CN103964521A - Energy-saving efficient system for heating process water - Google Patents
Energy-saving efficient system for heating process water Download PDFInfo
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- CN103964521A CN103964521A CN201310034727.7A CN201310034727A CN103964521A CN 103964521 A CN103964521 A CN 103964521A CN 201310034727 A CN201310034727 A CN 201310034727A CN 103964521 A CN103964521 A CN 103964521A
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Abstract
An energy-saving efficient system for heating process water. A process water pipe is successively connected with a heating device, a low temperature process water treatment device and a high temperature process water treatment device of an original system. The system is characterized in that a low temperature waste heat heating device and a medium temperature waste heat heating device are orderly arranged between the process water pipe and the heating device of the original system, the low temperature waste heat heating device is respectively communicated with a low temperature waste heat heat flow pipe and a low temperature waste heat cold flow pipe, and the medium temperature waste heat heating device is respectively communicated with a medium temperature waste heat heat flow pipe and a medium temperature waste cold flow pipe. The energy-saving efficient system for heating process water provided by the invention makes full usage of the large amount of waste heat abandoned in the environment or used by low efficiency factory around factories as a heat source to heat the process water, realizes energy utilization with fitting temperature and efficient echelon, and meets the principles of energy conservation and environmental protection.
Description
Background technology
At present, conventional heating process water use model is to utilize the modes such as fossil oil to heat, and the periphery of Er factory often has a large amount of remaining waste heat to abandon in environment or as inefficient application, thereby, cause the very large waste of the energy, simultaneously, also do not meet temperature counterpart, echelon is utilized the principle of the energy.
Summary of the invention
The object of the invention is: in order to overcome above-mentioned deficiency, a kind of device of heating process water system of efficient energy-saving is provided, it can make full use of a large amount of the abandoning in environment or as the inefficient remaining waste heat heating process water of applying of factory's periphery, implementation temperature counterpart, echelon are utilized the energy efficiently, have reached energy-conserving and environment-protective principle.
The present invention seeks to realize by such technical scheme: a kind of system of efficient energy-saving heating process water, comprise: process water pipeline is communicated with original system intensification heating unit, original system water treatment device, original system high-temperature technology water treatment device for low temperature process successively, sets gradually low-temperature waste heat heating unit, middle temperature waste heating device between described process water pipeline and original system intensification heating unit; Low-temperature waste heat heating unit is communicated with respectively low-temperature waste heat hot-fluid pipeline and low-temperature waste heat cold flow pipeline; Warm used heat hot-fluid pipeline and middle temperature used heat cold flow pipeline during middle temperature waste heating device is communicated with respectively.
Described original system low temperature process is with water treatment device and original system high-temperature technology with on the process water pipeline between water treatment device, high temperature waste hot heating unit being set, and described high temperature waste hot heating unit is communicated with respectively high-temperature heat flux pipeline and high temperature cold flow pipeline.
Pipeline other Process heat pipeline in parallel on the process water pipeline that described high temperature waste hot heating unit is connected with water treatment device with original system high-temperature technology, other industrial heat device of other Process heat pipeline communication.
Described high temperature cold flow pipeline series connection reuse water treatment unit, reuse water treatment unit is communicated with by reuse water recovery channel the process water pipeline that high temperature waste hot heating unit is connected with water treatment device with original system high-temperature technology.
Described original system low temperature process with water treatment device with other Process heat pipeline of process water pipeline shunt being connected between high temperature waste hot heating unit, other industrial heat device of other Process heat pipeline communication are set on pipeline.
The cooling circulating water heat-exchanger rig of connecting on process water pipeline between process water pipeline and low-temperature waste heat heating unit.
The system of a kind of efficient energy-saving heating process of the present invention water, it makes full use of a large amount of the abandoning in environment or be thermal source as the remaining waste heat of poor efficiency application of factory's periphery, heating process water, enforcement temperature counterpart, echelon are utilized the energy efficiently, reach the principle of energy-conservation environmental protection again.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 structural representation;
Fig. 2 is the embodiment of the present invention 2 structural representations;
Fig. 3 is the embodiment of the present invention 3 structural representations;
Fig. 4 is the embodiment of the present invention 4 structural representations;
Fig. 5 is the embodiment of the present invention 5 structural representations;
Fig. 6 is the embodiment of the present invention 6 structural representations;
Fig. 7 is former process water heating procedure schematic diagram.
