CN209605198U - A kind of hot air type Smoke-heating device - Google Patents

A kind of hot air type Smoke-heating device Download PDF

Info

Publication number
CN209605198U
CN209605198U CN201920209545.1U CN201920209545U CN209605198U CN 209605198 U CN209605198 U CN 209605198U CN 201920209545 U CN201920209545 U CN 201920209545U CN 209605198 U CN209605198 U CN 209605198U
Authority
CN
China
Prior art keywords
combustion chamber
hot air
combustion
flue gas
hot
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.)
Active
Application number
CN201920209545.1U
Other languages
Chinese (zh)
Inventor
孔繁坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Sanshui Youwei Glass Products Co Ltd
Original Assignee
Foshan Sanshui Youwei Glass Products Co Ltd
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 Foshan Sanshui Youwei Glass Products Co Ltd filed Critical Foshan Sanshui Youwei Glass Products Co Ltd
Priority to CN201920209545.1U priority Critical patent/CN209605198U/en
Application granted granted Critical
Publication of CN209605198U publication Critical patent/CN209605198U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Regulation And Control Of Combustion (AREA)

Abstract

The utility model provides a kind of hot air type Smoke-heating device, including combustion chamber, deliver the air to the indoor combustion fan of combustion chamber, natural gas supply mechanism, Combustion System mechanism, flue gas mixer, the combustion chamber is provided with air intake, hot-blast outlet, the combustion fan air outlet connects combustion chamber air intake, the hot-blast outlet connects flue gas mixer, hot wind of the flue gas mixer for mixed flue gas and combustion chamber discharge by hot air duct.Natural gas is ignited in combustion chamber and heats to the indoor air of combustion chamber under the control control of cyclelog, and hot gas is pushed through combustion fan enters flue gas mixer to flue gas progress Hybrid Heating through hot air duct.Hot air type Smoke-heating device provided by the utility model have the advantages that heating temperature it is controllable, using it is safe, avoid the long-term calcination of spark plug and be not easy corrosion and damage.

