CN207196906U - A kind of gas heater - Google Patents

A kind of gas heater Download PDF

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Publication number
CN207196906U
CN207196906U CN201721113376.9U CN201721113376U CN207196906U CN 207196906 U CN207196906 U CN 207196906U CN 201721113376 U CN201721113376 U CN 201721113376U CN 207196906 U CN207196906 U CN 207196906U
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CN
China
Prior art keywords
heat
gas heater
exchanger
combustion chamber
wall
Prior art date
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Active
Application number
CN201721113376.9U
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Chinese (zh)
Inventor
寿利萍
梁泽锋
梁国荣
薛承志
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.)
Dalian Institute of Chemical Physics of CAS
Midea Group Co Ltd
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Filing date
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Priority to CN201721113376.9U priority Critical patent/CN207196906U/en
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Abstract

The utility model discloses a kind of gas heater, including blower fan, gas inlet pipeline and the intake valve being serially connected on gas inlet pipeline;Gas heater also includes:Jacket heat-exchanger, enclose to form upper combustion chamber;Catalytic burner, installed in upper combustion chamber;Lower combustion chamber is formed at drain pan, drain pan bottom;Drain pan is provided with exhaust opening;Drain pan docks with jacket heat-exchanger and forms Heat Room;Preheated burning device, installed in lower combustion chamber;Installed in the main heat exchanger of Heat Room;Controller, to when gas heater starts, the device burning of control preheated burning controls preheated burning device to extinguish with heatable catalytic burner when the temperature of catalytic burner reaches more than catalysis initiation temperature.Gas heater of the present utility model can fully improve energy utilization rate and reduce the discharge of harmful substance.

