CN210119008U - Vacuum boiler - Google Patents
Vacuum boiler Download PDFInfo
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- CN210119008U CN210119008U CN201920930879.8U CN201920930879U CN210119008U CN 210119008 U CN210119008 U CN 210119008U CN 201920930879 U CN201920930879 U CN 201920930879U CN 210119008 U CN210119008 U CN 210119008U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The utility model discloses a vacuum boiler, which comprises a boiler body, wherein water is filled in the boiler body, a boiler liner is arranged in the boiler body, a burner is arranged on the boiler body, a heat exchange pipeline is arranged in the boiler body, and the heat exchange pipeline is fixedly communicated with a smoke exhaust pipe penetrating out of the boiler body; the furnace body is communicated with a heat exchange cylinder body, a heating pipe is arranged in the heat exchange cylinder body, the two ends of the heating pipe are respectively communicated with a water return connector and a water outlet connector, the heat exchange pipeline comprises a light pipe connected with a furnace liner and a threaded smoke pipe connected with the light pipe, the threaded smoke pipe is connected to one end, back to the light pipe, of the end connected with the furnace liner, the tail end of the threaded smoke pipe is communicated with a condensation box, the condensation box is arranged at one end, back to a combustor, of the furnace body, a condenser is arranged in the condensation box, a smoke exhaust pipe is fixed in the condensation box, a smoke outer circulation system communicated with the combustor. The utility model discloses when having boiler work unusual, the relief valve can be opened rapidly, ensures the effect of boiler safe operation.
Description
Technical Field
The utility model belongs to the technical field of the boiler technique and specifically relates to a vacuum boiler is related to.
Background
The vacuum hot water boiler is a new-generation hot water device, changes the traditional boiler mode, integrates a boiler, a heater, a heat exchanger and a vacuum pump into a whole, and is a hot water device taking oil, natural gas and the like as energy sources. The vacuum hot water boiler utilizes the physical characteristics of water with different boiling points under different air pressures.
The heat supply process of the vacuum hot water boiler comprises the following steps: the method comprises the steps of injecting quantitative high-purity water which is a heat medium into a closed furnace body of a vacuum hot water boiler, reducing the air pressure in the boiler to be lower than the atmospheric pressure by a vacuum pump, heating water in the boiler by a heater to a boiling point corresponding to the atmospheric pressure, reheating the water, absorbing heat of the water, namely vaporizing the water to generate negative pressure steam, releasing heat of the steam on a heat exchanger in the boiler body, heating cold water flowing in the heat exchanger to raise the temperature for use, condensing the steam into water drops to return to the water after releasing the heat, heating and vaporizing the water in the boiler body at the same temperature, condensing and heating the steam, and continuously circulating the steps to supply required hot water.
Chinese utility model patent with publication number CN202734219U discloses a vacuum phase-change hot water boiler, including the drum, drum upper portion is fixed with the heat exchanger barrel, and the both ends of heat exchanger barrel are fixed with the heat exchanger curb plate, and the heat exchanger barrel internal fixation has the heat exchanger, and the tube socket is linked together with the upper portion of heat exchanger barrel. Two heat exchangers are fixed in the heat exchanger cylinder. The utility model discloses a structure about heat exchanger barrel and boiler barrel are, through not having the stay connected mode, the heat exchanger barrel of higher authority and the boiler barrel butt joint below can make the heat transfer area of boiler strengthen, and negative pressure steam chamber space grow makes the heat exchanger can obtain the most effectual heat transfer, and lower boiler barrel is the boiler heated portion, fully absorbs fuel heat energy, and the built-in one of heat exchanger barrel or two above heat exchangers guarantees that negative pressure steam chamber volume is great, makes the heat exchanger can fully exchange heat.
