CN210204424U

CN210204424U - High-temperature steam generator and high-temperature steam cabinet

Info

Publication number: CN210204424U
Application number: CN201822275179.8U
Authority: CN
Inventors: Xingye Liao; 廖兴业; Jiansheng Yang; 杨建升
Original assignee: GUANGZHOU CITY TIANZHUN FOODSTUFF MACHINERY CO Ltd
Current assignee: GUANGZHOU CITY TIANZHUN FOODSTUFF MACHINERY CO Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2020-03-31
Anticipated expiration: 2028-12-28

Abstract

The utility model discloses a high-temperature steam generator, which comprises a steam source and a temperature booster, wherein a temperature-increasing steam inlet of the temperature booster is communicated with the steam source, steam rushing out from a temperature-increasing steam outlet of the temperature booster enters a cabinet body, and the temperature booster comprises at least one group of heating pipe sets; the heating pipe set comprises a steam heater, an inner pipe and an outer pipe, the inner pipe is inserted into the outer pipe, a gap is reserved between the outer wall of the inner pipe and the inner wall of the outer pipe to form a steam turn-back channel, the steam turn-back channel is communicated with a warming steam outlet, a steam pipe opening for communicating the interior of the inner pipe and the steam turn-back channel is formed in the inner pipe, the steam heater is arranged in the inner pipe, and the inner pipe is communicated with the warming steam inlet. The utility model also discloses a high temperature steaming cabinet that includes high temperature steam generator, it includes the cabinet body, and high temperature steam generator sets up at the cabinet internally. This high temperature evaporates cabinet and is provided with high temperature steam generator, and in the use, the temperature of the internal steam of cabinet is higher and the distribution of steam is more even, and is more energy-conserving high-efficient to the processing of material object.

Description

High-temperature steam generator and high-temperature steam cabinet

Technical Field

The utility model relates to a high temperature steam generator, simultaneously the utility model discloses still relate to a high temperature that includes high temperature steam generator evaporates cabinet.

Background

A steaming cabinet is a common kitchen appliance, and the principle of the steaming cabinet is that high-temperature steam generated by the steaming cabinet is used for processing food in the steaming cabinet. The existing steaming cabinet is usually provided with a basin at the bottom, the upper end of the basin is opened, water in the basin is heated by a heater to generate steam, and the steam which naturally floats upwards is directly used for steaming food in the cabinet, but due to technical limitation, the temperature of the steam in the existing steaming cabinet can only reach about 105 ℃, so that the ideal food processing temperature can not be reached, the food processing efficiency is influenced, and the taste of the processed food can be maintained due to lack and the nutrient content of the food is influenced.

On the other hand, current steaming cabinet is direct to be set up level sensor and ball-cock assembly in the basin that produces steam, and when the water boiling in the basin, the water of boiling will constantly strike level sensor and ball-cock assembly, not only makes and produces great noise in the basin, also can shorten level sensor and automatic water replenishing device's life moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem, namely, a high-temperature steam generator which can effectively improve the steam temperature is provided.

The utility model aims to solve the second technical problem that a high temperature steaming cabinet with high temperature steam generator is provided, this steaming cabinet can produce the steam of higher temperature and process food, realizes energy-conserving efficient purpose.

Solve above-mentioned first technical problem, the utility model discloses a following technical scheme:

a high temperature steam generator, including the steam supply, its characterized in that: the steam heating system also comprises a temperature booster with a temperature-increasing steam inlet and a temperature-increasing steam outlet, wherein the temperature-increasing steam inlet of the temperature booster is communicated with a steam source, and the temperature booster comprises at least one group of heating pipe sets; the heating pipe set comprises a steam heater, an inner pipe and an outer pipe, the inner pipe is inserted into the outer pipe, a gap is reserved between the outer wall of the inner pipe and the inner wall of the outer pipe to form a steam return channel, the steam return channel is communicated with the warming steam outlet, a steam pipe opening for communicating the interior of the inner pipe with the steam return channel is arranged on the inner pipe, the steam heater is arranged in the inner pipe, and the inner pipe is communicated with the warming steam inlet; and the steam entering the temperature booster from the temperature-increasing steam inlet enters the inner pipe and is reheated by the steam heater, the reheated steam enters the steam return channel from the steam pipe opening, the steam flows along the outer wall of the inner pipe in the steam return channel to be reheated, and the steam flowing through the steam return channel comes out from the temperature-increasing steam outlet.

Further, the steam source comprises a main water tank, a water heater, an auxiliary water tank, a floating ball valve and a liquid level sensor, a water inlet connected with an external water source is formed in the auxiliary water tank, the floating ball valve is arranged at the water inlet, the liquid level sensor is arranged in the auxiliary water tank, the main water tank and the auxiliary water tank are arranged side by side, the bottom of the main water tank is communicated with the bottom of the auxiliary water tank, the water heater is arranged in the main water tank and used for heating water to generate steam, a water tank steam outlet is formed in the upper portion of the main water tank, and the water tank steam outlet is connected with the warming steam inlet.