Description

A kind of hot air type Smoke-heating device
Technical field
The utility model belongs to field of environment protection equipment more particularly to a kind of hot air type Smoke-heating device.
Background technique
It in fume environment protection process field, needs to carry out heating pretreatment to flue gas in some cases, such as be catalyzed also It needs when former first by flue gas to suitable temperature.But if being carried out to flue gas straight in the case where flue gas contains explosive medium Heating is connect to be easy to cause safety accident, thus be currently mainly used that unit consumption is higher and the electric heater unit that is easily damaged to flue gas into Row heating.Not only use cost is high for electric heater unit, and heating muff is directly exposed in mordant flue gas and is easy quilt Corrosion and damage.
Utility model content
Based on the prior art there are the above problem, the utility model provides a kind of hot air type Smoke-heating device, including combustion It burns chamber, deliver the air to the indoor combustion fan of combustion chamber, natural gas supply mechanism, Combustion System mechanism, flue gas mixing Device, the combustion chamber are provided with air intake, hot-blast outlet, and the combustion fan air outlet connection combustion chamber air enters Mouthful, the hot-blast outlet connects flue gas mixer by hot air duct, and the flue gas mixer is used for mixed flue gas and combustion chamber The hot wind of room discharge.Natural gas is ignited and to the indoor sky of combustion chamber in combustion chamber under the control control of cyclelog Gas is heated, and hot gas is pushed through combustion fan enters flue gas mixer to flue gas progress Hybrid Heating through hot air duct.This reality With the hot air type Smoke-heating device of novel offer have heating temperature it is controllable, using it is safe, avoid the long-term calcination of spark plug and The advantages of being not easy corrosion and damage.
The utility model is achieved the goal by technical solution in detailed below:
A kind of hot air type Smoke-heating device, the hot air type Smoke-heating device is for before carrying out catalysis reduction to flue gas Heating, the hot air type Smoke-heating device includes combustion chamber, outside air is delivered to the indoor combustion air of combustion chamber Machine, natural gas supply mechanism, Combustion System mechanism, flue gas mixer, the combustion chamber is provided with air intake, hot wind goes out Mouthful, the combustion fan air outlet connects combustion chamber air intake, and the hot-blast outlet connects flue gas by hot air duct and mixes Clutch, by natural gas transportation to combustion chamber, natural gas and combustion fan are delivered in combustion chamber for natural gas supply mechanism Air mixing after controllable under the Combustion System mechanism controls indoor air of combustion heating combustion chamber form hot wind, hot wind warp Hot air duct enters flue gas mixer, and hot wind of the flue gas mixer for mixed flue gas and combustion chamber discharge makes flue gas Temperature increases;
The natural gas supply mechanism include air accumulator, steam line, pressure-regulating valve, pressure switch, burning solenoid valve, Igniter solenoid valve, burner noz(zle), ignition burner, steam line include a three-way connection, and three ports of three-way connection are distinguished One section of steam line is connected, wherein one section of steam line connects air accumulator, is in addition separately connected burner noz(zle), point fire-fighting for two sections Mouth, the burner noz(zle) and ignition burner are arranged in combustion chamber and ignition burner is located at below burner noz(zle), the storage Air accumulator side is provided with pressure-regulating valve and close three-way connection one on steam line between gas tank and three-way connection Side is provided with pressure switch, and the pressure switch is pressure switch open in usual, the confession between the ignition burner and three-way connection It is provided with igniter solenoid valve in feed channel, burning electromagnetism is provided on the steam line between the burner noz(zle) and three-way connection Valve;
The pressure-regulating valve is electronic pressure regulating valve, is exported by the adjustable air accumulator of pressure-regulating valve natural The uninterrupted of gas.It monitors the air pressure in steam line by pressure switch open in usual and connects steam line automatically in superpressure and cut Disconnected to protect to device, user can be set as needed overpressure protection value.The burner noz(zle) passes through three-way connection and confession Feed channel connects air accumulator, passes through the on-off of steam line between burning solenoid valve control burner noz(zle) and three-way connection.The point Fire-fighting mouth connects air accumulator with steam line by three-way connection, is controlled between ignition burner and three-way connection by igniter solenoid valve The on-off of steam line;
The Combustion System mechanism includes cyclelog, pulse igniter, spark plug, flame sensor, temperature sensing Device, the spark plug, flame sensor, temperature sensor be arranged in combustion chamber and spark plug setting in burner noz(zle) and Between ignition burner, burner noz(zle), spark plug and ignition burner are linked to be a vertical line, flame sensor setting from top to bottom Above burner noz(zle), the pulse igniter is connect with spark plug, described program controller respectively with pulse igniter, flame Sensor, temperature sensor, pressure-regulating valve, pressure switch, burning solenoid valve, igniter solenoid valve are electrically connected;
Natural gas in combustion chamber is controlled by pulse igniter, spark plug to ignite.It is monitored and is fired by flame sensor It burns whether the indoor natural gas of chamber is ignited, prevents from leading to the natural gas without igniting due to pulse igniter or spark plug failure Excessive being gathered in combustion chamber or spill into causes safety accident in exhaust gases passes.It is monitored and is burnt by temperature sensor The indoor air themperature of chamber, temperature sensor and pressure switch open in usual cooperation can control the combustion case in combustion chamber, It avoids combustion chamber room temperature excessively high or pressure reaches greatly very much quick-fried chapter point and explodes, guarantee, which can heat, also to be avoided occurring Combustion explosion.
