CN204952475U - Blowback device - Google Patents
Blowback device Download PDFInfo
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- CN204952475U CN204952475U CN201520574711.XU CN201520574711U CN204952475U CN 204952475 U CN204952475 U CN 204952475U CN 201520574711 U CN201520574711 U CN 201520574711U CN 204952475 U CN204952475 U CN 204952475U
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- transferring medium
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- exchanger tube
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Abstract
The utility model relates to a filtration system, in particular to blowback device. To the gas in the present high -temperature gas blowback device storage tank need not appear for a long time cooling, the shared spatial comparison of heater big, the gaseous refluence phenomenon scheduling problem in the storage tank appears, the utility model discloses a blowback device, including intake pipe, gas bag and outlet duct, the inlet end and the intake -tube connection of gas bag, the end of giving vent to anger of gas bag is connected with the outlet duct, sets up the blowback control valve on the outlet duct, is provided with heating device in the gas bag. Can prevent in needs blowback air supply that phenomenon, the shared position of installation that gas temperature is low diminish simple to operate etc..
Description
Technical field
The utility model relates to gas filter system, particularly a kind of back-blowing device of gas filter system.
Background technology
When yellow phosphorus gas filter system runs, cool precipitation for avoiding yellow phosphorus and cause filter core to pollute, the temperature of yellow phosphorus gas preferably controls more than 200 DEG C.Filter after running a period of time, the general blowback air that adopts carries out filter core regeneration to the mode of filter core blowback.For filter core cooling when avoiding blowback and then cause it to pollute, blowback air still needs through heating.Fig. 1 is the structural representation of back-blowing device in current yellow phosphorus gas filter system.As shown in the drawing, purge gas enters heater 2 from air inlet pipe 1, enters in gas bag 3, when needs blowback time, open magnetic valve 4 and namely export high temperature purge gas after heating, and time unwanted, purge gas is just stored in gas bag 3 always.In such scheme, due to the effect of gas bag buffering, the pressure drop that pipe-line system is unexpected can not be caused during blowback, influential system bleed pressure.But the shortcoming of such scheme is: the gas 1, in gas bag 3 need not there will be cooling for a long time; 2, when the supplementary gas of source of the gas is come, the gas backflow that there will be in gas bag 3 returns system; 3, the gas after heating enters gas bag 3 after a segment pipe, the gas temperature in gas bag 3 may be made inadequate, do not reach blowback effect and blowback requirement; 4, heater 2 take up space larger, affect integral arrangement.
Utility model content
The utility model aims to provide a kind of back-blowing device effectively preventing temperature decline in gas bag.
The technical solution adopted in the utility model is: a kind of back-blowing device, comprise air inlet pipe, gas bag and escape pipe, the inlet end of gas bag is connected with air inlet pipe, and the outlet side of gas bag is connected with escape pipe, escape pipe is arranged blowback control valve, in gas bag, be provided with heater.
Here blowback control valve can be magnetic valve.
Further, described heater comprises the heat exchanger tube being arranged in gas bag inner chamber, and one end of heat exchanger tube connects heat transferring medium input unit, and the other end connects heat transferring medium output device.
Heat transferring medium input unit is thermal source, and the thermal source of heat exchanger tube can derive from many places or various ways, equipment produce heat by flowing to heat exchanger tube, heat exchanger tube again by heat delivery in purge gas.
Be further, described heat transferring medium output device comprises heat transferring medium return duct, described heat transferring medium return duct one end connects heat exchanger tube output, the other end connects heat exchanger tube input, heat transferring medium return duct is provided with heat transferring medium input pipe and heat transferring medium discharge pipe, the junction of heat transferring medium input pipe and heat transferring medium return duct, near heat exchanger tube input, heat transferring medium discharge pipe arranges control valve, and the outlet of heat transferring medium input unit connects thermal medium input pipe.
Heat exchanger tube output is connected heat transferring medium return duct, makes the heat energy Reusability in heat exchanger tube.
Further, described heat transferring medium return duct is provided with heater.
Described heater, can for needing the high temperature service of cooling, heat transferring medium return duct is through needing the high temperature service of cooling, not only can improve the temperature of heat transferring medium, the temperature of the high temperature service needing cooling can also be reduced, use the heat transferring medium in heat transferring medium return duct to be cooling medium, put forward high-octane service efficiency.
Further, described heat transferring medium output device comprises boiler, heat transferring medium input unit input heat transferring medium be combustible medium, combustible medium by enter boiler combustion after heat exchanger tube and heat heat transferring medium input unit input heat transferring medium.
Loop not only can arrange heater, from heater, obtain heat, also may be used for burning, the heat exchange heat pipes heat obtained by burning.Heat exchange source can adopt various ways, such as high-temperature steam, and coal gas of high temperature tail gas etc., can solve the high energy consumption that heater brings, and the multiple-effect that also can realize thermal source utilizes.
