CN101598327B - Low pressure boiler provided with full-automatic water adding device - Google Patents
Low pressure boiler provided with full-automatic water adding device Download PDFInfo
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- CN101598327B CN101598327B CN 200910098326 CN200910098326A CN101598327B CN 101598327 B CN101598327 B CN 101598327B CN 200910098326 CN200910098326 CN 200910098326 CN 200910098326 A CN200910098326 A CN 200910098326A CN 101598327 B CN101598327 B CN 101598327B
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Abstract
The invention relates to a low pressure boiler provided with a full-automatic water adding device, comprising a boiler body which is provided with a water tower that is internally provided with a water adding tank and a steam-water conversion tank, wherein the lower part of the steam-water conversion tank is provided with a water inlet, the upper part of the water adding tank is provided with a space used for pressurizing and an emptying pipe that us provided with a check valve I, the water adding tank is internally provided with a steam ascending pipe for connecting a steam pipe with the boiler body, and the steam pipe is internally provided with a pressure increasing valve; the bottom of the water adding tank is provided with an outlet, three paths of which are respectively controlled by a water adding valve, a steam-water conversion valve and a cold water adding valve, an excess pressure and heat return water pipe is connected to the bottom of the steam-water conversion tank from the boiler body, and an outlet of the excess pressure and heat return water pipe is provided with a check valve II; a tap water pipeline is connected with the upper part of the water tower, a floating ball controller is installed at an outlet of the tap water pipeline, the boiler body is externally provided with an electric cabinet and a water level controller, and the pressure increasing valve, the water adding valve and the steam-water conversion valve are controlled by the water level controller, a power switch, an operation switch, a small relay and three time relays. The low pressure boiler achieves the aim of adding water without using a pump.
Description
Technical field
The present invention relates to a kind of boiler, refer in particular to a kind of low-pressure boiler with full automatic water filling device.
Background technology
Since Englishman watt has been invented steam engine two for over 100 years more than a hundred years, all boiler fills all are to rely on to accomplish that motor, water pump greater than boiler pressure finish.Along with the fast development of modern industry, not only use steam more wide as the industrial trade of the usefulness of power or heat exchange, the capacity of its boiler is also increasing.Although new and high technology, new material have solved the difficult problems such as powerful motor manufacturing technology and HTHP water pump material, fail to change the method for boiler feedwater, cause the electric pump way of supplying water of boiler to adopt so far always.High-pressure boiler is such as one 100 tons boiler, and the separate unit power of motor of its feed pump just needs 3200 kilowatt hours, and year power consumption is up to more than 20,000,000 degree.As raise power plant for self-supply of subsidiary, four groups of 220 tons of boilers are arranged in running, its surprising feed pump power consumption well imagines, still more large-scale steam power plant, steel mill and even the similar enterprises all over the world in the whole nation, and countless especially at 2 tons, 4 tons, 10 tons miniature boiler of usefulness.
Motor and water pump adds water, and larger drawback is that it can't in time add back boiler with overbottom pressure steam, and when the water temperature that is added reached more than 60 ℃, it was just very difficult to add water, causes the boiler waste of steam rate in use of current every profession and trade generally to reach 10%-15% simultaneously.Although the producer that has takes back the pond with the water return pipeline of boiler, heat is dispersed in to the greatest extent among the standby water in whole pond, round-the-clockly has little significance in heat radiation, only needs the hundreds of jin because add a water." twin-tub " formula waste heat recovery new departure of promoting on the market recently, it utilizes is still high-pressure hydraulic pump and is equipped with heavy-duty motor the hot water of high temperature is clamp-oned the method for boiler firmly, equally not only power consumption but also consume equipment, only water pump quality difference.
Chinese patent once disclosed a kind of steam boiler with external automatic water-feeding device, and (publication number is CN2257351Y, open day 1997.07.02), its automatic watering apparatus is comprised of float tank and valve box, float tank top has the vapor communication pipe to be communicated with pot body top, the bottom has feed pipe to be communicated with pot body bottom, float and float lever are fixed on the action lever of aperture ball-cock assembly, the aperture ball-cock assembly is installed on the interior valve bonnet of valve box, its upper end is set with the rubber removable cover that covers valve bonnet, the screen pack dust excluding hood covers whole aperture ball-cock assembly and valve bonnet, valve box one side has water inlet pipe, and blow-off pipe is arranged at the bottom.Higher when the boiler internal pressure, when water temperature is higher, it is difficult to water is added boiler.