In figure, number:
1, original system intensification heating unit; 2, original system low temperature process water treatment device; 3, original system high-temperature technology water treatment device; 4, original system low-temperature heat hot-fluid pipeline; 5, original system low-temperature heat cold flow pipeline; 6, original system heat hot-fluid pipeline; 7, original system heat cold flow pipeline; 8, process water pipeline; 9, low-temperature waste heat heating unit; 10, middle temperature waste heating device; 11, low-temperature waste heat hot-fluid pipeline; 12, low-temperature waste heat cold flow pipeline; 13, middle temperature used heat hot-fluid pipeline; 14, middle temperature used heat cold flow pipeline; 15, high temperature waste hot heating unit; 16, high-temperature heat flux pipeline; 17, high temperature cold flow pipeline; 18, other industrial heat device; 19, cooling circulating water heat-exchanger rig; 20, cooling circulating water water inlet pipe; 21, cooling circulating water water return pipeline; 25, reuse water treatment unit; 26, reuse water recovery channel; 27,28 other Process heat pipelines.
Embodiment
Embodiment 1
A system for efficient energy-saving heating process water, as shown in Figure 1, comprising: process water pipeline 8 is communicated with original system intensification heating unit 1 successively, water treatment device 2 for original system low temperature process, water treatment device 3 for original system high-temperature technology.Described original system intensification heating unit 1 is communicated with respectively original system low-temperature heat hot-fluid pipeline 4 and original system low-temperature heat cold flow pipeline 5.Described original system high-temperature technology is communicated with respectively original system heat hot-fluid pipeline 6 and original system heat cold flow pipeline 7 with water treatment device 3.Between described process water pipeline 8 and original system intensification heating unit 1, set gradually low-temperature waste heat heating unit 9, middle temperature waste heating device 10; Low-temperature waste heat heating unit 9 is communicated with respectively low-temperature waste heat hot-fluid pipeline 11 and low-temperature waste heat cold flow pipeline 12; Middle temperature waste heating device 10 is warm used heat hot-fluid pipeline 13 and middle temperature used heat cold flow pipeline 14 in being communicated with respectively.
Working process:
Process water carries out heat temperature raising by process water pipeline 8 to low-temperature waste heat heating unit 9, again by process water pipeline 8 in after warm waste heating device 10 heats again, through process water pipeline 8, to original system intensification heating unit 1, be heated to design temperature again, through process water pipeline 8, to original system low temperature process, with water treatment device 2, carry out water treatment again, finally by process water pipeline 8, to original system high-temperature technology, with water treatment device 3, again heat and water treatment, complete a process water heating and water treatment procedure.
Experimental results show that: native system utilizes low-temperature waste heat heating unit 9, middle temperature waste heating device 10 can partly or entirely substitute 1 pair of process water of original system intensification heating unit to heat, can save a large amount of disposable energy.
Embodiment 2
A system for efficient energy-saving heating process water, as shown in Figure 6, its structure is substantially the same manner as Example 1, and difference is: the cooling circulating water heat-exchanger rig 19 of connecting between process water pipeline 8 and low-temperature waste heat heating unit 9.Low-temperature waste heat heating unit 9 adopts power plant condenser.
Working process:
Process water by process water pipeline 8 to cooling circulating water heat-exchanger rig 19 heat temperature raisings, through process water pipeline 8 to low-temperature waste heat heating unit 9, carry out heat temperature raising, through process water pipeline 8 to middle temperature waste heating device 10, again heat again, through process water pipeline 8, to original system intensification heating unit 1, be heated to design temperature, through process water pipeline 8, to original system low temperature process, with water treatment device 2, carry out water treatment again, finally by process water pipeline 8, to original system high-temperature technology, with water treatment device 3, again heat and water treatment, complete a process water heating and water treatment procedure.
Experimental results show that: native system adds cooling circulating water heat-exchanger rig 19 for process water heats up, guaranteed that process water arrives the parameter request of low-temperature waste heat heating unit 9 (power plant condensers).
Embodiment 3
A kind of system of efficient energy-saving heating process water, as shown in Figure 3, its structure is substantially the same manner as Example 1, and difference is: at water treatment device 2 and the high temperature waste hot heating unit 15 of connecting in the process water pipeline 8 between water treatment device 3 for original system high-temperature technology for original system low temperature process.Described high temperature waste hot heating unit 15 is communicated with respectively high-temperature heat flux pipeline 16 and high temperature cold flow pipeline 17.
