CN102042481B - Full-automatic compulsory gasification machine for bottled liquefied petroleum gas - Google Patents

Full-automatic compulsory gasification machine for bottled liquefied petroleum gas Download PDF

Info

Publication number
CN102042481B
CN102042481B CN 201010603820 CN201010603820A CN102042481B CN 102042481 B CN102042481 B CN 102042481B CN 201010603820 CN201010603820 CN 201010603820 CN 201010603820 A CN201010603820 A CN 201010603820A CN 102042481 B CN102042481 B CN 102042481B
Authority
CN
China
Prior art keywords
chamber
gasification
gas
heating
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201010603820
Other languages
Chinese (zh)
Other versions
CN102042481A (en
Inventor
刘新
陈钢
李斌
刘颖
刘跃山
Original Assignee
刘新
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 刘新 filed Critical 刘新
Priority to CN 201010603820 priority Critical patent/CN102042481B/en
Publication of CN102042481A publication Critical patent/CN102042481A/en
Application granted granted Critical
Publication of CN102042481B publication Critical patent/CN102042481B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention relates to a full-automatic compulsory gasification machine for bottled liquefied petroleum gas, which has the purpose of supplying the bottled liquefied petroleum gas with the advantages of safety, environment protection, energy conservation and constant pressure. The invention has the working mechanism that the external circle on the lower part of a gas cylinder is locally heated by utilizing the airflow heating medium of a circulating heating cavity in the gas output course; the loss of the gasification latent heat in the consumption course of the gas in the gas cylinder is supplemented; the mixing gas containing the gasified gas and the coagulated gas-liquid is guided out of the gas phase outlet of the gas cylinder; the smoke with the appropriate temperature is simultaneously guided into an infrared heating cavity by utilizing a gasification heating cavity with mounting ears; and the secondary compulsory evaporation and the gasification of the mixing gas are realized by utilizing a gasification coil pipe. The full-automatic compulsory gasification machine provided by the invention comprises a base, a box body, a fixed circulating cavity and a flexible circulating cavity, wherein an air circulating heating cavity, the infrared heating cavity, a gas full-premixing infrared burner, the gasification heating cavity with the mounting ears, a gasification heating controller, the heat insulation cover of a circulating cavity, and a gas passage and circuit control component are arranged in the box body.