Chinese patent once disclosed a kind of external automatic water-feeding device for boiler, and (publication number is CN2299990Y, open day 1998.12.09), it includes float tank and aperture ball-cock assembly, there are vapor communication pipe, water communicating pipe to link to each other with water storage space with the vapor space of pot body respectively on the float tank, float and float lever are fixed on the action lever of aperture ball-cock assembly, the valve gap profile of aperture ball-cock assembly is ring flange, be screwed on the flange seat of float tank, the water inlet of aperture ball-cock assembly connects running water pipe, and delivery port connects bottom of pot body by feed pipe.Higher when the boiler internal pressure, when water temperature is higher, it also is difficult to water is added boiler.
Chinese patent once disclosed a kind of automatic water feeding device for steam boiler, and (publication number is CN2416353Y, open day 2001.01.24), comprise water storage cavity and the boiler replenishing water pipe that is positioned under the water storage cavity, it is characterized in that water storage cavity top is provided with intake antrum, water storage cavity is communicated with by the water inlet isolating valve with intake antrum, intake antrum chamber wall is provided with water feeding one-way valve, and the intake antrum top is provided with steam valve.It and running water pipe are connected, and need not electric pump, realize automatic watering, but still the overbottom pressure waste heat in time can't be added back boiler.
The applicant once designed a kind of boiler (Chinese patent of built-in semi-automatic water feeding device, publication number is CN2591519Y, open day 2003.12.10), comprise shell, burner hearth, it is characterized in that setting gradually from top to bottom storage tank in the upper part of shell, the preheating water tank, add water tank No. two, add water tank No. one, storage tank communicates with the preheating water tank, by a filler pipe, No. two filler pipes, No. three filler pipes, No. four filler pipes, water inlet pipe, a steam inlet pipe, No. two steam inlet pipes, steam source pipe connects, and often opens control valve by No. one, No. two normally closed control valves, often open control valve No. three, No. four normally closed control valves, often open control valve No. five, No. six normally closed control valves, often open control valve No. seven, No. eight normally closed control valve control.No matter how high its Boiler Furnace internal gas pressure is, all at an easy rate water is added, not only energy-conservation but also easy to operate.Its semi-automatic water feeding device is built-in.
The applicant once designed a kind of condensed water return vapor autogenous pressure water adding device (Chinese patent, publication number is CN2684019Y, open day 2005.03.09) casing is divided into two places, one place is storage tank, place and add water pot at another place, storage tank steam-out (SO) iron steam cleanser condensing water conduit and condensed water check-valves and running water pipe and running water control ball valve, storage tank and add and be connected with blower line between the water pot upper part and often drive solenoid electric valve No. three, be connected with water inlet pipe and water inlet check-valves between the lower position, add the water pot upper part and be connected with steam inlet pipe and normally closed solenoid electric valve that is connected with the boiler gland steam exhauster, lower position is connected with filler pipe and No. two normally closed solenoid electric valves that are connected with the boiler fills mouth, a normally closed solenoid electric valve, No. two normally closed solenoid electric valves, often open the solenoid electric valve connecting power line No. three.It need not high-pressure pump, and no matter the many height of boiler internal pressure also can easily add water in the stove.But find that in actual use the phenomenon of waste is arranged as the vapour source of the usefulness of power.
