CN213983549U

CN213983549U - Detachable energy-saving hearth device

Info

Publication number: CN213983549U
Application number: CN202021957495.4U
Authority: CN
Inventors: 楼一元
Original assignee: Yongkang Chuanming Technology Co ltd
Current assignee: Yongkang Chuanming Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-08-17
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a detachable energy-conserving furnace device, including furnace shell and stone or metal plate for standing a stove on as a precaution against fire, be provided with first opening and second opening on the furnace shell, the second opening extends to first open-ended direction and forms the go-between, be provided with first through-hole and second through-hole on the stone or metal plate for standing a stove on as a precaution against fire, be connected with the hearth cover between the first through-hole of stone or metal plate for standing a stove on as a precaution against fire and the first opening of furnace shell, the second through-hole of stone or metal plate for standing a stove on as a precaution against fire is connected with the upper end opening of go-between, form the heat accumulation cavity between the outer wall of stone or metal plate for standing a stove on as a precaution against fire, the furnace covers and is provided with the exhaust hole, be provided with the smoke vent on the lateral wall of stone or metal plate for standing a stove on. The hearth device of the utility model realizes detachable connection, reduces the use cost and improves the utilization rate; the heat accumulation cavity can fully utilize heat energy, reduce combustion cost, reduce the temperature of waste heat emitted by the hearth shell by 30-45%, ensure that the heat efficiency reaches 55-75%, control noise within 65dB and improve the environmental quality of an operation room.

Description

Detachable energy-saving hearth device

Technical Field

The utility model relates to a kitchen range field, in particular to detachable energy-conserving furnace device.

Background

In a stove product, a space for combustion and heat exchange is called as a hearth, and an energy-saving hearth belongs to one of stove energy-saving technologies, can improve the heat energy absorption of a stove and save fuel. At present, the hearth adopted by a common stove is integrally cast, so that the stove has the following defects: firstly, the noise of a big flame can be generated in the using process, and especially when a plurality of cooking ranges are used at the same time, the noise of the whole kitchen operating room is big, so that the work is influenced, and the hearing of a cook can be damaged to a certain extent; secondly, the inner wall of the hearth is in direct contact with flame, and the hearth can be cracked after being used for a certain time, so that the whole hearth is scrapped, the waste is serious, the cost is high, and the environment is not protected; thirdly, the heat loss of the hearth is high, and the heat cannot be stored and buffered, so that the heat energy cannot be fully utilized, and the combustion cost is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a detachable energy-conserving furnace device, solve the big, the disability rate height of noise, the heat dissipation is fast, the high problem of use cost that the furnace integral type casting that exists among the prior art exists.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

the utility model provides a detachable energy-conserving furnace device, includes furnace shell and stone or metal plate for standing a stove on as a precaution against fire, be provided with first opening and second opening on the furnace shell, the second opening to first open-ended direction is extended and is formed the go-between, be provided with first through-hole and second through-hole on the stone or metal plate for standing a stove on as a precaution against fire, the first through-hole of stone or metal plate for standing a stove on as a precaution against fire with be connected with the furnace lid between the first opening of furnace shell, the second through-hole of stone or metal plate for standing a stove on as a precaution against fire with the upper end opening of go-between is connected, the outer wall of stone or metal plate for standing a stove on as a precaution against fire with form the heat accumulation cavity between the inner wall of furnace shell, the furnace is covered and is provided with the exhaust hole, be provided with the smoke vent on the lateral wall of stone or metal plate for standing a stove on as precaution against fire.

Preferably, a groove is formed in the side wall of the connecting ring, and a preheating channel is formed between the groove and the heat storage cavity.

Preferably, the grooves are arranged at intervals of 2-4.

Preferably, the hearth cover includes a cylindrical hole and a cover plate, one end of the cover plate is integrally connected with an upper opening of the cylindrical hole, the other end of the cover plate is bent downward to form a collar, a boss extends outward from a first opening of the hearth casing, the collar is clamped on the boss, and a lower opening of the cylindrical hole is connected with the first through hole of the furnace plate.

Preferably, a clamping groove is formed in an opening at the lower end of the cylindrical hole, a first clamping ring clamped in the clamping groove is arranged at a first through hole of the furnace plate, a second clamping ring clamped at an opening at the upper end of the connecting ring is arranged at a second through hole of the furnace plate, and a bayonet matched with the groove is formed in the second clamping ring.

