CN112843961B - Double-layer forming machine waste gas centralized treatment and waste heat recycling system - Google Patents
Double-layer forming machine waste gas centralized treatment and waste heat recycling system Download PDFInfo
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- CN112843961B CN112843961B CN202011630900.6A CN202011630900A CN112843961B CN 112843961 B CN112843961 B CN 112843961B CN 202011630900 A CN202011630900 A CN 202011630900A CN 112843961 B CN112843961 B CN 112843961B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
- F28D7/085—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions
- F28D7/087—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions assembled in arrays, each array being arranged in the same plane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7022—Aliphatic hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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Abstract
The invention relates to a waste gas centralized treatment and waste heat recycling system of a double-layer setting machine, wherein the side edge of an inner air duct of a layer is connected with an outer air duct; the outer air duct is connected with the inner air duct of the second layer; the top of the air duct in the second layer is connected with an air exhaust pipeline; the air exhaust pipeline is installed with the filtering device; the filtering device, the waste heat recovery device and the heat recycling device are sequentially connected, so that cold air is heated by the waste heat recovery device and then enters the heat recycling device, and hot air enters the cloth inlet end and the cloth outlet end of the oven again; the waste heat recovery device is connected to the spray washing tower through the waste gas main pipe, the spray washing tower is connected to the electrostatic dust removal tower, so that waste gas enters the waste gas main pipe through the waste heat recovery device and is treated through the spray washing tower and the electrostatic dust removal tower. The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine solves the problem of waste gas emission of a plurality of double-layer setting machines, realizes heat recycling, and achieves the purpose of saving energy consumption.
Description
[ technical field ] A
The invention relates to a waste gas treatment and waste heat recycling system, in particular to a waste gas centralized treatment and waste heat recycling system capable of rapidly detecting fluid viscosity of a double-layer setting machine, and belongs to the technical field of printing and dyeing equipment.
[ background of the invention ]
With the rapid development of national economy, the national requirements on energy conservation and emission reduction of the printing and dyeing industry are further improved. The heat setting is a key link for improving the added value in the printing and dyeing process, the energy consumption in the heat setting process accounts for more than 1/2 of the total energy consumption in the whole printing and dyeing production process, and the effective heat energy is only about 30% of the total energy when the fabric is processed and set. The double-layer setting machine reported by the prior patents, such as 'a double-layer setting machine' and 'a circulating air chamber for the double-layer setting machine' has good energy-saving effect, and how to further optimize energy conservation on the basis has important significance.
A large amount of heat is taken away by waste gas discharged by the printing and dyeing heat setting machine, and how to purify the waste gas and realize heat recovery is an important direction for realizing heat setting energy conservation. Compare with traditional individual layer design, the exhaust emission of double-deck forming machine will redesign, and lower floor's waste gas if not passing through the exhaust duct guide, directly lets waste gas through upper oven, can cause the pollution to upper oven fabric, and can't construct the exhaust duct in the oven inside, because oven inner structure is comparatively complicated, constructs inside exhaust duct and can make the clearance of daily hand power filter screen, the maintenance of nozzle very inconvenient. In addition, from the energy-saving perspective, the waste gas heat of the double-layer setting machine should be recycled as much as possible, the cloth inlet end and the cloth outlet end of the setting machine are the parts with the most serious heat loss of the machine body, and the oil dripping condition often occurs due to the intersection of cold air and hot air at the outlet inlet, so that the fabric is polluted. The heat in the exhaust gas is considered to be collected to solve the problem that the fabric is polluted by the oil dripping. The waste gas treatment system of the double-layer setting machine is an important link for developing the double-layer setting machine, and has great significance for the successful research and development of the energy-saving double-layer setting machine and the energy conservation of the printing and dyeing industry. The waste gas treatment system can safely solve the problem of waste gas emission of a plurality of double-layer setting machines in a dyeing and finishing workshop, can also repeatedly utilize heat energy in waste gas, and saves energy consumption.
Therefore, in order to solve the above problems, it is necessary to provide an innovative system for centralized treatment of waste gas and recycling of waste heat of a double-layer setting machine, so as to overcome the above drawbacks in the prior art.
[ summary of the invention ]
In order to solve the problems, the invention aims to provide a waste gas centralized treatment and waste heat recycling system for a double-layer setting machine, which not only safely solves the problem of waste gas emission in the running process of a plurality of double-layer setting machines in a dyeing and finishing workshop, ensures the process and quality of heat setting, but also can collect heat in waste gas, convey the heat to the cloth inlet end and the cloth outlet end of the setting machine, recycle heat energy, save energy consumption, and avoid oil dripping and fabric pollution.