Working process:
Process water carries out heat temperature raising through process water pipeline 8 to low-temperature waste heat heating unit 9, through process water pipeline 8 to middle temperature waste heating device 10, again heat again, through process water pipeline 8, to original system intensification heating unit 1, be heated to design temperature, through process water pipeline 8, to original system low temperature process, with water treatment device 2, carry out water treatment again, through process water pipeline 8 high temperature waste hot heating units 15, again heat, finally, through process water pipeline 8, to original system high-temperature technology, with water treatment device 3, again heat and water treatment, complete a process water heating and water treatment procedure.
Experimental results show that: native system is in order to meet 2 pairs of process water temperature requirements of water treatment device for original system low temperature process, at original system low temperature process, with 15 pairs of process waters of the rear series connection high temperature waste hot of water treatment device 2 heating unit, again heat, can partly or entirely substitute original system high-temperature technology and heat with 3 pairs of process waters of water treatment device, save a large amount of disposable energy.
Embodiment 4
A kind of system of efficient energy-saving heating process water, as shown in Figure 4, its structure is substantially the same manner as Example 3, difference is: other Process heat pipeline 27 in parallel on the process water pipeline 8 that described high temperature waste hot heating unit 15 is connected with water treatment device 3 with original system high-temperature technology, other Process heat pipeline 27 is communicated with other industrial heat device 18.
Working process:
Process water carries out heat temperature raising by process water pipeline 8 low-temperature waste heat heating units 9, through process water pipeline 8 to middle temperature waste heating device 10, again heat again, through process water pipeline 8, to original system intensification heating unit 1, be heated to design temperature, through process water pipeline 8, to original system low temperature process, with water treatment device 2, carry out water treatment again, after process water pipeline 8 to high temperature waste heating device 15 heats again, divide two-way: a part of water is utilized by other Process heat pipeline 27 to other Process heat device 18, another part heats and water treatment with water treatment device 3 to original system high-temperature technology again through process water pipeline 8, complete a process water heating and water treatment procedure.
Experimental results show that: native system adds other Process heat device 18, part process water can be utilized by other Process heat device 18, can increase process water purposes like this, material benefit more economically, save energy.。
Embodiment 5
A kind of system of efficient energy-saving heating process water, as shown in Figure 5, its structure is substantially the same manner as Example 3, difference is: described high temperature cold flow pipeline 17 series connection reuse water treatment unit 25, reuse water treatment unit 25 is communicated with by reuse water recovery channel 26 the process water pipeline 8 that high temperature waste hot heating unit 15 is connected with water treatment device 3 with original system high-temperature technology.
Working process:
Process water carries out heat temperature raising by process water pipeline 8 to low-temperature waste heat heating unit 9, again through in after warm waste heating device 10 heats again, through process water pipeline 8, to original system intensification heating unit 1, be heated to after design temperature, through process water pipeline 8, to original system low temperature process, with water treatment device 2, carry out water treatment again, then, through process water pipeline 8 to high temperature waste heating device 15, again heat; The reuse water of high temperature waste hot heating unit 15 is lowered the temperature at high temperature waste hot heating unit 15 through high temperature waste hot hot-fluid pipeline 16, through high temperature waste hot cold flow pipeline 17 to reuse water treatment unit 25, after reuse water treatment unit 25 is processed, by reuse water recovery channel 26, be communicated with process water pipeline 8, mix with process water, finally by process water pipeline 8, to original system high-temperature technology, with water treatment device 3, again heat and water treatment, complete a process water heating and water treatment procedure.
Experimental results show that: native system makes reuse water after 15 coolings of high temperature waste hot heating unit, through reuse water treatment unit 25, processes, and mixes with process water.Remaining used heat in can recycling water is recyclable reuse water again, can save mass energy and water resources.
Embodiment 6
A kind of system of efficient energy-saving heating process water, as shown in Figure 6, its structure is substantially the same manner as Example 5, difference is: at original system low temperature process, with shunting other Process heat pipeline 28 on the process water pipeline 8 being connected between water treatment device 2 and high temperature waste hot heating unit 15, other Process heat pipeline 28 is communicated with other industrial heat devices 18.
Working process:
Process water carries out heat temperature raising through process water pipeline 8 low-temperature waste heat heating units 9, through process water pipeline 8 to middle temperature waste heating device 10, again heat again, through process water pipeline 8, to original system intensification heating unit 1, be heated to design temperature, through process water pipeline 8, carry out water treatment again to original system low temperature process with water treatment device 2, after heating, process water divides two-way: a part of water is utilized by other Process heat pipeline 28 to other Process heat device 18; Another part heats again through process water pipeline 8 to high temperature waste heating device 15; Reuse water through high temperature waste hot hot-fluid pipeline 16 after high temperature waste hot heating unit 15 cooling, by high temperature waste hot cold flow pipeline 17 to reuse water treatment unit 25, after reuse water treatment unit 25 is processed, by reuse water recovery channel 26, mix with the process water of process water pipeline 8, finally by process water pipeline 8, to original system high-temperature technology, with water treatment device 3, again heat and water treatment, complete a process water heating and water treatment procedure.