Preferably, the side wall of the furnace plate is provided with smoke exhaust channels at intervals, and the smoke exhaust holes are arranged on the smoke exhaust channels at intervals.

Preferably, a projection is further arranged on the inner wall of the furnace plate, and the projection is located between the two smoke exhaust channels.

Preferably, the outer wall of the furnace plate is sequentially provided with a heat insulation layer and a sound attenuation layer, and the inner wall of the furnace plate is provided with a reflection layer.

The utility model has the advantages that: the utility model discloses a furnace device, simple structure, furnace comprises furnace shell, stove dish and furnace lid, has realized detachable connection, and the installation is dismantled conveniently, is convenient for the change of single scrapped component, reduces use cost, improves the rate of utilization; the formation of the heat storage cavity absorbs and stores heat energy in the furnace plate through the smoke exhaust holes, which is equivalent to the action of a heat insulation layer, so that the heat dissipation rate in the hearth is relatively slow, the heat energy can be fully utilized, the combustion cost is reduced, the temperature of waste heat dissipated from the hearth shell can be reduced by 30-45%, and the room temperature of an operation room is reduced; when the pot is placed on the hearth for use, the bottom of the pot and the hearth device form a relatively sealed flame combustion space, so that heat energy can be concentrated, the loss of heat energy is reduced, the heat efficiency reaches 55-75%, meanwhile, the noise generated by flame can be reduced by the sealed combustion space, the noise is controlled below 65dB, the first-level standard of a cooking gas large pot and stove is reached, and the environmental quality of an operation room is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A in FIG. 1;

FIG. 3 is a schematic structural view of a middle furnace plate of the present invention;

FIG. 4 is a schematic structural view of the outer shell of the middle furnace chamber of the present invention;

FIG. 5 is a schematic structural view of a hearth cover according to the present invention;

fig. 6 is a schematic structural view of a conventional integrally formed furnace.

In the figure: 1-a hearth shell; 2-a furnace plate; 3-connecting rings; 4-hearth cover; 5-heat storage cavity; 6-air exhaust hole; 7-smoke exhaust holes; 8-a bump; 101-a first opening; 102-a second opening; 103-a boss; 201-a first via; 202-a second via; 203-a first snap ring; 204-a second snap ring; 205-bayonet; 206-smoke evacuation channels; 301-grooves; 401-cylindrical hole; 402-cover plate; 403-a collar; 404-card slot.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-5, a detachable energy-saving hearth device comprises a hearth shell 1 and a hearth plate 2, wherein a first opening 101 and a second opening 102 are arranged on the hearth shell 1, the second opening 102 extends towards the first opening 101 to form a connecting ring 3, a first through hole 201 and a second through hole 202 are arranged on the hearth plate 2, a hearth cover 4 is connected between the first through hole 201 of the hearth plate 2 and the first opening 101 of the hearth shell 1, the second through hole 202 of the hearth plate 2 is connected with an upper end opening of the connecting ring 3, a heat storage cavity 5 is formed between the outer wall of the hearth plate 2 and the inner wall of the hearth shell 1, an exhaust hole 6 is arranged on the hearth cover 4, and a smoke exhaust hole 7 is arranged on the side wall of the hearth plate 2. In the structure, the hearth shell 1, the furnace plate 2 and the hearth cover 4 are independent accessories and can be connected in movable modes such as clamping connection and the like, so that a detachable mounting structure of the hearth device is realized, the furnace plate 2 can be in a bowl shape with a wide upper part and a narrow lower part, the volume of the heat storage cavity 5 is increased, and the heat insulation effect of the hearth is improved; the first opening 101 of the hearth shell 1 can be provided with a positioning block, and the corresponding positioning block on the hearth cover 4 can be provided with a positioning groove, so that the hearth cover 4 and the hearth shell 1 can be positioned and installed, and the hearth device can be better installed on a stove.