In order to achieve the purpose, the invention adopts the technical scheme that: a double-layer forming machine waste gas centralized treatment and waste heat recycling system is arranged on a forming machine drying oven and comprises a layer of inner air duct, an outer air duct, a layer of inner air duct, an air extraction pipeline, a filtering device, a waste heat recovery device, a heat recycling device, a waste gas main pipe, a spray washing tower and an electrostatic dust removal tower; wherein, the side edge of the inner air duct of the layer is connected with the outer air duct; the outer air duct is connected with the inner air duct of the second layer; the top of the two-layer internal air duct is connected with an air exhaust pipeline; the air exhaust pipeline is installed with the filtering device; the filtering device, the waste heat recovery device and the heat recycling device are sequentially connected, so that cold air is heated by the waste heat recovery device and then enters the heat recycling device, and hot air enters the cloth inlet end and the cloth outlet end of the oven again; the waste heat recovery device is connected to the spray washing tower through the waste gas main pipe, the spray washing tower is connected to the electrostatic dust removal tower, so that waste gas enters the waste gas main pipe through the waste heat recovery device and is treated through the spray washing tower and the electrostatic dust removal tower.
The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine is further provided with the following components: the one-layer internal air duct is arranged in the lower-layer oven and is distributed in a bilateral symmetry manner, each section is provided with 4 air suction openings I, a rectangular air outlet I is arranged on the side edge of each section, and the air outlet I is communicated with the external air duct; the two-layer internal air duct is arranged in the upper-layer drying oven and is distributed in a bilateral symmetry manner, each section of drying oven is provided with 4 air suction ports II, a rectangular air outlet II is arranged on the side edge of each section of drying oven, and the air outlet II is communicated with the external air duct; and the top of the air duct in the two layers of the inner part is provided with a waste gas outlet which is connected with an air extraction pipeline.
The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine is further provided with the following components: the outer air duct comprises an interface, an elbow, a middle channel, an adjusting device, a fire-fighting system temperature probe and a fire-fighting spray head; the elbows are connected to the two ends of the middle channel; the interfaces are respectively arranged at the end parts of the elbows; the adjusting device is arranged on the middle channel; the fire-fighting system temperature probe and the fire-fighting nozzle are respectively arranged on the elbow.
The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine is further provided with the following components: the adjusting device comprises an adjusting handle, a pointer, a dial gauge, a fixed connecting plate, an adjusting main shaft and adjusting blades; the fixed connecting plate is arranged on the middle channel; the adjusting main shaft is pivoted on the fixed connecting plate; the adjusting handle and the pointer are respectively arranged at one end of the adjusting main shaft, and the adjusting main shaft is rotated through the adjusting handle; the scale is arranged on the middle channel and corresponds to the pointer; the adjusting blade is arranged on the adjusting main shaft and is accommodated in the middle channel.
The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine is further provided with the following components: the exhaust pipeline comprises an air outlet bent pipe, an air outlet three-way pipe, a fan reducer pipe, an exhaust gas collecting pipe and an exhaust gas collecting three-way pipe which are sequentially connected, and the exhaust gas collecting three-way pipe is connected to the filtering device.
The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine is further provided with the following components: the filtering device comprises a reducer pipe, a filtering shell and a filter screen; one end of the reducer pipe is provided with an installation flange, and the other end of the reducer pipe is connected to the shell; the top of the shell is provided with a filter screen groove; the filter screen is inserted into the shell through the filter screen groove.
The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine is further provided with the following components: the waste heat recovery device comprises a shell, an air inlet support, a plurality of air inlet main pipes and air inlet side pipes; the air inlet brackets are arranged at two ends of the shell and are provided with exhaust gas ports; the main air inlet pipe and the side air inlet pipe are accommodated in the shell and are communicated with the exhaust gas port; a cold air inlet is formed in the top cover of the shell, and a heating air outlet is formed in the bottom of the shell.
The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine is further provided with the following components: the heat recycling device comprises an air inlet bent pipe, a circulating fan, a circulating straight pipe, a flange, a circulating three-way pipe and a circulating reducer pipe which are connected in sequence; the circulating fan is provided with a motor; the circulation reducer pipe is connected with a first-layer uniform nozzle and a second-layer uniform nozzle.