Furthermore, the warming steam inlet is arranged in the middle of the warmer, the warming steam outlet is arranged on two sides of the warmer, the number of the heating pipe sets is two, the heating pipe sets are symmetrically arranged on two sides of the warming steam inlet, when the number of the heating pipe sets is larger than two, the heating pipe sets on the same side are mutually connected in series, and steam sequentially passes through the heating pipe sets which are mutually connected in series.

Furthermore, the heater comprises four groups of heating pipe sets, the power supplies of the steam heaters of the two groups of heating pipe sets positioned on the inner side are controlled by a first-gear heating switch, and the power supplies of the steam heaters of the two groups of heating pipe sets positioned on the outer side are controlled by a second-gear heating switch.

Further, steam heater includes heating rod and connector, the one end of inner tube with the steam inlet intercommunication of heating the other end of inner tube is equipped with adapter sleeve, the heating rod inserts in the inner tube, the connector with adapter sleeve threaded connection.

Furthermore, the steam pipe opening is arranged at the other end of the inner pipe, which is provided with the connecting sleeve, is hermetically connected with one end of the outer pipe, and the other end of the outer pipe is communicated with the warming steam outlet.

Further, the inner pipe and the outer pipe are in the shape of a circular pipe or a square pipe.

Solve above-mentioned second technical problem, the utility model discloses the technical scheme who adopts as follows:

the high-temperature steaming cabinet comprising the high-temperature steam generator is characterized in that: the high-temperature steam generator is arranged in the cabinet body, and steam coming out of a warming steam outlet of the warmer enters the cabinet body and is used for processing food in the cabinet body.

Furthermore, the temperature increasing device is arranged at the bottom in the cabinet body, and steam coming out of a temperature increasing steam outlet of the temperature increasing device directly enters the cabinet body.

Furthermore, a layer frame and a steaming tray are arranged in the cabinet body, the steaming tray is stacked up and down in the layer frame, a steam ascending channel is reserved between the side face of the layer frame and the inner side face of the cabinet body, and part of steam coming out from the warming steam outlet flows through the steam ascending channel.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a high temperature steam generator has set up the heater, and steam can heat when the inner tube through the heater, can reheat when the passageway turns back through steam to can obtain the steam of higher temperature. The double-layer heating structure can fully absorb and utilize the heat emitted by the steam heater, thereby achieving the purpose of saving more energy.

2. The utility model discloses a steam source sets up main water tank and expansion tank, and the water boiling through main water tank produces steam, and through expansion tank control water intaking and water level, the temperature meeting of expansion tank's water is lower, can not the boiling, and ball-cock assembly and level sensor all establish in the expansion tank to avoid appearing the water of boiling and constantly strike level sensor and ball-cock assembly's the condition, reduced the noise, prolonged life.

3. The utility model discloses a but the temperature booster symmetry sets up, and the temperature booster efficiency of this structure is higher. When the heating pipe groups on the same side are mutually connected in series, steam can be heated through one group of heating pipe groups, so that the steam can be heated for many times, and the temperature of the steam coming out of the temperature booster is higher.

4. The utility model discloses a high temperature evaporates the cabinet owing to be provided with high temperature steam generator, and is provided with the ascending passageway of steam between the medial surface of the side of layer frame and the cabinet body, and high temperature steam can follow the ascending passageway of steam and rise for in the use, the temperature of the internal steam of cabinet is higher and the distribution of steam is more even, and is more energy-conserving high-efficient to the processing in kind.

Drawings

Fig. 1 is a schematic partial cross-sectional view of a high temperature steam generator according to the present invention;

FIG. 2 is a schematic cross-sectional view of the warmer of the present invention;

FIG. 3 is a schematic cross-sectional view taken at A-A in FIG. 2;

FIG. 4 is a schematic view of the high temperature steaming cabinet of the present invention in partial section;

fig. 5 is a second partial sectional view of the high temperature steaming cabinet of the present invention.

Detailed Description

The present invention will be further described with reference to the following examples.

As shown in fig. 1 to 3, the high temperature steam generator of the present embodiment includes a steam source and a temperature increasing device 2. The temperature increasing device 2 is provided with a temperature increasing steam inlet 21 and a temperature increasing steam outlet 22, the temperature increasing steam inlet 21 of the temperature increasing device 2 is communicated with a steam source, and the steam with the temperature increased by the temperature increasing device 2 comes out from the temperature increasing steam outlet 22 of the temperature increasing device 2.