The above prior art solutions have the following drawbacks: the principle of the safety device is that a low-melting-point metal plate is arranged at the top of the boiler, the melting point is 100-108 ℃, when the temperature of the steam in the boiler body reaches or exceeds 100 ℃, metal melting and blasting are performed, the steam in the boiler body is flushed out of the boiler body through broken holes, the air pressure in the boiler body is reduced, and safety protection is performed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum boiler, when it has boiler work anomaly, the relief valve can be opened rapidly, ensures the effect of boiler safe operation.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a vacuum boiler comprises a boiler body, wherein water is filled in the boiler body, a boiler liner is arranged in the boiler body, a burner communicated with one end of the boiler liner is arranged on the boiler body, a heat exchange pipeline fixed and communicated with the boiler liner is arranged in the boiler body, and a smoke exhaust pipe penetrating out of the boiler body is fixedly communicated with the heat exchange pipeline; the improved boiler comprises a boiler body, and is characterized in that a heat exchange barrel is communicated with the boiler body, a heating pipe is arranged in the heat exchange barrel, two ends of the heating pipe are respectively communicated with a water return connector and a water outlet connector, the heat exchange pipeline comprises a light pipe connected with a boiler liner and a threaded smoke pipe connected with the light pipe, the threaded smoke pipe is connected to one end, connected with the light pipe and the boiler liner, of the light pipe, the tail end of the threaded smoke pipe is communicated with a condensation box, the condensation box is arranged at one end, opposite to a burner, of the boiler body, a condenser is arranged in the condensation box, the upper end of the condenser is communicated with a first connector extending out of the boiler body, the lower end of the condenser is communicated with a second connector extending out of the boiler body, a smoke exhaust pipe is fixed in the condensation box.
By adopting the technical scheme, the burner sprays flame to burn in the furnace pipe, so that water in the furnace body is heated, the burned flue gas in the furnace pipe sequentially passes through the light pipe and the threaded smoke pipe to heat the water in the furnace body, the flue gas in the heat exchange pipeline enters the condensing box to heat the water in the condensing box, the water enters the condensing box from the first joint, the water in the condensing box flows out from the second joint, the water flowing out from the second joint enters the heating pipe through the water return joint, the negative pressure steam in the heat exchange cylinder is liquefied on the outer side surface of the heating pipe into liquid which drops into the furnace body to heat the heating pipe, the temperature of the water in the heating pipe is increased, and the water in the heating pipe flows out from the water outlet joint to realize the heating of the furnace body;
the flue gas external circulation system can absorb part of the flue gas in the condensing box to enter the combustion chamber, so that the content of nitrogen in the discharged waste gas is reduced;
the gravity type safety valve is a mechanical device, can be quickly opened when meeting an unconventional condition, has stable mechanical opening effect, and ensures the safe operation of the boiler.
The utility model discloses further set up to: the gravity type safety valve comprises an outer pipe which is fixed on the heat exchange cylinder and communicated with the inner cavity of the heat exchange cylinder, the axis of the outer pipe is along the vertical direction, a flange plate is fixedly arranged at one end of the outer pipe, which is back to the heat exchange cylinder, and a guide rod is fixedly arranged on the flange plate; the inner cavity of one end of the outer tube, which is back to the heat exchange barrel, is provided with a sealing shaft, one end of the sealing shaft, which extends out of the outer tube, is fixedly provided with a gravity block, the gravity block penetrates through the guide rod, and the gravity block is pressed against the end face of the outer tube, which is back to the heat exchange barrel.
By adopting the technical scheme, when the action of gas in the heat exchange cylinder body received by the gravity block is greater than the action force of the gravity block along the axis direction of the guide rod, the gravity block moves to drive the sealing shaft to move along the inner side surface of the outer pipe until the sealing shaft is moved out of the outer pipe, the gravity type safety valve is opened, and the valve is quickly opened, mechanically opened and stably opened.
The utility model discloses further set up to: and a chamfer is arranged at one end of the sealing shaft, which is back to the gravity block.
Through adopting above-mentioned technical scheme, the setting of chamfer is convenient for the sealed axle and is inserted in the outer tube when removing along guide bar axis direction.
The utility model discloses further set up to: the gravity block is provided with a yielding hole, a limiting screw rod penetrates through the yielding hole and is fixed on the heat exchange barrel, and a limiting nut is in threaded connection with the limiting screw rod.
Through adopting above-mentioned technical scheme, with stop nut and stop screw threaded connection, when the effect of the internal gas of heat transfer cylinder that receives of gravity piece removed along the guide bar axis direction, stop nut can restrict the displacement range of gravity piece, avoids the condition emergence that gravity piece and guide bar break away from.