The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine is further provided with the following components: the first layer of uniform nozzles are arranged at the end part of the lower layer of drying oven; the two layers of uniform nozzles are arranged at the end part of the upper layer drying oven; and a plurality of nozzle openings are formed in the first layer of uniform nozzle and the second layer of uniform nozzle.
The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine is also provided with the following components: the waste gas main pipe comprises a plurality of waste gas branch pipes, a waste gas main pipe three-way pipe, a waste gas reducer pipe and a waste gas outlet; the waste gas branch pipes are respectively connected to a waste gas main pipe three-way pipe; the waste gas main pipe three-way pipe, the waste gas reducer pipe, the waste gas outlet and the spray washing tower are connected in sequence.
Compared with the prior art, the invention has the following beneficial effects: the waste gas centralized treatment and waste heat recycling system for the double-layer setting machine realizes the unified treatment and centralized discharge of the waste gas of a plurality of double-layer setting machines in a dyeing and finishing workshop, collects the waste gas through the inner air duct and the outer air duct of the first layer and the second layer, filters and purifies the waste gas, and removes lint; the heat is transmitted to the cloth feeding end and the cloth discharging end of the setting machine through a waste heat recovery device; the waste gas is sprayed, washed and electrostatically dedusted to reach the standard and then is discharged into the atmosphere; the exhaust purification treatment of the waste gas of a plurality of double-layer setting machines is solved, the heat of the waste gas is recycled, and the purpose of saving energy consumption is achieved.
[ description of the drawings ]
Fig. 1 is a using state diagram of the waste gas centralized treatment and waste heat recycling system of the double-layer setting machine.
Fig. 2 is a partial perspective view of fig. 1.
Fig. 3 is a schematic view of the structure of one layer of the internal air duct in fig. 1.
Fig. 4 is a schematic structural view of the outer duct of fig. 1.
Fig. 5 is a schematic structural diagram of the interface in fig. 4.
Figure 6 is a schematic view of the elbow of figure 4.
Fig. 7 is a schematic view of the structure of the adjusting device in fig. 4.
Fig. 8 is a schematic structural view of the two-layer inner duct in fig. 1.
Fig. 9 is a schematic view of the structure of the suction line of fig. 1.
Fig. 10 is a schematic view of the structure of the filter device of fig. 1.
Fig. 11 is a schematic structural diagram of the waste heat recovery device in fig. 1.
Fig. 12 is a schematic view of the internal structure of fig. 11.
Fig. 13 is a schematic view of the heat recycling device of fig. 1.
Fig. 14 is a schematic view of the structure of the nozzle of fig. 13.
Fig. 15 is a schematic view of the structure of the exhaust manifold of fig. 1.
[ detailed description ] A
Referring to the attached drawings 1 to 15 in the specification, the present invention is a waste gas centralized treatment and waste heat recycling system for a double-layer setting machine, which is installed on an oven 100 of the setting machine, wherein the oven 100 is arranged in an upper layer and a lower layer. The waste gas centralized treatment and waste heat recycling system comprises a layer of inner air duct 1, an outer air duct 2, a layer of inner air duct 3, an air pumping pipeline 4, a filtering device 5, a waste heat recovery device 6, a heat recycling device 7, a waste gas main pipe 8, a spray washing tower 9, an electrostatic dust removal tower 10 and the like.
The inner air duct 1 of the layer is used for extracting waste gas generated by heat setting in the lower layer drying oven 100, and the side edge of the inner air duct 1 is connected with the outer air duct 2. Specifically, the one-layer internal air duct 1 is arranged in the lower-layer oven 100 and is distributed in bilateral symmetry, each section is provided with 4 air suction ports I101 used for collecting waste gas in the oven, a rectangular air outlet I102 is arranged on the side edge of each section, and the air outlet I102 provides an outlet for the waste gas and is communicated with the external air duct 2.
One end of the outer air duct 2 is connected with the inner air duct 1 of the first layer, and the other end is connected with the inner air duct 3 of the second layer. The outer air duct 2 is composed of a port 201, an elbow 202, a middle channel 203, a regulating device 204, a fire-fighting system temperature probe 205, a fire-fighting sprinkler 206 and the like. The elbow 202 is connected to two ends of the middle channel 201; the connectors 201 are respectively installed at the end portions of the elbows 202, and one end of each connector is provided with a filter screen 2011 for primarily filtering lint in the waste gas. The elbow 202 is internally provided with a guide plate 2021 which can avoid the generation of vortex and secondary flow at a right angle, so that the waste gas transmission is smoother and the noise is reduced.