A groove 301 is arranged on the side wall of the connecting ring 3, and a preheating channel is formed between the groove 301 and the heat accumulation cavity 5. The design of the groove 301 can enable part of flames of long open fire to enter the heat storage space 5 in real time, so that the preheating effect in the early stage of use and the heat storage effect in the use process are achieved for the furnace plate 2, the heat dissipation rate in the hearth is relatively slow, the heat energy can be fully utilized, and the combustion cost is reduced; according to the user demand, the design that recess 301 can equidistance interval has 2-4 to make the heat in the heat accumulation cavity 5 more even, the quantity design of recess 301 is too much, can reduce go-between 3's intensity, thereby influences connection fastness and the stability in use of stone or metal plate for standing a stove on as a precaution against fire 2, and the groove of recess 301 is dark from the bottom to the top grow gradually, is convenient for the heat to get into in the heat accumulation cavity 5.

The hearth cover 4 comprises a cylindrical hole 401 and a cover plate 402, one end of the cover plate 402 is connected with the upper end opening of the cylindrical hole 401 in an integrated forming mode, the other end of the cover plate is bent downwards to form a clamping ring 403, a boss 103 extends outwards from the first opening 101 of the hearth shell 1, the clamping ring 403 is clamped on the boss 103, and the lower end opening of the cylindrical hole 401 is connected with the first through hole 201 of the furnace disc 2. In the structure, the inner space of the cylindrical hole 401 is used for embedding the bottom of the pot, so that a relatively sealed flame combustion space is formed between the stove plate 2 and the bottom of the pot, heat energy is concentrated to heat the pot, and noise generated by flame is reduced; the cooperation design of rand 403 and boss 103 can make furnace lid 4 block on furnace shell 1 through self gravity, strengthens the leakproofness of heat accumulation cavity 5, also makes things convenient for the split of both, and rand 403 is inside can form one and be used for supporting the step of boss 103, can prevent like this that rand 403 from producing extrusion deformation in the use.

A clamping groove 404 is formed in an opening at the lower end of the cylindrical hole 401, a first clamping ring 203 clamped in the clamping groove 404 is arranged at the first through hole 201 of the furnace disc 2, a second clamping ring 204 clamped at an opening in the upper end of the connecting ring 3 is arranged at the second through hole 202 of the furnace disc 2, and a bayonet 205 matched with the groove 301 is formed in the second clamping ring 204. In the structure, the clamping groove 404, the first clamping ring 203 and the second clamping ring 204 are matched to ensure that the furnace plate 2 is clamped with the furnace chamber cover 4 and the furnace chamber shell 1 respectively, so that the furnace plate is convenient to disassemble and assemble.

The side wall of the furnace plate 2 is provided with smoke exhaust channels 206 at intervals, and the smoke exhaust holes 7 are arranged on the smoke exhaust channels 206 at intervals. Above-mentioned structure can strengthen the smoke evacuation effect, makes the heat in the heat accumulation cavity 5 more even, and exhaust hole 7 can be designed for wide oval hole narrow down in the top, improves the smoking effect and reduces heat extraction rate, makes the speed of heat dissipation in the furnace comparatively slow to can abundant utilization heat energy, reduce combustion cost.

The inner wall of the furnace plate 2 is also provided with a projection 8, and the projection 8 is positioned between the two smoke exhaust channels 206. The design of the convex block 8 is beneficial to the flowing of the flame and improves the heat energy efficiency.

The outer wall of the furnace plate 2 is sequentially provided with a heat preservation layer and a silencing layer, and the inner wall of the furnace plate is provided with a reflecting layer. The heat insulation layer can be of a honeycomb porous ceramic structure, and stores heat in the furnace plate 2, so that the heat is continuously led out through honeycomb holes, and the utilization rate of the heat is improved; the silencing layer can be an iron-chromium-aluminum net, and has the effects of resisting high temperature, filtering particles and reducing volume, and reducing flame noise; the reflecting layer can be an infrared reflecting net, redundant smoke parts can be reflected to the bottom of the pot through the reflecting layer, the effect of continuous heating is achieved, and heat energy recovery and reuse are achieved.

The installation process comprises the following steps: firstly, connecting a second through hole 202 of the furnace disc 2 with an upper end opening of a connecting ring 3, specifically, clamping a second clamping ring 204 on the second through hole 202 on the outer wall of the connecting ring 3, and aligning a bayonet 205 on the second clamping ring 204 with the groove 301 to form a preheating channel; and then, mounting the hearth cover 4, specifically, putting the cylindrical hole 401 of the hearth cover 4 into the furnace plate 2, clamping the clamping groove 404 on the cylindrical hole 401 on the first clamping ring 203 at the second through hole 202 of the furnace plate 2, and finally, forcibly extruding to clamp the clamping ring 403 on the cover plate 402 on the boss 103 to form the mounting of the hearth.

