CN213993253U

CN213993253U - Steam generator

Info

Publication number: CN213993253U
Application number: CN202022219199.0U
Authority: CN
Inventors: 罗华帅; 付远华; 方小林
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-08-20
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a steam generator, including being used for holding water and having the casing of steam outlet and connecting the play steam pipe on this steam outlet, install the pivoted rotating impeller under the steam air current drive that can go out in the steam pipe in going out the steam pipe, and be provided with the agitator in the casing, the agitator is including the stirring piece that can stir the water in the casing and connect on this stirring piece and drive the rotatory rotation axis of this stirring piece, and the shaft of above-mentioned rotating impeller passes through drive assembly and this rotation axis linkage. Compared with the prior art, the utility model discloses a steam that self produced is drive power, need not external power, and simple structure has realized the step utilization of energy to the physics mode that adopts the stirring water prevents that the incrustation scale from producing, compares with the current mode that adopts the scale remover, and economy and pollution-free, and in the stirring process, the water in the casing has formed strong convection current, thereby can improve the heating efficiency of water, improves steam generation's steam production efficiency, promotes user's use and experiences.

Description

Steam generator

Technical Field

The utility model relates to a steam cooking device field especially relates to a steam generator.

Background

The steaming cooking devices such as the electric steam box, the steaming and baking integrated machine and the like are generally provided with an external steam generator, and steam generated by the external steam generator is input into the inner container and is used for cooking food. After long-term use of steam generator, its inner surface can the scale deposit and influence its heating efficiency to water, and then influences the efficiency that steam produced, and does not clear up for a long time, and the water filling port can be plugged up to the inside incrustation scale of steam generator, causes the consequence that can't supply water to steam generator.

The descaling method adopted at present mainly comprises the steps of adding a descaling agent into the steam generator, and decomposing water scale on the inner surface of the steam generator through the descaling agent to achieve the purpose of descaling. For example, chinese utility model patent No. ZL201520012581.0 (publication No. CN204635978U) discloses an superheated steam box, including the cooking chamber and the steam generator who is used for providing steam to the cooking chamber, steam generator includes steam generation container and the first heating member that is used for heating steam generation container, steam generation container with the cooking chamber intercommunication, steam box still includes the cleaning device that is used for providing the detergent to steam generation container, cleaning device with steam generation container connects. The patent provides a detergent solution to a steam generating vessel through a cleaning device, and then a first heating element heats the detergent solution to generate atomized steam to enter a cooking cavity for descaling. However, the use of the descaling agent increases the use cost of the steaming cooking device, the produced descaling sewage pollutes the environment due to the mixed chemical substances, and the descaling agent has poor effect of removing scale, and the steam generator still needs to be disassembled periodically for manual descaling.

Disclosure of Invention

The utility model aims to solve the first technical problem that provide a steam generator that scale control is effectual, with low costs and pollution-free to prior art.

The utility model aims to solve the second technical problem that provide a steam generator that steam production is efficient to prior art.

The utility model aims to solve the third technical problem that provide a steam generator that scale removal efficiency is high to prior art.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: the utility model provides a steam generator, is including being used for holding water and having the casing of steam outlet and connecting the play steam pipe on this steam outlet, its characterized in that, install the rotatory impeller that can rotate under the steam gas drive in the play steam pipe, and be provided with the agitator in the above-mentioned casing, this agitator is including the stirring piece that can stir the water in the casing and connect on this stirring piece and drive the rotatory rotation axis of this stirring piece, and the shaft of above-mentioned rotatory impeller passes through drive assembly and this rotation axis linkage.

Further, it sets up on the roof of above-mentioned casing to go out the steam pipe, and should go out the steam pipe and include the first body of vertical extension and the second body of horizontal extension, wherein, the play steam port intercommunication on first body and the casing, the second body is used for and evaporates the steam inlet intercommunication of culinary art device, and above-mentioned rotatory impeller is installed in the junction of this first body and second body. Because the vertical extension of first body and the horizontal extension of second body, consequently go out the steam air current in the steam pipe and can form strong convection current in the junction of first body and second body to can increase the drive power of air current pair rotation impeller, make rotatory impeller ability fast revolution, and then drive the stirring piece and stir the water in the casing fast, then can prevent the incrustation scale better and form at the internal surface of casing.