Cyclelog respectively with pulse igniter, flame sensor, temperature sensor, pressure-regulating valve, pressure switch, Burn solenoid valve, igniter solenoid valve electric connection, natural gas in the gas supply and combustion chamber for controlling natural gas supply mechanism Burning, the flow of natural gas, the air pressure in steam line can be set separately, in combustion chamber in user by cyclelog The bound of temperature, the time delay for the protection that automatically die;
When temperature sensor monitors minimum of the combustion chamber room temperature lower than setting, cyclelog control burning Solenoid valve and igniter solenoid valve are opened simultaneously, and pulse igniter and spark plug are by the natural gas igniting that ignition burner is released and ignite The natural gas that burner noz(zle) is released, cyclelog controls immediately closes igniter solenoid valve, only retains combustion burning spray and continues to release Natural gas carries out combustion heating, avoids spark plug for a long time by flame calcination, when temperature sensor monitors combustion chamber room temperature Higher than setting peak when, cyclelog control burning solenoid valve close stop gas supply;Burn solenoid valve open normally to After gas supply and pulse igniter are lighted a fire in combustion chamber, when the protection time delay for reaching setting, if flame sensor is not supervised It measures the indoor natural gas of combustion chamber to be ignited, cyclelog control burning solenoid valve, igniter solenoid valve is closed or same time control Device is protected in pressing pressure regulating valve and pressure switch closing, is when this failed subs criber of generation can close device monitoring It is no to be pulse igniter, spark plug failure or supplied due to normal.
Wherein, the flue gas mixer includes hot air cavity, mixing chamber, the mixing chamber both ends be respectively arranged with flue gas into Mouthful, exhanst gas outlet, the flue gas in flue enters mixing chamber through gas inlet and mixing chamber is discharged by exhanst gas outlet after the heating, institute It states hot air cavity to be wrapped in outside mixing chamber, is provided with multiple connection mixing chambers in the cavity wall of the mixing chamber and hot air cavity junction With the mixing stomata of hot air cavity, heat is made by the mixing stomata in the cavity wall for being distributed in mixing chamber and hot air cavity junction Wind can be mixed adequately with flue gas, while hot air cavity is wrapped in outside mixing chamber and allows to heat entire mixing chamber It improves heating efficiency and has both insulation effect.
Wherein, the combustion fan air inlet is provided with blast switch, and adjusting hot air flow is provided on the hot air duct The electric butterfly valve of size is measured, described program controller is electrically connected with blast switch, electric butterfly valve respectively.During operation of the device, When blast switch monitors combustion fan operation irregularity, cyclelog control device, which stops working, protects device, leads to Cross cyclelog can control electric butterfly valve folding amount change hot wind size, user can by cyclelog into Row setting is to control the folding amount of electric butterfly valve.
Wherein, it is laid with heat-barrier material outside the combustion chamber and flue gas mixer, the mixing chamber, which uses, leads Hot material.
The utility model using above-mentioned technical solution have heating temperature it is controllable, using it is safe, be not easy corrosion and damage, at This low advantage.
Detailed description of the invention
Fig. 1, the utility model embodiment structural schematic diagram.
Fig. 2, the utility model embodiment flue gas mixer structure schematic diagram.
10, combustion chamber, 11, hot air duct, 12, electric butterfly valve, 20, combustion fan, 31, air accumulator, 32, pressure tune Save valve, 33, pressure switch, 34, burning solenoid valve, 35, igniter solenoid valve, 36, burner noz(zle), 37, ignition burner, 38, gas supply Pipeline, 41, pulse igniter, 42, spark plug, 43, flame sensor, 44, temperature sensor, 50, flue gas mixer, 51, heat Wind chamber, 52, mixing chamber, 53, gas inlet, 54, exhanst gas outlet, 55, mixing stomata.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
A kind of hot air type Smoke-heating device, the hot air type Smoke-heating device is for before carrying out catalysis reduction to flue gas Heating, the hot air type Smoke-heating device includes combustion chamber 10, outside air is delivered to helping in combustion chamber 10 Blower 20, natural gas supply mechanism, Combustion System mechanism, flue gas mixer 50 are fired, the combustion chamber 10 is provided with air and enters Mouth, hot-blast outlet, 20 air outlet of combustion fan connect 10 air intake of combustion chamber, and the hot-blast outlet passes through hot air pipe Road 11 connects flue gas mixer 50, and natural gas supply mechanism is by natural gas transportation to combustion chamber 10, natural gas and combustion air Machine 20 is delivered to combustion heating combustion chamber controllable under Combustion System mechanism controls after the air in combustion chamber 10 mixes Air in 10 forms hot wind, and hot wind enters flue gas mixer 50 through hot air duct 11, and the flue gas mixer 50 is for mixing The hot wind that flue gas is discharged with combustion chamber 10 increases flue-gas temperature;
The natural gas supply mechanism includes air accumulator 31, steam line 38, pressure-regulating valve 32, pressure switch 33, combustion Burn solenoid valve 34, igniter solenoid valve 35, burner noz(zle) 36, ignition burner 37, the steam line include a three-way connection, three Three ports of pass joint are separately connected one section of steam line, wherein one section of connection air accumulator 31 of steam line 38, in addition two sections It is separately connected burner noz(zle) 36, ignition burner 37, the burner noz(zle) 36 and ignition burner 37 are arranged in combustion chamber 10 And ignition burner 37 is located at 36 lower section of burner noz(zle), close storage on the steam line 38 between the air accumulator 31 and three-way connection 31 side of gas tank is provided with pressure-regulating valve 32 and three-way connection side is provided with pressure switch 33, the pressure switch 33 For pressure switch 33 open in usual, igniter solenoid valve is provided on the steam line 38 between the ignition burner 37 and three-way connection 35, burning solenoid valve 34 is provided on the steam line 38 between the burner noz(zle) 36 and three-way connection;