The applicant once designed a kind of full automatic self pressure water filling device for boiler, (Chinese patent, publication number is CN1858490, open day 2006.11.08), one casing is divided into two parts with fixed head, the bottom is divided into storage tank, place the steam cylinder in the middle of the upper part, steam cylinder both sides are placed with oil storage cylinder and work water pipe, the interface channel of oil storage cylinder and work water pipe is located at the bottom, the oil storage cylinder on the left side is communicated with its top with oil guide pipe with steam cylinder bottom, the oil storage cylinder top on the right is communicated with steam cylinder top, and the steam inner tube is led to the work water pipe, connects two between steam inner tube and the high-pressure steam pipe and opens two pass conversion electromagnetic valves, storage tank top connects running water pipe, place in the middle of the storage tank and add the aqueous vapor cylinder, in the steam cylinder valve piston with add the aqueous vapor cylinder in greatly piston be connected, add that aqueous vapor cylinder one side is equipped with up and down into the water check-valves and opposite side is equipped with up and down and adds Water Check Valve, add Water Check Valve and connect filler pipe, two open two closes the conversion electromagnetic valve back and connects the working steam recovery tube and lead to storage tank.How high the water water temperature no matter it is added is, how high furnace pressure is, equally water added boiler.
Summary of the invention
The object of the invention is to overcome the defects that prior art exists, a kind of low-pressure boiler with full automatic water filling device is provided, how high water temperature much, that added have no matter its furnace pressure has, and all is easy to add water and enters stove.It has saved the expense of motor, high-pressure pump and power consumption, can also in time the overbottom pressure waste heat be added back boiler.
For achieving the above object, the solution that the present invention takes is: a kind of low-pressure boiler with full automatic water filling device, it comprises boiler body, establish water tower on the boiler body, be provided with in the water tower and add water pot and carbonated drink conversion tank, carbonated drink conversion tank bottom has water inlet, adding water pot top leaves supercharging with the space and is provided with evacuated tube, the evacuated tube outlet slightly warps and is equipped with check-valves one, add and be provided with the steam boosting pipe in the water pot, the steam boosting pipe connects steam pipe to boiler body, the mid-pressure charging valve of steam pipe, add the water pot bottom and have outlet, the outlet a-road-through is controlled by priming valve to boiler body, a-road-through is controlled by the carbonated drink switching valve to carbonated drink conversion tank, a-road-through is controlled by adding cold valves to carbonated drink conversion tank, overbottom pressure waste heat return pipe connects to carbonated drink conversion pot bottom from boiler body, overbottom pressure waste heat return pipe exit is equipped with check-valves two, water tower top is connected to water supply pipe, the water supply pipe exit is equipped with float control, the external electric cabinet of boiler body and water level controller, the built-in miniature relay of electric cabinet, first time relay, second time relay, the 3rd time relay, power switch is electrically connected with the running switch, the running switch is electrically connected with water level controller, water level controller is electrically connected with No. 3 contacts of miniature relay, 7 of running switch and first time relay, No. 8 contacts, 7 of second time relay, No. 8 contacts, 7 of the 3rd time relay, No. 8 contacts, pressure charging valve, priming valve, the carbonated drink switching valve is electrically connected, No. 4 contacts of pressure charging valve and first time relay, 1 of second time relay, No. 2 contact is electrically connected, priming valve is electrically connected with No. 3 contacts of second time relay, the carbonated drink switching valve is electrically connected with No. 4 contacts of the 3rd time relay, No. 1 contact of miniature relay is electrically connected with No. 3 contacts of the 3rd time relay, No. 8 contacts of miniature relay are electrically connected with No. 6 contacts of the 3rd time relay, 1 of No. 4 contacts of miniature relay and first time relay, No. 2 contact is electrically connected, 1 of No. 4 contacts of first time relay and second time relay, No. 2 contact is electrically connected 1 of No. 3 contacts of first time relay and the 3rd time relay, No. 2 contact is electrically connected.
Water tower uses as overbottom pressure waste heat recovery tower again, and boiler body is that the pump free dead weight water-adding tank uses as jug again, and carbonated drink conversion tank uses as the waste heat recovery tank again.
