CN103015096B - Steam fabric setting machine cascade waste heat comprehensive utilization system of printing and dyeing mill - Google Patents
Steam fabric setting machine cascade waste heat comprehensive utilization system of printing and dyeing mill Download PDFInfo
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- CN103015096B CN103015096B CN201210541257.9A CN201210541257A CN103015096B CN 103015096 B CN103015096 B CN 103015096B CN 201210541257 A CN201210541257 A CN 201210541257A CN 103015096 B CN103015096 B CN 103015096B
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- 238000004043 dyeing Methods 0.000 title claims abstract description 34
- 238000007639 printing Methods 0.000 title claims abstract description 33
- 239000004744 fabric Substances 0.000 title claims abstract description 27
- 239000002918 waste heat Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000009998 heat setting Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims description 23
- 238000007701 flash-distillation Methods 0.000 claims description 16
- 238000001704 evaporation Methods 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000004513 sizing Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000006353 environmental stress Effects 0.000 abstract 1
- 238000010248 power generation Methods 0.000 abstract 1
- 238000010025 steaming Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Abstract
The invention discloses a steam fabric setting machine cascade waste heat comprehensive utilization system of a printing and dyeing mill. The system comprises a heat setting machine condensed water steam exhaust two-level flashing thermodynamic system communicated with a pressure matching system, wherein the heat setting machine condensed water steam exhaust two-level flashing thermodynamic system comprises a heat setting machine condensed water collecting device, a control device, a multi-level flashing device, an electronic executing mechanism and a high-temperature cavitation-proof water pump; the heat setting machine condensed water collecting device is communicated with the multi-level flashing device through pipelines; the multi-level flashing device is respectively communicated with a steam (back pressure) heating network, a relay pump station and a multi-nozzle heat pump; and the multi-nozzle heat pump is communicated with a cylinder through a low-pressure steaming pipeline. By adopting the two-level flashing, the air inlet pressure of the setting machine can be controlled through a steam pressure matching machine; different sizing temperature needed by various fabrics can be acquired; the electricity consumption of conductive oil boilers of the printing and dyeing enterprise can be reduced; the environment stress can be alleviated; the thermalized power generation of the thermal power plant is increased; and the power shortage can be effectively solved.
Description
Technical field
The invention provides a kind of printing and dyeing mill steam fabric setting machine step waste heat comprehensive utilization system, qualitative to concentrate middle pressure steam to substitute conduction oil.
Background technology
Printing and dyeing enterprise is the rich and influential family of heat, electric consumption, in printing and dyeing and rear arrangement process, needs a large amount of heating steam.212 of the existing printing and dyeing enterprises in Shaoxing County (steam power plant's heat supply separately vertical table user is 250), more than 95% printing and dyeing enterprise has adopted central heating, but the steam of conventional heat supply is due to low for thermal pressure, its saturated-steam temperature is low (being generally less than 160 DEG C) also, chemical & blended fabric setting temperature at least will reach more than 180 DEG C, and the heat of steam is mainly the latent heat of vaporization, if utilize the steam of the conventional heat supply chemical & blended fabric of shaping, cannot utilize its latent heat of vaporization, therefore, most of printing and dyeing enterprise all adopts conduction oil sizing.With 6000 tons of calculating of every printing and dyeing enterprise year consumption mark coal, consume mark coal total amount dyeing coal burning heat-conducting oil boiler year and exceed 1,200,000 tons.And the coal burning heat-conducting oil boiler thermal output that general printing and dyeing enterprise oneself management is used is low, dust-removal and desulfurizing rate difficulty is large, and unit drops into also higher, is unfavorable for energy-saving and emission-reduction, and the performance of conduction oil can fail with service time, needs timing replacing, and maintenance cost is high; There is again high temperature danger on fire, therefore have substituted necessity and urgency.At present, some enterprise starts with natural gas sizing, and natural gas straight taps into workshop, and directly burning in equipment, and the more difficult discovery of leakage point, produces explosion potential on fire larger, sizing approach that neither be first-selected.
So those skilled in the art are badly in need of designing a kind of printing and dyeing enterprise printing and dyeing mill's fabric setting machine step waste heat comprehensive utilization system that produce, that meet environmental requirement that is applicable to, this case produces thus.
