阅读说明：本技术 集烟罩及采暖装置 (Exhaust fume collecting hood and heating device ) 是由 陈�峰 于 2021-02-22 设计创作，主要内容包括：本发明公开了集烟罩及采暖装置,属于民用采暖装置领域,本申请炉膛顶部烟气经原排烟系统排出之外还在灶台上方增设余气排出结构,该余气的排出,有效消除了采暖装置本身对室内空气质量的影响。新的采暖装置的炉膛顶部余热得到充分利用,密封性更好,减少了能量散失,使得采暖装置燃料利用率更高,采暖效果更好。(The invention discloses a smoke collecting hood and a heating device, belonging to the field of civil heating devices. The waste heat at the top of the hearth of the novel heating device is fully utilized, the sealing performance is better, and the energy loss is reduced, so that the fuel utilization rate of the heating device is higher, and the heating effect is better.)

1. Collection petticoat pipe, its characterized in that: including the collection fume hood body (4), collection fume hood body (4) is including the cavity that is suitable for hydrologic cycle, collection fume hood body (4) lateral wall sets up collection fume hood water inlet (41) and collection fume hood delivery port (43) and communicates with the cavity, collection fume hood body (4) middle part lateral wall includes exhaust port (3), the cavity encircles in exhaust port (3).

2. A smoke collecting hood according to claim 1, wherein: the exhaust ports (3) are uniformly distributed on the side wall of the middle part of the fume collecting hood body (4), and 2-6 exhaust ports (3) are arranged.

3. A smoke collecting hood according to claim 1, wherein: the side wall of the smoke collection cover body (4) is also provided with a water temperature sensor (42) and/or an anti-explosion valve (44) and/or a temperature detection port (46).

4. A smoke collecting hood according to claim 1, wherein: an air source air distribution pipe mounting hole (45) is axially formed in the bottom of the smoke collection hood body (4) close to the edge.

5. Heating installation comprising a fume collecting hood according to any one of claims 1 to 4, further comprising a furnace (1) and an exhaust duct (10), characterized in that: including top of a kitchen range (30), top of a kitchen range (30) cooperation has bell fume extractor (33), bell fume extractor (33) are including bell smoke evacuation cavity (331), bell smoke evacuation cavity (331) lateral wall sets up bell smoke evacuation interface (332), bell smoke evacuation interface (332) are connected with connecting pipe (34), connecting pipe (34) communicate to blast pipe (10).

6. The heating system according to claim 5, wherein: the cooking bench (30) is matched with the top of the fume collecting hood body (4), an upper air distribution device (11) and a hearth (1) are sequentially arranged below the fume collecting hood body (4), a heat exchanger (14) is arranged on the outer side of the hearth (1), and the heat exchanger comprises a heat exchanger water inlet (16) at the bottom and a heat exchanger water outlet (17) at the top; the circulating water of the heat exchanger carries out circulating heat exchange through a heat exchanger water inlet (16), a heat exchanger water outlet (17), a smoke collecting hood water inlet (41), a smoke collecting hood water outlet (43) and a heat exchange heating pipeline.

7. The heating system according to claim 6, wherein: the cooking bench (30) comprises a cooking bench smoke exhaust opening (301), and the cooking bench smoke exhaust opening (301) is matched with the smoke exhaust opening (3); and the flue gas at the top of the hearth (1) is discharged through a flue comprising a cooking bench smoke exhaust opening (301), a smoke exhaust port (3) and a heat exchanger (14) and an exhaust pipe (10).

8. The heating system according to claim 6, wherein: the upper air distribution device (11) comprises an upper air distribution chamber (12) and an air outlet pipe head (13), an air source in the air source distribution pipe distributes air to the hearth (1) through the upper air distribution chamber (12) and the air outlet pipe head (13), and the air outlet pipe head (13) is circumferentially and obliquely and uniformly distributed at the bottom of the upper air distribution chamber (12).

9. The heating system according to claim 6, wherein: the furnace is characterized by also comprising a lower air distribution device which is positioned right below the hearth (1), and air supply in the upper air distribution device (11) and the lower air distribution device is independently adjustable; the system also comprises a control system, and the control system adjusts the air supply states in the upper air distribution device (11) and the lower air distribution device according to the set proportion and the set size according to the furnace temperature detection and water temperature detection feedback results.