During first the use, elder generation manually opens and adds cold valves, and water is completely closed.When the water of water tower to adding the water pot added-time, check-valves one slightly warps when installing, the air of light pressure is discharged automatically.When water level controller drops to the water level of energising, send electricity to miniature relay, miniature relay conducts electricity to first time relay by No. 4 normally open contacts, No. 4 contacts of first time relay send electricity to open pressure charging valve, steam is rapidly to supercharging space supercharging, when the pressure that adds water pot is identical with the boiler body internal pressure, second time relay is adjusted to No. 3 contact energisings (the namely setting of time), priming valve is opened in No. 3 contact energisings of second time relay, at this moment since the identical water of pressure aloft, pressure charging valve continues again to open wide, make to add water pot and boiler body has become same volume, vapour light-water heavy water carries out automatic watering toward lower stream.When all having added boiler body, the water that adds water pot send electricity to the 3rd time relay (determining of time) Timing to the 3 contact energising of first time relay, at this moment pressure charging valve and priming valve Close All add the steam that has become N pressure in the water pot.The 3rd time relay received No. 4 contacts of power supply and opened the carbonated drink switching valve, the steam that adds in the water pot is sent forth in carbonated drink conversion tank rapidly, after pressure has rushed, the hot water auto back of carbonated drink conversion tank is to adding water pot number and having water inlet to continue the cold water in the water tower is added to adding water pot, until full water is to the root of evacuated tube, (stay this supercharging with the space for supercharging) again arranged and do not gone out to air.At this moment the 3rd time relay regulated in No. 3 contacts of energising (determining of time), No. 3 contacts of the 3rd time relay send No. 1 contact work of electricity to miniature relay, when No. 4 contacts of miniature relay one outage oneself power supply just again, so at once recovery.Moment in outage is started anew first time relay, second time relay, the 3rd the whole zero clearings of the time relay.Go round and begin again like this, satisfy until boiler body adds water, the beginning of next round is being waited in the water level controller outage.Overbottom pressure waste heat return pipe and check-valves are installed in the bottom of carbonated drink conversion tank, that is to say first hot water add-back boiler body is avoided heat radiation.
This low-pressure boiler with full automatic water filling device adds the water characteristics: (1) with boiler body as jug, when the pressure that adds water pot is identical with the boiler body internal pressure, second time relay is adjusted to No. 3 contact energisings (the namely setting of time), priming valve is opened in No. 3 contact energisings of second time relay, at this moment since the identical water of pressure aloft, pressure charging valve continues again to open wide, make and add water pot and boiler body has become same volume, utilize the physical principle that the vapour light-water is heavy, Water seeks its own level, realize the purpose of automatic watering.(2) utilize boiler body, add water pot, carbonated drink conversion tank and carry out the carbonated drink conversion, reach continue to add water and not wasted heat finish the program that adds water.No matter it is how high that water temperature much, that added that its furnace pressure has has, all be easy to add water and enter stove.It has saved the expense of motor, high-pressure pump and power consumption, can also in time the overbottom pressure waste heat be added back boiler.
Description of drawings
Fig. 1 is the present embodiment perspective view.
Fig. 2 is present embodiment part-structure schematic diagram.
Fig. 3 is the present embodiment electrical block diagram.
Among the figure: 1, priming valve, 1-1, add cold valves, 2, pressure charging valve, 3, the carbonated drink switching valve, 4, boiler body, 5, water tower, 6, heat shield, 7, add water pot, 8, heat insulation cylinder, 9, pressure inlet, 10, the space is used in supercharging, and 11, evacuated tube, 12, check-valves one, 13, float control, 14, carbonated drink conversion tank, 14-1, hush tube, 15, check-valves two, 16, water inlet, 17, overbottom pressure waste heat return pipe, 18, water supply pipe, 19, manage on the controller, 20, water level controller, 21, water level pipe, 22, electric cabinet, 23, indicator lamp, 24, hinge, 25, door lock, 26, dodge gate, 27, the UPS uninterrupted power source, 28, leakage switch, 29, power switch, 30, backup circuit breaker, 31, the running switch, 32, alarm, 50, miniature relay, 51, the 4th time relay, 52, first time relay, 53, second time relay, 54, the 3rd time relay.