Experimental results show that: the remaining used heat of native system in can recycling water is recyclable reuse water again, moreover, if any process water more than needed, can utilize at other Process heat device 18 again, native system is compared and is had better economy with above system, can save a large amount of disposable energy and water resources.
Claims (6)
1. the system of an efficient energy-saving heating process water, comprise: process water pipeline (8) is communicated with original system intensification heating unit (1), original system water treatment device (2), original system water treatment device (3) for high-temperature technology for low temperature process successively, it is characterized in that: between described process water pipeline (8) and original system intensification heating unit (1), set gradually low-temperature waste heat heating unit (9), middle temperature waste heating device (10); Low-temperature waste heat heating unit (9) is communicated with respectively low-temperature waste heat hot-fluid pipeline (11) and low-temperature waste heat cold flow pipeline (12); Warm used heat hot-fluid pipeline (13) and middle temperature used heat cold flow pipeline (14) during middle temperature waste heating device (10) is communicated with respectively.
2. the system of efficient energy-saving heating process water according to claim 1, it is characterized in that: described original system for low temperature process water treatment device (2) and original system for high-temperature technology, on the process water pipeline (8) between water treatment device (3), high temperature waste hot heating unit (15) is set, described high temperature waste hot heating unit (15) is communicated with respectively high-temperature heat flux pipeline (16) and high temperature cold flow pipeline (17).
3. the system of efficient energy-saving heating process water according to claim 2, it is characterized in that: described high temperature waste hot heating unit (15) and the upper pipeline of the original system process water pipeline (8) that for high-temperature technology, water treatment device (3) is connected other Process heat pipeline (27) in parallel, other Process heat pipeline (27) is communicated with other industrial heat device (18).
4. the system of efficient energy-saving heating process water according to claim 2, it is characterized in that: described high temperature cold flow pipeline (17) series connection reuse water treatment unit (25), reuse water treatment unit (25) is by reuse water recovery channel (26), and reuse water recovery channel (26) is by being communicated with high temperature waste hot heating unit (15) and the original system process water pipeline (8) that for high-temperature technology, water treatment device (3) is connected.
5. according to the system of the efficient energy-saving heating process water described in claim 2 and 4, it is characterized in that: described original system for low temperature process water treatment device (2) with other Process heat pipeline (28) of process water pipeline (8) shunting being connected between high temperature waste hot heating unit (15) is set on pipeline, other Process heat pipeline (28) is communicated with other industrial heat device (18).
6. the system of efficient energy-saving heating process water according to claim 1, is characterized in that: the upper series connection of process water pipeline (8) cooling circulating water heat-exchanger rig (19) between process water pipeline (8) and low-temperature waste heat heating unit (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310034727.7A CN103964521A (en) | 2013-01-30 | 2013-01-30 | Energy-saving efficient system for heating process water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310034727.7A CN103964521A (en) | 2013-01-30 | 2013-01-30 | Energy-saving efficient system for heating process water |
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| CN202125937U (en) * | 2011-06-27 | 2012-01-25 | 上海成信建业节能科技有限公司 | System for comprehensively recycling boiler energy in tobacco industry |
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- 2013-01-30 CN CN201310034727.7A patent/CN103964521A/en active Pending
Patent Citations (5)
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| CN1815122A (en) * | 2006-02-28 | 2006-08-09 | 南京科环地源热泵科技有限公司 | Industrial waste water (liquid) residual neat recovering system |
| JP2007263385A (en) * | 2006-03-27 | 2007-10-11 | Kurita Water Ind Ltd | Boiler water supply processing device, boiler device, and operation method of boiler water supply processing device |
| CN101570375A (en) * | 2009-05-05 | 2009-11-04 | 西安交通大学 | Method for recovery and cascade utilization of waste heat of supercritical water treatment system of waste organic substances |
| CN202125937U (en) * | 2011-06-27 | 2012-01-25 | 上海成信建业节能科技有限公司 | System for comprehensively recycling boiler energy in tobacco industry |
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Application publication date: 20140806 |