Further, the junction of first body and second body is provided with the appearance and is discoid and the installation cover of inner chamber volume size and above-mentioned rotary impeller assorted, and above-mentioned rotary impeller installs in this installation cover and sets up with this installation cover is concentric, and the inner chamber of this installation cover communicates with above-mentioned first body and second body respectively, and the extending direction of above-mentioned first body and second body is respectively in the tangential direction of the circular cross-section of this installation cover. The mounting cover can realize the stable mounting and smooth rotation of the rotary impeller, and simultaneously can convert the flow potential energy carried by the steam airflow in the steam outlet pipe into the rotary potential energy of the rotary impeller to the maximum extent.

Further, a first mounting hole is formed in the center of the end plate of the mounting cover, the first end of the wheel shaft is connected with the center of the rotating impeller, the second end of the wheel shaft penetrates through the first mounting hole and is horizontally arranged, a second mounting hole is formed in the top of the shell, the rotating shaft vertically penetrates through the second mounting hole, and the transmission assembly is arranged at the second end of the wheel shaft and the upper end of the rotating shaft respectively. Thus, the rotation of the wheel shaft can smoothly drive the rotation shaft to rotate.

Further, the transmission assembly comprises a first transmission cone pulley arranged at the second end of the wheel shaft and a second transmission cone pulley arranged at the upper end of the rotating shaft and meshed with the first transmission cone pulley. The rotating impeller rotates to drive the first transmission cone pulley to rotate, and the first transmission cone pulley rotates to drive the second transmission cone pulley to rotate, so that the rotating shaft is driven to rotate.

Furthermore, a sealing tube is connected between the first mounting hole and the second mounting hole, and the second end of the wheel shaft, the upper end of the rotating shaft and the transmission assembly are all arranged in the sealing tube. Steam in the casing and the steam outlet pipe can be prevented from leaking through the joint of the first pipe body and the casing and the joint of the second pipe body and the mounting cover by arranging the sealing pipe.

Further, bearings are arranged at the joint of the wheel shaft and the mounting cover and the joint of the rotating shaft and the top wall of the shell, and the bearings are sleeved on the corresponding shafts. Thereby promoting smooth rotation of the wheel axle and the rotating shaft.

Further, the stirring piece is a stirring impeller. Such that rotation of the stirring member better stirs the water in the housing.

Furthermore, the shell is provided with a water injection port which is used for being connected with an external water source, and the water injection port is flush with the lowest position of the inner bottom surface of the shell. On the one hand, through setting up the water filling port and conveniently injecting water in to the casing, on the other hand, this water filling port of accessible after the culinary art will have the water of scale outward, need not to open the manual scale removal of steam generator, further conveniently clears up the scale in the casing.

Furthermore, the bottom of the shell is provided with a heating structure, and the heating structure comprises an aluminum plate fixed on the bottom surface of the shell and an electric heating tube fixed on the lower surface of the aluminum plate. Therefore, the heating structure can directly heat the water in the shell, and the aluminum plate can disperse the heat generated by the electric heating tube, so that the heating structure can heat the water in the shell more uniformly.

Further, the shell comprises a base with an upper opening and a top cover covering the opening of the base, and the base and the top cover can be detachably connected. Thereby make things convenient for dismouting steam generator, when the incrustation scale of the internal surface of steam generator of needs manual clearance, convenience of customers opens steam generator.

Further, the base of the housing is made of metal, and the inner surface of the base is provided with the anti-scaling coating, so that the heating efficiency of water in the steam generator is improved, and the adhesion of scale on the inner surface of the housing can be reduced by the anti-scaling coating.

