CN102688663B - A kind of method and device reclaiming steam in the useless moisture of coal drying - Google Patents
A kind of method and device reclaiming steam in the useless moisture of coal drying Download PDFInfo
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- CN102688663B CN102688663B CN201210199723.XA CN201210199723A CN102688663B CN 102688663 B CN102688663 B CN 102688663B CN 201210199723 A CN201210199723 A CN 201210199723A CN 102688663 B CN102688663 B CN 102688663B
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- 238000001035 drying Methods 0.000 title claims abstract description 50
- 239000003245 coal Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000010521 absorption reaction Methods 0.000 claims abstract description 79
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 13
- 239000002912 waste gas Substances 0.000 claims abstract description 6
- 239000000498 cooling water Substances 0.000 claims description 20
- 238000011084 recovery Methods 0.000 claims description 19
- 238000009833 condensation Methods 0.000 claims description 15
- 230000005494 condensation Effects 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 6
- 239000002817 coal dust Substances 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003077 lignite Substances 0.000 description 3
- 208000005156 Dehydration Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The invention discloses a kind of method and the device that reclaim steam in the useless moisture of coal drying, comprise step 1, purifying and dedusting; Step 2, water is received in cooling.Recycle-water steam device comprises sack cleaner, absorption tower, cyclic water tank and heat exchanger, the air inlet of sack cleaner is connected with waste gas flue, gas outlet is connected with the middle and lower part on absorption tower by pipeline, the top on absorption tower is provided with blow-off line, bottom is provided with condensing hot air furnace pipeline, the bottom on absorption tower is connected with cyclic water tank by pipeline, and cyclic water tank is connected with heat exchanger by pipeline, and heat exchanger is connected with the top on absorption tower by pipeline.The present invention can reclaim the steam in the useless moisture of coal drying, and have organic efficiency high, economic performance is good, the advantage of effective saving water resource, also has device structure in addition simple, the advantage that equipment energy consumption is low.<!--1-->
Description
Technical field
The present invention relates to a kind of recovery method of steam, particularly a kind of method and device reclaiming steam in the useless moisture of coal drying.
Background technology
Along with the progress of science and technology, the water consumption of people is increasing, and most of provinces and cities of China are all in exsiccosis, using water wisely is very important, current enterprise water use amount is very large, if callable water can be recycled, so can save great lot of water resources.
Existing coal dry technology, many employings are to mode emptying after the steam dedusting evaporated, dedusting technology has bag-type dusting or the electrostatic precipitation of dry method dust, there is the mode of the use cool water shower of wet dedusting, these methods all effectively do not reclaim the steam in the useless moisture of coal drying, recycle-water less economical, Water Sproading rate is low and energy consumption is high.
Summary of the invention
The object of the invention is to, a kind of method and the device that reclaim steam in the useless moisture of coal drying are provided, it can reclaim the steam in the useless moisture of coal drying, there is organic efficiency high, economic performance is good, the advantage of effective saving water resource, also has device structure simple, the advantage that equipment energy consumption is low in addition.
Technical scheme of the present invention: a kind of method reclaiming steam in the useless moisture of coal drying, comprises the following steps:
Step 1, purifying and dedusting, the moisture that the drying of 90 DEG C ~ 110 DEG C given up is purified by sack cleaner, the coal dust carried in the dry useless moisture of removing;
Step 2, water is received in cooling, the moisture that drying after purification given up sends into absorption tower, and the recirculated cooling water of 60 DEG C ~ 80 DEG C is sprayed into from the top on absorption tower, the recirculated cooling water of 60 DEG C ~ 80 DEG C and the drying of 90 DEG C ~ 110 DEG C are given up, and moisture is reverse to be contacted, the water vapor condensation that drying is given up in moisture by recirculated cooling water is the condensed water of 80 DEG C ~ 90 DEG C, fixed gas is discharged by absorption tower tower top, two-way is divided into after bottom condensation flow to absorption tower, pipeline of leading up to enters cooling recirculation system, and pipeline of separately leading up to flows directly into recovery pond.
In the useless moisture of aforesaid this recovery coal drying steam method in, cooling recirculation system in described step 2 comprises cyclic water tank, water circulating pump and heat exchanger, first the condensed water of 80 DEG C ~ 90 DEG C enters cyclic water tank, then by squeezing into heat exchanger after water circulating pump supercharging, the condensed water of 80 DEG C ~ 90 DEG C is cooled to the recirculated water of 60 DEG C ~ 80 DEG C in heat exchanger, finally goes out from absorbing tower top spray.