Description

A kind of full-automatic compulsory gasification machine for bottled liquefied petroleum gas
Technical field
The present invention relates to the gas thermal energy applied technical field, specifically a kind of bottled gas Full-automatic forced gasifying machine.
Background technique
Bottle gas is a higher calorific value clean fuel, provides at needs that heat energy is large, under the service condition of constant pressure air feeding, and because liquid combustion gas nature gasification is slow, a large amount of heat absorptions can make gas cylinder freeze and can not air feed.The thermal hardware current, that domestic and international application liquid gas air consumption is larger adopts special-purpose gas tank liquid phase heating agent gasification mode substantially, yet field mobile operation equipment uses the special gas tank volume larger, and combustion gas displacement and gas tank move extremely inconvenient.Use to move with displacement and facilitate the gas cylinder air feed, in case the equipment that air consumption is larger exists equally with gas continuously, gasification heat absorption reduces supply gas pressure very soon can not air feed, even if near the continuous gas of using of the slightly little heating power of 10kw, there are equally uneconomical, the inconvenient problems such as pressure instability, combustion condition is relatively poor, raffinate is retained greatly, energy utilization rate is lower.
Summary of the invention
The present invention seeks in order to overcome the deficiencies in the prior art, a kind of gasification installation that makes bottled gas safety, environmental protection, energy-conservation, constant pressure air feeding is provided.
Working mechanism of the present invention is in the combustion gas output procedure, air-flow heating agent by a circulating-heating chamber is to gas cylinder bottom cylindrical local heating, replenish the disappearance of gasification latent heat in gas cylinder combustion gas process of consumption, by gas cylinder gaseous phase outlet self-pressure derive gasification burning and the liquid phase that condenses between the combustion gas that mixes; Import simultaneously the flue gas of infrared heating chamber proper temperature with mounting ear gasification heating chamber, realize the gasification of combination gas secondary forced evaporation by the gasification coil pipe.
The present invention includes base, casing, canned cycle chamber, cycle of activity chamber; Air circulation heating chamber, infrared heating chamber, cylindricality infrared burner, band mounting ear gasification heating chamber, gasification heating controller, cyclic cavity thermal shield and gas circuit circuit controlling component are installed in casing; Circulating-heating chamber, canned cycle chamber, chamber, three, chamber of cycle of activity are interconnected; Circulating-heating chamber and canned cycle chamber become thermal source heating heating agent circulation integrative-structure; Canned cycle chamber and cycle of activity chamber are fixed on gas cylinder base top, the cycle of activity chamber is fixedly connected with by hinge with canned cycle chamber one side, opposite side is fixedly connected with hook by hasp, consist of the closed circle bucket, gas cylinder is placed on the closed circle bucket the inside that is comprised of canned cycle chamber and cycle of activity chamber, gas cylinder outer wall and closed circle bucket formation heated air circulation passage; There is the infrared heating chamber air circulation heating chamber the inside, the cylindricality infrared burner is installed in the inside, chamber, infrared heating chamber, the fan outlet of air circulation heating chamber is connected to canned cycle chamber return air frid pipe, and the air-out frid pipe in canned cycle chamber is connected to air circulation heating chamber air outlet; Be connected with combustion heating chamber flue gas bend pipe with the mouth of pipe of the flanged flue gas bend pipe in mounting ear gasification heating chamber bottom, smoke outlet is on band mounting ear gasification heating chamber top, in the gasification cavity, there is the gasification heating coil at the center, the gasification coil pipe two ends mouth of pipe is drawn and is welded to connect with inipple from the cavity top and is integral body, the one end is connected with gas cylinder, the other end gasification output.