Summary of the invention
For solving the above-mentioned technical problem of prior art, the invention provides a kind of printing and dyeing mill steam fabric setting machine step waste heat comprehensive utilization system, utilize the extraction steam for factories of cogeneration units after pressure matcher adherence pressure, to meet the demand of existing printing and dyeing enterprise heat setting machine to middle pressure steam, alleviate environmental pressure to replace the coal-fired thermal oil furnace disperseing, improve cogeneration of heat and power benefit.
For achieving the above object, the present invention is achieved by the following technical solutions:
A kind of printing and dyeing mill steam fabric setting machine step waste heat comprehensive utilization system, comprise the heat setting machine condensed water exhaust steam double flash evaporation therrmodynamic system being communicated with pressure matching system, described heat setting machine condensed water exhaust steam double flash evaporation therrmodynamic system comprises heat setting machine condensed water collecting device, control device, multistage flash distillation device, electric operator and high temperature cavitation-preventive water pump, described heat setting machine condensed water collecting device has multistage flash distillation device by pipeline connection, multistage flash distillation device is communicated with respectively steam (back pressure) heat supply network, booster pump station and multiinjector heat pump, multiinjector heat pump is communicated with machine cylinder by low-pressure steam pipeline, electric operator is connected with multiinjector heat pump governor motion by support, and control device is connected with multistage flash distillation device, Liquid level adjusting valve and high temperature cavitation-preventive water pump respectively.
Described pressure matching system comprises exhaust steam pressure matcher, described exhaust steam pressure matcher connects respectively power boiler, extraction pressure pipeline, back pressure steam pipework and heat setting machine condensed water aspirator by pipeline, between described power boiler and exhaust steam pressure matcher, is provided with temperature-adjusting device.
Described temperature-adjusting device is steam direct-contact desuperheater.
Described multistage flash distillation device comprises by the one-level nature flash tank of pipeline connection and secondary forces suction flash tank, pipeline between one-level nature flash tank and heat setting machine condensed water collecting device is provided with into water gate valve, one-level nature flash tank and secondary force the pipeline between suction flash tank to be provided with Liquid level adjusting valve, and secondary forces the pipeline between suction flash tank and multiinjector heat pump to be provided with check valve set.
On described multiinjector heat pump, be connected with electric operator.
Described one-level nature flash tank and secondary are forced to be respectively equipped with liquid level gauge on suction flash tank, and liquid level gauge connects control device, and control device is electrically connected with Liquid level adjusting valve.
Described secondary is forced to be provided with two the anti-cavitation water pump of high temperature groups between suction flash tank and booster pump station; On pipeline before described each group high temperature anti-cavitation water pump group and booster pump station, be provided with check valve set, and the anti-cavitation water pump of each group high temperature group is connected with control device.
Described control device comprises thermal control cabinet, and thermal control cabinet connects liquid level gauge, the anti-cavitation water pump of high temperature group, electric operator and check valve set.
Beneficial effect of the present invention is as follows:
1, owing to having adopted technique scheme, compared with prior art, the present invention adopts double flash evaporation, by the coupling transformation of steam shaping control initial steam pressure, obtains different steam pressures and meets; The demand of heat setting machine to middle pressure steam.Can meet the needed different setting temperature of fabric of different cultivars; Steam temperature field under saturation state can remain unchanged.
2, the present invention adopts steam shaping can improve the heat transform generate electricity amount of steam power plant etc., thereby improves efficiency of energy utilization, reduces energy resource consumption.Meanwhile, the thermal source units such as steam power plant have different pressures Er road steam to enter the heat unit such as printing and dyeing mill, can improve the reliability of the heat unit vapour such as printing and dyeing mill.
3, the present invention can reduce the use amount of printing and dyeing enterprise to heat conducting oil boiler; Alleviate environmental pressure; Can save the power consumption of oil circulating pump, increase again the delivery of steam power plant, can effectively solve electricity shortage.In addition, according to the actual needs, the present invention can utilize setting machine waste gas or heating system to mend wind, effectively reduces operating cost.
Brief description of the drawings
Fig. 1 is printing and dyeing mill of the present invention steam fabric setting machine step waste heat comprehensive utilization system schematic diagram;
Fig. 2 is pressure matching system schematic diagram of the present invention;
Fig. 3 is heat setting machine condensed water exhaust steam double flash evaporation therrmodynamic system schematic diagram of the present invention.
