CN202149718U - Waste-gas waste-heat recovery system with metering device - Google Patents
Waste-gas waste-heat recovery system with metering device Download PDFInfo
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- CN202149718U CN202149718U CN201120130734U CN201120130734U CN202149718U CN 202149718 U CN202149718 U CN 202149718U CN 201120130734 U CN201120130734 U CN 201120130734U CN 201120130734 U CN201120130734 U CN 201120130734U CN 202149718 U CN202149718 U CN 202149718U
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Abstract
A waste-gas waste-heat recovery system with a metering device comprises a box body and a heat pipe. A partition plate which separates a cavity of the box body into a waste gas sub-cavity and a fresh air sub-cavity is sleeved on the heat pipe. A high temperature waste gas inlet and a low temperature waste gas outlet are arranged in the waste gas sub-cavity, a low temperature fresh air inlet and a high temperature fresh air outlet are arranged in the fresh air sub-cavity, an evaporation section of the heat pipe is located in the waste gas sub-cavity, and a condensation section of the heat pipe is located in the fresh air sub-cavity. An inlet temperature sensor and a pitot tube are arranged at the position of the low temperature fresh air inlet, an outlet temperature sensor for obtaining the temperature of fresh air after heat exchange is arranged at the position of the high temperature fresh air outlet, and the temperature of the fresh air sensed by the inlet temperature sensor and the outlet temperature sensor and flow velocity of the fresh air measured by the pitot tube are both input in a processor which is connected with a display device. The waste-gas waste-heat recovery system with the metering device has the advantages of being capable of recovering waste heat in waste gas, enabling high temperature waste gas to be discharged after being converted into normal temperature waste gas or low temperature waste gas, saving energy, facilitating environment protection, and being capable of representing energy saving quantity visually.
Description
Technical field
The utility model relates to a kind of waste gas residual heat recovery system with metering device.
Technical background
In textile industry, heat setting machine is one of main power consumption machinery, because the operation principle of heat setting machine is that a kind of air that heated of using carries out the dry machine that makes it to finalize the design with arrangement to yarn fabric (like cloth).In general heat setting machine, needed hot blast temperature is about about 200 degree, and the waste gas of thermal finalization is discharged with blower fan again, and the temperature of discharging this moment generally reaches 160 degree even higher, contains abundant heat energy.
This shows; Contain a large amount of and enrich the waste gas of heat energy,, will cause the loss and the waste of heat energy if do not recycle; Be unfavorable for sustainable development; Production cost for company has also improved simultaneously, on market competition, can be in disadvantageous status, seriously can influence the long-run development of company.
In addition, do not handle the waste gas that the back is produced through forming machine, if directly discharge, the environment around will influencing especially for plant, flowers and trees or crops on every side or other crops, has a strong impact on; Contain simultaneously some cotton-wools or other combustibles in the waste gas,, can accumulate in outlet and on every side if through handling; This exists disaster hidden-trouble, if accidentally, and the words of initiation fire; Will cause very big loss to factory, even can't retrieve, inestimable.Though the device of some recovery waste heats is also arranged now, and these waste-heat recovery devices mostly are tube wall formula heat exchangers, employing be the partition heat exchange away from; Cold fluid and hot fluid flows through in the both sides of tube wall respectively; Its pipe fitting rapid wear, in case and pipe fitting leaks, will cause the loss that stops production; And the tube wall formula heat exchanger that has earlier is an indirect heat exchange, and heat exchanger effectiveness is low.
The utility model content
For direct eliminating of the high-temp waste gas that overcomes prior art causes the energy to waste in a large number; And influence surrounding environment, shortcoming that can't visual representation energy conservation amount, the utility model provides a kind of waste heat that can reclaim in the waste gas; High-temp waste gas is converted into behind normal temperature or the low temperature waste gas gets rid of again; Energy savings helps environmental protection, the waste gas residual heat recovery system of the band metering device of ability visual representation energy conservation amount.