The specific embodiment
Referring to Fig. 1-Fig. 3, a kind of low-pressure boiler with full automatic water filling device, it comprises boiler body 4, establish water tower 5 on the boiler body 4, be provided with in the water tower 5 and add water pot 7 and carbonated drink conversion tank 14, carbonated drink conversion tank 14 bottoms have water inlet 16, adding water pot 7 tops leaves supercharging with space 10 and is provided with evacuated tube 11, evacuated tube 11 outlets slightly warp and are equipped with check-valves 1, add and be provided with steam boosting pipe 9 in the water pot 7, steam boosting pipe 9 connects steam pipe to boiler body 4, the mid-pressure charging valve 2 of steam pipe, add water pot 7 bottoms and have outlet, the outlet a-road-through is controlled by priming valve 1 to boiler body 4, a-road-through is controlled by carbonated drink switching valve 3 to carbonated drink conversion tank 14, a-road-through is controlled by adding cold valves 1-1 to carbonated drink conversion tank 14, overbottom pressure waste heat return pipe 17 connects to carbonated drink conversion tank 14 bottoms from boiler body 4, overbottom pressure waste heat return pipe 17 exits are equipped with check-valves 2 15, water tower 5 tops are connected to water supply pipe 18, water supply pipe 18 exits are equipped with float control 13, boiler body 4 external electric cabinet 22 and water level controllers 20, electric cabinet 22 built-in miniature relays 50, first time relay 52, second time relay 53, the 3rd time relay 54, power switch 29 is electrically connected with running switch 31, running switch 31 is electrically connected with water level controller 20, water level controller 20 is electrically connected with No. 3 contacts of miniature relay 50,7 of running switch 31 and first time relay 52, No. 8 contacts, 7 of second time relay 53, No. 8 contacts, 7 of the 3rd time relay 54, No. 8 contacts, pressure charging valve 2, priming valve 1, carbonated drink switching valve 3 is electrically connected, No. 4 contacts of pressure charging valve 2 and first time relay 52,1 of second time relay 53, No. 2 contact is electrically connected, priming valve 1 is electrically connected with No. 3 contacts of second time relay 53, carbonated drink switching valve 3 is electrically connected with No. 4 contacts of the 3rd time relay 54, No. 1 contact of miniature relay 50 is electrically connected with No. 3 contacts of the 3rd time relay 54, No. 8 contacts of miniature relay 50 are electrically connected with No. 6 contacts of the 3rd time relay 54,1 of No. 4 contacts of miniature relay 50 and first time relay 52, No. 2 contact is electrically connected, 1 of No. 4 contacts of first time relay 52 and second time relay 53, No. 2 contact is electrically connected 1 of No. 3 contacts of first time relay 52 and the 3rd time relay 54, No. 2 contact is electrically connected.
Referring to Fig. 2, described steam boosting pipe 9 outer cover heat insulation cylinders 8.
Referring to Fig. 1 and Fig. 2, the described water pot 7 outer cover heat shields 6 that add.
Referring to Fig. 2, connect on the described water level controller 20 and manage 19 on the controller, lower accepting water position pipe 21, on the controller pipe 19 are connected with water level pipe respectively with boiler body 4 water level being visible glass tubes up and down valve be connected.
Referring to Fig. 2, the described carbonated drink conversion tank 14 interior hush tube 14-1 that arrange, the noise that produces when alleviating the carbonated drink conversion.
Referring to Fig. 1, described boiler body 4 arranges dodge gate 26 by hinge 24, and dodge gate 26 is with door lock 25, and dodge gate 26 arranges indicator lamp 23.
Referring to Fig. 1, described boiler body 4 built-in UPS uninterrupted power sources 27 do not cut off the power supply when guaranteeing to move.
Referring to Fig. 1 and Fig. 3, described electric cabinet 22 is built-in the 4th time relay 51 also, 7, No. 8 contacts of the 4th time relay 51 are electrically connected with 7, No. 8 contacts, the running switch 31 of 7, No. 8 contacts of 7, No. 8 contacts of the 3rd time relay 54, second time relay 53, first time relay 52,1, No. 2 contact of the 4th time relay 51 is electrically connected with No. 3 contacts of water level controller 20, miniature relay 50, and 3, No. 6 contacts of the 4th time relay 51 are electrically connected with alarm 32.When the 4th time relay 51 sent power supply here from receiving water level controller 20, time-delay is not reported to the police if carry out when adding water within this phase to once adding the satisfied whole time of water.