Further, described heat exchanger tube is provided with heat exchanger fin.
Gas in heat on heat exchanger tube and gas bag energy can well be carried out exchange heat by the heat exchanger fin on heat exchanger tube, because after heat-transfer surface increase, improve the heat exchange efficiency of heat exchanger tube and gas.
Further, described heat exchanger fin is the spiral heat exchanger fin that spiral is arranged on heat exchanger tube.
The heat exchanger fin of helical-ribbon type, heat exchange efficiency is than the finned good effect of heat exchange of general heater, and ribbon can produce flow-disturbing to the gas of flowing, and make that gas is cold and hot to be mixed, the distance that gas flows through also increases, and heats also more abundant.
Further, described heat exchanger tube input is connected with control valve, and escape pipe is provided with the temperature element near gas bag gas outlet, temperature element is connected with control device respectively with control valve.
Compared with the temperature of needs control by the temperature fed back temperature element, the aperture of control valve is regulated to control the amount of the thermal source that heat exchanger tube passes through, make the blowback source of the gas constant temperature entered in gas bag, reach control temperature, meet blowback requirement, can realize constant temperature, can not impact because of too high or too low for temperature to subsequent technique, control device can be PLC control system.
Further, described air inlet pipe arranges check-valves.
After arranging check-valves, after system source of the gas disconnects, gas can not reflux back system, can realize the energy-storage function of gas bag.
Further, escape pipe outlet side connects yellow phosphorus gas filter system.
The beneficial effects of the utility model are:
One, can prevent when needs blowback source of the gas, gas temperature reduces, and does not meet blowback requirement;
Two, after the heating of blowback source of the gas and energy storage integrated, install institute and occupy and diminish, easy for installation, arbitrariness and flexibility strengthen;
Three, after integration, equipment cost totally reduces, also convenient maintenance.
Accompanying drawing explanation
Fig. 1 is current high-temperature gas back-blowing device accompanying drawing;
Fig. 2 is the accompanying drawing of embodiment one;
Fig. 3 is the accompanying drawing of embodiment two;
Fig. 4 is the schematic diagram of gas bag.
Detailed description of the invention
Describe embodiment below in conjunction with accompanying drawing and concrete elaboration is done to the utility model.
Embodiment one: as Fig. 2, the heat transferring medium in the present embodiment is saturated steam, and purge gas is nitrogen, and heater is heat exchanger tube 7, and blowback control valve 4 is magnetic valve.
A kind of yellow phosphorus high temperature back-blowing device, comprise air inlet pipe 1, gas bag 5 and escape pipe 6, the inlet end of gas bag 5 is connected with air inlet pipe 1, the inlet end of air inlet pipe 1 is connected with blowback source of the gas, the outlet side of gas bag 5 is connected with escape pipe 6, the outlet side of escape pipe 6 is connected with yellow phosphorus filtration system, escape pipe 6 is arranged magnetic valve 4, air inlet pipe 1 arranges check-valves 14, heat exchanger tube 7 is set in gas bag 5, heat exchanger tube 7 is through gas bag 5, one end of heat exchanger tube 7 connects heat transferring medium input unit, the other end connects heat transferring medium return duct 73, described heat transferring medium return duct 73 one end connects heat exchanger tube 7 output, the other end connects heat exchanger tube 7 input, heat transferring medium return duct 73 is provided with heat transferring medium input pipe 71 and heat transferring medium discharge pipe 72, the junction of heat transferring medium input pipe 71 and heat transferring medium return duct 73 is near heat exchanger tube 7 input, heat transferring medium discharge pipe 72 arranges control valve, described heat transferring medium return duct 73 one end is connected with heat transferring medium input unit, heat transferring medium input unit is thermal source, heat transferring medium return duct 73 is arranged heater 11, described heater 11 can for needing the high temperature service of cooling, the heat transferring medium in heat transferring medium return duct 73 is used to be cooling medium, not only can improve the temperature of heat transferring medium, the temperature of the high temperature service needing cooling can also be reduced, improve energy utilization rate, arrange spiral heat exchanger fin 8 to be placed in gas bag 5 and to be wound on heat exchanger tube 7, heat exchanger tube 7 is provided with control valve 10, in escape pipe 6, temperature element 9 is set near gas bag 5 place of giving vent to anger, arrange control device 15 to be connected with temperature element 9 and control valve 10, control device 15 can be PLC control system, compared with the temperature of needs control by the temperature fed back temperature element 9, the aperture of control valve 10 is regulated to control the amount of the thermal source that heat exchanger tube 7 passes through, make the blowback source of the gas constant temperature entered in intelligent gas bag 5, reach control temperature, meet blowback requirement, gas in heat on heat exchanger tube 7 and intelligent gas bag 5 can well be carried out exchange heat by the spiral heat exchanger fin 8 on heat exchanger tube 7, because after heat-transfer surface increase, the heat exchange efficiency of heat exchanger tube 7 and gas improves.The point for measuring temperature of temperature element 9 is too far away, and temperature is uncontrollable, as point for measuring temperature can not ensure outlet temperature again in the words of gas bag 5 inside, so be arranged in escape pipe 6 near gas bag 5 place of giving vent to anger for preferably to select.