Wherein, 1 is exhaust steam pressure matcher, 2 is steam direct-contact desuperheater, 3 is power boiler, 4 is extraction pressure pipeline, 5 is back pressure steam pipework, 6 is mixed vapour (middle pressure), 7 is one-level nature flash tank, 8 is secondary pressure suction flash tank, 9 is high temperature cavitation-preventive water pump group, 10 is check valve set, 11 is electric operator, 12 is multiinjector heat pump, 13 is Liquid level adjusting valve, 14 is thermal control cabinet, 15 is liquid level gauge, 16 is booster pump station, 17 is heat setting machine condensation water collection pipe, 18 is steam (back pressure) heat supply network, 19 is water inlet gate valve, 20 is low-pressure steam pipeline, 21 is machine cylinder, 22 is support.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As depicted in figs. 1 and 2, printing and dyeing mill of the present invention steam fabric setting machine step waste heat comprehensive utilization system, comprise the heat setting machine condensed water exhaust steam double flash evaporation therrmodynamic system being communicated with pressure matching system, heat setting machine condensed water exhaust steam double flash evaporation therrmodynamic system comprises heat setting machine condensed water collecting device 17, control device, multistage flash distillation device, electric operator 11 and high temperature cavitation-preventive water pump 9, and heat setting machine condensed water collecting device 17 has multistage flash distillation device by pipeline connection; Multistage flash distillation device is communicated with respectively steam (back pressure) heat supply network 18, booster pump station 16 and multiinjector heat pump 12, and multiinjector heat pump 12 is communicated with machine cylinder 21 by low-pressure steam pipeline 20.Electric operator 11 is connected with multiinjector heat pump 12 governor motions by support 22, force the height control of the pressure of flash distillation plant 8 to be transported to the pressure of the steam of machine cylinder 21 according to secondary, also the controlled back pressure that heats setting machine drain valve changes hot blast temperature in heat setting machine.Control device is connected with multistage flash distillation device, Liquid level adjusting valve 13 and high temperature cavitation-preventive water pump 9 by shielded cable.
Pressure matching system comprises exhaust steam pressure matcher 1, exhaust steam pressure matcher 1 connects respectively power boiler 3, extraction pressure pipeline 4, back pressure steam pipework 5 and heat setting machine condensed water aspirator 17 by pipeline, between power boiler 3 and exhaust steam pressure matcher 1, is provided with steam direct-contact desuperheater 2.
Multistage flash distillation device comprises by the one-level nature flash tank 7 of pipeline connection and secondary forces suction flash tank 8, pipeline between one-level nature flash tank 7 and heat setting machine condensed water collecting device 17 is provided with into water gate valve 19, one-level nature flash tank 7 and secondary force the pipeline between suction flash tank 8 to be provided with Liquid level adjusting valve 13, and secondary forces the pipeline between suction flash tank 8 and multiinjector heat pump 12 to be provided with check valve set 10; On multiinjector heat pump 12, be connected with electric operator 11.
One-level nature flash tank 7 and secondary are forced to be respectively equipped with liquid level gauge 15 on suction flash tank 8, and liquid level gauge 15 connects control device, and control device is connected with Liquid level adjusting valve 13.
Secondary is forced to be provided with two the anti-cavitation water pump of high temperature groups 9 between suction flash tank 8 and booster pump station 16; On pipeline before each group high temperature anti-cavitation water pump group 9 and booster pump station 16, be provided with check valve set 10, and the anti-cavitation water pump of each group high temperature group 9 is electrically connected with control device.Control device comprises thermal control cabinet 14, and thermal control cabinet 14 connects liquid level gauge 15, the anti-cavitation water pump of high temperature group 9, electric operator 11 and check valve set 10.
When work, the steam in power boiler 3 is 75t/h, 9.81MPa, 538 DEG C, after attemperator 2 cooling, after the steam in exhaust steam pressure matcher 1 and suction pressure pipeline 4, back pressure steam pipework 5, supply 5-25t/h middle pressure steam to steam (back pressure) heat supply network 18.
Water in heat setting machine condensation water collection pipe 17 enters into one-level nature flash tank 7 by water inlet gate valve 19, enter into secondary by Liquid level adjusting valve 13 again and force suction flash tank 8, so just obtain the flash-off steam of two kinds of pressure, can observe the liquid level situation of change in flash tank by liquid level gauge 15 during this time, regulate flash tank internal pressure to change by anti-cavitation water pump group 9 and booster pump station 16, ensure the temperature of flash-off steam.Flash-off steam enters into multiinjector heat pump 12, by multiinjector heat pump 12, flash-off steam is assigned in the operating mechanism needing, and realizes fabric heat-setting.
