CN106017143A - System for purifying and recycling waste heat of dryer - Google Patents
System for purifying and recycling waste heat of dryer Download PDFInfo
- Publication number
- CN106017143A CN106017143A CN201610527525.XA CN201610527525A CN106017143A CN 106017143 A CN106017143 A CN 106017143A CN 201610527525 A CN201610527525 A CN 201610527525A CN 106017143 A CN106017143 A CN 106017143A
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- outlet
- waste gas
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- boundling
- header
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Classifications
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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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Drying Of Gases (AREA)
Abstract
The invention belongs to a system for purifying and recycling waste heat of a dryer. The system for purifying and recycling the waste heat of the dryer comprises a waste gas purifier (1), an induced draught fan (5) and an air blower (6) and is characterized in that the portion between the waste gas purifier (1) and the induced draught fan (5) is connected and provided with a beam concentration header type radial phase change heat exchange device (2) through a pipeline; a cold air inlet (2-12) of the beam concentration header type radial phase change heat exchange device (2) communicates with an outlet of the air blower (6); a low-temperature waste gas outlet (2-11) of the beam concentration header type radial phase change heat exchange device (2) communicates with an outlet of the induced draught fan (5) through a pipeline; and an inlet of the induced draught fan (5) communicates with a draught fan connector (3-6) installed in the lower left portion of a tank body (3-1) of a water film purifying device (3) through a pipeline. According to the system for purifying and recycling the waste heat of the dryer, high-temperature gas of lots of water vapor generated during work of the dryer is fully utilized, energy resources are saved, air is purified, and environment protection is facilitated.
Description
Technical field
The invention belongs to residual heat reutilizing system, particularly to oneDehydrator waste gas purification residual heat reutilizing system。
Background technology
The industries such as existing domestic petrochemical industry, weaving utilize dehydrator equipment to be dried the enterprise of material (chemical fibre, ramie cotton fabric class) by the way of indirect heat exchange (steam, electrical heating, conduction oil) produces hot-air, idle discharge is all directly put by the high-temp waste gas containing a small amount of organic oil, organic additive, fiber-like particulate matter and a large amount of water vapour, certain power-saving technology is not applied to utilize heat energy contained in waste gas, both substantial amounts of thermal loss had been caused, its loss amount accounts for more than the 50% of heat energy total amount, and pollutes air.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem, it is provided that a kind of make full use of in waste gas contained heat energy, save the energy, have and utilize environmental conservationDehydrator waste gas purification residual heat reutilizing system。
ThisInventionSolve technical problem and the technical scheme is that oneDehydrator waste gas purification residual heat reutilizing systemIncluding catalytic converter, air-introduced machine and aerator, it is characterized in that connecting equipped with boundling header type radially phase change heat exchange device, the inlet of cold air of boundling header type radially phase change heat exchange device and the outlet of aerator with pipeline between catalytic converter and air-introduced machine；The low temperature waste gas outlet of boundling header type radially phase change heat exchange device and the outlet pipeline connection of air-introduced machine；The fan interface connection that the entrance of air-introduced machine fills with the tank body lower left quarter of pipeline moisture film purifier；The right side of moisture film purifier is equipped with water-level gauge, and the bottom of tank body is equipped with supercharger interface；Supercharger pipeline is equipped with injection supercharger and water circulating pump；Line upper portion is also equipped with water pipe with the top of moisture film purifier, equipped with mending water control valve on water pipe；Setting peephole in the middle part of moisture film purifier, left side is equipped with greasy dirt vent valves, and bottom is equipped with putting dirty valve.
Described boundling header type radially phase change heat exchange device: include casing, in the left and right sides, intracavity top of casing equipped with inlet header and outlet header, with bottom, chamber equipped with multiple mixing headers between inlet header and outlet header；Equipped with radial heat pipe boundling between the mixing association of inlet header and outlet association and bottom, between the mixing association and the mixing association of bottom on top, it is respectively arranged with radial heat pipe boundling；Radial heat pipe boundling is provided with multiple working medium and fin；In the inner side of the right side of casing equipped with multiple steam blowing nozzles；Left upper portion at casing connects with inlet header equipped with low temperature waste gas outlet joint and inlet of cold air joint, inlet of cold air joint, and connects with aerator；Right upper portion connects with outlet association equipped with high-temp waste gas inlet union and hot air outlet joint, hot air outlet joint, and connects with dehydrator；Lower right side is equipped with a drain valve.