Description

A kind of gas heater
Technical field
Household appliance technical field is the utility model is related to, more particularly to a kind of gas heater.
Background technology
At present, the combustion system that gas heater mainly uses in the industry is flaming combustion, i.e., fuel enters with oxygen or air Capable Fast exothermic and oxidation reaction that is luminous and occurring in the form of flame.This combustion system not only incomplete combustion, heat Efficiency is low, energy utilization rate is not high, and the pollutant generated in combustion process is more.Catalysis burning is fuel in catalyst Under effect, the combustion reaction that carries out in a certain temperature conditions.Compared with flaming combustion, catalysis ignition temperature is relatively low, burning Compare safety, be a kind of relative efficiency, the combustion system of cleaning.Therefore, tradition is replaced with the catalysis burning of relative efficiency, cleaning Flaming combustion, can effectively improve energy utilization rate and reduce harmful substance discharge.
Utility model content
Main purpose of the present utility model is to propose a kind of gas heater, it is intended to solves gas heater in the prior art Energy utilization rate it is low and it is easy generation harmful substance technical problem.
To achieve the above object, the utility model proposes a kind of gas heater, including blower fan, gas inlet pipeline with And it is serially connected in the intake valve on the gas inlet pipeline;The gas heater also includes:
Jacket heat-exchanger, upper combustion chamber is formed in setting and enclosing towards lower open mouth;
Catalytic burner, installed in the upper combustion chamber;
Drain pan, set in open upward, lower combustion chamber is formed at the bottom of the bottom case inner cavity;The drain pan is provided with and it The exhaust opening of inner chamber connection;The open sealing of the open and jacket heat-exchanger of the drain pan is docked and forms Heat Room;
Preheated burning device, installed in the lower combustion chamber;
Installed in the main heat exchanger of the Heat Room, connected with the jacket heat-exchanger;
Temperature sensor, for detecting the temperature of the catalytic burner;
Controller, electrically connected with the temperature sensor;The controller is to when the gas heater starts, control The preheated burning device burning is made to heat the catalytic burner, and reaches catalysis ignition in the temperature of the catalytic burner The preheated burning device is controlled to extinguish when more than temperature.
Preferably, the jacket heat-exchanger includes mutually nested from the inside to the outside inner bag and shell, and the inner bag encloses shape Into upper combustion chamber, the inner bag includes the inner roof wall of spherical crown shape, and from the tubular that the edge of the inner roof wall extends downwardly Side wall, down, the horizontal extension of the catalytic burner is simultaneously relative with the concave surface of the inner roof wall for the concave surface of the inner roof wall Set.
Preferably, the gas heater also includes the heat collecting cylinder set installed in the Heat Room and in open at both ends, The main heat exchanger is sheathed on the periphery of the heat collecting cylinder, and the shape of cross section of the heat collecting cylinder is circular, and the heat collecting cylinder One end connects with the upper combustion chamber, and the other end connects with the lower combustion chamber.
Preferably, the inner bag also includes the annular flange outwards turned down from the root edge of the madial wall, the shell bag Include the outer roof of spherical crown shape, and the tubular lateral wall extended downwardly from the edge of the outer roof, the concave surface of the outer roof Down, the root edge of the lateral wall is tightly connected with the flange.
Preferably, the water inlet of the jacket heat-exchanger is opened in the top of shell.
Preferably, the drain pan includes upper accommodating cylinder and the upward open lower accommodating cylinder set, the upper accommodating cylinder it is upper The open sealing docking of the jacket heat-exchanger is held, the bottom wall of the upper accommodating cylinder offers connector between two parties, described lower accommodating The open and connector sealing of cylinder is docked, and the lower combustion chamber is formed in the lower accommodating cylinder.
Preferably, the open sealing with the connector in the heat collecting cylinder lower end is docked, the side wall of the heat collecting cylinder with it is described The side wall for housing cylinder down is wholely set.
Preferably, the upper end of the heat collecting cylinder supports the catalytic burner, and the side wall of the heat collecting cylinder upper end is circumferentially Provided with multiple air-vents.
Preferably, the main heat exchanger is bonded the internal face of the upper accommodating cylinder and set, the main heat exchanger with it is described on The junction of accommodating cylinder is provided with water inlet interface, the water inlet interface extend to the outside of the upper accommodating cylinder and with the main heat exchange Device connects;
The jacket heat-exchanger is provided with water outlet mouthpiece at the outside wall surface of one end of the drain pan, the water outlet mouthpiece with The inner chamber connection of jacket heat-exchanger;The gas heater also includes the connecting tube for connecting the water outlet mouthpiece and water inlet interface.
Preferably, the exhaust opening is opened between the bottom wall of the main heat exchanger and the upper accommodating cylinder;
Preferably, the controller is additionally operable to when the temperature of the catalytic burner reaches more than catalysis initiation temperature, Control the blower fan to increase the air inflow of air and the control intake valve in the unit interval and increase combustion gas in the unit interval Air inflow is so that the preheated burning device extinguishes.