Compared with the prior art, the utility model has the advantages of: steam air flow through steam generator self production drives rotatory impeller and rotates, and then drives the stirring piece rotation of agitator, stirs the water in the casing through the stirring piece, prevents that the incrustation scale from forming and adhering to at the internal surface of casing. It is therefore clear that the utility model discloses a steam that self produced is drive power, need not external power, and simple structure has realized the step utilization of energy to the physical mode that adopts the stirring water prevents that the incrustation scale from producing, compares with the current mode that adopts the scale remover, and economy and pollution-free, and the stirring in-process, the water in the casing has formed strong convection current, thereby can improve the heating efficiency of water, improves steam generation efficiency that steam takes place, promotes user's use and experiences.

Drawings

Fig. 1 is a schematic structural diagram of a steam generator according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a steam generator according to an embodiment of the present invention;

fig. 3 is another partial structural schematic view of the steam generator according to the embodiment of the present invention;

fig. 4 is a sectional view of the steam generator according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, a steam generator includes a housing 1 for containing water and having a steam outlet 10, and a steam outlet pipe 2 connected to the steam outlet 10. In this embodiment, casing 1 includes upper portion open-ended base 11 and the top cap 12 of lid on this base 11's opening, and both can just both can dismantle the connection, specifically, both pass through fasteners such as screw and connect to make things convenient for dismouting steam generator, when the incrustation scale of steam generator internal surface needs manual clearance, convenience of customers opens steam generator.

The steam outlet pipe 2 is installed with a rotary impeller 4 which can rotate driven by the steam flow in the steam outlet pipe 2, the housing 1 is provided with a stirrer 5, the stirrer 5 comprises a stirring piece 51 which can stir the water in the housing 1 and a rotating shaft 52 which is connected to the stirring piece 51 and drives the stirring piece 51 to rotate, and the wheel shaft 41 of the rotary impeller 4 is linked with the rotating shaft 52 through a transmission assembly 6. Thus, the rotating impeller 4 is driven to rotate by the steam flow generated by the steam generator, and the stirring piece 51 of the stirrer 5 is driven to rotate, so that the water in the shell 1 is stirred by the stirring piece 51, and the scale is prevented from forming and adhering on the inner surface of the shell 1. It is therefore clear that the utility model discloses a steam that self produced is drive power, need not external power, and simple structure has realized the step utilization of energy to the physical mode that adopts the stirring water prevents that the incrustation scale from producing, compares with the current mode that adopts the scale remover, and economy and pollution-free, and in the stirring process, the water in the casing 1 has formed strong convection current, thereby can improve the heating efficiency of water, improves steam generation's steam production efficiency, promotes user's use and experiences.

Further, in the present embodiment, the steam outlet pipe 2 is disposed on the top wall of the housing 1 (i.e. on the top cover 12), and the steam outlet pipe 2 includes a first pipe 21 extending vertically and a second pipe 22 extending horizontally, wherein the first pipe 21 is communicated with the steam outlet 10 on the housing 1, the second pipe 22 is used for being communicated with the steam inlet of the steaming cooking device, and the rotary impeller 4 is installed at the connection position of the first pipe 21 and the second pipe 22. Because first body 21 vertical extension and second body 22 horizontal extension, consequently go out the steam air current in steam pipe 2 and can form strong convection current in the junction of first body 21 and second body 22 to can increase the drive power of air current pair rotation impeller 4, make rotation impeller 4 can the fast rotation, and then drive the water in stirring member 51 rapid mixing shell 1, then can prevent the incrustation scale better and form at the internal surface of casing 1.