The waste gas residual heat recovery system of band metering device; Comprise casing and the heat pipe of being located at box house; Be arranged with the dividing plate that cabinets cavity is divided into sub-chamber of waste gas and the new sub-chamber of air on the described heat pipe; The low temperature waste gas outlet that the sub-chamber of described waste gas is provided with the high-temp waste gas inlet and after heat exchange, forms, the new air outlet slit of high temperature that the sub-chamber of described new air is provided with the new air intake of low temperature and after heat exchange, forms; The evaporator section of described heat pipe is positioned at the sub-chamber of waste gas, condensation segment is positioned at the sub-chamber of new air;
The new air intake of described low temperature place is provided with and obtains the Pitot tube that new air gets into the inlet temperature sensor of the preceding temperature of system and measure new air the flow velocity when getting into system, and the new air outlet slit of described high temperature place is provided with the outlet temperature sensor that obtains the temperature of new air after heat exchange;
New air themperature that inlet, outlet temperature sensor are sensed and Pitot tube are measured the new air velocity that obtains and are all imported in the processor, and described processor is connected with display unit;
Described processor is carried out following steps:
1), obtains the inlet temperature T of new air
1With outlet temperature T
2, calculate temperature difference T=T
2-T
1, obtain the energy Q of new absorption of air, Q=C
p* Δ T * m;
Wherein: C
pBe the specific heat at constant pressure of new air, calculate by the actual mean temperature of importing and exporting;
M is the quality of air, and m=ρ * S * v * T, ρ are atmospheric density; S is the air channel area of new air intake; V is the flow velocity of new air in the porch,
Δ P by Pitot tube record, K is the calibration factor of Pitot tube; T is the mean temperature of new air in the porch;
2), the energy Q with new absorption of air converts the pairing coal kilogram of standard coal calorific value value M into:
Wherein: K
BmCalorific value for standard coal;
3), storing step 2) in corresponding coal kilogram value, and with coal kilogram value input display module.
Further, be provided with the multilayer heat pipe in the described casing, every layer has many heat pipes; Be sheathed on the secondary dividing plate with one deck heat pipe.
Further, each secondary dividing plate is formed by last partition and following partition, is equipped with the bayonet socket adaptive with the heat pipe caliber on the upper and lower partition, and partition inserted the slot in it, the bayonet socket contraposition of upper and lower partition under described upward partition was provided with and allows; The upper limb that the lower edge of the following partition of upper strata dividing plate is provided with the last partition that allows lower floor's dividing plate inserts the groove in it.
Further, the evaporator section of described heat pipe is socketed with fin.
Further, the condensation segment of described heat pipe is socketed with fin.
Further, new air intake of described low temperature and high-temp waste gas inlet is equipped with double-layer leaching net.
The technical conceive of the utility model is: use heat pipe as the heat exchange original paper; High-temp waste gas directly contacts with heat pipe evaporator section, new air directly contacts with heat pipe condenser section, and the waste heat of high-temp waste gas is directly passed to new air, formed the new air heat exchange efficient height of high temperature by heat pipe.
Use the dividing plate of multilayer socket connection that cabinets cavity is divided into sub-chamber of waste gas and the new sub-chamber of air, prevent the new air of exhaust emission, keep the pure of new air.
Utilize inlet temperature sensor; Outlet temperature sensor; Pitot tube and processor are formed a metering device that can measure new absorption of air heat and the heat of new absorption of air converted into the corresponding coal kilogram value of standard coal; Make the user can observe the energy-saving effect of the utility model intuitively, visual good.
In addition, the utility model is provided with double-layer filtering net at exhaust gas entrance, can prevent that dust in flue gas, pollutant and fiber grease from sticking on the heat pipe, guarantees the heat exchange efficiency of heat pipe, and ensures heat recovery efficiency; Simultaneously, also can inflammable foreign material such as some cotton-wools or cloth waste be filtered out, so just eliminate disaster hidden-trouble.At new air intake place double-layer filtering net is set and has stopped some unnecessary impurity that carry in the air, improve the service life of product.
The fin number of heat pipe appearance is various, and such setting can increase the exchange area of heat exchange, improves the transformation efficiency of heat energy.
The waste gas residual heat heating fresh air that the utility model in use can effectively utilize the heat setting machine discharge returns in the heat setting machine again; Save production cost; Improve heat energy recovery rate, and can filter out things such as the cotton-wool that is contained in the waste gas or cloth waste, eliminate disaster hidden-trouble.
Can also reduce simultaneously the discharging of tail gas, and then reduce the radiation of tail gas, reduce the workshop temperature environment, improve plant operations the working environment of workers the operating ambient temperature in workshop.In addition, clean hot-air is delivered to forming machine drying room temperature, thereby can improve drying efficiency, makes the user can reduce the generation of hydrometeor, improves yield rate.
Description of drawings
Fig. 1 is the sketch map of the utility model.
Fig. 2 is that heat pipe is installed on the sketch map on the dividing plate.
Fig. 3 is the sketch map of dividing plate.