The thermal source of heat exchanger tube 7 can derive from many places or various ways, heat exchanger tube 7 output is connected heat transferring medium return duct 73, makes the heat energy Reusability in heat exchanger tube 7, allow on loop and heater 11 is set, put forward high-octane service efficiency, thermal source used herein is low flow velocity saturated steam.
Embodiment two: as Fig. 3, with the difference of embodiment one is, described heat transferring medium output device comprises boiler 12, and described boiler 12 is connected with heat transferring medium input unit.Thermal source in the present embodiment is fuel gas, can hot gas can be tail gas etc., and by boiler 12 burning combustible gas, boiler is again to the fuel gas heating entered in air inlet pipe 1.
Claims (10)
1. a back-blowing device, comprise air inlet pipe (1), gas bag (5) and escape pipe (6), the inlet end of gas bag (5) is connected with air inlet pipe (1), the outlet side of gas bag (5) is connected with escape pipe (6), escape pipe (6) is arranged blowback control valve (4), it is characterized in that: in gas bag (5), be provided with heater.
2. a kind of back-blowing device according to claim 1, it is characterized in that: described heater comprises the heat exchanger tube (7) being arranged in gas bag (5) inner chamber, one end of heat exchanger tube (7) connects heat transferring medium input unit, and the other end connects heat transferring medium output device.
3. a kind of back-blowing device according to claim 2, it is characterized in that: described heat transferring medium output device comprises heat transferring medium return duct (73), described heat transferring medium return duct (73) one end connects heat exchanger tube (7) output, the other end connects heat exchanger tube (7) input, heat transferring medium return duct (73) is provided with heat transferring medium input pipe (71) and heat transferring medium discharge pipe (72), the junction of heat transferring medium input pipe (71) and heat transferring medium return duct (73) is near heat exchanger tube (7) input, (72) arrange control valve to heat transferring medium discharge pipe, the outlet of heat transferring medium input unit connects thermal medium input pipe (71).
4. a kind of back-blowing device according to claim 3, is characterized in that: described heat transferring medium return duct (73) is provided with heater (11).
5. a kind of back-blowing device according to claim 2, it is characterized in that: described heat transferring medium output device comprises boiler (12), the heat transferring medium of heat transferring medium input unit input is combustible medium, and combustible medium burns and the heat transferring medium heating the input of heat transferring medium input unit by entering boiler (12) after heat exchanger tube (7).
6. a kind of back-blowing device according to claim 2, is characterized in that: described heat exchanger tube (7) is provided with heat exchanger fin.
7. a kind of back-blowing device according to claim 6, is characterized in that: described heat exchanger fin is the spiral heat exchanger fin (8) that spiral is arranged on heat exchanger tube (7).
8. a kind of back-blowing device according to claim 2, it is characterized in that: described heat exchanger tube (7) input is connected with control valve (10), escape pipe (6) is provided with the temperature element (9) near gas bag (5) gas outlet, temperature element (9) is connected with control device (15) respectively with control valve (10).
9. a kind of back-blowing device according to claim 1, is characterized in that: described air inlet pipe (1) arranges check-valves (14).
10. a kind of back-blowing device according to claim 1, is characterized in that: described escape pipe (6) outlet side connects yellow phosphorus gas filter system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574711.XU CN204952475U (en) | 2015-07-31 | 2015-07-31 | Blowback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574711.XU CN204952475U (en) | 2015-07-31 | 2015-07-31 | Blowback device |
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| Publication Number | Publication Date |
|---|---|
| CN204952475U true CN204952475U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520574711.XU Active CN204952475U (en) | 2015-07-31 | 2015-07-31 | Blowback device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107982967A (en) * | 2017-12-29 | 2018-05-04 | 逸盛大化石化有限公司 | A kind of filter-press blowback air system for reducing product PT acid |
| CN115006939A (en) * | 2022-06-20 | 2022-09-06 | 成都易态科技有限公司 | Electric heating blowing air bag and filter |
-
2015
- 2015-07-31 CN CN201520574711.XU patent/CN204952475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107982967A (en) * | 2017-12-29 | 2018-05-04 | 逸盛大化石化有限公司 | A kind of filter-press blowback air system for reducing product PT acid |
| CN115006939A (en) * | 2022-06-20 | 2022-09-06 | 成都易态科技有限公司 | Electric heating blowing air bag and filter |
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| GR01 | Patent grant |