The utility model discloses further set up to: the sealing shaft is sleeved with a heat-resistant sealing gasket, and the heat-resistant sealing gasket is tightly pressed on the surface of the gravity block opposite to the outer pipe.
Through adopting above-mentioned technical scheme, heat-resisting sealed pad can improve sealed axle, the sealed effect of gravity piece to the outer pipe, improves the work precision of relief valve.
The utility model discloses further set up to: and the gravity block is tightly pressed and connected with a plurality of adjusting blocks by using screws.
Through adopting above-mentioned technical scheme, can adjust the gravity of regulating block through the quantity of adjustment regulating block to the opening pressure of adjustment valve, when the guide bar can not keep vertical simultaneously, can adjust the effort of gravity piece along vertical guide bar axis direction through the quantity of adjusting the gravity piece, thereby ensure that valve pressure is suitable.
The utility model discloses further set up to: mirror aluminum foil is pasted on the surface of the inner cavity of the furnace body, and a heat preservation rock wool board is arranged between the aluminum foil and the inner wall of the furnace body.
Through adopting above-mentioned technical scheme, the setting of aluminium foil can reduce the heat radiation of liquid in the furnace body, and the heat preservation rock wool board can reduce the heat-conduction of liquid in the furnace body, improves furnace body heat preservation effect, reduces furnace body calorific loss.
The utility model discloses further set up to: the furnace body is communicated with a sewage discharge joint.
By adopting the technical scheme, after the pollution discharge joint is opened, partial sewage in the furnace body can flow out of the furnace body, so that the quality of water in the furnace body is improved, and the corrosion of the water in the furnace body to the boiler is delayed.
To sum up, the beneficial effects of the utility model are that:
1. the burner sprays flame to burn in the furnace pipe, so that water in the furnace body is heated, the burned flue gas in the furnace pipe sequentially passes through the light pipe and the threaded smoke pipe to heat the water in the furnace body, the flue gas in the heat exchange pipeline enters the condensing box to heat the water in the condensing box, the water enters the condensing box from the first joint, the water in the condensing box flows out from the second joint, the water flowing out from the second joint enters the heating pipe through the water return joint, negative pressure steam in the heat exchange cylinder is liquefied into liquid on the outer side surface of the heating pipe and drops into the furnace body to heat the heating pipe, the temperature of the water in the heating pipe is improved, and the water in the heating pipe flows out from the water outlet joint to realize the heating of the furnace body;
the flue gas external circulation system can absorb part of the flue gas in the condensing box to enter the combustion chamber, so that the content of nitrogen in the discharged waste gas is reduced;
the gravity type safety valve is a mechanical device, can be quickly opened when meeting an unconventional condition, has stable mechanical opening effect, and ensures the safe operation of the boiler.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
fig. 2 is a schematic cross-sectional view of a gravity type safety valve according to an embodiment.
In the figure, 11, a furnace body; 12. a furnace pipe; 13. a burner; 14. a heat preservation rock wool board; 15. mirror aluminum foil; 16. a blowdown joint; 17. a pressure gauge joint; 18. a water inlet joint; 21. a heat exchange cylinder; 22. heating a tube; 23. a water return joint; 24. a water outlet joint; 3. a heat exchange conduit; 31. a light pipe; 32. a threaded smoke tube; 33. a condenser tank; 331. a condenser; 332. a first joint; 333. a second joint; 4. a smoke exhaust pipe; 5. a flue gas external circulation system; 6. a gravity type safety valve; 61. an outer tube; 62. a flange plate; 63. a guide bar; 64. a seal shaft; 65. a gravity block; 651. an adjusting block; 66. a limit screw; 661. a limit nut; 67. a heat-resistant gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1, for the utility model discloses a vacuum boiler, including furnace body 11, 11 inner chamber surface subsides of furnace body apply heat preservation rock wool board 14, and heat preservation rock wool board 14 heat resistance is strong, thermal-insulated coefficient is big, and heat preservation rock wool board 14 can reduce the heat conduction between 11 insides of furnace body, has laid one deck mirror surface aluminium foil 15 on the medial surface of 11 inner walls of furnace body dorsad heat preservation rock wool board 14, and mirror surface aluminium foil 15 can reduce the heat radiation of 11 inner chamber high temperature liquid of furnace body.