The specific embodiment
With reference to accompanying drawing, further specify the utility model:
The waste gas residual heat recovery system of band metering device; Comprise casing 1 and the heat pipe 2 of being located at casing 1 inside; Be arranged with the dividing plate 3 that cabinets cavity is divided into sub-chamber of waste gas and the new sub-chamber of air on the described heat pipe 2; The low temperature waste gas outlet 5 that the sub-chamber of described waste gas is provided with high-temp waste gas inlet 4 and after heat exchange, forms, the new air outlet slit 7 of high temperature that the sub-chamber of described new air is provided with the new air intake 6 of low temperature and after heat exchange, forms; The evaporator section 21 of described heat pipe 2 is positioned at the sub-chamber of waste gas, condensation segment 22 is positioned at the sub-chamber of new air;
The new air intake of described low temperature 6 places are provided with and obtain the Pitot tube that new air gets into the inlet temperature sensor of the preceding temperature of system and measure new air the flow velocity when getting into system, and the new air outlet slit of described high temperature place is provided with the outlet temperature sensor that obtains the temperature of new air after heat exchange;
New air themperature that inlet, outlet temperature sensor are sensed and Pitot tube are measured the new air velocity that obtains and are all imported in the processor, and described processor is connected with display unit;
Described processor is carried out following steps:
1), obtains the inlet temperature T of new air
1With outlet temperature T
2, calculate temperature difference T=T
2-T
1, obtain the energy Q of new absorption of air, Q=C
p* Δ T * m;
Wherein: C
pBe the specific heat at constant pressure of new air, calculate by the actual mean temperature of importing and exporting;
M is the quality of air, and m=ρ * S * v * T, ρ are atmospheric density; S is the air channel area of new air intake; V is the flow velocity of new air in the porch,
Δ P by Pitot tube record, K is the calibration factor of Pitot tube; T is the mean temperature of new air in the porch;
2), the energy Q with new absorption of air converts the pairing coal kilogram of standard coal calorific value value M into:
Wherein: K
BmCalorific value for standard coal;
3), storing step 2) in corresponding coal kilogram value, and with coal kilogram value input display module.
Be provided with multilayer heat pipe 2 in the described casing 1, every layer has many heat pipes 2; With one deck heat pipe 2 sheathed with a secondary dividing plate on.
Each secondary dividing plate 3 is formed by last partition 31 and following partition 32, is equipped with the bayonet socket a adaptive with the heat pipe caliber on the upper and lower partition 31,32, and the described partition 31 of going up is provided with the slot b that partition 32 inserts in it under the permission, the bayonet socket a contraposition of upper and lower partition 31,32; The upper limb that the lower edge of the following partition 32 of upper strata dividing plate is provided with the last partition 31 that allows lower floor's dividing plate inserts the groove c in it.
The evaporator section 21 of described heat pipe 2 is socketed with fin 81.
The condensation segment 22 of described heat pipe 2 is socketed with fin 82.
The new air intake 6 of described low temperature is equipped with double-layer leaching net with high-temp waste gas inlet 5.
Described low temperature waste gas exports 5 places and is provided with fire resisting damper.
The technical conceive of the utility model is: use heat pipe as the heat exchange original paper; High-temp waste gas directly contacts with heat pipe evaporator section, new air directly contacts with heat pipe condenser section, and the waste heat of high-temp waste gas is directly passed to new air, formed the new air heat exchange efficient height of high temperature by heat pipe.
Use the dividing plate of multilayer socket connection that cabinets cavity is divided into sub-chamber of waste gas and the new sub-chamber of air, prevent the new air of exhaust emission, keep the pure of new air.
Utilize inlet temperature sensor; Outlet temperature sensor; Pitot tube and processor are formed a metering device that can measure new absorption of air heat and the heat of new absorption of air converted into the corresponding coal kilogram value of standard coal; Make the user can observe the energy-saving effect of the utility model intuitively, visual good.
In addition, the utility model is provided with double-layer filtering net at exhaust gas entrance, can prevent that dust in flue gas, pollutant and fiber grease from sticking on the heat pipe, guarantees the heat exchange efficiency of heat pipe, and ensures heat recovery efficiency; Simultaneously, also can inflammable foreign material such as some cotton-wools or cloth waste be filtered out, so just eliminate disaster hidden-trouble.At new air intake place double-layer filtering net is set and has stopped some unnecessary impurity that carry in the air, improve the service life of product.
The fin number of heat pipe appearance is various, and such setting can increase the exchange area of heat exchange, improves the transformation efficiency of heat energy.