The regulating device 204 is mounted on the intermediate channel 203. The fire-fighting system temperature probe 205 and the fire-fighting sprinkler 206 are respectively installed on the elbow 202, and the temperature probe 205 is mainly used for detecting the temperature in the outer air duct 2 and feeding back the fire-fighting sprinkler 206 to extinguish a fire if a fire breaks out.
Furthermore, adjusting device 204 can adjust the 2 apertures in outer wind channel according to operating condition, avoids too much heat to discharge along with waste gas, and it comprises several parts such as adjustment handle 2041, pointer 2042, graduation apparatus 2043, fixed connection board 2044, regulation main shaft 2045 and regulation blade 2046. The fixed connecting plate 2044 is installed on the middle channel 203; the adjusting spindle 2045 is pivotally connected to the fixing connecting plate 2044. The adjusting handle 2041 and the pointer 2042 are respectively installed at one end of the adjusting main shaft 2045, and the adjusting main shaft 2045 is rotated by the adjusting handle 2041. The scale 2043 is installed on the middle channel 203, corresponds to the pointer 2042, and is used for indicating the size of the adjustment opening. The adjusting blade 2046 is mounted on an adjusting main shaft 2045, which is accommodated in the intermediate channel 203.
The two-layer inner air duct 3 is used for extracting waste gas generated by hot setting in the upper-layer oven 100 and transmitting a layer of waste gas out, and the top of the two-layer inner air duct is connected with the air extraction pipeline 4. Specifically, the two-layer inner air duct 3 is arranged in the upper-layer oven 100 and is distributed in bilateral symmetry, and each section of oven is provided with 4 air suction ports II301 for collecting waste gas in each oven. A rectangular air outlet II302 is arranged on the side edge of the air duct 3 in the two layers of the inner part, and the air outlet II302 is communicated with the outer air duct 2; the top of the two-layer inner air duct 3 is provided with an exhaust gas outlet 303 for conveying exhaust gas, and the exhaust gas outlet 303 is connected with the air pumping pipeline 4.
The air extraction pipeline 4 is installed with a filtering device 5, and comprises an air outlet elbow 401, an air outlet three-way pipe 402, a fan 403, a fan reducer pipe 404, an exhaust gas collecting pipe 405 and an exhaust gas collecting three-way pipe 406 which are connected in sequence. The exhaust gas collecting tee 406 is connected to the filter device 5. The main function of the air exhaust pipeline 4 is to exhaust and collect the whole double-layer setting machine waste gas by the fan 403, and prepare for purification treatment.
The filtering device 5, the waste heat recovery device 6 and the heat recycling device 7 are sequentially connected, so that cold air is heated by the waste heat recovery device 6 and then enters the heat recycling device 7, and hot air enters the cloth inlet end and the cloth outlet end of the oven 100 again.
The filtering device 5 includes a reducer pipe 502, a filtering casing 504 and a filter screen 503. The reducer pipe 502 has a mounting flange 501 mounted at one end thereof and is connected to the filter housing 504 at the other end thereof. A filter screen groove 505 is arranged at the top of the filter shell 504; the filter screen 503 is inserted into the filter housing 504 through the filter screen groove 505, and the filter screen groove 505 filters the remaining lint in the exhaust gas, so as to avoid the fire hazard, and the filter screen 503 is conveniently drawn out and cleaned by the filter screen groove 505.
The waste heat recovery device 6 heats cold air by using waste heat of waste gas and conveys hot air to the cloth feeding end and the cloth discharging end, so that heat energy is recycled, and meanwhile, the loss of heat in the oven is reduced. The intake frame 601 is mounted at two ends of the housing 605, and an exhaust gas port 6011 is opened thereon. The main intake pipe 602 and the side intake pipe 603 are housed in a casing 605, and communicate with an exhaust gas port 6011, so that exhaust gas having heat can enter the main intake pipe 602 and the side intake pipe 603. In the present embodiment, the main intake pipe 602 and the side intake pipe 603 are arranged in a staggered manner in the casing 605 in order to maximize the heating area and maximize the heating of the cold air in the apparatus. A cold air inlet 6041 is arranged on the top cover 604 of the shell 605, and a heating air outlet (not shown) is arranged at the bottom of the shell 605; cold air enters through a cold air inlet 6041, exchanges heat with the air inlet main pipe 602 and the air inlet side pipe 603, is discharged through the heating air outlet, and the heating distance of the cold air in the device is increased as much as possible.