The utility model gas heater above preheated burning device by setting catalytic burner, first with preheated burning The flaming combustion carried out on device, when the temperature of catalytic burner reaches more than default catalysis initiation temperature, air and combustion gas Catalysis burning of controlling oneself can occur on catalytic burner for mixed gas, because the catalytic action of catalyst, combustion gas is compared with low temperature It can be burnt under degree on catalytic burner, and combustion gas is almost discharged close to completely burned without CO.Because catalysis is fired Flue-gas temperature after burning is lower than the temperature of flaming combustion, and the low emission of nitrogen oxides can be achieved.Can in the thermal current of upper combustion chamber Tentatively to be exchanged heat with jacket heat-exchanger first, flowed downward then along the annular space between Heat Room and heat collecting cylinder and with putting Main heat exchanger heat exchange below jacket heat-exchanger, is most discharged through exhaust opening, in this way, having been carried out twice to water in heat transfer process afterwards Heating, effectively increases capacity usage ratio and the efficiency of heating surface.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model gas heater one;
Fig. 2 is the schematic diagram of the cross-section structure of gas heater one in Fig. 1;
Fig. 3 is the schematic diagram of another cross-section structure of gas heater in Fig. 1;
Fig. 4 is the control module schematic diagram of the embodiment of the utility model gas heater one.
Drawing reference numeral explanation:
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of gas heater.
In the utility model embodiment, as shown in Figures 1 to 4, the gas heater includes blower fan 1, gas inlet pipe Road (not shown) and the intake valve (not shown) being serially connected on gas inlet pipeline;Gas heater also includes:
Jacket heat-exchanger 3, upper combustion chamber 30 is formed in setting and enclosing towards lower open mouth;
Catalytic burner 4, installed in upper combustion chamber 30;
Drain pan 5, set in open upward, lower combustion chamber 51 is formed at the bottom of the inner chamber of drain pan 5;Drain pan 5 be provided with it The exhaust opening 52 of chamber connection;The opening of drain pan 5 is docked with the open sealing of jacket heat-exchanger 3 and forms Heat Room 350;
Preheated burning device 6, installed in lower combustion chamber 51;
Installed in the main heat exchanger 8 of Heat Room 350, connected with jacket heat-exchanger 3;
Temperature sensor 9, for detecting the temperature of catalytic burner 4;
Controller 10, electrically connected with temperature sensor 9;Controller 10 is to when gas heater starts, control preheats Burner 6 burns with heatable catalytic burner 4, and is controlled when the temperature of catalytic burner 4 reaches more than catalysis initiation temperature Preheated burning device 6 extinguishes.
In the present embodiment, blower fan 1, gas heater and intake valve can use existing, will not be described in detail herein.Chuck Heat exchanger 3 be it is a kind of using mezzanine space come the heat exchanger for water heat exchange disposed within.Water inlet is set on jacket heat-exchanger 3 34 connect with extraneous circulation line to facilitate and continually introduce cold water.Both can be direct between jacket heat-exchanger 3 and main heat exchanger 8 Connection can also pass through pipeline indirect communication.
Catalytic burner 4 generally comprises the catalyst of catalyst carrier and setting on a catalyst support, and catalyst leads to Often with there is fixed catalysis initiation temperature, i.e., after catalytic burner 4 temperature of itself reaches catalysis initiation temperature, flow through its Combustion gas will carry out flameless combustion to discharge heat under catalyst action with the oxygen in air.In order to increase the attached of catalyst Area, and then increases catalytic action space, catalyst carrier typically uses heat-resisting alveolate texture.
Drain pan 5 is that preheated burning device 6 and main heat exchanger 8 provide accommodation space, and can form the branch to heat collecting cylinder 7 Support.It is understood that the gas outlet of the air outlet of blower fan 1, gas inlet pipeline connects with lower combustion chamber 51.
Preheated burning device 6 can use existing gas burner, and for example, gas heater also includes igniter 13, igniter 13 is the combustion gas of the injection from preheated burning device 6 to be lighted.I.e. under the control of controller 10, igniter 13 Relevant action be present with intake valve.
The utility model gas heater is fired by setting catalytic burner 4 above preheated burning device 6 first with preheating The flaming combustion carried out in burner 6.When the temperature of catalytic burner 4 reach it is default catalysis initiation temperature more than when, air with Combustion gas mixing gas can occur on catalytic burner 4 control oneself catalysis burning because the catalytic action of catalyst, combustion gas compared with It can be burnt under low temperature on catalytic burner 4, and combustion gas is almost discharged close to completely burned without CO.Due to Flue-gas temperature after catalysis burning is lower than the temperature of flaming combustion, and the low emission of nitrogen oxides can be achieved.
Can tentatively be exchanged heat with jacket heat-exchanger 3 first in the thermal current of upper combustion chamber 30, then along Heat Room 350 with Annular space between heat collecting cylinder 7 flows downward and the main heat exchanger 8 with being placed in the lower section of jacket heat-exchanger 3 exchanges heat, most afterwards through row Mouth 52 is discharged;At the same time, water to be heated, flowed into first from the water inlet 34 of jacket heat-exchanger 3, flowing through gum cover heat exchange Main heat exchanger 8 is entered back into after device 3, is most flowed out afterwards through the delivery port 82 on main heat exchanger 8.In this way, water is carried out in heat transfer process Heat twice, effectively increase capacity usage ratio and the efficiency of heating surface.
Further, jacket heat-exchanger 3 includes mutually nested from the inside to the outside inner bag 31 and shell 32, and inner bag 31 encloses shape Into upper combustion chamber 30, inner bag 31 includes the inner roof wall 311 of spherical crown shape, and the tubular extended downwardly from the edge of inner roof wall 311 Madial wall 312, down, the horizontal extension of catalytic burner 4 is simultaneously relative with the concave surface of inner roof wall 311 for the concave surface of inner roof wall 311 Set.
In the present embodiment, the concave surface of inner roof wall 311 can more be relaxed with convection current to the thermal current of inner roof wall 311 Commutation is oriented to so that flowing through the air-flow of catalytic burner 4 more can sequentially flow between Heat Room 350 and heat collecting cylinder 7 Annular space;Meanwhile before catalytic burner 4 not up to catalytic temperature, under the reflex of inner roof wall 311, heat radiation can Preferably to concentrate catalytic burner 4, and then accelerate firing rate.Catalytic burner 4 is then advantageous to more in being horizontally disposed with Ground, absorb the heat for flowing through thermal current.