The pressure-regulating valve 32 is electronic pressure regulating valve 32, passes through the adjustable air accumulator 31 of pressure-regulating valve 32 Export the uninterrupted of natural gas.It is by the air pressure in pressure switch 33 open in usual monitoring steam line 38 and automatic in superpressure It connects the cutting of steam line 38 to protect device, user can be set as needed overpressure protection value.The burner noz(zle) 36 Air accumulator 31 is connected by three-way connection and steam line 38, burner noz(zle) 36 and three-way connection are controlled by burning solenoid valve 34 Between steam line 38 on-off.The ignition burner 37 connects air accumulator 31 by three-way connection and steam line 38, passes through a little Thermoelectricity magnet valve 35 controls the on-off of steam line 38 between ignition burner 37 and three-way connection;
The Combustion System mechanism includes cyclelog, pulse igniter 41, spark plug 42, flame sensor 43, temperature Sensor 44 is spent, the spark plug 42, flame sensor 43, temperature sensor 44 are arranged in combustion chamber 10 and spark plug 42 are arranged between burner noz(zle) 36 and ignition burner 37, and burner noz(zle) 36, spark plug 42 and ignition burner 37 connect from top to bottom At a vertical line, flame sensor 43 is set to 36 top of burner noz(zle), and the pulse igniter 41 connects with spark plug 42 Connect, described program controller respectively with pulse igniter 41, flame sensor 43, temperature sensor 44, pressure-regulating valve 32, pressure Power switch 33, burning solenoid valve 34, igniter solenoid valve 35 are electrically connected;
Natural gas in combustion chamber 10 is controlled by pulse igniter 41, spark plug 42 to ignite.Pass through flame sensor Whether the natural gas in 43 monitoring combustion chambers 10 is ignited, and prevents from causing not due to pulse igniter 41 or 42 failure of spark plug Excessive being gathered in combustion chamber 10 or spill into of natural gas through igniting causes safety accident in exhaust gases passes.Pass through temperature Spend the air themperature in the monitoring combustion chamber 10 of sensor 44.
Cyclelog respectively with pulse igniter 41, flame sensor 43, temperature sensor 44, pressure-regulating valve 32, Pressure switch 33, burning solenoid valve 34, igniter solenoid valve 35 are electrically connected, for controlling gas supply and the combustion of natural gas supply mechanism The burning of natural gas in chamber 10 is burnt, the flow of natural gas, steam line 38 can be set separately in user by cyclelog The bound of temperature in interior air pressure, combustion chamber 10, the time delay for the protection that carries out dying automatically;
When temperature sensor 44 monitors that temperature is lower than the minimum set in combustion chamber 10, cyclelog control Burn solenoid valve 34 and igniter solenoid valve 35 is opened, and pulse igniter 41 and spark plug 42 are by the natural gas point in combustion chamber 10 Combustion, when temperature sensor 44 monitors that temperature is higher than the peak of setting in combustion chamber 10, cyclelog control burning Solenoid valve 34, which is closed, stops gas supply;Burning solenoid valve 34 is normally supplied into combustion chamber 10 and pulse igniter 41 carries out a little After fire, when the protection time delay for reaching setting, if flame sensor 43 does not monitor that the natural gas in combustion chamber 10 is ignited, journey Sequence controller control burning solenoid valve 34, igniter solenoid valve 35 closes or control simultaneously pressure-regulating valve 32 and pressure switch 33 is closed It closes and device is protected, can close whether device monitoring is pulse igniter 41, spark plug when this failed subs criber occurs 42 break down or due to abnormal gas supply.
Preferably, the flue gas mixer 50 includes hot air cavity 51, mixing chamber 52,52 both ends of mixing chamber are set respectively It is equipped with gas inlet 53, exhanst gas outlet 54, the flue gas in flue is through gas inlet 53 into mixing chamber 52 and after the heating by cigarette 54 discharge mixing chamber 52 of gas outlet, the hot air cavity 51 are wrapped in outside mixing chamber 52, and the mixing chamber 52 connects with hot air cavity 51 It is provided with the mixing stomata 55 of multiple connection mixing chambers 52 and hot air cavity 51 in the cavity wall at the place of connecing, is distributed in mixing chamber by surrounding 52 mix hot wind adequately with flue gas with the mixing stomata 55 in the cavity wall of 51 junction of hot air cavity, while hot air cavity 51 are wrapped in outside mixing chamber 52 and allow to carry out entire mixing chamber 52 heating and improve heating efficiency and have both insulation effect.
Preferably, 20 air inlet of combustion fan is provided with blast switch, tune is provided on the hot air duct 11 The electric butterfly valve 12 of hot air flow size is saved, described program controller is electrically connected with blast switch, electric butterfly valve 12 respectively.In When device works, when blast switch monitors that 20 operation irregularity of combustion fan, cyclelog control device stop working to dress It sets and is protected, change the size of hot wind by the folding amount that cyclelog can control electric butterfly valve 12, user can lead to It crosses and setting is carried out to control the folding amount of electric butterfly valve 12 to cyclelog.
Preferably, being laid with heat-barrier material, the mixing chamber 52 outside the combustion chamber 10 and flue gas mixer 50 Use Heat Conduction Material.
The utility model using the above embodiments have heating temperature it is controllable, using it is safe, be not easy corrosion and damage, cost Low advantage.
A kind of embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (4)