In the useless moisture of aforesaid this recovery coal drying steam method in, the cooling medium of described heat exchanger is air or cooling water.
In the useless moisture of aforesaid this recovery coal drying steam method in, the sack cleaner in described step 1 can also reduce the particle content in dry useless moisture, and make the particle content in dry useless moisture be less than 20mg/m3, granularity is less than 2 μm.
In the useless moisture of aforesaid this recovery coal drying steam method in, absorption tower adopts sieve-plate tower or packed tower or spray column.
The device that a kind of method realizing steam in the useless moisture of aforementioned recovery coal drying uses, comprise sack cleaner, absorption tower, cyclic water tank and heat exchanger, the air inlet of sack cleaner is connected with waste gas flue, gas outlet is connected with the middle and lower part on absorption tower by pipeline, the top on absorption tower is provided with blow-off line, bottom is provided with condensing hot air furnace pipeline, the bottom on absorption tower is connected with cyclic water tank by pipeline, cyclic water tank is connected with heat exchanger by pipeline, and heat exchanger is connected with the top on absorption tower by pipeline.
In the useless moisture of aforesaid this recovery coal drying steam device in, absorption tower adopts sieve-plate tower or packed tower or spray column.
In the useless moisture of aforesaid this recovery coal drying steam device in, heat exchanger adopts air-cooled heat exchanger or water cooling heat exchanger.
In the useless moisture of aforesaid this recovery coal drying steam device in, the connecting line on sack cleaner and absorption tower is provided with A air-introduced machine, and the blow-off line at top, absorption tower is provided with B air-introduced machine.
In the useless moisture of aforesaid this recovery coal drying steam device in, the connecting line of cyclic water tank and heat exchanger is provided with water circulating pump.
Compared with prior art, the technique that the present invention is received water by purifying and dedusting, cooling, cooled, makes the steam in the useless moisture of coal drying effectively be reclaimed.Although technique is simple, organic efficiency is very high, and due to retracting device structure simple, cost is lower, and system energy consumption is low, and economic performance is good.
The present invention is in reality drops into, effect is very good, such as: in the brown coal drying project of Hulun Buir, be that the raw material brown coal of below 6.3mm add pipe drier by granularity, addition is 47.2 tons/hour, be 0.4MPa at steam parameter, under the condition of 160 ~ 180 DEG C, be 13% by brown coal by 36% drying, obtain the dry coal of 34.72 tons/hour, the high temperature producing 90 ~ 110 DEG C gives up moisture 12.48 tons/hour, useless moisture enters bottom absorption tower after sack cleaner purifying and dedusting, after bottom cycle water quench, water is received in cooling, fixed gas is discharged by tower top, condensation recycle-water temperature is 70 ~ 90 DEG C, Water Sproading rate in useless moisture is 60 ~ 90%, Water Sproading cost is 5 ~ 10 yuan/ton.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Being labeled as in accompanying drawing: 1-sack cleaner, 2-A air-introduced machine, 3-absorption tower, 4-B air-introduced machine, 5-cyclic water tank, 6-water circulating pump, 7-heat exchanger, 8-condensing hot air furnace pipeline, 9-blow-off line.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
Embodiments of the invention 1: a kind of method reclaiming steam in the useless moisture of coal drying, comprises the following steps:
Step 1, purifying and dedusting, the moisture that the drying of 90 DEG C given up is purified by sack cleaner, the coal dust carried in the dry useless moisture of removing;
Step 2, water is received in cooling, the moisture that drying after purification given up sends into absorption tower, and the recirculated cooling water of 80 DEG C is sprayed into from the top on absorption tower, the recirculated cooling water of 80 DEG C and the drying of 90 DEG C are given up, and moisture is reverse to be contacted, and the water vapor condensation that drying is given up in moisture by recirculated cooling water is the condensed water of 80 DEG C, fixed gas is discharged by absorption tower tower top, be divided into two-way after bottom condensation flow to absorption tower, pipeline of leading up to enters cooling recirculation system, and pipeline of separately leading up to flows directly into recovery pond.