Further, inner bag 31 also includes the annular flange 313 outwards turned down from the root edge of madial wall 312, and shell 32 wraps The outer roof 321 of spherical crown shape, and the tubular lateral wall 322 extended downwardly from the edge of outer roof 321 are included, outer roof 321 Down, root edge and the flange 313 of lateral wall 322 are tightly connected for concave surface.
In the present embodiment, by setting the shell 32 of flange 313 to be preferably socketed with inner bag 31.Preferably, flange The outer peripheral face of 313 protrusion lateral walls 322, the open edge of drain pan 5 are outwards turned down formed with scrap (bridge) 53, scrap (bridge) 53 and flange 313 phases overlap and seal cooperation.Effectively, the cross section of madial wall 312 and lateral wall 322 is circle, madial wall 312 and outer The uniform heat exchanging interlayer chamber 33 of radial thickness is formed between side wall 322.
Further, the water inlet 34 of jacket heat-exchanger 3 is opened in the top of shell 32.Due to jacket heat-exchanger 3 with The heat that its open relative top wall surface absorbs catalysis heat exchanger is most, the setting of the present embodiment water inlet 34, it is ensured that just The water for beginning to introduce exchanges heat with the temperature highest position of jacket heat-exchanger 3 first.
Further, gas heater also includes the heat collecting cylinder 7 set installed in Heat Room 350 and in open at both ends, main Heat exchanger 8 is sheathed on the periphery of heat collecting cylinder 7, and the shape of cross section of heat collecting cylinder 7 is circular, and the one end of heat collecting cylinder 7 and upper combustion chamber 30 connect, and the other end connects with lower combustion chamber 51.
In the present embodiment, heat collecting cylinder 7 is simply separated to exchange hot cell 350, and with exhaust opening 52 coordinate under, with Heat and thermal current are flowed along preheated burning device 6, catalytic burner 4, jacket heat-exchanger 3 and 8 this path of main heat exchanger. In heat collecting cylinder 7 under effect, preheated burner 6 heat after air flow collection in act on catalytic burner 4 and be advantageous to quickening and urge Change the firing rate of burner 4.
Further, drain pan 5 includes upper accommodating cylinder 54 and the upward open lower accommodating cylinder 55 set, upper accommodating cylinder 54 it is upper The open sealing docking of jacket heat-exchanger 3 is held, the bottom wall of upper accommodating cylinder 54 offers connector 541 between two parties, lower accommodating cylinder 55 Open to be docked with the sealing of connector 541, lower combustion chamber 51 is formed in lower accommodating cylinder 55.
In the present embodiment, because warmup heater mainly plays a part of heatable catalytic burner 4, therefore, with preheating It is in smaller than upper accommodating cylinder 54 that the volume of lower combustion chamber 51 corresponding to heater and horizontal cross-sectional area, which can be set,.From For functionally, upper accommodating cylinder 54 also needs to be connected with jacket heat-exchanger 3, and forms the space of accommodating main heat exchanger 8, because This, it is more reasonable to be arranged to up big and down small structure by drain pan 5.
Further, the lower end of heat collecting cylinder 7 is open docks with the sealing of connector 541, the side wall of heat collecting cylinder 7 and lower accommodating cylinder 55 Side wall be wholely set.
In the present embodiment, each shell-like structure generally preferably uses steelwork, such as plate bending welding procedure, and collects The side wall of hot cylinder 7 and lower accommodating cylinder 55 is wholely set, then is advantageous to both and uses the tubing of same specification, and then can reduce spelling Technique is connect, reduces cost.
Further, the upper end support catalytic burner 4 of heat collecting cylinder 7, the side wall of the upper end of heat collecting cylinder 7 is circumferentially arranged with multiple Air-vent 71.
In the present embodiment, by setting air-vent 71, be advantageous to the combustion gas after being ignited or hot gas flows to Heat Room 350 Annular space backflow between heat collecting cylinder 7.
Further, the internal face that cylinder 54 is housed in the fitting of main heat exchanger 8 is set, main heat exchanger 8 and upper accommodating cylinder 54 Junction is provided with water inlet interface 81, and water inlet interface 81 extends to the outside of accommodating cylinder 54 and connected with main heat exchanger 8;
Jacket heat-exchanger 3 is provided with water outlet mouthpiece 35 at the outside wall surface of one end of drain pan 5, and water outlet mouthpiece 35 changes with chuck The inner chamber connection of hot device 3;Gas heater also includes the connecting tube 11 of connection water outlet mouthpiece 35 and water inlet interface 81.
In the present embodiment, connecting tube 11 is placed on the main body section of gas heater, is more beneficial for gas heater Assembling Production.Water outlet mouthpiece 35 is positioned adjacent to the position of drain pan 5, the top of jacket heat-exchanger 3 is arranged on reference to water inlet 34 Embodiment, the average path that water in jacket heat-exchanger 3 flows can be so lengthened, so as to improve heat exchange efficiency.
Further, exhaust opening 52 is opened between the bottom wall of main heat exchanger 8 and upper accommodating cylinder 54;In this way, it can cause Thermal current or radiation could must discharge after being exchanged heat with main heat exchanger 8 through exhaust opening 52, and then can improve gas heater Overall heat utilization efficiency.Specifically, gas heater also includes the smoke exhaust pipe for being connected and upwardly extending with exhaust opening 52, in this way, User can be facilitated to connect other smoke discharging structures.
Further, controller 10 is additionally operable to when the temperature of catalytic burner 4 reaches more than catalysis initiation temperature, control Blower fan 1 increase the unit interval in air air inflow and control intake valve increase the unit interval in combustion gas air inflow so that Preheated burning device 6 extinguishes.
In the present embodiment, by controlling the intake velocity of air and combustion gas to reach the de- live wire speed of preheated burning device 6, The flame on preheated burning device 6 can be made quickly to extinguish, and then switch to the catalysis burning by catalytic burner 4.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.