Described moisture film purifier: be included in the top, chamber of tank body equipped with multiple gyroscope type moisture film nozzles, tilt at the middle part in chamber equipped with oil separating plate, bottom in chamber contrary with oil separating plate incline direction equipped with drainage screen；Equipped with reinforcement depressor interface on the right side of lower box, reinforcement depressor interface connects with injection supercharger, and equipped with fan interface on the left of tank body lower part, fan interface 3-6 connects with the entrance of blower fan, equipped with evacuated tube on top cover.
ThisInventionProvide the benefit that: shouldInventionThe recycling of the high-temperature gas of a large amount of steam produced when taking full advantage of dehydrator work, saves the energy and has purified air, beneficially environmental protection.
Accompanying drawing explanation
Below in conjunction withAccompanying drawing, illustrate with embodiment.
Figure 1It isDehydrator waste gas purification residual heat reutilizing systemPrinciple signalFigure；
Figure 2It isFigure 1Middle boundling header type radially phase change heat exchange device structure master regardFigure；
Figure 3It isFigure 1In water membranes purifier apparatus structure master regardFigure。
In figure: 1-catalytic converter；2-boundling header type radially case conversion thermal；2-1-inlet header；2-2-mixes association；2-3-outlet header；2-4-radial heat pipe boundling；2-5-working medium；2-6-fin；2-7-steam blowing nozzle；2-8-drain valve；2-9-high-temperature gas inlet union；2-10-hot air outlet joint；2-11-low temperature waste gas outlet connection；2-12-inlet of cold air joint；2-13-casing；3-moisture film purifier；3-1-tank body；3-2-gyroscope type moisture film nozzle；3-3-evacuated tube；3-4-oil separating plate；3-5-drainage screen；3-6-fan interface；3-7-supercharger interface；4-sprays supercharger；5-air-introduced machine；6-aerator；7-water circulating pump；8-greasy dirt vent valves；9-moisture film controls valve；10-supplements water control valve；11-peephole；12-liquidometer；13-pipeline；14-puts dirty valve；15-water pipe.
Detailed description of the invention
Embodiment, referenceAccompanying drawing, a kind ofDehydrator waste gas purification residual heat reutilizing systemIncluding catalytic converter 1, air-introduced machine 5 and aerator 6, it is characterized in that connecting equipped with boundling header type radially phase change heat exchange device 2, the inlet of cold air 2-12 of boundling header type radially phase change heat exchange device 2 and the outlet of aerator 6 with pipeline between catalytic converter 1 and air-introduced machine 5；The low temperature waste gas outlet 2-11 of boundling header type radially phase change heat exchange device 2 and the outlet pipeline connection of air-introduced machine 5；The fan interface 3-6 connection that the entrance of air-introduced machine 5 fills with the tank body 3-1 lower left quarter of pipeline moisture film purifier 3；The right side of moisture film purifier 3 is equipped with water-level gauge 12, and the bottom of tank body 3-1 is equipped with supercharger interface 3-7；Supercharger 3-7 with pipeline 13 equipped with injection supercharger 4 and water circulating pump 7；Pipeline 13 top is also equipped with water pipe 15 with the top of moisture film purifier 3, equipped with mending water control valve 10 on water pipe 15；Setting peephole 11 in the middle part of moisture film purifier 3, left side is equipped with greasy dirt vent valves 8, and bottom is equipped with putting dirty valve 14.
Boundling header type radially phase change heat exchange device 2: include casing 2-13, in the left and right sides, intracavity top of casing 2-13 equipped with inlet header 2-1 and outlet header 2-3, with bottom, chamber equipped with five mixing header 2-2 between inlet header 2-1 and outlet header 2-3；Equipped with radial heat pipe boundling 2-4 between the mixing association 2-2 of inlet header 2-1 and outlet association 2-3 and bottom, between mixing association 2-2 and the mixing association 2-2 of bottom on top, it is respectively arranged with radial heat pipe boundling 2-4；Radial heat pipe boundling 2-4 is provided with multiple working medium 2-5 and fin 2-6；In the inner side of the right side of casing 2-13 equipped with eight steam blowing nozzle 2-7；Left upper portion at casing 2-13 connects with inlet header 2-1 equipped with low temperature waste gas outlet joint 2-11 and inlet of cold air joint 2-12, inlet of cold air joint 2-12, and connects with aerator 6；Right upper portion connects with outlet association 2-3 equipped with high-temp waste gas inlet union 2-9 and hot air outlet joint 2-10, hot air outlet joint 2-10, and connects with dehydrator；Lower right side is equipped with a drain valve 2-8.
