CN204756880U - Drainage system of leakage is not had in separation of high low pressure steam - Google Patents
Drainage system of leakage is not had in separation of high low pressure steam Download PDFInfo
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- CN204756880U CN204756880U CN201520019028.XU CN201520019028U CN204756880U CN 204756880 U CN204756880 U CN 204756880U CN 201520019028 U CN201520019028 U CN 201520019028U CN 204756880 U CN204756880 U CN 204756880U
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- jettron
- steam
- drain trap
- pressure
- power drain
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Abstract
The utility model discloses a drainage system of leakage is not had in separation of high low pressure steam, it sets up on the pipeline between paperboard production line heat dissipation system and constant voltage jar, it includes power drain trap, pressure sensor, temperature sensor, manometer, level sensor, air pressure switch no. 1, air pressure switch no. 2, air pressure switch no. 3 and air pressure switch no. 4 do not have to leak drainage system, pressure sensor temperature sensor with air pressure switch no. 2 all set up in with on the steam conduit that the power drain trap links to each other, level sensor the manometer air pressure switch no. 1 set up in power drain trap upper portion, air pressure switch no. 3 set up in power drain trap middle part, air pressure switch no. 4 set up in the bottom of power drain trap. The utility model discloses the separation of crowning low pressure steam, steam use the back comdenstion water not have the separation dispatch of leaking soda, have reduced steam heating system calorific loss, have improved the availability factor, have reduced manufacturing cost.
Description
Technical field
The utility model relates to field of steam heating device, and a kind of high-low pressure steam being specifically related to use in corrugated board production is separated No leakage draining system.
Background technology
The performances such as corrugated board has light weight, resistance to compression, resistance toly to expose, tear-proof and buffering, shockproof, easy machine-shaping, and can cycling and reutilization, environmentally safe, economic parent just, easily stack, therefore obtain and use widely.Need in corrugated board production process to use a large amount of heat energy to heat the corrugated board on the equipment such as press device, drying plant and modular system.At present, steam-heating system is mainly adopted in the industry to realize heating.
Can produce condensed water and low-pressure steam because steam runs in the duct, therefore this steam-heating system needs to use Automatic steam trap Trap.The basic role of Automatic steam trap Trap is discharged as early as possible at the condensate water in vapour system, air and carbon dioxide; Automatically prevent the leakage of steam to greatest extent simultaneously.Even so, the leakage rate also having 5-8% of Automatic steam trap Trap.Reason is: the draining aperture of each Automatic steam trap Trap is changeless, and vapour system pipeline varying in size everywhere with heat, gather with regard to causing the condensed water in some place and too much have little time to discharge, build-up of pressure container ponding, heat-transfer effect is deteriorated; And the local condensed water of other is less, some vapor is caused to leak.
Especially at same heat supply, when whole line uses, some place needs HTHP; Some places need low-temp low-pressure, thus after causing once (primary) steam to use, occur that water return pipeline back pressure is high, the phenomenon that low voltage section cannot be hydrophobic.Meanwhile, present flowing water all adopts whole line HTHP to bring great destruction to product quality, simultaneously also causes energy profligacy, still need to be separated high-low pressure steam.
Utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of high-low pressure steam and being separated No leakage draining system, with the object reaching energy-saving and emission-reduction, reduce energy consumption, reduce production cost.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of high-low pressure steam is separated No leakage draining system, comprise the boiler, board production heat dissipation system, constant-pressure tank, steam-water separator and the low back pressure recycling machine that are connected by pipeline in turn, it is characterized in that, also comprise No leakage draining system, described No leakage draining system is arranged on the pipeline between described board production heat dissipation system and described constant-pressure tank, described No leakage draining system comprises power drain trap, pressure sensor, temperature sensor, Pressure gauge, liquid level sensor, jettron one, jettron two, jettron three and jettron four, described pressure sensor, described temperature sensor and described jettron two are all arranged on the jet chimney that is connected with described power drain trap, described liquid level sensor, described Pressure gauge, described jettron one is arranged at described power drain trap top, jettron three is arranged in the middle part of described power drain trap, jettron four is arranged at the bottom of described power drain trap.
Preferably, described board production heat dissipation system comprises Corrugator roller, pressure roll and hot plate in turn.Flow to drying cylinder after steam is separated with water again to utilize.
Preferably, described boiler side is also provided with a surge tank, and described constant-pressure tank, described low back pressure recycling machine and described surge tank are equipped with the ftercompction pipeline communicated with boiler.
Preferably, jettron one, jettron two, jettron three and jettron four are equipped with feedback contact.
Preferably, also comprise indirect steam and make full use of system.
Compared with prior art, the utility model has the following advantages:
In the utility model, high-low pressure steam is separated, and therefore, steam achieves No leakage transmission, reduces the thermal loss of steam-heating system, improves service efficiency, reduce production cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only an embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to this accompanying drawing.
Fig. 1 is the structural representation of a kind of high-low pressure steam separation No leakage draining system disclosed in the utility model embodiment 1;
Fig. 2 is the structural representation of the No leakage draining system in Fig. 1.
The component names of numeral in figure:
3. No leakage draining system; 31. power drain traps; 32. pressure sensors; 33. temperature sensors; 34. Pressure gauges; 35. liquid level sensors; 36. jettrons one; 37. jettrons two; 38. jettrons three; 39. jettrons four.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Below in conjunction with embodiment and detailed description of the invention, the utility model is described in further detail.