Still further, the junction of first body 21 and second body 22 is provided with the appearance and is discoid and the installation cover 3 that the inner chamber volume size matches with above-mentioned rotary impeller 4, above-mentioned rotary impeller 4 installs in this installation cover 3 and sets up with this installation cover 3 is concentric, the inner chamber of this installation cover 3 respectively with above-mentioned first body 21 and second body 22 intercommunication, and the extending direction of above-mentioned first body 21 and second body 22 is respectively in the tangential direction of the circular cross-section of this installation cover 3. The mounting cover 3 can realize the stable mounting and smooth rotation of the rotary impeller 4, and can convert the flow potential energy carried by the steam flow in the steam outlet pipe 2 into the rotary potential energy of the rotary impeller 4 to the maximum extent. A first mounting hole 31 is formed at a center of the end plate of the mounting cover 3, a first end of the axle 41 is connected to a center of the rotary impeller 4, a second end of the axle penetrates through the first mounting hole 31 and is horizontally disposed, a second mounting hole 14 is formed at the top of the housing 1, the rotating shaft 52 vertically penetrates through the second mounting hole 14, and the transmission assembly 6 is respectively disposed at the second end of the axle 41 and the upper end of the rotating shaft 52. The rotation of the hub 41 can smoothly rotate the rotary shaft 52. In this embodiment, the transmission assembly 6 includes a first transmission bevel wheel 61 disposed at the second end of the wheel shaft 41 and a second transmission bevel wheel 62 disposed at the upper end of the rotating shaft 52 and engaged with the first transmission bevel wheel 61. The rotation of the rotary impeller 4 drives the first transmission cone wheel 61 to rotate, and the rotation of the first transmission cone wheel 61 drives the second transmission cone wheel 62 to rotate, so as to drive the rotation shaft 52 to rotate. Moreover, a sealing tube 7 is connected between the first mounting hole 31 and the second mounting hole 14, the second end of the axle 41, the upper end of the rotating shaft 52 and the transmission assembly 6 are all disposed in the sealing tube 7, and the sealing tube 7 can prevent the steam in the casing 1 and the steam outlet pipe 2 from leaking through the connection between the first tube 21 and the casing 1 and the connection between the second tube 22 and the mounting cover 3.

In addition, bearings 9 are disposed at the connection position of the wheel shaft 41 and the mounting cover 3 and the connection position of the rotating shaft 52 and the top wall of the housing 1, and the bearings 9 are sleeved on the corresponding shafts. Thereby facilitating smooth rotation of the hub 41 and the rotary shaft 52. Preferably, the stirring members 51 are stirring impellers, so that the rotation of the stirring members 51 can better stir the water in the housing 1.

In this embodiment, the housing 1 is provided with a water inlet 13 for connecting with an external water source (e.g., a water tank), and the water inlet 13 is flush with the lowest portion of the inner bottom surface of the housing 1. On the one hand, through setting up water filling port 13 and conveniently pouring water into casing 1, on the other hand, this water filling port 13 of accessible after the culinary art is finished will have the water of scale outward, need not to open the manual scale removal of steam generator, further conveniently clears up the scale in casing 1. Preferably, the water inlet 13 may be connected to a water storage tank (not shown) through a water return pipe (not shown), and a water return pump (not shown) may be disposed on the water return pipe, so that the water mixed with scale may be efficiently pumped back into the water storage tank, and the water returned into the water storage tank may be descaled and reused, thereby achieving water recycling.

In this embodiment, the bottom of the case 1 is provided with a heating structure (not shown) including an aluminum plate fixed on the bottom surface of the case 1 and an electric heating tube fixed on the lower surface of the aluminum plate. Therefore, the heating structure can directly heat the water in the shell 1, and the aluminum plate can disperse the heat generated by the electric heating tube, so that the heating structure can heat the water in the shell 1 more uniformly. Further, the base 11 of the above-mentioned housing 1 is made of a metal material, and an anti-scaling coating (not shown) is provided on the inner surface of the base 11, so that the heating efficiency of water in the steam generator is improved, and the adhesion of scale on the inner surface of the housing 1 can be reduced by providing the anti-scaling coating, which is a ceramic film in this embodiment. Simultaneously, above-mentioned top cap 12, installation cover 3, rotatory impeller 4, parts such as agitator 5 and sealed tube 7 all adopt temperature resistant insulation plastics, can alleviate steam generator's whole weight on the one hand like this for rotatory impeller 4 is more smooth and easy with stirring 51's rotation, and on the other hand enables steam generator and has good thermal insulation performance, avoids the heat dissipation of the steam in the casing 1, thereby further improves steam generator's steam production efficiency.

