Condensate water flash-off steam use device
Technical field
The utility model relates to a kind of condensed-water recovering device, particularly a kind of recycling device that is used for cigarette factory condensate water flash-off steam.
Background technology
Cigar mill is in the production of cigarettes process, normal operation in order to ensure throwing Wiring technology equipment and heating and ventilating equipment, need with a large amount of steam, steam is emitted the latent heat of vaporization as a kind of heat energy carrier in various gas utilization units after, can become and be close to equality of temperature with the saturated condensate water of depressing, because the working pressure of steam is greater than atmospheric pressure, so the heat that condensate water had can reach the 20%-30% of the full heat of steam, and pressure, temperature is high more, the heat that condensate water has is just many more, the ratio that accounts for the steam total amount of heat is also just big more, this shows, the heat of 100% recovery condensate water also effectively utilizes in addition and has very big energy-saving potential.
The condensate water of cigar mill's production line heat transmission equipment generation at present generally all can be got back to Condensate recovery device by buried pipe, but since each production technology with the steam pressure difference (maximum be not less than 0.8MPa with steam pressure at throwing line cut-tobacco drier place, and the operating pressure of Condensate recovery device has only 0.125MPa), therefore the condensate water flash-off steam that is easy in condensing water conduit, produce, the leaked steam of part drain valve also can enter into condensing water conduit, a large amount of flash-off steams and leaked steam are heavily gathered at Condensate recovery device, make the back pressure in the Condensate recovery device raise, and then cause gas equipment hydrophobic not smooth, in order to guarantee that gas equipment is hydrophobic unimpeded, usually change airtight Condensate recovery device into open system, on Condensate recovery device, increase evacuated tube and emit flash-off steam, the a large amount of heat that so just is is wasted, and causes energy waste.
The utility model content
At above-mentioned the deficiencies in the prior art, the technical problems to be solved in the utility model provides the condensate water flash-off steam use device that a kind of heat that can make the condensate water flash-off steam is fully used.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of condensate water flash-off steam use device, comprise boiler, the low level softened water tank, high-order softened water tank, Condensate recovery device, described low level softened water tank is connected with described high-order softened water tank by the elevated tank feed pump, described high-order softened water tank is connected with described boiler by boiler feed pump, described Condensate recovery device is connected with gas utilization unit by steam trap, it also comprises a steam water heater, described high-order softened water tank is connected with the water inlet of described steam water heater by a water circulating pump, the delivery port of described steam water heater is connected with described high-order softened water tank, the exhaust outlet of described Condensate recovery device is connected with the air inlet of described steam water heater, the condensed water discharge outlet of described steam water heater is connected with the water inlet of described Condensate recovery device, and the delivery port of described Condensate recovery device is connected with described high-order softened water tank by condensate transfer pump.
Preferably, the connecting line of described high-order softened water tank and described boiler is provided with temperature detector.
Preferably, described Condensate recovery device is provided with tramp iron separator, water quality detection device and flowmeter with the pipeline that described high-order softened water tank is connected.
Preferably, described Condensate recovery device is provided with draining valve with the pipeline that described high-order softened water tank is connected.
Preferably, described low level softened water tank is provided with the normal temperature oxygen-eliminating device with the pipeline that described high-order softened water tank is connected.
Technique scheme has following beneficial effect: this condensate water flash-off steam use device is provided with a steam water heater, the flash-off steam in the Condensate recovery device and the leaked steam of drain valve enter into steam water heater by exhaust outlet, soft water in the high-order softened water tank also passes through this steam water heater simultaneously, soft water and steam just can carry out heat exchange in steam water heater like this, the temperature of soft water is raise, make the steam condensation simultaneously and be back in the Condensate recovery device, the heat of steam is fully utilized, can effectively avoid the waste of the energy, the condensed water that the back of steam cooling simultaneously produces can flow in the high-order softened water tank and be utilized again by boiler, water resource also is utilized effectively, reduce the waste of water resource, satisfy energy conservation and environment protection.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, this condensate water flash-off steam use device comprises boiler 8, low level softened water tank 1, high-order softened water tank 5, Condensate recovery device 11 and steam water heater 12, low level softened water tank 1 is connected with high-order softened water tank 5 by elevated tank feed pump 2, and low level softened water tank 1 is provided with normal temperature oxygen-eliminating device 3 with the pipeline that high-order softened water tank 2 is connected.High-order softened water tank 5 is connected with boiler by boiler feed pump 7, and the connecting line of high-order softened water tank and described boiler is provided with temperature detector 6.Condensate recovery device 11 is connected with gas utilization unit 9 by steam trap 10.
High-order softened water tank 5 is connected with the water inlet of steam water heater 12 by a water circulating pump 4, the delivery port of steam water heater 12 is connected with high-order softened water tank 5, the exhaust outlet of Condensate recovery device 11 is connected with the air inlet of steam water heater 12, the condensed water discharge outlet of steam water heater 12 is connected with the water inlet of Condensate recovery device 11, and the delivery port of Condensate recovery device 11 is connected with high-order softened water tank by condensate transfer pump 13.Also be provided with tramp iron separator 14, water quality detection device 16, flowmeter 15 and draining valve 17 on Condensate recovery device and the pipeline that high-order softened water tank is connected.
This condensate water flash-off steam use device in use, running water enters low level softened water tank 1 after softening equipment is handled, by elevated tank feed pump 2 water in the low level softened water tank is being evacuated to high-order softened water tank 5, and carries out deoxygenation by normal temperature oxygen-eliminating device 3 and handle.Water in the high-order softened water tank 5 is delivered to boiler by boiler feed pump 7 and is detected by 6 pairs of water temperatures of temperature detector, crosses the low use that influences boiler to prevent the water temperature.
The condensate water that each gas equipment 9 produces is in steam trap 10 enters Condensate recovery device 11, reason owing to flash-off steam and leakage steam, can gather a large amount of steam in the Condensate recovery device 11, steam enters in the steam water heater 12 through the exhaust outlet of Condensate recovery device 11, soft water in this while high temperature softened water tank 5 is in water circulating pump 4 also enters into steam water heater 12, steam and soft water carry out heat exchange in steam water heater 12, make in the water temperature increase of soft water and the high-order softened water tank of meeting that backflows, steam condenses and forms in condensed water and the flow back into Condensate recovery device simultaneously.Steam carries out heat exchange by this steam water heater 12 and is used for heating soft water, and the heat of steam is fully utilized, and can effectively avoid the waste of the energy.
Condensate water can be evacuated in the high-order softened water tank 5 by condensate transfer pump 13 in the Condensate recovery device 11, satisfy the requirement of boiler soft water for the water quality that makes condensate water, can carry out deironing by 14 pairs of condensate water of tramp iron separator handles, and detect by 16 pairs of condensate water of water quality detection device, detect the flow of condensate water by flowmeter 15, when the more and boiler of condensate water can not use fully, can discharge by draining valve 17.The condensation flow that this system can make steam cooling back produce is utilized again by boiler to high-order softened water tank, water resource also is utilized effectively, thereby effectively reduces the waste of water resource, satisfies energy conservation and environment protection.
More than condensate water flash-off steam use device that the utility model embodiment is provided be described in detail; for one of ordinary skill in the art; thought according to the utility model embodiment; all can change to some extent in specific embodiments and applications; therefore this description only is used in the utility model embodiment is described; should not be construed as restriction of the present utility model, all any changes of being made according to the utility model design philosophy are all within protection domain of the present utility model.