The heat recycling device 7 conveys heat to the cloth inlet end and the cloth outlet end of the oven 100, and is composed of an air inlet bent pipe 701, a circulating fan 702, a circulating straight pipe 704, a flange 705, a circulating three-way pipe 706 and a circulating reducer pipe 707 which are connected in sequence. The circulating fan 702 is provided with a motor 703 for driving the circulating fan 702 to suck air and conveying the heated hot air through a circulating straight pipe 704, a circulating three-way pipe 706 and a circulating reducer pipe 707 and finally to a two-layer nozzle 708 and a one-layer nozzle 709. The circulation reducer pipe 707 is connected with a first layer of uniform nozzles 708 and a second layer of uniform nozzles 709. The one-layer uniform nozzle 708 is arranged at the end part of the lower-layer oven 100; the second-layer uniform nozzle 709 is arranged at the end part of the upper-layer drying oven; the first-layer uniform nozzle 708 and the second-layer uniform nozzle 709 are both provided with a plurality of nozzle openings 7081, and the nozzle openings 7081 supply heat energy to the cloth inlet end and the cloth outlet end of the oven 100, so that the oil dripping problem caused by cold air is reduced, and the fabric is prevented from being polluted.
Further, the waste heat recovery device 6 is connected to the spray washing tower 9 through the waste gas main pipe 8, the spray washing tower 9 is connected to the electrostatic dust removal tower 10, so that waste gas enters the waste gas main pipe 8 from the waste heat recovery device 6 and is treated through the spray washing tower 9 and the electrostatic dust removal tower 10. The spray washing tower 9 can achieve the effect of stably removing oil fume particles for a long time, can stably remove organic steam and granular pollutants in waste gas, and simultaneously reduces the temperature of the waste gas; the electrostatic dust removal tower 10 enables waste gas to pass through an electrostatic field, particulate matters are charged and move to a dust collecting electrode to be captured, and organic steam and granular pollutants in the waste gas are greatly cleaned through the whole double-layer forming machine waste gas treatment system.
In the present embodiment, the exhaust manifold 8 is composed of a plurality of exhaust branch pipes 801, an exhaust manifold three-way pipe 805, an exhaust reducer pipe 806, an exhaust outlet 807, and the like. The waste gas branch pipes 801 are respectively connected to a waste gas main pipe three-way pipe 805; the waste gas main pipe three-way pipe 805, the waste gas reducer pipe 806 and the waste gas outlet 807 are sequentially connected so as to transmit the collected waste gas of each setting machine to the spray washing tower 9.
The working principle of the waste gas centralized treatment and waste heat recycling system of the double-layer setting machine is as follows: through outside wind channel 2 with the inside wind channel 1 of one deck be connected with two layers of internal wind channels 3, utilize exhaust tube 4 to assemble whole forming machine waste gas and filter in 5, get into exhaust manifold 8 through waste heat recovery device 6 again, heat recycling device 7 is collected waste heat in with waste gas, through the even cloth feeding end and the cloth outlet end of distributing to double-deck forming machine oven 100 of nozzle mouth 7081, realize the reuse of energy, energy saving consumed the festival. The waste gas is filtered, sprayed and washed by the spray washing tower 9, and subjected to electrostatic dust removal by the electrostatic dust removal tower 10, so that most of harmful substances such as smoke dust, polyphenyl organic matters, printing and dyeing auxiliaries, oil and the like are removed, and finally the harmful substances are discharged into the atmosphere.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (8)
1. The utility model provides a double-deck forming machine waste gas centralized processing and waste heat recycling system, its installs on the forming machine oven, its characterized in that: the device comprises a first-layer internal air duct, an external air duct, a second-layer internal air duct, an air extraction pipeline, a filtering device, a waste heat recovery device, a heat recycling device, a waste gas main pipe, a spray washing tower and an electrostatic dust removal tower; wherein, the side edge of the inner air duct of the layer is connected with the outer air duct; the outer air duct is connected with the inner air duct of the second layer; the top of the air duct in the two layers of the inner part is connected with an air exhaust pipeline; the air exhaust pipeline is installed with the filtering device; the filtering device, the waste heat recovery device and the heat recycling device are sequentially connected, so that cold air is heated by the waste heat recovery device and then enters the heat recycling device, and hot air enters the cloth inlet end and the cloth outlet end of the oven again; the waste heat recovery device is connected to the spray washing tower through the waste gas main pipe, the spray washing tower is connected to the electrostatic dust removal tower, so that waste gas enters the waste gas main pipe from the waste heat recovery device and is treated by the spray washing tower and the electrostatic dust removal tower;
the one-layer internal air duct is arranged in the lower-layer oven and is distributed in a bilateral symmetry manner, each section is provided with 4 air suction openings I, a rectangular air outlet I is arranged on the side edge of each section, and the air outlet I is communicated with the external air duct; the two-layer internal air duct is arranged in the upper-layer drying oven and is distributed in a bilateral symmetry manner, each section of drying oven is provided with 4 air suction ports II, a rectangular air outlet II is arranged on the side edge of each section of drying oven, and the air outlet II is communicated with the external air duct; the top of the air duct in the two layers of the inner part is provided with a waste gas outlet which is connected with an air extraction pipeline;
the outer air duct comprises an interface, an elbow, a middle channel, an adjusting device, a fire-fighting system temperature probe and a fire-fighting spray head; the elbows are connected to the two ends of the middle channel; the interfaces are respectively arranged at the end parts of the elbows; the adjusting device is arranged on the middle channel; the fire-fighting system temperature probe and the fire-fighting nozzle are respectively arranged on the elbow.