The working principle is as follows: put the pan on the furnace device, the bottom embedding of pan is in cylinder hole 401, make pan for a kitchen range 2 form a relatively sealed combustion space, the kitchen range after firing, the long naked light lets in pan for a kitchen range 2 in, at this moment, part flame can get into in heat accumulation cavity 5 through the passageway of preheating that recess 301 formed, preheat pan for a kitchen range 2, the long naked light is when burning the bottom of a boiler, the hot cigarette that produces can get into in heat accumulation cavity 5 through exhaust hole 7, keep warm pan for a kitchen range 2, then the heat in the heat accumulation cavity 5 gets into in pan for a kitchen range 2 through exhaust hole 7 again, can make the pan bottom heat up more fast like this, the thermal efficiency is improved, the setting of exhaust hole 6 on the cover plate 402, make heat accumulation cavity 5 ventilate with the external world, prevent that heat accumulation cavity 5 from producing the explosion because of reasons such as temperature, pressure.

The preliminary tests were performed according to the test method in the existing standard CJ/T392-:

the method comprises the following steps: the background noise of the test environment is less than 40 dB.

Test 1: the connecting ring 3 of the hearth shell 1 is not provided with a groove 301, and the inner wall of the furnace plate 2 is only provided with a plurality of randomly arranged smoke exhaust holes 7.

Test 2: the connecting ring 3 of the hearth shell 1 is provided with 2 symmetrical grooves 301, the inner wall of the furnace plate 2 is provided with 14 smoke exhaust channels 206, and each smoke exhaust channel 206 is provided with 1 smoke exhaust hole at intervals.

Test 3: the connecting ring 3 of the hearth shell 1 is provided with 2 symmetrical grooves 301, the inner wall of the furnace plate 2 is provided with 7 smoke exhaust channels 206, and each smoke exhaust channel 206 is provided with 3 smoke exhaust holes at intervals.

Test 4: the connecting ring 3 of the hearth shell 1 is provided with 4 symmetrical grooves 301, the inner wall of the furnace plate 2 is provided with 14 smoke exhaust channels 206, and each smoke exhaust channel 206 is provided with 3 smoke exhaust holes at intervals.

Test 5: the connecting ring 3 of the hearth shell 1 is provided with 2 symmetrical grooves 301, the inner wall of the furnace plate 2 is provided with 14 smoke exhaust channels 206, each smoke exhaust channel 206 is provided with 3 smoke exhaust holes at intervals, and the side wall of the furnace plate 2 between the two smoke exhaust channels 206 is provided with a plurality of convex blocks 8.

Test 6: the hearth shell 1 is provided with 2 symmetrical grooves 301 on the connecting ring 3, 14 smoke exhaust channels 206 are arranged on the inner wall of the

furnace plate

2, 3 smoke exhaust holes are arranged on each smoke exhaust channel 206 at intervals, a plurality of convex blocks 8 are arranged on the side wall of the furnace plate 2 between the two smoke exhaust channels 206, a honeycomb porous ceramic net and an iron-chromium-aluminum net are sequentially arranged on the outer wall of the furnace plate 2, and an infrared reflection net is arranged on the inner wall.

Comparative experiment 1: the integrally formed hearth body 9 is not provided with a heat storage cavity, a long open fire hole is formed in the center of the hearth body 9, and a smoke exhaust hole 10 is formed in one side of the long open fire hole, namely, hot smoke generated after the long open fire heats a pot is exhausted from the bottom of the hearth body 9, as shown in fig. 6.

Comparative experiment 2: the integrated into one piece's furnace body 9 does not have the heat accumulation cavity, and furnace body inner wall coats and is stamped honeycomb porous ceramic net and iron chromium aluminium net, is provided with infrared reflection net on the inner wall, and furnace body's central point puts and is provided with long naked light hole, and one side of long naked light hole is provided with exhaust hole 10, that is to say, the hot smoke that produces after the long naked light heats the pan directly discharges from furnace body's bottom, as shown in fig. 6.