Moisture film purifier 3: be included in the top, chamber of tank body 3-1 equipped with four gyroscope type moisture film nozzle 3-2, tilt at the middle part in chamber equipped with oil separating plate 3-4, bottom in chamber contrary with oil separating plate 3-4 incline direction equipped with drainage screen 3-5；Equipped with reinforcement depressor interface 3-7 on the right side of casing 3-1 bottom, reinforcement depressor interface 3-7 connects with injection supercharger 4, and tank body 3-1 lower left side is equipped with fan interface 3-6, and fan interface 3-6 connects with the entrance of blower fan 5, equipped with evacuated tube 3-3 on top cover.
Catalytic converter 1 connects with high-temp waste gas.
The working principle of design of this invention is: the high-temp waste gas containing a large amount of water vapour that dehydrator produces first passes through discharge tube and enters catalytic converter 1, catalytic converter 1 uses the design of the drawer type conveniently dismantled, clean and change, the fiber-like granule contained in cleaning high-temp waste gas and dust, it is ensured that the waste gas entering boundling header type radially phase change heat exchange device 2 has the highest cleannes.
High-temp waste gas enters the outer tube passage of boundling header type radially phase change heat exchange device 2, high-temp waste gas condenses in the channel and discharges substantial amounts of heat energy and absorbed by outer tube and be delivered to inner tube, heating is transported through inner pipe passway by the cold air of inner pipe passway by aerator 6, the aqueous water that the water vapour contained in high-temp waste gas separates out after release heat energy is by flow-guiding mouth automatic-discharging to trench, and remaining low temperature waste gas is sent into moisture film purifier 3 by air-introduced machine 5.
Moisture film purifier 3 is entered containing a small amount of organic low temperature waste gas, moisture film purifier 3 is internal is configured with gyroscope type moisture film nozzle 3-2, oil separating plate 3-4, drainage screen 3-5 and greasy dirt observation greasy dirt vent valves 8, makes organic pollution can be fully absorbed by oil separating plate 3-4, drainage screen 3-5 water conservancy diversion are emitted into trench to bottom by putting dirt valve 14；Organic oil pollutant can find in time and be emitted into trench, it is ensured that air is not polluted by waste gas empty for comb 3-3, and simultaneity factor is also without hidden danger inflammable, explosive, it is ensured that production safety is run.
According to the organic impurities content situation in waste gas, valve 9 can be controlled by regulation moisture film, select to use single-stage or the multistage method of operation；Owing to low temperature waste gas emptying also can evaporate the water yield of a part, therefore it is provided with supplementary water lines 15 and supplementary water control valve 10 to ensure that the water level in moisture film purifier 3 remains on designated water level line, it is ensured that the safe operation of system.
Low temperature waste gas owing to producing after boundling header type radially phase change heat exchange device 3 also contains certain heat energy, waste gas utilizes recirculated water can improve the temperature of recirculated water during carrying out Impurity Absorption in moisture film purifier 3, when water temperature is more than 75 DEG C, water circulating pump 7 will produce cavitation phenomenons in running, water pump is caused to be not normally functioning, it is therefore necessary to supporting injection supercharger 4 ensures that water circulating pump 7 does not produce cavitation phenomenons.
Injection supercharger 4 is that the injection supercharging principle utilizing Laval nozzle enters the inlet pressure of water pump to improve high-temperature water, the high-temperature water making conveying enters Pump Suction entrance under pressure, avoid the negative pressure that produces due to the suction of water pump to reduce the vapourizing temperature of high-temperature water, solve water pump vane and cause damage problem when carrying high-temperature water due to cavitation；I.e. when common water pump is when pumping more than 75 DEG C hot water, it is necessary to adding certain pressure head at pump intake, the high-temperature water that guarantee pump is carried under suction pressure is lost does not vaporizes generation indirect steam, i.e. pump and do not produces cavitation.According to different water temperature conditions, design different injection pressure ratios, reached the purpose of water pump safe operation.