Cooling recirculation system in described step 2 comprises cyclic water tank, water circulating pump and heat exchanger, first the condensed water of 80 DEG C enters cyclic water tank, then by squeezing into heat exchanger after water circulating pump supercharging, the condensed water of 80 DEG C is cooled to the recirculated water of 80 DEG C in heat exchanger, finally goes out from absorbing tower top spray.The cooling medium of heat exchanger is air.
Sack cleaner in described step 1 can also reduce the particle content in dry useless moisture, and make the particle content in dry useless moisture be less than 20mg/m3, granularity is less than 2 μm.Absorption tower adopts sieve-plate tower.
The device that a kind of method realizing steam in the useless moisture of aforementioned recovery coal drying uses, as shown in Figure 1, comprise sack cleaner 1, absorption tower 3, cyclic water tank 5 and heat exchanger 7, the air inlet of sack cleaner 1 is connected with waste gas flue, gas outlet is connected by the middle and lower part of pipeline with absorption tower 3, the top on absorption tower 3 is provided with blow-off line 9, bottom is provided with condensing hot air furnace pipeline 8, the bottom on absorption tower 3 is connected with cyclic water tank 5 by pipeline, cyclic water tank 5 is connected with heat exchanger 7 by pipeline, and heat exchanger 7 is connected by the top of pipeline with absorption tower 3.
Absorption tower 3 adopts sieve-plate tower.Heat exchanger 7 adopts air-cooled heat exchanger.
Sack cleaner 1 is provided with A air-introduced machine 2 with the connecting line on absorption tower 3, and the blow-off line 9 at top, absorption tower 3 is provided with B air-introduced machine 4.Cyclic water tank 5 is provided with water circulating pump 6 with the connecting line of heat exchanger 7.
Embodiments of the invention 2: a kind of method reclaiming steam in the useless moisture of coal drying, comprises the following steps:
Step 1, purifying and dedusting, the moisture that the drying of 100 DEG C given up is purified by sack cleaner, the coal dust carried in the dry useless moisture of removing;
Step 2, water is received in cooling, the moisture that drying after purification given up sends into absorption tower, and the recirculated cooling water of 70 DEG C is sprayed into from the top on absorption tower, the recirculated cooling water of 70 DEG C and the drying of 100 DEG C are given up, and moisture is reverse to be contacted, and the water vapor condensation that drying is given up in moisture by recirculated cooling water is the condensed water of 85 DEG C, fixed gas is discharged by absorption tower tower top, be divided into two-way after bottom condensation flow to absorption tower, pipeline of leading up to enters cooling recirculation system, and pipeline of separately leading up to flows directly into recovery pond.
Cooling recirculation system in described step 2 comprises cyclic water tank, water circulating pump and heat exchanger, first the condensed water of 85 DEG C enters cyclic water tank, then by squeezing into heat exchanger after water circulating pump supercharging, the condensed water of 85 DEG C is cooled to the recirculated water of 70 DEG C in heat exchanger, finally goes out from absorbing tower top spray.The cooling medium of heat exchanger is cooling water.
Sack cleaner in described step 1 can also reduce the particle content in dry useless moisture, and make the particle content in dry useless moisture be less than 20mg/m3, granularity is less than 2 μm.Absorption tower adopts packed tower.
The device that a kind of method realizing steam in the useless moisture of aforementioned recovery coal drying uses, as shown in Figure 1, comprise sack cleaner 1, absorption tower 3, cyclic water tank 5 and heat exchanger 7, the air inlet of sack cleaner 1 is connected with waste gas flue, gas outlet is connected by the middle and lower part of pipeline with absorption tower 3, the top on absorption tower 3 is provided with blow-off line 9, bottom is provided with condensing hot air furnace pipeline 8, the bottom on absorption tower 3 is connected with cyclic water tank 5 by pipeline, cyclic water tank 5 is connected with heat exchanger 7 by pipeline, and heat exchanger 7 is connected by the top of pipeline with absorption tower 3.Absorption tower 3 adopts packed tower tower.Heat exchanger 7 adopts water cooling heat exchanger.
Sack cleaner 1 is provided with A air-introduced machine 2 with the connecting line on absorption tower 3, and the blow-off line 9 at top, absorption tower 3 is provided with B air-introduced machine 4.Cyclic water tank 5 is provided with water circulating pump 6 with the connecting line of heat exchanger 7.