Referring to Fig. 1 and Fig. 3, described electric cabinet 22 is built-in leakage switch 28 also, and leakage switch 28 is prepended to power switch 29, reaches earth leakage protective purpose.
Referring to Fig. 1 and Fig. 3, described electric cabinet 22 is built-in backup circuit breaker 30 also, and backup circuit breaker 30 is electrically connected with power switch 29, can enable pump water adding for subsequent use if occur can not automatic watering the time.
Referring to Fig. 1, described power switch 29, running switch 31, backup circuit breaker 30 are arranged in the dodge gate 26 convenient operation.
Claims (10)
1. low-pressure boiler with full automatic water filling device, it comprises boiler body (4), it is characterized in that: establish water tower (5) on the boiler body (4), be provided with in the water tower (5) and add water pot (7) and carbonated drink conversion tank (14), carbonated drink conversion tank (14) bottom has water inlet (16), adding water pot (7) top leaves supercharging with space (10) and is provided with evacuated tube (11), evacuated tube (11) outlet slightly warps and is equipped with check-valves one (12), add and be provided with steam boosting pipe (9) in the water pot (7), steam boosting pipe (9) connects steam pipe to boiler body (4), the mid-pressure charging valve of steam pipe (2), add water pot (7) bottom and have outlet, the outlet a-road-through is controlled by priming valve (1) to boiler body (4), a-road-through is changed tank (14) to carbonated drink and is controlled by carbonated drink switching valve (3), a-road-through is changed tank (14) by adding cold valves (1-1) control to carbonated drink, overbottom pressure waste heat return pipe (17) connects to carbonated drink conversion tank (14) bottom from boiler body (4), overbottom pressure waste heat return pipe (17) exit is equipped with check-valves two (15), water tower (5) top is connected to water supply pipe (18), water supply pipe (18) exit is equipped with float control (13), the external electric cabinet of boiler body (4) (22) and water level controller (20), the built-in miniature relay of electric cabinet (22) (50), first time relay (52), second time relay (53), the 3rd time relay (54), power switch (29) is electrically connected with running switch (31), running switch (31) is electrically connected with water level controller (20), water level controller (20) is electrically connected with No. 3 contacts of miniature relay (50), running switch (31) and 7 of first time relay (52), No. 8 contacts, 7 of second time relay (53), No. 8 contacts, 7 of the 3rd time relay (54), No. 8 contacts, pressure charging valve (2), priming valve (1), carbonated drink switching valve (3) is electrically connected, No. 4 contacts of pressure charging valve (2) and first time relay (52), 1 of second time relay (53), No. 2 contact is electrically connected, priming valve (1) is electrically connected with No. 3 contacts of second time relay (53), carbonated drink switching valve (3) is electrically connected with No. 4 contacts of the 3rd time relay (54), No. 1 contact of miniature relay (50) is electrically connected with No. 3 contacts of the 3rd time relay (54), No. 8 contacts of miniature relay (50) are electrically connected with No. 6 contacts of the 3rd time relay (54), 1 of No. 4 contacts of miniature relay (50) and first time relay (52), No. 2 contact is electrically connected, 1 of No. 4 contacts of first time relay (52) and second time relay (53), No. 2 contacts are electrically connected, 1 of No. 3 contacts of first time relay (52) and the 3rd time relay (54), No. 2 contact is electrically connected.
2. the low-pressure boiler with full automatic water filling device according to claim 1 is characterized in that: described steam boosting pipe (9) outer cover heat insulation cylinder (8).
3. the low-pressure boiler with full automatic water filling device according to claim 1 is characterized in that: described water pot (7) the outer cover heat shield (6) that adds.
4. the low-pressure boiler with full automatic water filling device according to claim 1, it is characterized in that: connect on the controller pipe (19), lower accepting water position pipe (21) on the described water level controller (20), pipe (19) is connected 21 with water level pipe on the controller) respectively with boiler body (4) water level being visible glass tube about valve be connected.