Claims (3)
1. a dehydrator waste gas purification residual heat reutilizing system, including catalytic converter (1), air-introduced machine (5) and aerator (6), it is characterized in that connecting equipped with boundling header type radially phase change heat exchange device (2), the inlet of cold air (2-12) of boundling header type radially phase change heat exchange device (2) and the outlet of aerator (6) with pipeline between catalytic converter (1) and air-introduced machine (5)；Low temperature waste gas outlet (2-11) of boundling header type radially phase change heat exchange device (2) and the outlet pipeline connection of air-introduced machine (5)；Fan interface (3-6) connection that the entrance of air-introduced machine (5) fills with tank body (3-1) lower left quarter of pipeline moisture film purifier (3)；The right side of moisture film purifier (3) is equipped with water-level gauge (12), and the bottom of tank body (3-1) is equipped with supercharger interface (3-7)；Supercharger (3-7) uses pipeline (13) equipped with injection supercharger (4) and water circulating pump (7)；Pipeline (13) top is also equipped with water pipe (15) with the top of moisture film purifier (3), equipped with mending water control valve (10) on water pipe (15)；Setting peephole (11) at moisture film purifier (3) middle part, left side is equipped with greasy dirt vent valves (8), and bottom is equipped with putting dirty valve (14).
Dehydrator waste gas purification residual heat reutilizing system the most according to claim 1；It is characterized in that boundling header type radially phase change heat exchange device (2): include casing (2-13), in the left and right sides, intracavity top of casing (2-13) equipped with inlet header (2-1) and outlet header (2-3), with bottom, chamber equipped with multiple mixing headers (2-2) between inlet header (2-1) and outlet header (2-3)；Equipped with radial heat pipe boundling (2-4) between mixing association (2-2) in inlet header (2-1) and outlet association (2-3) and bottom, between mixing association (2-2) and mixing association (2-2) of bottom on top, it is respectively arranged with radial heat pipe boundling (2-4)；Radial heat pipe boundling (2-4) is provided with multiple working medium (2-5) and fin (2-6)；In the inner side of casing (2-13) right side equipped with multiple steam blowing nozzles (2-7)；In the left upper portion of casing (2-13) equipped with low temperature waste gas outlet joint (2-11) and inlet of cold air joint (2-12), inlet of cold air joint 2-12) with inlet header 2-1) connect, and with aerator 6) connect；Right upper portion connects with outlet association (2-3) equipped with high-temp waste gas inlet union (2-9) and hot air outlet joint (2-10), hot air outlet joint (2-10), and connects with dehydrator；Lower right side is equipped with a drain valve (2-8).
Dehydrator waste gas purification residual heat reutilizing system the most according to claim 1；It is characterized in that moisture film purifier (3): be included in the top, chamber of tank body (3-1) equipped with multiple gyroscope types moisture film nozzle (3-2), tilt at the middle part in chamber equipped with oil separating plate (3-4), bottom and oil separating plate (3-) 4 incline directions in chamber contrary equipped with drainage screen (3-5)；Equipped with reinforcement depressor interface (3-7) on the right side of casing (3-1) bottom, reinforcement depressor interface (3-7) connects with injection supercharger (4), tank body (3-1) lower left side is equipped with fan interface (3-6), fan interface (3-6) connects with the entrance of blower fan (5), equipped with evacuated tube (3-3) on top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527525.XA CN106017143A (en) | 2016-07-07 | 2016-07-07 | System for purifying and recycling waste heat of dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527525.XA CN106017143A (en) | 2016-07-07 | 2016-07-07 | System for purifying and recycling waste heat of dryer |
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| CN106017143A true CN106017143A (en) | 2016-10-12 |
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| CN201610527525.XA Pending CN106017143A (en) | 2016-07-07 | 2016-07-07 | System for purifying and recycling waste heat of dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397204A (en) * | 2018-08-02 | 2020-07-10 | 巴红宇 | Waste heat recovery-based drying method for spinning |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397204A (en) * | 2018-08-02 | 2020-07-10 | 巴红宇 | Waste heat recovery-based drying method for spinning |
| CN111397204B (en) * | 2018-08-02 | 2021-05-07 | 绍兴不忘初心机械设计有限公司 | Waste heat recovery-based drying method for spinning |
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