Embodiment:
As depicted in figs. 1 and 2, a kind of high-low pressure steam is separated No leakage draining system, comprises the boiler, board production heat dissipation system, No leakage draining system 3, constant-pressure tank, steam-water separator and the low back pressure recycling machine that connect via pipeline in turn; Water is inputted boiler heating by feed pump, form the primary steam of high pressure, through Cemented filling in board production heat dissipation system, primary steam becomes the indirect steam of low-pressure water and saturated vapor mixing, and part indirect steam is discharged through the siphon pipe of board production heat dissipation system; Most indirect steam is after No leakage draining system, in input constant-pressure tank, then be separated after drying through steam-water separator, condensed water enters low back pressure recycling machine, steam is then defeated by triple preheating cylinder and is used, and recycles after using through surge tank input boiler again.
Described board production heat dissipation system comprises Corrugator roller, pressure roll and hot plate in turn.Flow to drying cylinder after steam is separated with water again to utilize.
Described boiler side is also provided with a surge tank, and described constant-pressure tank, described low back pressure recycling machine and described surge tank are equipped with the ftercompction pipeline communicated with boiler.
Described No leakage draining system 3 comprises power drain trap 31, pressure sensor 32, temperature sensor 33, Pressure gauge 34, liquid level sensor 35, jettron 1, jettron 2 37, jettron 3 38 and jettron 4 39, described pressure sensor, described temperature sensor and described jettron two are all arranged on the jet chimney that is connected with described power drain trap, described liquid level sensor, described Pressure gauge, described jettron one is arranged at described power drain trap top, jettron three is arranged in the middle part of described power drain trap, jettron four is arranged at the bottom of described power drain trap.And jettron one, jettron two, jettron three and jettron four are equipped with feedback contact.
Operation principle:
Draining action.When liquid level sensor detects that water level is positioned at low level, jettron two is opened, and jettron one, jettron three and jettron four are closed.When liquid level sensor detects that water level reaches meta, time delay 30-100 confirms second, and jettron two cuts out water inlet, and draining opened by jettron three, and when water level falls after rise and sets to low level, jettron three cuts out.As draining opened by jettron three, time at the appointed time as do not reached low liquid level in 2-5 minute, open the nearly steam pressurized of jettron one, when liquid level is for setting value, close jettron one and jettron three simultaneously, open jettron two and reply normal operating conditions.
Protection act 1.When temperature sensor measurement temperature is lower than (usually at 100-140 degree) during setting value, it is gentle that draining opened by jettron two and jettron three, and when rising above setting value, jettron two and jettron three are closed.After opening in jettron two, in official hour, usually at 2-5 minute, heat up when not reaching setting value, just close jettron four; When temperature arrives setting value, open jettron four, close jettron two.
Protection act 2.It is gentle that draining opened by jettron four, when rising above setting, closes jettron three and jettron four simultaneously, reply normal operating conditions.When liquid level sensor sensed water level arrives high-order, time delay 30-100 confirms second, and jettron two cuts out water inlet, and draining opened by jettron four; When water level falls after rise lower than setting value, close jettron four, open jettron two, reply and normally work.
Also comprise indirect steam and make full use of system, its adopt steam negative-pressure ward pump and proportioning valve with the use of, automatically can regulate the magnitude of recruitment of primary steam according to the steam use amount of system.
In the utility model, high-low pressure steam is separated, and therefore, steam achieves No leakage transmission, reduces the thermal loss of steam-heating system, improves service efficiency, reduce production cost.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (5)
1. a high-low pressure steam is separated No leakage draining system, comprise the boiler, board production heat dissipation system, constant-pressure tank, steam-water separator and the low back pressure recycling machine that are connected by pipeline in turn, it is characterized in that, also comprise No leakage draining system, described No leakage draining system is arranged on the pipeline between described board production heat dissipation system and described constant-pressure tank, described No leakage draining system comprises power drain trap, pressure sensor, temperature sensor, Pressure gauge, liquid level sensor, jettron one, jettron two, jettron three and jettron four, described pressure sensor, described temperature sensor and described jettron two are all arranged on the jet chimney that is connected with described power drain trap, described liquid level sensor, described Pressure gauge, described jettron one is arranged at described power drain trap top, jettron three is arranged in the middle part of described power drain trap, jettron four is arranged at the bottom of described power drain trap.
2. a kind of high-low pressure steam according to claim 1 is separated No leakage draining system, and it is characterized in that, described board production heat dissipation system comprises Corrugator roller, pressure roll and hot plate in turn.
3. a kind of high-low pressure steam according to claim 2 is separated No leakage draining system, it is characterized in that, described boiler side is also provided with a surge tank, and described constant-pressure tank, described low back pressure recycling machine and described surge tank are equipped with the ftercompction pipeline communicated with boiler.
4. a kind of high-low pressure steam according to claim 1 is separated No leakage draining system, and it is characterized in that, jettron one, jettron two, jettron three and jettron four are equipped with feedback contact.
5. a kind of high-low pressure steam according to any one of claim 1-4 is separated No leakage draining system, it is characterized in that, also comprises indirect steam and make full use of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520019028.XU CN204756880U (en) | 2015-01-12 | 2015-01-12 | Drainage system of leakage is not had in separation of high low pressure steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520019028.XU CN204756880U (en) | 2015-01-12 | 2015-01-12 | Drainage system of leakage is not had in separation of high low pressure steam |
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| Publication Number | Publication Date |
|---|---|
| CN204756880U true CN204756880U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520019028.XU Active CN204756880U (en) | 2015-01-12 | 2015-01-12 | Drainage system of leakage is not had in separation of high low pressure steam |
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| Country | Link |
|---|---|
| CN (1) | CN204756880U (en) |
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2015
- 2015-01-12 CN CN201520019028.XU patent/CN204756880U/en active Active
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| GR01 | Patent grant |