10. The heating system according to claim 5, wherein: the furnace cover smoke discharging device comprises a furnace cover smoke discharging device (33) and a first furnace cover (31) and a second furnace cover (32), wherein the first furnace cover (31) is matched with the bottom of the inner wall of a furnace cover smoke discharging cavity (331), and the second furnace cover (32) is matched with the top of the furnace cover smoke discharging cavity (331); the utility model discloses a furnace cover smoke exhaust interface, including furnace hearth (1), furnace cover smoke exhaust interface (332), connecting pipe (34) and blast pipe (10), furnace cover smoke exhaust interface (332) are located between first furnace cover (31) and second furnace cover (32), first furnace cover (31), furnace cover smoke exhaust cavity (331) and second furnace cover (32) enclose the synthetic enclosure space that only has furnace cover smoke exhaust interface (332), the residual gas of furnace hearth (1) top flue gas is discharged including this enclosure space, furnace cover smoke exhaust interface (332), connecting pipe (34) and blast pipe (10).

Technical Field

The invention belongs to the field of civil heating devices, and particularly relates to a smoke collecting hood and a heating device.

Background

At present, the civil heating furnace mainly comprises an electric heating furnace, a fuel oil and gas heating furnace, a coal-fired heating furnace and the like, wherein the coal-fired heating furnace is economical and practical, and is an ideal choice for urban and rural junctions and vast rural areas which do not have central heating and gas heating conditions and have low heating cost.

China carries out a perfect grading system on coal, including coal calorific value grading, phosphorus grading, sulfur grading and the like, and different grades of coal have different combustion characteristics. In the prior art, different combustion-supporting modes are not recorded for different fire coals. In the prior art, a vertical coal-fired normal-pressure hot water boiler mainly comprises a boiler shell end enclosure, a boiler liner top, a lower sealing ring, a cupola pipe and a transverse water pipe, wherein a combustion chamber is arranged in the boiler liner, fuel is combusted on a fixed grate, the natural ventilation is realized, smoke transversely erodes the transverse water pipe in the boiler liner, and the smoke is discharged into the atmosphere through the cupola pipe and a chimney.

The invention patent of the applicant's application "a heating device using solid fuel, application No. 202010355983.6" discloses: the air distribution system realizes independent adjustable air supply of the upper path and the lower path, controls the furnace temperature in a reasonable interval, can obviously improve the combustion efficiency, and can accurately adjust the oxygen content in the hearth, thereby ensuring that the furnace is always in an optimal combustion state, and realizing better combustion efficiency and better emission reduction effect.

However, there are deficiencies in the above-mentioned patent applications or the prior art, including:

1. residual gas is left above the cooking bench besides the smoke at the top of the hearth is discharged by the original smoke discharging system, and the residual gas has the harm of polluting indoor air although the residual gas is small in amount.

2. The original heat exchanger can well exchange heat of the side wall of the hearth and the heat of the flue gas, but the waste heat at the top of the hearth is not fully utilized.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the smoke collecting hood and the heating device are provided to improve the overall performance of the heating device, and the smoke collecting hood and the heating device comprise exhaust gas exhaust and full utilization of heat at the top of a hearth.

In order to solve the technical problems, the inventor obtains the technical scheme of the invention through practice and summary, and the invention discloses a smoke collecting hood which comprises a smoke collecting hood body, wherein the smoke collecting hood body comprises a cavity suitable for water circulation, the side wall of the smoke collecting hood body is provided with a smoke collecting hood water inlet and a smoke collecting hood water outlet and is communicated with the cavity, the side wall of the middle part of the smoke collecting hood body comprises a smoke exhaust port, and the cavity surrounds the smoke exhaust port. This scheme effectively utilizes heating device top heat, can carry out a heat exchange to furnace flue gas heat simultaneously.

Preferably, the exhaust ports are uniformly distributed on the side wall of the middle part of the fume collecting cover body, and the number of the exhaust ports is 2-6.

Preferably, the side wall of the fume collecting hood body is also provided with a water temperature sensor and/or an explosion-proof valve and/or a temperature detection port. The scheme of the water temperature sensor can observe the water temperature in real time and provide basis for judging the combustion state in the furnace, so that a user is further reminded to adjust the air supply effect or add fuel; the explosion-proof valve plays a role in safety guarantee; the temperature detection port is used for installing a temperature detection unit or a temperature sensor, and the temperature of the smoke outlet can be fed back, so that the temperature of the smoke outlet is indirectly fed back out of the hearth, or the temperature of the hearth is directly detected.

Preferably, the bottom of the fume collecting hood body close to the edge is axially provided with an air source air distribution pipe mounting hole. This scheme will be integrated in collection petticoat pipe bottom with former mounting hole, more can save space, save material and cost simultaneously.