HEAT SETTING is to utilize the thermoplasticity of synthetic fiber, fabric is kept to certain size and model state, be heated to temperature required, make the aggravation of fiber molecule chain movement, fiber internal stress reduce, degree of crystallinity and crystalline region increase to some extent, amorphous area take advantage of in concentrate, fibre structure is further perfect, makes the DIMENSIONAL STABILITY of fiber and fabric thereof obtain raising.State while taking again the unrestrained method of mandatory down to make fabric remain on HEAT SETTING, otherwise fabric meeting after clot, because hot effect shrink, also may produce the fine wrinkle that is difficult to elimination.
The present invention adopts double flash evaporation, by steam shaping control initial steam pressure, obtains the needed different setting temperature of fabric of different cultivars.Steam is temperature-resistant under saturation state.
The present invention adopts steam shaping can improve the heat transform generate electricity amount of steam power plant etc., thereby improves efficiency of energy utilization, reduces energy resource consumption.Meanwhile, the thermal source units such as steam power plant have different pressures Er road steam to enter the heat unit such as printing and dyeing mill, can improve the reliability of the heat unit vapour such as printing and dyeing mill.
The present invention has reduced the power consumption of printing and dyeing enterprise heat conducting oil boiler, has increased again the delivery of steam power plant, can effectively solve electricity shortage.In addition, according to the actual needs, the present invention can utilize setting machine waste gas or heating system to mend wind, effectively reduces heat cost.
Above-described embodiment is only for the inventive concept of the present invention of explaining, but not restriction to rights protection of the present invention, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should fall into protection scope of the present invention.
Claims (8)
1. printing and dyeing mill's steam fabric setting machine step waste heat comprehensive utilization system, it is characterized in that: comprise the heat setting machine condensed water exhaust steam double flash evaporation therrmodynamic system being communicated with pressure matching system, described heat setting machine condensed water exhaust steam double flash evaporation therrmodynamic system comprises heat setting machine condensed water collecting device, control device, multistage flash distillation device, electric operator and high temperature cavitation-preventive water pump, described heat setting machine condensed water collecting device has multistage flash distillation device by pipeline connection, multistage flash distillation device is communicated with respectively steam heat, booster pump station and multiinjector heat pump, multiinjector heat pump is communicated with machine cylinder by low-pressure steam pipeline, electric operator is connected with multiinjector heat pump governor motion by support, and control device is connected with multistage flash distillation device, Liquid level adjusting valve and high temperature cavitation-preventive water pump respectively.
2. printing and dyeing mill as claimed in claim 1 steam fabric setting machine step waste heat comprehensive utilization system, it is characterized in that: described pressure matching system comprises exhaust steam pressure matcher, described exhaust steam pressure matcher connects respectively power boiler, extraction pressure pipeline, back pressure steam pipework and heat setting machine condensed water aspirator by pipeline, between described power boiler and exhaust steam pressure matcher, is provided with temperature-adjusting device.
3. printing and dyeing mill as claimed in claim 2 steam fabric setting machine step waste heat comprehensive utilization system, is characterized in that: described temperature-adjusting device is steam direct-contact desuperheater.
4. printing and dyeing mill according to claim 1 steam fabric setting machine step waste heat comprehensive utilization system, it is characterized in that: described multistage flash distillation device comprises by the one-level nature flash tank of pipeline connection and secondary forces suction flash tank, pipeline between one-level nature flash tank and heat setting machine condensed water collecting device is provided with into water gate valve, one-level nature flash tank and secondary force the pipeline between suction flash tank to be provided with Liquid level adjusting valve, and secondary forces the pipeline between suction flash tank and multiinjector heat pump to be provided with check valve set.
5. according to the printing and dyeing mill's steam fabric setting machine step waste heat comprehensive utilization system described in claim 1 or 3, it is characterized in that: on described multiinjector heat pump, be connected with electric operator.
6. printing and dyeing mill according to claim 4 steam fabric setting machine step waste heat comprehensive utilization system, it is characterized in that: described one-level nature flash tank and secondary are forced to be respectively equipped with liquid level gauge on suction flash tank, liquid level gauge connects control device, and control device is electrically connected with Liquid level adjusting valve.