Casing left sideboard below is equipped with power socket, and there is the ventilating heat dissipating hole of the punching press of extending at the middle part, and the top is equipped with power switch, power safety device, gasification work indicator light, combustion regime tutorial light; Air circulation heating chamber, infrared heating chamber, cylindricality infrared burner, band mounting ear gasification heating chamber, gasification heating controller, cyclic cavity thermal shield and gas circuit circuit controlling component are installed in casing;
gas cylinder canned cycle chamber, its up and down side plate by the rectangular steel plate take on one side as center line, cut and the isometrical semicircle of gas cylinder cylindrical at mid point, the another side symmetrical bending in up and down, with bending plate-side plate welding in the left and right be a framework, semicircle two ends minor face and adjacent left side plate and the welding of symmetrical concave shape end-stopping plate, its left and right side groove respectively with hot-air outlet frid pipe, the notch alignment of hot blast return air frid pipe, and make the isometrical cambered surface of frid and gas cylinder flush rear welding with up and down semicircle camber line, in air-out frid pipe and the return air frid pipe cambered surface mouth of pipe one side, be integrated with being welded to connect with the isometrical cambered surface dividing plate of gas cylinder, at canned cycle cavity space place filling with insulation material, at cyclic cavity semicircle two ends, left end is welded with the hinge tube of two tape spools, right-hand member is welded with hasp, air-out frid pipe in the canned cycle chamber and return air frid pipe consist of air-flow heating agent discrepancy circulation canal.
The cycle of activity chamber be inside and outside two with the isometrical semicircle of the gas cylinder cambered surface frid of extending, the intrados frid middle part of cambered surface frid outside wherein, two-layer semicircle two ends welding concave shape end-stopping plate, therebetween after filling with insulation material, with canned cycle chamber corresponding position one end welding hinge tube, one end welding hook, intrados frid consist of cycle of activity chamber air-flow heating agent circulation canal.
The air circulation heating chamber is six face closure cavitys of a light sheet bending welding fabrication, the spiral case cavity that the cavity left side central portion is opened circular hole and circulating fan one side is welded to connect, the spiral case opposite side is mounted with motor side board component with wind wheel with screw, its wind wheel extends in spiral case, at circulating-heating chamber inner underside plate medium position, open one with the isometrical circular hole in infrared heating chamber, and flush with infrared heating chamber round mouth outer wall and be welded to connect.The air circulation heating chamber of cylindricality infrared burner is installed, put into from casing, the circulating fan spiral case outlet of air circulation chamber, insert in the outlet frid pipe mouth of pipe in canned cycle chamber, the mouth of pipe of the return air frid pipe in canned cycle chamber inserts in the return air port of air circulation heating chamber, with screw, exhaust outlet air outlet both sides are fixed respectively after two interfaces insert the location, made circulating-heating chamber and canned cycle chamber become thermal source heating heating agent circulation integrative-structure;
The infrared heating chamber is the cylindricality cavity that is connected with frustum of extending, there is the cylindricality infrared burner taper the inside, one end of frustum top opening place and flue gas bend pipe is welded to connect, the outlet of the flue gas bend pipe the other end, extend to air circulation heating chamber right sideboard below smoke outlet circular hole, and be welded as a whole with the side plate circular hole.
the cylindricality infrared burner is by band support ring end-stopping plate, and the net frid is with the support ring flanged plate, and the full pre-mixed air machine of combustion gas forms, wherein be with the support ring end-stopping plate, band support ring flanged plate is welded to connect by net frid two ends and is integrated, outside being trapped among band support ring end-stopping plate and being with the support ring flanged plate, the steel fiber web plate becomes cylindrical body, web plate both sides pressed and overlapped networking frid, and will be with support ring flanged plate both sides to fix with several screws, web plate cylinder two ends are compressed by the outer compression of net pressure ring, flange with support ring flanged plate air guide bend pipe is connected by General purpose screw with full premix blower fan outlet(discharge) flange, the full premix blower fan of combustion gas is by volute of blower, wind wheel, pillar, motor, fan housing, accent wind lid, the nozzle guide rod, assembly connection.