The invention also discloses a heating device which comprises the smoke collecting hood, a hearth and an exhaust pipe and comprises a cooking bench, wherein the top of the cooking bench is matched with a furnace cover smoke exhaust device, the furnace cover smoke exhaust device comprises a furnace cover smoke exhaust cavity, a furnace cover smoke exhaust interface is arranged on the side wall of the furnace cover smoke exhaust cavity, and the furnace cover smoke exhaust interface is connected with a connecting pipe which is communicated with the exhaust pipe. The furnace cover smoke exhaust device is a key structure of the scheme, and can reasonably exhaust residual gas at the top of the hearth, so that the influence of the heating device on the indoor air quality is effectively eliminated.

Preferably, the cooking bench is matched with the top of the fume collecting hood body, an upper air distribution device and a hearth are sequentially arranged below the fume collecting hood body, a heat exchanger is arranged on the outer side of the hearth, and the heat exchanger comprises a heat exchanger water inlet at the bottom and a heat exchanger water outlet at the top; the circulating water of the heat exchanger carries out circulating heat exchange through a water inlet of the heat exchanger, a water outlet of the heat exchanger, a water inlet of the smoke collecting hood, a water outlet of the smoke collecting hood and a heat exchange heating pipeline.

Preferably, the cooking bench comprises a cooking bench smoke exhaust opening, and the cooking bench smoke exhaust opening is matched with the smoke exhaust opening; and the flue gas at the top of the hearth is discharged through a flue and an exhaust pipe which comprise a cooking bench smoke exhaust opening, a smoke exhaust port, a heat exchanger.

Preferably, the upper air distribution device comprises an upper air distribution chamber and an air outlet pipe head, an air source in the air source distribution pipe distributes air to the hearth through the upper air distribution chamber and the air outlet pipe head, and the air outlet pipe heads are circumferentially and obliquely and uniformly distributed at the bottom of the upper air distribution chamber.

Preferably, the furnace also comprises a lower air distribution device which is positioned right below the furnace chamber, and air supply in the upper air distribution device and the lower air distribution device is independently adjustable; the air distribution system of the scheme realizes independent adjustable air supply of the upper path and the lower path, controls the furnace temperature in a reasonable interval, can obviously improve the combustion efficiency and can accurately adjust the oxygen content in the hearth, thereby ensuring that the furnace is always in the optimal combustion state, and realizing better combustion efficiency and better emission reduction effect.

Preferably, the furnace cover smoke discharging device comprises a first furnace cover and a second furnace cover, wherein the first furnace cover is matched with the bottom of the inner wall of the furnace cover smoke discharging cavity, and the second furnace cover is matched with the top of the furnace cover smoke discharging cavity; the furnace cover smoke exhaust interface is located between the first furnace cover and the second furnace cover, the first furnace cover, the furnace cover smoke exhaust cavity and the second furnace cover enclose a closed space with only the furnace cover smoke exhaust interface, and residual gas of smoke at the top of the hearth is exhausted through the closed space, the furnace cover smoke exhaust interface, the connecting pipe and the exhaust pipe.

Compared with the prior art, the invention can obtain the following technical effects:

the fume collecting hood and the heating device of the invention improve the overall performance of the heating device, and comprise

1. The residual gas exhaust structure is additionally arranged above the cooking bench besides the smoke at the top of the hearth is exhausted by the original smoke exhaust system, and the influence of the heating device on the indoor air quality is effectively eliminated by exhausting the residual gas.

2. The heating device has the advantages that the waste heat at the top of the hearth is fully utilized, the sealing performance is better, the energy loss is reduced, the fuel utilization rate of the heating device is higher, and the heating effect is better.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a perspective view of a fume collecting hood;

FIG. 2 is another perspective view of the fume collecting hood;

FIG. 3 is a front view of the smoke collection hood;

FIG. 4 is a side view of the fume collection hood;

FIG. 5 is a side view of a heating unit;

FIG. 6 is a perspective view of a heating unit;

fig. 7 is a quarter perspective sectional view of the heating apparatus.