Referring to fig. 1, the bottom end of the furnace body 11 is communicated with a sewage connector 16, the sewage connector 16 is communicated with a valve for controlling the opening and closing of the sewage connector 16, a small amount of calcium and magnesium ion precipitates are generated after part of water in the furnace body 11 is heated, and part of sewage in the furnace body 11 flows out of the furnace body 11 after the sewage connector 16 is opened, so that the quality of the water in the furnace body 11 is improved, and the corrosion of the water in the furnace body 11 to a boiler is delayed.
Referring to fig. 1, a circular tube type furnace pipe 12 is arranged in the furnace body 11, a burner 13 communicated with one end of the furnace pipe 12 is fixedly arranged on the furnace body 11, a back combustion chamber communicated with the inner cavity of the furnace pipe 12 is integrally arranged at one end of the furnace pipe 12, which is back to the burner 13, the back combustion chamber is a cylindrical shell with an inner diameter larger than that of the furnace pipe 12, and a circular hole with the same inner diameter as that of the furnace pipe 12 is arranged on the end surface of the back combustion chamber facing the furnace pipe 12.
Referring to fig. 1, a heat exchange pipeline 3 is fixed in a furnace body 11, the surface of the heat exchange pipeline is connected with a combustion chamber and a furnace pipe 12, the heat exchange pipeline 3 is communicated with the inner cavity of the combustion chamber, the heat exchange pipeline 3 comprises a light pipe 31 welded with the furnace pipe 12, the axis of the light pipe 31 is parallel to the axis of the furnace body 11, a plurality of light pipes 31 are arranged on the surface of the combustion chamber connected with the furnace pipe 12, and the light pipes 31 are made of 304 stainless steel pipes. The furnace body 11 is provided with a heat exchange box, the heat exchange box is fixed on the side wall of the furnace body 11 provided with the burner 13, the heat exchange box is communicated with the inner cavity of the light pipe 31, the heat exchange pipeline 3 comprises a threaded smoke pipe 32 which is fixed on the heat exchange box and is positioned in the furnace body 11, the axis of the threaded smoke pipe 32 is parallel to the axis of the light pipe 31, and a plurality of threaded smoke pipes 32 are arranged in the furnace body 11 at intervals.
Referring to fig. 1, one end of the threaded smoke pipe 32 facing away from the heat exchange box is communicated with a condensing box 33 fixed on the furnace body 11, the condensing box 33 is located at one end of the flashback chamber facing away from the furnace pipe 12, and one end of the condensing box 33 facing away from the flashback chamber is located outside the furnace body 11. A condenser 331 is arranged in the condensing box 33, the upper end of the condenser 331 is communicated with a first joint 332 extending out of the furnace body 11, the lower end of the condensing box 33 is communicated with a second joint 333 extending out of the furnace body 11, and a smoke exhaust pipe 4 communicated with the inner cavity of the heat exchange pipeline 3 and penetrating out of the furnace body 11 is fixed on the heat exchange pipeline.
Referring to fig. 1, a flue gas external circulation system 5 communicated with the burner 13 is provided in the condensation tank 33. The flue gas external circulation system 5 comprises a gas suction pipe positioned in the condensation box 33, and a communicating pipe for conveying part of the waste gas to the combustor 13 is communicated with the gas suction pipe.
Referring to fig. 1, the upper end of the furnace body 11 is communicated with a heat exchange cylinder 21, an opening is formed in one end, facing the furnace body 11, of the heat exchange cylinder 21, a plurality of heating pipes 22 are arranged in the heat exchange cylinder 21 at intervals, two ends of each heating pipe 22 extend out of the heat exchange cylinder 21, two ends of each heating pipe 22 are respectively communicated with a water return box and a water outlet box, the water return box and the water outlet box are fixed outside the heat exchange cylinder 21, the water return box is communicated with a water return connector 23, and the water outlet box is communicated with a water outlet connector 24.
Referring to fig. 1, a gravity type safety valve 6 is fixed at the upper end of the side surface of the heat exchange cylinder 21. The pressure gauge connector 17 is fixed at the upper end of the side surface of the heat exchange cylinder 21, the water inlet connector 18 is fixed at the upper end of the side surface of the heat exchange cylinder 21, and the water inlet connector 18 is communicated with a valve for controlling the opening and closing of the water inlet connector 18.