Embodiments of the invention 3: a kind of method reclaiming steam in the useless moisture of coal drying, comprises the following steps:
Step 1, purifying and dedusting, the moisture that the drying of 110 DEG C given up is purified by sack cleaner, the coal dust carried in the dry useless moisture of removing;
Step 2, water is received in cooling, the moisture that drying after purification given up sends into absorption tower, and the recirculated cooling water of 60 DEG C is sprayed into from the top on absorption tower, the recirculated cooling water of 60 DEG C DEG C and the drying of 110 DEG C are given up, and moisture is reverse to be contacted, and the water vapor condensation that drying is given up in moisture by recirculated cooling water is the condensed water of 90 DEG C, fixed gas is discharged by absorption tower tower top, be divided into two-way after bottom condensation flow to absorption tower, pipeline of leading up to enters cooling recirculation system, and pipeline of separately leading up to flows directly into recovery pond.
Cooling recirculation system in described step 2 comprises cyclic water tank, water circulating pump and heat exchanger, first the condensed water of 90 DEG C enters cyclic water tank, then by squeezing into heat exchanger after water circulating pump supercharging, the condensed water of 90 DEG C is cooled to the recirculated water of 60 DEG C in heat exchanger, finally goes out from absorbing tower top spray.The cooling medium of described heat exchanger is air.
Sack cleaner in described step 1 can also reduce the particle content in dry useless moisture, and make the particle content in dry useless moisture be less than 20mg/m3, granularity is less than 2 μm.Absorption tower adopts spray column.
The device that a kind of method realizing steam in the useless moisture of aforementioned recovery coal drying uses, as shown in Figure 1, comprise sack cleaner 1, absorption tower 3, cyclic water tank 5 and heat exchanger 7, the air inlet of sack cleaner 1 is connected with waste gas flue, gas outlet is connected by the middle and lower part of pipeline with absorption tower 3, the top on absorption tower 3 is provided with blow-off line 9, bottom is provided with condensing hot air furnace pipeline 8, the bottom on absorption tower 3 is connected with cyclic water tank 5 by pipeline, cyclic water tank 5 is connected with heat exchanger 7 by pipeline, and heat exchanger 7 is connected by the top of pipeline with absorption tower 3.Absorption tower 3 adopts spray column.Heat exchanger 7 adopts air-cooled heat exchanger.Sack cleaner 1 is provided with A air-introduced machine 2 with the connecting line on absorption tower 3, and the blow-off line 9 at top, absorption tower 3 is provided with B air-introduced machine 4.Cyclic water tank 5 is provided with water circulating pump 6 with the connecting line of heat exchanger 7.
As indicated with 1, the high temperature of 90 ~ 110 DEG C from drying machine gives up moisture operation principle of the present invention: figure, and through sack cleaner 1 purifying and dedusting, the moisture that gives up of the high temperature after purification enters from bottom, absorption tower 3 through A air-introduced machine 2.Recirculated cooling water simultaneously from heat exchanger 7 sprays into from top, absorption tower 3 under the supercharging of water circulating pump 6, high temperature gives up moisture with recirculated cooling water reverse contact in absorption tower 3, carry out cooling and receive water, water vapor condensation in useless moisture reclaims, and accumulate in bottom absorption tower 3, condensation recycle-water temperature is 80 ~ 90 DEG C, and the on-condensible gas in useless moisture discharges from top, absorption tower through B air-introduced machine 4.Accumulate in 80 ~ 90 DEG C of condensation recycle-waters bottom absorption tower 3, a part enters cyclic water tank 5 moisturizing, recirculated water in cyclic water tank 5 enters air-cooled heat exchanger 7 through water circulating pump 6, by the cooling heat transferring of air-cooled heat exchanger 7, be down to the recirculated cooling water of 60 ~ 80 DEG C, enter top, absorption tower 4 by the pressurization of water circulating pump 6, spray into from top to high temperature give up moisture carry out cooling receive water.Major part condensation recycle-water enters condensing hot air furnace pipeline 8, reaches standards for industrial water usage after treatment, recycles.