The waste gas residual heat heating fresh air that the utility model in use can effectively utilize the heat setting machine discharge returns in the heat setting machine again; Save production cost; Improve heat energy recovery rate, and can filter out things such as the cotton-wool that is contained in the waste gas or cloth waste, eliminate disaster hidden-trouble.
Can also reduce simultaneously the discharging of tail gas, and then reduce the radiation of tail gas, reduce the workshop temperature environment, improve plant operations the working environment of workers the operating ambient temperature in workshop.In addition, clean hot-air is delivered to forming machine drying room temperature, thereby can improve drying efficiency, makes the user can reduce the generation of hydrometeor, improves yield rate.
The described content of this specification embodiment only is enumerating the way of realization of utility model design; The protection domain of the utility model should not be regarded as and only limit to the concrete form that embodiment states, the protection domain of the utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (7)
1. be with the waste gas residual heat recovery system of metering device; It is characterized in that: comprise casing and the heat pipe of being located at box house; Be arranged with the dividing plate that cabinets cavity is divided into sub-chamber of waste gas and the new sub-chamber of air on the described heat pipe; The low temperature waste gas outlet that the sub-chamber of described waste gas is provided with the high-temp waste gas inlet and after heat exchange, forms, the new air outlet slit of high temperature that the sub-chamber of described new air is provided with the new air intake of low temperature and after heat exchange, forms; The evaporator section of described heat pipe is positioned at the sub-chamber of waste gas, condensation segment is positioned at the sub-chamber of new air;
The new air intake of described low temperature place is provided with and obtains the Pitot tube that new air gets into the inlet temperature sensor of the preceding temperature of system and measure new air the flow velocity when getting into system, and the new air outlet slit of described high temperature place is provided with the outlet temperature sensor that obtains the temperature of new air after heat exchange;
New air themperature that inlet, outlet temperature sensor are sensed and Pitot tube are measured the new air velocity that obtains and are all imported in the processor, and described processor is connected with display unit.
2. the waste gas residual heat recovery system of band metering device as claimed in claim 1 is characterized in that: be provided with the multilayer heat pipe in the described casing, every layer has many heat pipes; Be sheathed on the secondary dividing plate with one deck heat pipe.
3. the waste gas residual heat recovery system of band metering device as claimed in claim 2; It is characterized in that: each secondary dividing plate is formed by last partition and following partition; Be equipped with the bayonet socket adaptive on the upper and lower partition with the heat pipe caliber; The described partition of going up is provided with permission its interior slot of partition insertion down, the bayonet socket contraposition of upper and lower partition; The upper limb that the lower edge of the following partition of upper strata dividing plate is provided with the last partition that allows lower floor's dividing plate inserts the groove in it.
4. like the waste gas residual heat recovery system of the described band metering device of one of claim 1-3, it is characterized in that: the evaporator section of described heat pipe is socketed with fin.
5. the waste gas residual heat recovery system of band metering device as claimed in claim 4 is characterized in that: the condensation segment of described heat pipe is socketed with fin.
6. the waste gas residual heat recovery system of band metering device as claimed in claim 5 is characterized in that: new air intake of described low temperature and high-temp waste gas inlet are equipped with double-layer leaching net.
7. like the waste gas residual heat recovery system of the described band metering device of claim 1-3, it is characterized in that: described low temperature waste gas exit is provided with fire resisting damper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201120130734U CN202149718U (en) | 2011-04-28 | 2011-04-28 | Waste-gas waste-heat recovery system with metering device |
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CN201120130734U CN202149718U (en) | 2011-04-28 | 2011-04-28 | Waste-gas waste-heat recovery system with metering device |
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CN202149718U true CN202149718U (en) | 2012-02-22 |
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CN201120130734U Expired - Fee Related CN202149718U (en) | 2011-04-28 | 2011-04-28 | Waste-gas waste-heat recovery system with metering device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102251365A (en) * | 2011-04-28 | 2011-11-23 | 浙江海亮能源管理有限公司 | Waste gas residual heat reclaiming system with metering device |
CN102517835A (en) * | 2011-12-06 | 2012-06-27 | 绍兴文理学院 | Combined waste heat recovery device of setting machine |
-
2011
- 2011-04-28 CN CN201120130734U patent/CN202149718U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102251365A (en) * | 2011-04-28 | 2011-11-23 | 浙江海亮能源管理有限公司 | Waste gas residual heat reclaiming system with metering device |
CN102517835A (en) * | 2011-12-06 | 2012-06-27 | 绍兴文理学院 | Combined waste heat recovery device of setting machine |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20160428 |