The mouth of pipe and flue gas mouth position, air circulation heating chamber right sideboard bottom with the flanged flue gas bend pipe in mounting ear gasification heating chamber bottom align and are fixed on gasification chamber top both sides mounting ear and gasification chamber right sideboard corresponding position by screw, and band mounting ear gasify heating chamber and circulating-heating chamber forms integral body.
Description of drawings
Fig. 1 is structural representation of the present invention
Fig. 2 is the left view of Fig. 1
Fig. 3 is the plan view of Fig. 2
Fig. 4 is the left view of Fig. 2
Fig. 5 is cylindricality infrared burner schematic diagram
Fig. 6 is the plan view of Fig. 5
in figure: 1. casing, 2. gas cylinder base, 3. canned cycle chamber, 4. cycle of activity chamber, 5. liquified petroleum gas cylinder, 6. hinge, 7. hasp, 8. link up with, 9. heating agent circulating-heating chamber, 10. circulating fan spiral case, 11. circulating fan motor side board component, 12. air-out frid pipe, 13. return air frid pipe, 14. cambered surface frid, 15. concave shape end-stopping plate, 16. infrared heating chamber, 17. band mounting ear gasification heating chamber, 18. gasification coil pipe, 19. infrared heating chamber flue gas bend pipe, 20. flanged flue gas bend pipe, 21. gasification chamber temperature transducer, 22. cylindricality infrared burner, 23. band is transferred wind lid air cavity, 24. cambered surface dividing plate, 25. gas ratio valve, 26. gas switch valve, 27. burning probe, 28. pulse igniter, 29. igniting spray point, 30. gas pressure-reducing valve, 31. controller, 32. power supply and control socket, 33. hot gas inlet attack, 34. gasification burning outlet connection, 35. gasification chamber gas outlet tee union, 36. gaseous-pressure sensor, 37. gas pressure gage, 38. cyclic cavity return air port, 39. gasification chamber smoke outlet tube, 40. gasification work indicator light, 41. combustion regime tutorial light, 42. power switch, 43. power safety device, 44. steel fiber web plate pressure ring, 45. band support ring end-stopping plate, 46. steel fiber flame veil plate, 47. net frid, 48. band support ring flanged plate, 49. premix volute of blower, 50. burning conduit, 51. motor, 52 circulating-heating chamber thermal shields.
Embodiment
open semicircle cambered surface cycle of activity chamber 4, gas cylinder is positioned over gas cylinder base 2, closed cycle of activity chamber 4, make gas cylinder 5 bottom cylindricals and cycle of activity chamber intrados frid 14, the join hot-air outlet frid pipe 12 cambered surface frids in canned cycle chamber 3 of left end are close to gas cylinder 5 cylindricals, hot-air outlet frid pipe 12 mouth of pipe one sides connect air circulation chamber 9 left end circulating fan spiral case 10 outlets, outside cyclic cavity 9 right-hand members, return air port 38 is connected and fixed the mouth of pipe of cyclic cavity 3 right side hot blast return air frid pipes 13, return air frid pipe 13 cambered surface frids are close to gas cylinder 5 cylindricals, the notch cycle of activity chamber right-hand member notch that joins, form the air-flow heating agent circulation canal with gas cylinder 5 bottom cylindrical sealings, the thermal source of air circulation heating chamber 9, produce infrared emanation through cylindricality infrared burner 22, the infrared heating chamber 16 that adds on the one hand heat-seal, be in the intrinsic air of sealing airflow circulating passage by the radiation heat heating, the circulating-heating chamber adds the air of heat-seal airflow circulating passage by circulating fan 10 pump circulation and is energy-conservation, circulating air flow heating agent disappearance that the circulating-heating of gas cylinder bottom cylindrical has been replenished gasification latent heat in gas cylinder combustion gas process of consumption simultaneously, by the liquid combustion gas that gas cylinder gaseous phase outlet self-pressure derives gasification burning and the liquid phase that condenses mixes, on the other hand, cylindricality infrared burner 22 high-temperature flue gas are by the flue gas bend pipe 19 in infrared heating chamber 16, be directed into gasification chamber 17 through gasification chamber flue gas bend pipe 20, heating and gasifying chamber internal combustion gas coil pipe 18, with combination gas double evaporation-cooling gasification between the liquid phase of gas cylinder self-pressure derivation, this gasification structure mode has realized by place's thermal source, two places heating secondary forced evaporation gasification mode, heat energy is fully utilized and obvious energy conservation.

Claims (6)

1. full-automatic compulsory gasification machine for bottled liquefied petroleum gas is characterized in that comprising base, casing, canned cycle chamber, cycle of activity chamber; Heating agent circulating-heating chamber, infrared heating chamber, cylindricality infrared burner, band mounting ear gasification heating chamber, gasification heating controller, cyclic cavity thermal shield and gas circuit circuit controlling component are installed in casing; Circulating-heating chamber, canned cycle chamber, chamber, three, chamber of cycle of activity are interconnected; Circulating-heating chamber, canned cycle chamber, cycle of activity chamber becomes thermal source heating heating agent circulation integrative-structure; Canned cycle chamber and cycle of activity chamber are fixed on gas cylinder base top, the cycle of activity chamber is fixedly connected with by hinge with canned cycle chamber one side, opposite side is fixedly connected with hook by hasp, consist of the closed circle bucket, gas cylinder is placed on the closed circle bucket the inside that is comprised of canned cycle chamber and cycle of activity chamber, gas cylinder outer wall and closed circle bucket formation heated air circulation passage; There is the infrared heating chamber heating agent circulating-heating chamber the inside, the cylindricality infrared burner is installed in the inside, infrared heating chamber, the fan outlet in heating agent circulating-heating chamber is connected to canned cycle chamber return air frid pipe, and the air-out frid pipe in canned cycle chamber is connected to heating agent circulating-heating chamber air outlet; Be connected with combustion heating chamber flue gas bend pipe with the mouth of pipe of the flanged flue gas bend pipe in mounting ear gasification heating chamber bottom, smoke outlet is on band mounting ear gasification heating chamber top, in the gasification cavity, there is the gasification heating coil at the center, the gasification coil pipe two ends mouth of pipe is drawn and is welded to connect with inipple from the cavity top and is integral body, the one end is connected with gas cylinder, the other end gasification output.
2. full-automatic compulsory gasification machine for bottled liquefied petroleum gas as claimed in claim 1, it is characterized in that gas cylinder canned cycle chamber, its up and down side plate by the rectangular steel plate take on one side as center line, cut and the isometrical semicircle of gas cylinder cylindrical at mid point, the another side symmetrical bending in up and down, with bending plate-side plate welding in the left and right be a framework, semicircle two ends minor face and adjacent left side plate and the welding of symmetrical concave shape end-stopping plate, its left and right side groove respectively with hot-air outlet frid pipe, the notch alignment of hot blast return air frid pipe, and make the isometrical cambered surface of frid and gas cylinder flush rear welding with up and down semicircle camber line, in air-out frid pipe and the return air frid pipe cambered surface mouth of pipe one side, be integrated with being welded to connect with the isometrical cambered surface dividing plate of gas cylinder, at canned cycle cavity space place filling with insulation material, at cyclic cavity semicircle two ends, left end is welded with the hinge tube of two tape spools, right-hand member is welded with hasp, air-out frid pipe in the canned cycle chamber and return air frid pipe consist of air-flow heating agent discrepancy circulation canal.
3. full-automatic compulsory gasification machine for bottled liquefied petroleum gas as claimed in claim 1, it is characterized in that the cycle of activity chamber be inside and outside two with the isometrical semicircle of the gas cylinder cambered surface frid of extending, the intrados frid middle part of cambered surface frid outside wherein, two-layer semicircle two ends welding concave shape end-stopping plate, therebetween after filling with insulation material, with canned cycle chamber corresponding position one end welding hinge tube, an end welding hook, intrados frid consist of cycle of activity chamber air-flow heating agent circulation canal.
4. full-automatic compulsory gasification machine for bottled liquefied petroleum gas as claimed in claim 1, it is characterized in that heating agent circulating-heating chamber is six face closure cavitys of a light sheet bending welding fabrication, the spiral case cavity that heating agent circulating-heating chamber cavity left side central portion is opened circular hole and circulating fan one side is welded to connect, the spiral case opposite side is mounted with motor side board component with wind wheel with screw, and its wind wheel extends in spiral case; At circulating-heating chamber inner underside plate medium position, open one with the isometrical circular hole in infrared heating chamber, and flush with infrared heating chamber round mouth outer wall and be welded to connect; The heating agent circulating-heating chamber of cylindricality infrared burner is installed, put into from casing, the circulating fan spiral case outlet of heating agent circulating-heating chamber, insert in the outlet frid pipe mouth of pipe in canned cycle chamber, the mouth of pipe of the return air frid pipe in canned cycle chamber inserts in the return air port in heating agent circulating-heating chamber, with screw, exhaust outlet air outlet both sides are fixed respectively after two interfaces insert the location, made circulating-heating chamber and canned cycle chamber become thermal source heating heating agent circulation integrative-structure.
5. full-automatic compulsory gasification machine for bottled liquefied petroleum gas as claimed in claim 1, it is characterized in that the infrared heating chamber is the cylindricality cavity that is connected with frustum of extending, there is the cylindricality infrared burner taper the inside, one end of frustum top opening place and flue gas bend pipe is welded to connect, the outlet of the flue gas bend pipe the other end is connected with the mouth of pipe of the flanged flue gas bend pipe in heating chamber bottom that gasifies with mounting ear, consists of band mounting ear gasification heating chamber thermal source.
6. full-automatic compulsory gasification machine for bottled liquefied petroleum gas as claimed in claim 4, is characterized in that the cylindricality infrared burner by band support ring end-stopping plate, the net frid, and band support ring flanged plate, the full pre-mixed air machine of combustion gas forms, wherein be with the support ring end-stopping plate, band support ring flanged plate is welded to connect by net frid two ends and is integrated, outside being trapped among band support ring end-stopping plate and being with the support ring flanged plate, the steel fiber web plate becomes cylindrical body, web plate both sides pressed and overlapped networking frid, and will be with support ring flanged plate both sides to fix with several screws, web plate cylinder two ends are compressed by the outer compression of net pressure ring, flange with support ring flanged plate air guide bend pipe is connected by General purpose screw with full premix blower fan outlet(discharge) flange, the full premix blower fan of combustion gas is by volute of blower, wind wheel, pillar, motor, fan housing, accent wind lid, the nozzle guide rod, assembly connection.
CN 201010603820 2010-12-13 2010-12-13 Full-automatic compulsory gasification machine for bottled liquefied petroleum gas Expired - Fee Related CN102042481B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010603820 CN102042481B (en) 2010-12-13 2010-12-13 Full-automatic compulsory gasification machine for bottled liquefied petroleum gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010603820 CN102042481B (en) 2010-12-13 2010-12-13 Full-automatic compulsory gasification machine for bottled liquefied petroleum gas