1. a kind of hot air type Smoke-heating device, which is characterized in that including combustion chamber, to deliver the air to combustion chamber indoor Combustion fan, natural gas supply mechanism, Combustion System mechanism, flue gas mixer, the combustion chamber are provided with air intake, heat Wind outlet, the combustion fan air outlet connect combustion chamber air intake, and the hot-blast outlet connects cigarette by hot air duct Gas mixer, hot wind of the flue gas mixer for mixed flue gas and combustion chamber discharge;
The natural gas supply mechanism includes air accumulator, steam line, pressure-regulating valve, pressure switch, burning solenoid valve, igniting Solenoid valve, burner noz(zle), ignition burner, the steam line include a three-way connection, and three ports of three-way connection are distinguished One section of steam line is connected, wherein one section of steam line connects air accumulator, is in addition separately connected burner noz(zle), point fire-fighting for two sections Mouth, the burner noz(zle) and ignition burner are arranged in combustion chamber and ignition burner is located at below burner noz(zle), the storage Air accumulator side is provided with pressure-regulating valve and close three-way connection one on steam line between gas tank and three-way connection Side is provided with pressure switch, and igniter solenoid valve is provided on the steam line between the ignition burner and three-way connection, described Burning solenoid valve is provided on steam line between burner noz(zle) and three-way connection;
The Combustion System mechanism includes cyclelog, pulse igniter, spark plug, flame sensor, temperature sensor, institute State that spark plug, flame sensor, temperature sensor are arranged in combustion chamber and spark plug is arranged in burner noz(zle) and igniting Between nozzle, burner noz(zle), spark plug and ignition burner are linked to be a vertical line from top to bottom, and flame sensor is set to combustion It burns above nozzle, the pulse igniter is connect with spark plug, and described program controller is sensed with pulse igniter, flame respectively Device, temperature sensor, pressure-regulating valve, pressure switch, burning solenoid valve, igniter solenoid valve are electrically connected.
2. hot air type Smoke-heating device according to claim 1, which is characterized in that the flue gas mixer includes hot wind Chamber, mixing chamber, the mixing chamber both ends are respectively arranged with gas inlet, exhanst gas outlet, and the hot air cavity is wrapped in outside mixing chamber The mixing stomata of multiple connection mixing chambers and hot air cavity is provided in the cavity wall of portion, the mixing chamber and hot air cavity junction.
3. hot air type Smoke-heating device according to claim 2, which is characterized in that the combustion fan air inlet setting There is blast switch, the electric butterfly valve for adjusting hot air flow size, described program controller difference are provided on the hot air duct It is electrically connected with blast switch, electric butterfly valve.
4. hot air type Smoke-heating device according to claim 3, which is characterized in that the combustion chamber is mixed with flue gas Heat-barrier material is laid with outside device, the mixing chamber uses Heat Conduction Material.
CN201920209545.1U 2019-02-19 2019-02-19 A kind of hot air type Smoke-heating device Active CN209605198U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920209545.1U CN209605198U (en) 2019-02-19 2019-02-19 A kind of hot air type Smoke-heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920209545.1U CN209605198U (en) 2019-02-19 2019-02-19 A kind of hot air type Smoke-heating device