Claims (10)

1. a kind of gas heater, including blower fan, gas inlet pipeline and the air inlet being serially connected on the gas inlet pipeline Valve;Characterized in that, the gas heater also includes:
Jacket heat-exchanger, upper combustion chamber is formed in setting and enclosing towards lower open mouth;
Catalytic burner, installed in the upper combustion chamber;
Drain pan, set in open upward, lower combustion chamber is formed at the bottom of the bottom case inner cavity;The drain pan is provided with and its inner chamber The exhaust opening of top connection;The open sealing of the open and jacket heat-exchanger of the drain pan is docked and forms Heat Room;
Preheated burning device, installed in the lower combustion chamber;
Connected installed in the main heat exchanger of the Heat Room, and with the jacket heat-exchanger;
Temperature sensor, for detecting the temperature of the catalytic burner;And
Controller, electrically connected with the temperature sensor;The controller controls institute to when the gas heater starts The burning of preheated burning device is stated to heat the catalytic burner, and reaches catalysis initiation temperature in the temperature of the catalytic burner The preheated burning device is controlled to extinguish during the above.
2. gas heater as claimed in claim 1, it is characterised in that the jacket heat-exchanger includes mutually embedding from the inside to the outside The inner bag and shell of set, the inner bag enclose to form upper combustion chamber, and the inner bag includes the inner roof wall of spherical crown shape, and described in The tubular madial wall that the edge of inner roof wall extends downwardly, down, the catalytic burner is horizontal for the concave surface of the inner roof wall Extend and be oppositely arranged with the concave surface of the inner roof wall.
3. gas heater as claimed in claim 2, it is characterised in that the inner bag also includes the root edge from the madial wall The annular flange outwards turned down, the shell includes the outer roof of spherical crown shape, and is extended downwardly from the edge of the outer roof Tubular lateral wall, down, the root edge of the lateral wall and the flange are tightly connected for the concave surface of the outer roof.
4. the gas heater as described in claim any one of 1-3, it is characterised in that the water inlet of the jacket heat-exchanger is opened Located at the top of shell.
5. gas heater as claimed in claim 1, it is characterised in that the gas heater also includes being arranged on described change Hot cell is simultaneously sheathed on the periphery of the heat collecting cylinder in the heat collecting cylinder of open at both ends setting, the main heat exchanger, the heat collecting cylinder Shape of cross section is circle, and described heat collecting cylinder one end connects with the upper combustion chamber, and the other end connects with the lower combustion chamber.
6. gas heater as claimed in claim 5, it is characterised in that the drain pan includes upper accommodating cylinder and opening is set upward The lower accommodating cylinder put, the open sealing docking of jacket heat-exchanger described in the upper end of the upper accommodating cylinder, the bottom of the upper accommodating cylinder Wall offers connector between two parties, and the open and connector sealing of the lower accommodating cylinder is docked, and the lower combustion chamber is formed In the lower accommodating cylinder;
The heat collecting cylinder lower end is open to dock with connector sealing, the side wall of the heat collecting cylinder and the side of the lower accommodating cylinder Wall is wholely set.
7. the gas heater as described in claim 5 or 6, it is characterised in that the upper end of the heat collecting cylinder supports the catalysis Burner, the side wall of the heat collecting cylinder upper end is circumferentially arranged with multiple air-vents.
8. gas heater as claimed in claim 6, it is characterised in that the main heat exchanger is bonded the interior of the upper accommodating cylinder Wall is set, and the junction of the main heat exchanger and the upper accommodating cylinder is provided with water inlet interface, and the water inlet interface extends to institute State the outside of accommodating cylinder and connected with the main heat exchanger;
The jacket heat-exchanger is provided with water outlet mouthpiece, the water outlet mouthpiece and chuck at the outside wall surface of one end of the drain pan The inner chamber connection of heat exchanger;The gas heater also includes the connecting tube for connecting the water outlet mouthpiece and water inlet interface.
9. gas heater as claimed in claim 6, it is characterised in that the exhaust opening is opened in the main heat exchanger and institute Between the bottom wall for stating accommodating cylinder.
10. gas heater as claimed in claim 1, it is characterised in that the controller is additionally operable in the catalysis burning When the temperature of device is reached more than catalysis initiation temperature, the blower fan is controlled to increase the air inflow of air and control in the unit interval Make the intake valve and increase the air inflow of combustion gas in the unit interval so that the preheated burning device extinguishes.
CN201721113376.9U 2017-08-31 2017-08-31 A kind of gas heater Active CN207196906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721113376.9U CN207196906U (en) 2017-08-31 2017-08-31 A kind of gas heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721113376.9U CN207196906U (en) 2017-08-31 2017-08-31 A kind of gas heater