5. the low-pressure boiler with full automatic water filling device according to claim 1 is characterized in that: in the described carbonated drink conversion tank (14) hush tube (14-1) is set.
6. the low-pressure boiler with full automatic water filling device according to claim 1, it is characterized in that: described boiler body (4) arranges dodge gate (26) by hinge (24), dodge gate (26) is with door lock (25), and dodge gate (26) arranges indicator lamp (23).
7. the low-pressure boiler with full automatic water filling device according to claim 1 is characterized in that: the built-in UPS uninterrupted power source of described boiler body (4) (27).
8. the low-pressure boiler with full automatic water filling device according to claim 1, it is characterized in that: described electric cabinet (22) is built-in the 4th time relay (51) also, 7 of the 4th time relay (51), 7 of No. 8 contacts and the 3rd time relay (54), No. 8 contacts, 7 of second time relay (53), No. 8 contacts, 7 of first time relay (52), No. 8 contacts, running switch (31) is electrically connected, 1 of the 4th time relay (51), No. 2 contacts and water level controller (20), No. 3 contacts of miniature relay (50) are electrically connected 3 of the 4th time relay (51), No. 6 contact is electrically connected with alarm (32).
9. the low-pressure boiler with full automatic water filling device according to claim 1, it is characterized in that: described electric cabinet (22) is built-in leakage switch (28) also, and leakage switch (28) is prepended to power switch (29).
10. the low-pressure boiler with full automatic water filling device according to claim 1, it is characterized in that: described electric cabinet (22) is built-in backup circuit breaker (30) also, backup circuit breaker (30) is electrically connected with power switch (29), and power switch (29), running switch (31), backup circuit breaker (30) are arranged in the dodge gate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910098326 CN101598327B (en) | 2009-05-04 | 2009-05-04 | Low pressure boiler provided with full-automatic water adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910098326 CN101598327B (en) | 2009-05-04 | 2009-05-04 | Low pressure boiler provided with full-automatic water adding device |
Publications (2)
| Publication Number | Publication Date |
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| CN101598327A CN101598327A (en) | 2009-12-09 |
| CN101598327B true CN101598327B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910098326 Expired - Fee Related CN101598327B (en) | 2009-05-04 | 2009-05-04 | Low pressure boiler provided with full-automatic water adding device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB157024A (en) * | 1920-04-20 | 1921-01-20 | Walter William Davin | Improvements in boiler feed water apparatus |
| US1699997A (en) * | 1927-03-28 | 1929-01-22 | Simmons Leo | Automatic water supply for low-pressure steam boilers |
| CN2208168Y (en) * | 1994-12-14 | 1995-09-20 | 梁华军 | Automatic water-feeding device of steam boiler |
| CN2427732Y (en) * | 2000-04-14 | 2001-04-25 | 张计财 | Automatic hot water feeding type boiler |
| CN2913853Y (en) * | 2006-06-05 | 2007-06-20 | 陈光焕 | Full-automatic self-pressurized water feeder for boilers |
| CN201412825Y (en) * | 2009-05-04 | 2010-02-24 | 陈光焕 | Low-pressure boiler with full automatic water filling device |
-
2009
- 2009-05-04 CN CN 200910098326 patent/CN101598327B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB157024A (en) * | 1920-04-20 | 1921-01-20 | Walter William Davin | Improvements in boiler feed water apparatus |
| US1699997A (en) * | 1927-03-28 | 1929-01-22 | Simmons Leo | Automatic water supply for low-pressure steam boilers |
| CN2208168Y (en) * | 1994-12-14 | 1995-09-20 | 梁华军 | Automatic water-feeding device of steam boiler |
| CN2427732Y (en) * | 2000-04-14 | 2001-04-25 | 张计财 | Automatic hot water feeding type boiler |
| CN2913853Y (en) * | 2006-06-05 | 2007-06-20 | 陈光焕 | Full-automatic self-pressurized water feeder for boilers |
| CN201412825Y (en) * | 2009-05-04 | 2010-02-24 | 陈光焕 | Low-pressure boiler with full automatic water filling device |
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| Publication number | Publication date |
|---|---|
| CN101598327A (en) | 2009-12-09 |
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