Publications (1)

Publication Number Publication Date
CN209605198U true CN209605198U (en) 2019-11-08

Family

ID=68402401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920209545.1U Active CN209605198U (en) 2019-02-19 2019-02-19 A kind of hot air type Smoke-heating device

Country Status (1)

Country Link
CN (1) CN209605198U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112050185A (en) * 2020-09-16 2020-12-08 太原理工大学 Heat supply device
CN116672866A (en) * 2023-06-16 2023-09-01 河南碳路者新材料科技有限公司 Flue gas treatment system for isostatic pressure graphite production

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112050185A (en) * 2020-09-16 2020-12-08 太原理工大学 Heat supply device
CN116672866A (en) * 2023-06-16 2023-09-01 河南碳路者新材料科技有限公司 Flue gas treatment system for isostatic pressure graphite production
CN116672866B (en) * 2023-06-16 2024-05-14 河南碳路者新材料科技有限公司 Flue gas treatment system for isostatic pressure graphite production

Similar Documents

Publication Publication Date Title
CN203687046U (en) Safe and energy-saving proportional fuel gas burner
CN105674578B (en) A kind of gas heater and its control method of a pressure self-adjusting section
CN209605198U (en) A kind of hot air type Smoke-heating device
CN106642646A (en) Gas water heater and control method thereof
CN104946833B (en) Automatic ignition and combustion accompanying device for blast furnace and converter gas desorption tower
CN206347574U (en) A kind of fuel burner nozzle device of energy-saving safe
CN2890657Y (en) Heat storage type pulse burning nozzle
CN102052693A (en) Jet type gas furnace
CN107543163A (en) A kind of fuel burner nozzle device of energy-saving safe
CN110173887A (en) It is a kind of to premix low nitrogen gas displacement type water heater and its control method
CN113217914A (en) Combustor and hanging stove of even segmentation burning
CN206755161U (en) A kind of combustion heater
CN207648845U (en) A kind of time sequence control device of Brown Gas application burning
CN201229056Y (en) Coal-gas fired heat conducting oil furnace
CN207179653U (en) Alcohol-based fuel gasifying furnace head
CN201628381U (en) Straw pallet burning hot blast furnace
CN206861529U (en) A kind of high power burner
CN206724170U (en) Regenerative radiant tube burner and there is its pyrolysis oven
CN205975331U (en) Hot radiation heating wall of high pressure draught injection type
CN220417380U (en) Ignition device with interlocking protection for gas hot air furnace
CN110529847A (en) Combustor and have its domestic appliance
CN213955624U (en) Gas water heater with ozone generator
CN2934933Y (en) Full-automatic fan-free minisize gas combustor
CN204211496U (en) For the apparatus for baking of chlorination furnace
CN209605390U (en) A kind of denitrating tower hot air type Smoke-heating device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant