CN216953533U

CN216953533U - Pipe type fuel oil and gas hot blast stove

Info

Publication number: CN216953533U
Application number: CN202123018301.1U
Authority: CN
Inventors: 刘亮; 刘文达; 刘文博; 刘杰; 姬超杰; 王伟; 刘迎君; 赵春辉
Original assignee: Henan Hengxin Boiler Manufacturing Co ltd
Current assignee: Henan Hengxin Boiler Manufacturing Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-07-12
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a tubular fuel oil and gas hot blast stove which comprises a shell, a heating cylinder and a heat exchange cylinder, wherein the shell is provided with a heating pipe; the upper side of the shell is detachably provided with a cover plate, the inner side of the shell is provided with a heating cylinder and a heat exchange cylinder, the heat exchange cylinder is positioned right above the heating cylinder, inner containers are respectively arranged at the middle parts of the inner sides of the heating cylinder and the heat exchange cylinder, the two ends of the inner container are respectively fixed on the two sides of the inner cavity of the shell, the left side of the bottom end of the shell is provided with a burner, the tubular fuel oil gas hot blast stove has the advantages that the heating cylinder 2 and the heat exchange cylinder 3 are arranged in the shell 1, the structure is compact, the form is novel, the performance is stable, the waste heat in the heating cylinder 2 is conveyed into the heat exchange cylinder 2, can preheat the water in the upper end inner bag 4, the water after preheating the completion passes through downpipe 9 and gets into and continues to heat in the lower extreme inner bag 4, need not to use more pipeline to carry the waste heat, has reduced manufacturing cost, has reduced waste heat recovery's energy loss, has improved the recovery efficiency to the waste heat.

Description

Pipe type oil and gas combustion hot-blast stove

Technical Field

The utility model belongs to the technical field of boilers, and particularly relates to a tubular fuel oil and gas hot blast stove.

Background

The gas-fired boiler is divided according to the fuel type of the boiler, the fuel used by the gas-fired boiler is natural gas, coal gas, methane, liquefied petroleum gas and the like, and the gas-fired boiler has the advantages of environmental protection, cleanness, high heat efficiency, high safety, high intelligent operation and low operation cost, so the gas-fired boiler is a mainstream product in the boiler at present and occupies an important position. In order to improve the use efficiency of the waste heat of the gas boiler, the waste heat is conveyed to equipment needing to be heated through a pipeline, and the waste heat recycling mode has the advantages of large energy loss, low recovery efficiency and high production cost, and can not meet the existing use requirements.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a tubular fuel oil gas hot blast stove which is compact in structure, novel in form and stable in performance by arranging a heating cylinder 2 and a heat exchange cylinder 3 in a shell 1, water in an upper end inner container 4 can be preheated by conveying waste heat in the heating cylinder 2 into the heat exchange cylinder 2, the preheated water enters a lower end inner container 4 through a down flow pipe 9 to be continuously heated, more pipelines are not needed to convey the waste heat, the production cost is reduced, the energy loss of waste heat recovery is reduced, and the recovery efficiency of the waste heat is improved.

In order to achieve the purpose, the utility model provides the following technical scheme:

a tubular fuel oil and gas hot blast stove comprises a shell, a heating cylinder and a heat exchange cylinder; the upside demountable installation of shell has the apron, the inboard of shell is equipped with cartridge heater and a heat exchanger, the heat exchanger is located directly over the cartridge heater, the inboard middle part of cartridge heater and heat exchanger all is equipped with the inner bag, the both ends of inner bag are fixed in the both sides of shell inner chamber respectively, the bottom left side of shell is equipped with the combustor, the gas outlet of combustor passes through high temperature flue gas conveyer pipe and heating chamber intercommunication of cartridge heater inboard, the left side of shell is equipped with the first inlet tube and the second heating chamber of communicating with the inner bag, the bottom the delivery port department of inner bag installs the drain pipe, the upper end the delivery port of inner bag passes through the downpipe and the lower extreme the inner chamber of inner bag communicates, the mid-mounting of downpipe has electric valve, the right side of shell is equipped with the draught fan, the air intake of draught fan communicates with the exhaust port of cartridge inboard, the utility model discloses a waste heat recovery's pipe, including the air outlet of draught fan, the air outlet of waste heat recovery's pipe is located to install flue gas recovery, the heat transfer chamber intercommunication of flue gas recovery's air outlet and heat transfer section of thick bamboo inner chamber, the gas vent with heat transfer chamber intercommunication is seted up in the left side of shell, through setting up cartridge heater and a heat transfer section of thick bamboo in the shell, compact structure, the form is novel, stable performance, through carry to the heat transfer section of thick bamboo with waste heat in the cartridge heater, can preheat the water in the inner bag of upper end, preheat the water after accomplishing and continue to heat in getting into the lower extreme inner bag through the downpipe, need not to use more pipeline to carry the waste heat, and reduced manufacturing cost, reduced waste heat recovery's energy loss, improved the recovery efficiency to the waste heat.

Furthermore, a spiral guide sheet is arranged between the heat exchange cylinder and the inner container at the upper end, and the contact area between the waste heat flue gas and the outer side of the inner container at the upper end is increased by arranging the spiral guide sheet, so that the heat exchange effect is improved.

Further, the left side upper end of shell is equipped with the rose box, the gas vent in heat transfer chamber and the inner chamber intercommunication of rose box, the blast pipe is installed to the gas vent department of rose box, the rose box is installed to the left gas vent department of shell, the inboard demountable installation of rose box has the filter, through setting up rose box, filter and blast pipe, can filter the flue gas after using in the heat transfer chamber, prevents that impurity from discharging to the air in.

Further, all be equipped with the landing leg around the bottom side of shell, the bottom of landing leg all is equipped with the blotter, through setting up landing leg and blotter, supports the shell, has improved the stability when using.

Compared with the prior art, the utility model has the beneficial effects that:

1. through set up cartridge heater and a heat exchanger in the shell, compact structure, the form is novel, and the stable performance can preheat the water in the upper end inner bag through carrying the waste heat in the cartridge heater to the heat exchanger in, and the water after accomplishing preheating continues to heat in getting into the lower extreme inner bag through the downpipe, need not to use more pipeline to carry the waste heat, has reduced manufacturing cost, has reduced waste heat recovery's energy loss, has improved the recovery efficiency to the waste heat.

2. Through setting up the spiral guide piece, increased the area of contact who makes waste heat flue gas and the upper end inner bag outside, improved the heat transfer effect, through setting up rose box, filter and blast pipe, can filter the flue gas after using in the heat transfer chamber, prevent that impurity from discharging to the air in.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: the device comprises a shell 1, a heating cylinder 2, a heat exchange cylinder 3, a liner 4, a burner 5, a high-temperature flue gas conveying pipe 6, a first water inlet pipe 7, a drain pipe 8, a down flow pipe 9, an electric valve 10, an induced draft fan 11, a flue gas recovery pipe 12, a second water adding pipe 13, a spiral guide piece 14, a filter box 15, an exhaust pipe 16, a filter plate 17, supporting legs 18 and a cushion pad 19.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The embodiment is as follows:

referring to the attached figure 1, the tubular fuel oil and gas hot blast stove comprises a shell 1, a heating cylinder 2 and a heat exchange cylinder 3; the upper side of the shell 1 is detachably provided with a cover plate, the inner side of the shell 1 is provided with a heating cylinder 2 and a heat exchange cylinder 3, the heat exchange cylinder 3 is positioned right above the heating cylinder 2, the middle parts of the inner sides of the heating cylinder 2 and the heat exchange cylinder 3 are respectively provided with a liner 4, two ends of the liner 4 are respectively fixed at two sides of the inner cavity of the shell 1, the left side of the bottom end of the shell 1 is provided with a burner 5, the gas outlet of the burner 5 is communicated with the heating cavity at the inner side of the heating cylinder 2 through a high-temperature flue gas conveying pipe 6, the left side of the shell 1 is provided with a first water inlet pipe 7 and a second water inlet pipe 13 which are communicated with the liner 4, the water outlet of the liner 4 at the bottom end is provided with a drain pipe 8, the water outlet of the liner 4 at the upper end is communicated with the inner cavity of the liner 4 at the lower end through a down pipe 9, the middle part of the down pipe 9 is provided with an electric valve 10, the right side of the shell 1 is provided with an induced draft fan 11, the air inlet of the induced draft fan 11 is communicated with the smoke outlet of the heating cavity at the inner side of the heating cylinder 2, flue gas recovery tube 12 is installed to the air outlet department of draught fan 11, flue gas recovery tube 12's air outlet and the heat transfer chamber intercommunication of 3 inner chambers of heat exchanger tube, the gas vent with the heat transfer chamber intercommunication is seted up in the left side of shell 1, through set up cartridge heater 2 and heat exchanger tube 3 in shell 1, compact structure, the form is novel, stable performance, carry to in the heat exchanger tube 2 through the waste heat with in the cartridge heater 2, can preheat the water in upper end inner bag 4, preheat the water after accomplishing and continue to heat in getting into lower extreme inner bag 4 through downpipe 9, need not to use more pipeline to carry the waste heat, and the production cost is reduced, the energy loss of waste heat recovery has been reduced, the recovery efficiency to the waste heat has been improved.

Spiral guide pieces 14 are arranged between the heat exchange cylinder 3 and the upper end inner container 4, and through the arrangement of the spiral guide pieces 14, the contact area between the waste heat flue gas and the outer side of the upper end inner container 4 is increased, and the heat exchange effect is improved.

The left side upper end of shell 1 is equipped with rose box 15, the gas vent in heat transfer chamber and the inner chamber intercommunication of rose box 15, the gas vent department of rose box 15 installs blast pipe 16, rose box 15 is installed to the left gas vent department of rose box 15 shell 1, the inboard demountable installation of rose box 15 has filter 17, through setting up rose box 15, filter 15 and blast pipe 16, can filter the flue gas after using in the heat transfer chamber, prevent that impurity from discharging to the air in.

All be equipped with landing leg 18 around the bottom side of shell 1, landing leg 18's bottom all is equipped with blotter 19, through setting up landing leg 18 and blotter 19, supports shell 1, has improved the stability when using.

The working principle is as follows: the combustor 5 mixes and burns fuel and air, and then conveys the fuel and the air to the heating cavity on the inner side of the heating cylinder 2 through the high-temperature flue gas conveying pipe 6 to heat water in the inner container 4 at the lower end, the draught fan 7 conveys redundant flue gas in the heating cavity to the heat exchange cavity on the inner side of the heat exchange cylinder 3 through the flue gas recovery pipe 12 to preheat water in the inner container 4 at the upper end, the preheated water is conveyed to the inner container 4 at the lower end through the down flow pipe 9 to be continuously heated, the heating cylinder 2 and the heat exchange cylinder 3 are arranged in the shell 1, the structure is compact, the form is novel, the performance is stable, more pipelines are not needed to convey waste heat, the production cost is reduced, the energy loss of waste heat recovery is reduced, the waste heat recovery efficiency is improved, the contact area between the flue gas and the outer side of the inner container 4 at the upper end is increased through the arrangement of the spiral guide piece 14, the heat exchange effect is improved, and the filter box 15 is arranged, The filter 15 and the exhaust pipe 16 can filter the flue gas used in the heat exchange chamber, and prevent impurities from being discharged into the air.

While there have been shown and described what are at present considered to be the basic principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, but is capable of other embodiments without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a tubular fuel gas hot-blast furnace, includes shell, cartridge heater and a heat exchanger section of thick bamboo, its characterized in that: the upside demountable installation of shell has the apron, the inboard of shell is equipped with cartridge heater and a heat exchanger, the heat exchanger is located the cartridge heater directly over, the inboard middle part of cartridge heater and heat exchanger all is equipped with the inner bag, the both ends of inner bag are fixed in the both sides of shell inner chamber respectively, the bottom left side of shell is equipped with the combustor, the gas outlet of combustor passes through high temperature flue gas conveyer pipe and the inboard heating chamber of cartridge heater intercommunication, the left side of shell is equipped with first inlet tube and the second filler pipe that communicates with the inner bag, the bottom the delivery port department of inner bag installs the drain pipe, the upper end the delivery port of inner bag passes through the downpipe and the lower extreme the inner chamber of inner bag communicates, the mid-mounting of downpipe has electric valve, the right side of shell is equipped with the draught fan, the air intake of draught fan communicates with the exhaust port of the inboard heating chamber of cartridge heater, the air outlet department of draught fan installs flue gas recovery pipe, flue gas recovery pipe's air outlet and the heat transfer chamber intercommunication of heat transfer section of thick bamboo inner chamber, the gas vent with heat transfer chamber intercommunication is seted up in the left side of shell.

2. The tubular fuel-gas hot blast stove according to claim 1, characterized in that: and a spiral guide sheet is arranged between the heat exchange cylinder and the inner container at the upper end.

3. The tubular fuel-gas hot blast stove according to claim 1, characterized in that: the left side upper end of shell is equipped with the rose box, the gas vent in heat transfer chamber and the inner chamber intercommunication of rose box, the gas vent department of rose box installs the blast pipe, the rose box the left gas vent department of shell installs the rose box, the inboard demountable installation of rose box has the filter.

4. The tubular fuel-gas hot blast stove according to claim 1, characterized in that: the bottom side of shell all is equipped with the landing leg all around, the bottom of landing leg all is equipped with the blotter.