2. The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine as claimed in claim 1, characterized in that: the adjusting device comprises an adjusting handle, a pointer, a dial gauge, a fixed connecting plate, an adjusting main shaft and adjusting blades; the fixed connecting plate is arranged on the middle channel; the adjusting main shaft is pivoted on the fixed connecting plate; the adjusting handle and the pointer are respectively arranged at one end of the adjusting main shaft, and the adjusting main shaft is rotated through the adjusting handle; the scale is arranged on the middle channel and corresponds to the pointer; the adjusting blade is arranged on the adjusting main shaft and is accommodated in the middle channel.
3. The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine as claimed in claim 1, characterized in that: the exhaust pipeline comprises an air outlet bent pipe, an air outlet three-way pipe, a fan reducing pipe, an exhaust gas collecting pipe and an exhaust gas collecting three-way pipe which are connected in sequence, and the exhaust gas collecting three-way pipe is connected to the filtering device.
4. The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine as claimed in claim 1, characterized in that: the filtering device comprises a reducer pipe, a filtering shell and a filter screen; one end of the reducer pipe is provided with an installation flange, and the other end of the reducer pipe is connected to the shell; a filter screen groove is formed in the top of the shell; the filter screen is inserted into the shell through the filter screen groove.
5. The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine as claimed in claim 1, characterized in that: the waste heat recovery device comprises a shell, an air inlet support, a plurality of air inlet main pipes and air inlet side pipes; the air inlet supports are arranged at two ends of the shell and are provided with exhaust gas ports; the main air inlet pipe and the side air inlet pipe are accommodated in the shell and are communicated with the exhaust gas port; a cold air inlet is formed in the top cover of the shell, and a heating air outlet is formed in the bottom of the shell.
6. The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine as claimed in claim 1, characterized in that: the heat recycling device comprises an air inlet bent pipe, a circulating fan, a circulating straight pipe, a flange, a circulating three-way pipe and a circulating reducer pipe which are connected in sequence; the circulating fan is provided with a motor; the circulation reducer pipe is connected with a first-layer uniform nozzle and a second-layer uniform nozzle.
7. The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine according to claim 6, characterized in that: the first layer of uniform nozzles are arranged at the end part of the lower layer of drying oven; the two layers of uniform nozzles are arranged at the end part of the upper layer drying oven; and a plurality of nozzle openings are formed in the first layer of uniform nozzle and the second layer of uniform nozzle.
8. The waste gas centralized treatment and waste heat recycling system of the double-layer setting machine according to claim 1, characterized in that: the waste gas main pipe comprises a plurality of waste gas branch pipes, a waste gas main pipe three-way pipe, a waste gas reducer pipe and a waste gas outlet; the waste gas branch pipes are respectively connected to a waste gas main pipe three-way pipe; the waste gas main pipe three-way pipe, the waste gas reducer pipe, the waste gas outlet and the spray washing tower are connected in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113584788B (en) * | 2021-07-05 | 2023-05-09 | 浙江理工大学 | Vertical heat setting system of double-deck forming machine |
| CN116219670B (en) * | 2023-02-01 | 2024-05-10 | 浙江立成印染机械科技有限公司 | Efficient energy-saving tentering setting machine with waste gas and waste heat recycling function and use method thereof |
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