Referring to fig. 2, the gravity type safety valve 6 includes an outer tube 61 fixed to the heat exchange cylinder 21 and communicated with the inner cavity of the heat exchange cylinder 21, the axis of the outer tube 61 is along the vertical direction, a flange 62 is integrally arranged at one end of the outer tube 61, which is away from the heat exchange cylinder 21, and a guide rod 63, the axis of which is parallel to the axis of the outer tube 61, is welded on the flange 62.
Referring to fig. 2, one end of the inner cavity of the outer tube 61, which faces away from the heat exchange cylinder 21, is provided with a sealing shaft 64, the outer side surface of the sealing shaft 64 abuts against the inner side surface of the outer tube 61, one end of the sealing shaft 64, which extends out of the outer tube 61, is connected with a gravity block 65 through a thread, an external thread is arranged on the outer side of one end of the sealing shaft 64, which extends out of the outer tube 61, and an internal thread hole corresponding to the sealing. The weight block 65 passes through the guide bar 63. The sealing shaft 64 is externally sleeved with a heat-resistant sealing gasket 67, and the heat-resistant sealing gasket 67 is tightly pressed on the surface of the gravity block 65 opposite to the outer pipe 61.
Referring to fig. 2, the gravity block 65 is provided with a yielding hole, a limiting screw 66 penetrates through the yielding hole, the limiting screw 66 is fixed on the heat exchange cylinder 21, and the limiting screw 66 is connected with a limiting nut 661 through threads.
Referring to fig. 2, the limit nut 661 is in threaded connection with the limit screw 66, and when the gravity block 65 moves along the axial direction of the guide rod 63 under the action of the gas in the heat exchange cylinder 21, the limit nut 661 can limit the moving range of the gravity block 65, thereby preventing the gravity block 65 from being separated from the guide rod 63.
Referring to fig. 2, a plurality of adjusting blocks 651 are attached to the weight block 65 by pressing with screws, and the mass of each adjusting block 651 is the same.
The implementation principle of the above embodiment is as follows:
the burner 13 sprays flame into the furnace pipe 12 to burn, so as to heat water in the furnace body 11, the flue gas after burning in the furnace pipe 12 sequentially passes through the light pipe 31 and the threaded smoke pipe 32 to heat the water in the furnace body 11, the flue gas in the heat exchange pipeline 3 enters the condensing box 33 to heat the water in the condensing box 33, the water enters the condensing box 33 from the first connector 332, the water in the condensing box 33 flows out from the second connector 333, the water flowing out from the second connector 333 enters the heating pipe 22 through the water return connector 23, the negative pressure steam in the heat exchange cylinder 21 is liquefied on the outer side surface of the heating pipe 22 to form liquid which drops into the furnace body 11 to heat the heating pipe 22, so as to improve the temperature of the water in the heating pipe 22, and the water in the heating pipe 22 flows out from the water outlet connector 24 to realize the heating of the furnace body 11;
the flue gas external circulation system 5 can absorb part of the flue gas in the condensing box 33 to enter the combustion chamber, so that the content of nitrogen in the discharged waste gas is reduced;
when the action of the gas in the heat exchange cylinder 21 on the gravity block 65 is greater than the action force of the gravity block 65 along the axial direction of the guide rod 63, the gravity block 65 moves to drive the sealing shaft 64 to move along the inner side surface of the outer tube 61 until the sealing shaft 64 is moved out of the outer tube 61, the gravity type safety valve 6 is opened, and the valve is quickly opened, mechanically opened and stably opened.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. A vacuum boiler comprises a boiler body (11), wherein water is filled in the boiler body (11), a boiler liner (12) is arranged in the boiler body (11), a burner (13) communicated with one end of the boiler liner (12) is arranged on the boiler body (11), a heat exchange pipeline (3) fixed and communicated with the boiler liner (12) is arranged in the boiler body (11), and a smoke exhaust pipe (4) penetrating out of the boiler body (11) is fixedly communicated with the heat exchange pipeline (3); the furnace body (11) is communicated with a heat exchange cylinder (21), a heating pipe (22) is arranged in the heat exchange cylinder (21), and two ends of the heating pipe (22) are respectively communicated with a water return connector (23) and a water outlet connector (24), and the furnace is characterized in that: the heat exchange pipeline (3) comprises a light pipe (31) connected with the furnace pipe (12) and a threaded smoke pipe (32) connected with the light pipe (31), the screwed smoke pipe (32) is connected with one end of the light pipe (31) back to the connection of the light pipe (31) and the furnace pipe (12), the tail end of the threaded smoke pipe (32) is communicated with a condensing box (33), the condensing box (33) is arranged at one end of the furnace body (11) back to the combustor (13), a condenser (331) is arranged in the condensation tank (33), the upper end of the condenser (331) is communicated with a first joint (332) extending out of the furnace body (11), the lower end of the condenser (331) is communicated with a second joint (333) extending out of the furnace body (11), the smoke exhaust pipe (4) is fixed on the condensing box (33), a smoke outer circulation system (5) communicated with the combustor (13) is arranged in the condensing box (33), and the gravity type safety valve (6) is arranged on the heat exchange cylinder (21).