7. printing and dyeing mill according to claim 1 steam fabric setting machine step waste heat comprehensive utilization system, is characterized in that: described secondary is forced to be provided with two the anti-cavitation water pump of high temperature groups between suction flash tank and booster pump station; On pipeline before described each group high temperature anti-cavitation water pump group and booster pump station, be provided with check valve set, and the anti-cavitation water pump of each group high temperature group is electrically connected with control device.
8. according to the printing and dyeing mill's steam fabric setting machine step waste heat comprehensive utilization system described in claim 5 or 6, it is characterized in that: described control device comprises thermal control cabinet, thermal control cabinet connects liquid level gauge, the anti-cavitation water pump of high temperature group, electric operator and check valve set.
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| CN103994330B (en) * | 2014-06-06 | 2016-05-11 | 石狮市华润织造印染有限公司 | A kind of steam step heating system of producing for dyeing and finishing |
| CN105570865A (en) * | 2015-12-18 | 2016-05-11 | 孝感华越机电科技有限公司 | Medium-pressure high-temperature steam production equipment |
| CN106283679B (en) * | 2016-09-27 | 2018-03-20 | 福州大学 | Pulsatile impact dryness finalization system and its application method based on high temperature heat pump |
| CN115369599A (en) * | 2022-07-08 | 2022-11-22 | 普宁市广业环保能源有限公司 | Heat supply energy-saving optimization system for printing and dyeing mill |
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| CN101165399A (en) * | 2007-08-07 | 2008-04-23 | 江苏工业学院 | Boiler low grade residual heat combined reclamation method and device |
| CN201062712Y (en) * | 2007-06-05 | 2008-05-21 | 北京弘泰斯奔思技术服务有限责任公司 | Condensation water enclosed reclaimer |
| CN101761913A (en) * | 2010-02-11 | 2010-06-30 | 山东海天生物化工有限公司 | Method and device for recovering waste heat of steam condensate of calcination plant |
| CN202303310U (en) * | 2011-04-18 | 2012-07-04 | 杭州术通高端仪器有限公司 | Vapor and condensed water residual heat reuse system with temperature and pressure regulation function |
| CN203021781U (en) * | 2012-12-13 | 2013-06-26 | 绍兴市嘉宝节能新技术有限公司 | Step-type waste heat comprehensive utilization system of steam fabric setting machine in printing and dyeing mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| BRPI1001671A2 (en) * | 2010-06-09 | 2012-02-28 | H. Bremer & Filhos Ltda | process of reusing condensate thermal energy in the water supply system in deaerating boilers |
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Patent Citations (5)
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|---|---|---|---|---|
| CN201062712Y (en) * | 2007-06-05 | 2008-05-21 | 北京弘泰斯奔思技术服务有限责任公司 | Condensation water enclosed reclaimer |
| CN101165399A (en) * | 2007-08-07 | 2008-04-23 | 江苏工业学院 | Boiler low grade residual heat combined reclamation method and device |
| CN101761913A (en) * | 2010-02-11 | 2010-06-30 | 山东海天生物化工有限公司 | Method and device for recovering waste heat of steam condensate of calcination plant |
| CN202303310U (en) * | 2011-04-18 | 2012-07-04 | 杭州术通高端仪器有限公司 | Vapor and condensed water residual heat reuse system with temperature and pressure regulation function |
| CN203021781U (en) * | 2012-12-13 | 2013-06-26 | 绍兴市嘉宝节能新技术有限公司 | Step-type waste heat comprehensive utilization system of steam fabric setting machine in printing and dyeing mill |
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Address after: 312000 Doumen town Xiyan village, Paojiang, Shaoxing City, Zhejiang Province Patentee after: ZHEJIANG JIABAO ENERGY SAVING TECHNOLOGY STOCK Co.,Ltd. Address before: 312000 Shaoxing Jiabao energy saving new technology Co., Ltd., room 406, No. 66 9, Jiaoyu Road, Paojiang, Shaoxing, Zhejiang Patentee before: Shaoxing Jiabao Energy-saving New Technology Co.,Ltd. |
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Denomination of invention: A Comprehensive Utilization System for Cascade Waste Heat of Steam Fabric Setting Machine in Printing and Dyeing Factory Granted publication date: 20140709 Pledgee: Zhejiang Shaoxing Hengxin Rural Commercial Bank Co.,Ltd. Mashan sub branch Pledgor: ZHEJIANG JIABAO ENERGY SAVING TECHNOLOGY STOCK Co.,Ltd. Registration number: Y2024980003957 |
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