Claims (1)
1. reclaim a method for steam in the useless moisture of coal drying, it is characterized in that, comprise the following steps:
Step 1, purifying and dedusting, the moisture that the drying of 90 DEG C ~ 110 DEG C given up is purified by sack cleaner, the coal dust carried in the dry useless moisture of removing;
Step 2, water is received in cooling, the moisture that drying after purification given up sends into absorption tower, and the recirculated cooling water of 60 DEG C ~ 80 DEG C is sprayed into from the top on absorption tower, the recirculated cooling water of 60 DEG C ~ 80 DEG C and the drying of 90 DEG C ~ 110 DEG C are given up, and moisture is reverse to be contacted, the water vapor condensation that drying is given up in moisture by recirculated cooling water is the condensed water of 80 DEG C ~ 90 DEG C, fixed gas is discharged by absorption tower tower top, two-way is divided into after bottom condensation flow to absorption tower, pipeline of leading up to enters cooling recirculation system, and pipeline of separately leading up to flows directly into recovery pond;
Sack cleaner in described step 1 can also reduce the particle content in dry useless moisture, makes the particle content in dry useless moisture be less than 20mg/m
3, granularity is less than 2 μm;
Cooling recirculation system in described step 2 comprises cyclic water tank, water circulating pump and heat exchanger, the cooling medium of described heat exchanger is water, first the condensed water of 80 DEG C ~ 90 DEG C enters cyclic water tank, then by squeezing into heat exchanger after water circulating pump supercharging, the condensed water of 80 DEG C ~ 90 DEG C is cooled to the recirculated water of 60 DEG C ~ 80 DEG C in heat exchanger, finally goes out from absorbing tower top spray;
Described absorption tower adopts sieve-plate tower;
The device that in the useless moisture of described recovery coal drying, the method for steam uses, comprise sack cleaner (1), absorption tower (3), cyclic water tank (5) and heat exchanger (7), the air inlet of sack cleaner (1) is connected with waste gas flue, gas outlet is connected by the middle and lower part of pipeline with absorption tower (3), the top on absorption tower (3) is provided with blow-off line (9), bottom is provided with condensing hot air furnace pipeline (8), the bottom on absorption tower (3) is connected with cyclic water tank (5) by pipeline, cyclic water tank (5) is connected with heat exchanger (7) by pipeline, heat exchanger (7) is connected by the top of pipeline with absorption tower (3), heat exchanger (7) adopts water cooling heat exchanger, sack cleaner (1) is provided with A air-introduced machine (2) with the connecting line on absorption tower (3), and the blow-off line (9) at absorption tower (3) top is provided with B air-introduced machine (4), absorption tower (3) adopts sieve-plate tower, cyclic water tank (5) is provided with water circulating pump (6) with the connecting line of heat exchanger (7).
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| CN201210199723.XA CN102688663B (en) | 2012-06-14 | 2012-06-14 | A kind of method and device reclaiming steam in the useless moisture of coal drying |
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| CN103007696B (en) * | 2013-01-05 | 2015-07-01 | 中橡集团炭黑工业研究设计院 | Device and method for treating carbon black tail gas and application of tail gas |
| CN103540328B (en) * | 2013-11-04 | 2014-12-10 | 山东荣信煤化有限责任公司 | System and method for comprehensive utilization of low-temperature and low-pressure steam discharged from coke quenching tower |
| CN104061778B (en) * | 2014-07-03 | 2017-01-11 | 刘吉生 | Energy-saving use method for pipe bundle drier |
| CN104279857B (en) * | 2014-10-17 | 2016-05-18 | 中国五环工程有限公司 | Process and system that low-order coal Water Resourcesization is utilized |
| CN108571845A (en) * | 2017-03-10 | 2018-09-25 | 深圳市芭田生态工程股份有限公司 | Fertilizer cooling means and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2247320Y (en) * | 1995-11-20 | 1997-02-12 | 肖跃钢 | High-effect steam-water direct heat exchanger |
| CN201954917U (en) * | 2010-10-29 | 2011-08-31 | 中国矿业大学 | High-moisture lignite drying system |
| CN102466414A (en) * | 2010-11-11 | 2012-05-23 | 天华化工机械及自动化研究设计院 | Method for recycling heat and water of steam evaporated during drying of fuel coal in power plant |
-
2012
- 2012-06-14 CN CN201210199723.XA patent/CN102688663B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2247320Y (en) * | 1995-11-20 | 1997-02-12 | 肖跃钢 | High-effect steam-water direct heat exchanger |
| CN201954917U (en) * | 2010-10-29 | 2011-08-31 | 中国矿业大学 | High-moisture lignite drying system |
| CN102466414A (en) * | 2010-11-11 | 2012-05-23 | 天华化工机械及自动化研究设计院 | Method for recycling heat and water of steam evaporated during drying of fuel coal in power plant |
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