In the figure: 1. the stove comprises a hearth, 2, a stove opening, 3, a smoke exhaust opening, 4, a smoke collecting cover body, 41, a smoke collecting cover water inlet, 42, a water temperature sensor, 43, a smoke collecting cover water outlet, 44, an explosion-proof valve, 45, a wind source air distribution pipe mounting hole, 46, a temperature detection opening, 10, an exhaust pipe, 11, an upper air distribution device, 12, an upper air distribution chamber, 13, an air outlet pipe head, 14, a heat exchanger, 16, a heat exchanger water inlet, 17, a heat exchanger water outlet, 30, a hearth, 301, a hearth smoke exhaust opening, 31, a first stove cover, 32, a second stove cover, 33, a stove cover smoke exhaust device, 331, a stove cover smoke exhaust cavity, 332, a smoke exhaust interface and 34 connecting pipes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1-3, the smoke collecting hood comprises a smoke collecting hood body 4, the smoke collecting hood body 4 comprises a cavity suitable for water circulation, a smoke collecting hood water inlet 41 and a smoke collecting hood water outlet 43 are arranged on the side wall of the smoke collecting hood body 4 and are communicated with the cavity, the side wall of the middle part of the smoke collecting hood body 4 comprises a smoke exhaust port 3, and the cavity surrounds the smoke exhaust port 3. The exhaust port 3 equipartition is at 4 middle part lateral walls of collection smoke cover body, and exhaust port 3 has 3. The side wall of the smoke collection cover body 4 is also provided with a water temperature sensor 42, an explosion-proof valve 44 and a temperature detection port 46. An air source air distribution pipe mounting hole 45 is axially arranged at the bottom of the fume collecting hood body 4 close to the edge.

Example 2

Example 2 is substantially the same as the example except that the central side wall of the fume collecting hood body 4 includes 2 or 4 or 5 or 6 exhaust ports.

Example 3

As shown in fig. 1-6, the heating device includes the aforementioned smoke collecting hood, and further includes a furnace 1 and an exhaust pipe 10, and includes a cooking bench 30, a furnace cover smoke exhausting device 33 is fitted on the top of the cooking bench 30, the furnace cover smoke exhausting device 33 includes a furnace cover smoke exhausting cavity 331, a furnace cover smoke exhausting interface 332 is provided on the side wall of the furnace cover smoke exhausting cavity 331, the furnace cover smoke exhausting interface 332 is connected with a connecting pipe 34, and the connecting pipe 34 is communicated to the exhaust pipe 10.

The cooking bench 30 is matched at the top of the smoke collection hood body 4, the cooking bench 30 encloses a synthetic furnace mouth 2, an upper air distribution device 11 and a hearth 1 are sequentially arranged below the smoke collection hood body 4, a heat exchanger 14 is arranged outside the hearth 1, and the heat exchanger comprises a heat exchanger water inlet 16 at the bottom and a heat exchanger water outlet 17 at the top; the circulating water of the heat exchanger carries out circulating heat exchange through a heat exchanger water inlet 16, a heat exchanger water outlet 17, a smoke collecting hood water inlet 41, a smoke collecting hood water outlet 43 and a heat exchange heating pipeline.

The cooking bench 30 comprises a cooking bench smoke exhaust opening 301, and the cooking bench smoke exhaust opening 301 is matched with the smoke exhaust port 3; the flue gas at the top of the hearth 1 is exhausted through a flue comprising a cooking bench smoke exhaust opening 301, a smoke exhaust port 3 and a heat exchanger 14 and an exhaust pipe 10.

The upper air distribution device 11 comprises an upper air distribution chamber 12 and an air outlet pipe head 13, an air source in an air source distribution pipe distributes air to the hearth 1 through the upper air distribution chamber 12 and the air outlet pipe head 13, and the air outlet pipe heads 13 are circumferentially and obliquely and uniformly distributed at the bottom of the upper air distribution chamber 12.

The lower air distribution device is positioned right below the hearth 1, and air supply in the upper air distribution device 11 and the lower air distribution device is independently adjustable; the system also comprises a control system, and the control system adjusts the air supply states in the upper air distribution device 11 and the lower air distribution device according to the set proportion and the set size according to the furnace temperature detection and water temperature detection feedback results.

The furnace cover smoke discharging device comprises a furnace cover smoke discharging device 33, wherein the furnace cover smoke discharging device comprises a first furnace cover 31 and a second furnace cover 32, the first furnace cover 31 is matched with the bottom of the inner wall of a furnace cover smoke discharging cavity 331, and the second furnace cover 32 is matched with the top of the furnace cover smoke discharging cavity 331; the furnace cover smoke exhaust interface 332 is positioned between the first furnace cover 31 and the second furnace cover 32, the first furnace cover 31, the furnace cover smoke exhaust cavity 331 and the second furnace cover 32 enclose a closed space with only the furnace cover smoke exhaust interface 332, and residual gas of the top smoke of the hearth 1 is exhausted through the closed space, the furnace cover smoke exhaust interface 332, the connecting pipe 34 and the exhaust pipe 10.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

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.