Claims

1. A steam generator comprises a shell (1) used for containing water and provided with a steam outlet (10) and a steam outlet pipe (2) connected to the steam outlet (10), and is characterized in that a rotary impeller (4) capable of rotating under the drive of steam flow in the steam outlet pipe (2) is installed in the steam outlet pipe (2), a stirrer (5) is arranged in the shell (1), the stirrer (5) comprises a stirring piece (51) capable of stirring water in the shell (1) and a rotating shaft (52) connected to the stirring piece (51) and driving the stirring piece (51) to rotate, and a wheel shaft (41) of the rotary impeller (4) is linked with the rotating shaft (52) through a transmission assembly (6).

2. The steam generator according to claim 1, wherein the steam outlet pipe (2) is disposed on the top wall of the housing (1), and the steam outlet pipe (2) comprises a first pipe body (21) extending vertically and a second pipe body (22) extending horizontally, wherein the first pipe body (21) is communicated with the steam outlet (10) of the housing (1), the second pipe body (22) is used for being communicated with the steam inlet of the steaming cooking device, and the rotary impeller (4) is installed at the connection position of the first pipe body (21) and the second pipe body (22).

3. The steam generator according to claim 2, wherein a mounting cover (3) having a disk shape and a cavity volume corresponding to the rotary impeller (4) is provided at a junction of the first tube (21) and the second tube (22), the rotary impeller (4) is mounted in the mounting cover (3) and is concentrically disposed with the mounting cover (3), the cavity of the mounting cover (3) is communicated with the first tube (21) and the second tube (22), and the first tube (21) and the second tube (22) extend in a tangential direction of the circular cross-section of the mounting cover (3).

4. The steam generator of claim 3, wherein a first mounting hole (31) is formed at a center of an end plate of the mounting cover (3), a first end of the axle (41) is connected to a center of the rotary impeller (4), a second end of the axle penetrates through the first mounting hole (31) and is horizontally disposed, a second mounting hole (14) is formed at a top of the housing (1), the rotating shaft (52) vertically penetrates through the second mounting hole (14), and the transmission assembly (6) is respectively disposed at the second end of the axle (41) and an upper end of the rotating shaft (52).

5. The steam generator according to claim 4, wherein the transmission assembly (6) includes a first transmission cone wheel (61) provided at a second end of the axle (41) and a second transmission cone wheel (62) provided at an upper end of the rotary shaft (52) and engaged with the first transmission cone wheel (61).

6. The steam generator of claim 4, wherein a sealing tube (7) is connected between the first mounting hole (31) and the second mounting hole (14), and the second end of the axle (41), the upper end of the rotating shaft (52), and the transmission assembly (6) are disposed in the sealing tube (7).

7. The steam generator according to any of the claims 3 to 6, characterized in that the bearings (9) are arranged at the connection of the axle (41) and the mounting cover (3) and the connection of the rotating shaft (52) and the top wall of the housing (1), and the bearings (9) are sleeved on the corresponding shafts.

8. The steam generator according to any of the claims 1 to 6, characterized in that the stirring member (51) is a stirring impeller.

9. The steam generator according to any of claims 1 to 6, wherein the housing (1) is provided with a water inlet (13) for connecting with an external water source, and the water inlet (13) is flush with the lowest portion of the inner bottom surface of the housing (1).

10. The steam generator as claimed in any of claims 1 to 6, wherein the bottom of the case (1) is provided with a heating structure comprising an aluminum plate fixed on the bottom surface of the case (1) and an electrothermal tube fixed on the lower surface of the aluminum plate.

11. The steam generator as claimed in any of claims 1 to 6, wherein the housing (1) comprises a base (11) having an upper opening and a top cover (12) covering the opening of the base (11), and the two are detachably connected.

12. The steam generator according to claim 11, characterized in that the base (11) of the housing (1) is of a metallic material and that the inner surface of the base (11) is provided with a fouling resistant coating.