TABLE 1

Remarking: (1) the furnace plate 2 in the tests 1 to 5 is not provided with other functional layers (a heat insulation layer, a sound attenuation layer and the like);

(2) the data are averaged 10 tests per test from run 1 to run 6, and from comparative run 1 to comparative run 2;

(3) detecting the temperature rising speed, namely putting 5Kg of water into a pot for a water-rolling test;

(4) the detection of the surface temperature of the hearth shell and the temperature of the cover plate is based on the material of metal and similar materials.

To sum up, the utility model has the advantages that the structure is simple, the hearth is composed of the hearth shell 1, the furnace plate 2 and the hearth cover 4, the detachable connection is realized, the installation and the disassembly are convenient, the replacement of a single scrapped component is convenient, the use cost is reduced, and the utilization rate is improved; the heat accumulation cavity 5 is formed, the heat energy in the furnace plate 2 is absorbed and stored through the smoke exhaust hole 7, the heat accumulation cavity is equivalent to the effect of a heat insulation layer, the heat dissipation rate in the hearth is relatively slow, the heating speed is accelerated, the heat energy can be fully utilized, the combustion cost is reduced, the temperature of waste heat dissipated by the hearth shell 1 can be reduced, as can be seen from the comparison between the test 5 and the comparison test 1 in the table 1, the temperature can be reduced by 36.8%, and as can be seen from the comparison between the test 6 and the comparison test 2, the temperature can be reduced by 41.5%, the operation safety is improved, and the room temperature in an operation room; when the pot is placed on the hearth for use, the bottom of the pot and the hearth device form a relatively sealed flame combustion space, so that heat energy can be concentrated, the loss of heat energy is reduced, the heat efficiency reaches 55-75%, meanwhile, the noise generated by flame can be reduced by the sealed combustion space, the noise is controlled below 65dB, the first-level standard of a cooking gas large pot and stove is reached, and the environmental quality of an operation room is improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a detachable energy-conserving furnace device, includes furnace shell and stove dish, its characterized in that: be provided with first opening and second opening on the furnace shell, the second opening to first open-ended direction extends and forms the go-between, be provided with first through-hole and second through-hole on the stove dish, the first through-hole of stove dish with be connected with the furnace lid between the first opening of furnace shell, the second through-hole of stove dish with the upper end opening of go-between is connected, the outer wall of stove dish with form the heat accumulation cavity between the inner wall of furnace shell, the furnace is covered and is provided with the exhaust hole, be provided with the smoke vent on the lateral wall of stove dish.

2. The detachable energy-saving hearth device according to claim 1, wherein: and a groove is formed in the side wall of the connecting ring, and a preheating channel is formed between the groove and the heat storage cavity.

3. The detachable energy-saving hearth device according to claim 2, wherein: the grooves are arranged at intervals of 2-4.

4. The detachable energy-saving hearth device according to claim 2, wherein: the hearth cover comprises a cylindrical hole and a cover plate, one end of the cover plate is connected with an upper end opening of the cylindrical hole in an integrated forming mode, the other end of the cover plate is bent downwards to form a clamping ring, a boss extends outwards from a first opening of the hearth shell, the clamping ring is clamped on the boss, and a lower end opening of the cylindrical hole is connected with a first through hole of the furnace plate.

5. The detachable energy-saving hearth device according to claim 4, wherein: the furnace plate is characterized in that a clamping groove is formed in the opening of the lower end of the cylindrical hole, a first clamping ring clamped in the clamping groove is arranged at the position of the first through hole of the furnace plate, a second clamping ring clamped at the opening of the upper end of the connecting ring is arranged at the position of the second through hole of the furnace plate, and a clamping opening matched with the groove is formed in the second clamping ring.

6. The detachable energy-saving hearth device according to claim 1, wherein: smoke exhaust channels are arranged on the side wall of the furnace plate at intervals, and the smoke exhaust holes are arranged on the smoke exhaust channels at intervals.

7. The detachable energy-saving hearth device according to claim 6, wherein: the inner wall of the stove plate is also provided with a convex block, and the convex block is positioned between the two smoke exhaust channels.

8. The detachable energy-saving hearth device according to claim 1, wherein: the outer wall of the furnace plate is sequentially provided with a heat preservation layer and a silencing layer, and the inner wall of the furnace plate is provided with a reflecting layer.