Publications (2)

Publication Number Publication Date
CN102042481A CN102042481A (en) 2011-05-04
CN102042481B true CN102042481B (en) 2013-05-08

Family

ID=43908881

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010603820 Expired - Fee Related CN102042481B (en) 2010-12-13 2010-12-13 Full-automatic compulsory gasification machine for bottled liquefied petroleum gas

Country Status (1)

Country Link
CN (1) CN102042481B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106931303B (en) * 2016-10-31 2019-01-04 青岛华发伟达商贸有限公司 One kind can protect fuel gas bottle air charging system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2077524U (en) * 1990-03-21 1991-05-22 王建兵 Band for using remainder in liquefied gas cylinder
CN2303189Y (en) * 1997-08-25 1999-01-06 金家林 Tar infrared combustion supporting apparatus for bottom of LPG
US6089218A (en) * 1995-12-13 2000-07-18 Tokai Corporation Vaporization acceleration device for high-calorie gas appliance
CN1789782A (en) * 2005-12-27 2006-06-21 张晓义 Gasifier for residual liquid of combustible gas

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2077524U (en) * 1990-03-21 1991-05-22 王建兵 Band for using remainder in liquefied gas cylinder
US6089218A (en) * 1995-12-13 2000-07-18 Tokai Corporation Vaporization acceleration device for high-calorie gas appliance
CN2303189Y (en) * 1997-08-25 1999-01-06 金家林 Tar infrared combustion supporting apparatus for bottom of LPG
CN1789782A (en) * 2005-12-27 2006-06-21 张晓义 Gasifier for residual liquid of combustible gas

Also Published As

Publication number Publication date
CN102042481A (en) 2011-05-04

Similar Documents

Publication Publication Date Title
CN201508017U (en) Improved gas water heater
KR100679340B1 (en) A Horizon Type of Complex Boiler
CN102042481B (en) Full-automatic compulsory gasification machine for bottled liquefied petroleum gas
CN205279080U (en) Gasification equipment and combustion system of liquid lighter hydrocarbons fuel
CN209909876U (en) Improved steam boiler
CN101614442B (en) Device for obtaining higher thermal efficiency by mix-burning high-temperature water pyrolysis gas and fuel
CN105823210A (en) Smoke bending circulation type multi-water jacket energy saving heating furnace
CN216431703U (en) Fire balloon combustor that fuel suitability is strong
CN102980186B (en) Gasification liquid fuel burner with no pressure and combustion stove
CN107287614B (en) Hydrogen-oxygen steam manufacturing device
CN210951406U (en) Rotary-spraying type normal-pressure gasification furnace end
CN204880100U (en) Methyl alcohol hydrogenation combustor
CN113639268A (en) Fire balloon combustor that fuel suitability is strong
CN206681862U (en) Internal combustion engine and vehicle
CN203190602U (en) Water heater
CN207350332U (en) A kind of burner of double-layer overlapped fire and the gas-cooker using the burner
CN207035201U (en) Blowing system and fuel combination boiler
CN218627284U (en) Energy-saving hot blast stove convenient for flow regulation
CN102437395B (en) Battery system with heating function
CN202955692U (en) Alcohol-based fuel gasification combustion burner
CN202973079U (en) Non-pressure gasifying burner and burning furnace for liquid fuels
CN203454133U (en) Dual-preheating type blast combustor
CN207520007U (en) Seafood steam cabinet
CN216114659U (en) Gas water heater capable of intelligently switching working modes
CN208804662U (en) A kind of power generation heating boiler for dual purpose

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130508

Termination date: 20131213