2. The vacuum boiler according to claim 1, characterized in that: the gravity type safety valve (6) comprises an outer pipe (61) which is fixed on the heat exchange cylinder body (21) and communicated with the inner cavity of the heat exchange cylinder body (21), the axis of the outer pipe (61) is along the vertical direction, a flange plate (62) is fixedly arranged at one end of the outer pipe (61) back to the heat exchange cylinder body (21), and a guide rod (63) is fixedly arranged on the flange plate (62); the inner cavity of one end of the outer tube (61), which is back to the heat exchange cylinder (21), is provided with a sealing shaft (64), one end of the sealing shaft (64), which extends out of the outer tube (61), is fixedly provided with a gravity block (65), the gravity block (65) penetrates through the guide rod (63), and the gravity block (65) is pressed against the end face of the outer tube (61), which is back to the heat exchange cylinder (21).
3. The vacuum boiler according to claim 2, characterized in that: and one end of the sealing shaft (64) back to the gravity block (65) is provided with a chamfer.
4. The vacuum boiler according to claim 2, characterized in that: the heat exchange tube is characterized in that a yielding hole is formed in the gravity block (65), a limiting screw rod (66) penetrates through the yielding hole, the limiting screw rod (66) is fixed on the heat exchange tube body (21), and a limiting nut (661) is connected to the limiting screw rod (66) through threads.
5. The vacuum boiler according to claim 2, characterized in that: the sealing shaft (64) is sleeved with a heat-resistant sealing gasket (67), and the heat-resistant sealing gasket (67) is tightly pressed on the surface of the gravity block (65) opposite to the outer pipe (61).
6. The vacuum boiler according to claim 2, characterized in that: the gravity block (65) is connected with a plurality of adjusting blocks (651) in a pressing mode through screws.
7. The vacuum boiler according to claim 1, characterized in that: mirror surface aluminium foil (15) are pasted on the surface of the inner cavity of the furnace body (11), and a heat preservation rock wool board (14) is arranged between the aluminium foil and the inner wall of the furnace body (11).
8. The vacuum boiler according to claim 1, characterized in that: the furnace body (11) is communicated with a sewage discharge joint (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930879.8U CN210119008U (en) | 2019-06-19 | 2019-06-19 | Vacuum boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930879.8U CN210119008U (en) | 2019-06-19 | 2019-06-19 | Vacuum boiler |
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| Publication Number | Publication Date |
|---|---|
| CN210119008U true CN210119008U (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920930879.8U Active CN210119008U (en) | 2019-06-19 | 2019-06-19 | Vacuum boiler |
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| CN (1) | CN210119008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207376A (en) * | 2019-06-19 | 2019-09-06 | 江苏科诺锅炉有限公司 | Vacuum boiler |
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2019
- 2019-06-19 CN CN201920930879.8U patent/CN210119008U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207376A (en) * | 2019-06-19 | 2019-09-06 | 江苏科诺锅炉有限公司 | Vacuum boiler |
| CN110207376B (en) * | 2019-06-19 | 2024-03-12 | 江苏科诺锅炉有限公司 | Vacuum boiler |
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