Publications (1)

Publication Number Publication Date
CN207196906U true CN207196906U (en) 2018-04-06

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Application Number Title Priority Date Filing Date
CN201721113376.9U Active CN207196906U (en) 2017-08-31 2017-08-31 A kind of gas heater

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109425097A (en) * 2017-08-31 2019-03-05 芜湖美的厨卫电器制造有限公司 A kind of gas heater
CN110822705A (en) * 2018-08-13 2020-02-21 芜湖美的厨卫电器制造有限公司 Combustion heat exchange device, gas wall-mounted furnace and gas water heater

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109425097A (en) * 2017-08-31 2019-03-05 芜湖美的厨卫电器制造有限公司 A kind of gas heater
CN109425097B (en) * 2017-08-31 2024-02-23 芜湖美的厨卫电器制造有限公司 Gas water heater
CN110822705A (en) * 2018-08-13 2020-02-21 芜湖美的厨卫电器制造有限公司 Combustion heat exchange device, gas wall-mounted furnace and gas water heater
CN110822705B (en) * 2018-08-13 2021-08-20 芜湖美的厨卫电器制造有限公司 Combustion heat exchange device, gas wall-mounted furnace and gas water heater

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Effective date of registration: 20190301

Address after: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui

Co-patentee after: Dalian Institute of Chemical Physics, Chinese Academy of Sciences

Patentee after: Wuhu Midea Kitchen Applicances Manufacturing Co., Ltd.

Co-patentee after: Midea Group Co., Ltd.

Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui

Co-patentee before: Midea Group Co., Ltd.

Patentee before: Wuhu Midea Kitchen Applicances Manufacturing Co., Ltd.