As shown in fig. 2 and 3, the heater 2 includes at least one heating pipe set 23, the heating pipe set 23 includes a steam heater, an inner pipe 232 and an outer pipe 231, the inner pipe 232 is inserted into the outer pipe 231, a gap is left between an outer wall of the inner pipe 232 and an inner wall of the outer pipe to form a steam return channel 236, the steam return channel 236 is communicated with the warming steam outlet 22, a steam pipe orifice 237 communicating the inside of the inner pipe 232 with the steam return channel 236 is provided on the inner pipe 232, the steam heater is disposed in the inner pipe 232, and the inner pipe 232 is communicated with the warming steam inlet 21.

When the steam heating device is used, steam generated by a steam source enters the temperature booster 2 from the temperature-boosting steam inlet 21, the steam entering the temperature booster from the temperature-boosting steam inlet 21 enters the inner pipe 232 and is reheated by the steam heater, the steam reheated by the steam heater enters the steam return channel 236 from the steam pipe orifice 237, the steam return channel 236 surrounds the periphery of the inner pipe 232, the steam flows along the outer wall of the inner pipe 232 in the steam return channel 236, the steam is reheated by heat dissipated from the inner pipe wall, and the steam flowing through the steam return channel 236 flows out from the temperature-boosting steam outlet 22.

The steam source of this embodiment is self-contained. In order to avoid the situation that the boiling water body continuously impacts the liquid level sensor and the ball float valve, the steam source of the present embodiment includes a main water tank 3, a water heater, a sub-water tank 4, a ball float valve 42 and a liquid level sensor 41. The auxiliary water tank 4 is provided with a water inlet 43 connected with an external water source, the ball float valve 42 is arranged at the water inlet 43, the ball float 421 of the ball float valve is positioned in the auxiliary water tank 4, and when the water level is lower than a set value, the ball float valve 42 is automatically opened, so that the water level is controlled. The liquid level sensor 41 is provided in the subtank 4 so that dry burning can be avoided. The main water tank 3 and the auxiliary water tank 4 are arranged side by side, and the bottom of the main water tank 3 is communicated with the bottom of the auxiliary water tank 4, so that the water level of the main water tank 3 is consistent with that of the auxiliary water tank 4. The water heater is arranged in the main water tank 3 and used for heating water to generate steam, a water tank steam outlet 34 is arranged at the upper part of the main water tank 3, and the water tank steam outlet 34 is connected with the warming steam inlet 21. When the water-saving device is used, water flows into the auxiliary water tank 4 from the water inlet 43 and then flows into the main water tank 3, steam is generated by boiling of the water in the main water tank 3, water inlet and water level are controlled by the auxiliary water tank 4, and the water in the auxiliary water tank 4 is low in temperature and cannot be boiled. The water heater may be a device that generates heat by electric energy such as an electric heating wire and an electric heating rod, or a device that generates heat by combustion gas such as a gas stove.

In this embodiment, the warming steam inlet 21 is disposed in the middle of the warmer 2, the warming steam outlets 22 are disposed on two sides of the warmer 2, the number of the heating pipe groups 23 is two, the heating pipe groups 23 are symmetrically disposed on two sides of the warming steam inlet 21, and the steam return passages 236 of the heating pipe groups 23 on the two sides are respectively communicated with the warming steam outlets 22 on the two sides. When the number of the heating tube groups 23 is more than two, that is, the number of the heating tube groups 23 is four, six, eight, etc., the heating tube groups 23 on the same side are connected in series. That is, as shown in fig. 2, when there are four groups, the inner tubes 232 of the heating tube group closest to the warming steam inlet 21 are all communicated with the warming steam inlet 21 in the middle, the steam return passages 236 of the heating tube group located at the outermost edge are respectively communicated with the warming steam outlets 22 at both sides, when there are more than four groups, the inner tube 232 of the heating tube group between them is communicated with the steam return passage 236 of the previous heating tube group, and the steam return passage 236 is communicated with the inner tube 232 of the next heating tube group. In this way, the steam will in turn pass through the heating banks 23 in series with each other, so that the steam can be heated several times, resulting in a higher temperature of the steam coming out of the warmer 2. The arrows in fig. 1 to 3 show the flow path of the steam.

Specifically, the temperature increasing device 2 of the present embodiment includes four sets of heating tube sets 23, the power supplies of the steam heaters of the two sets of heating tube sets 23 located on the inner side are controlled by the first-stage temperature increasing switch 61, and the power supplies of the steam heaters of the two sets of heating tube sets 23 located on the outer side are controlled by the second-stage temperature increasing switch 62. When the first-gear temperature-increasing switch 61 is turned on, only the two groups of heating pipe groups 23 on the inner side heat the steam, and at the moment, the temperature of the steam coming out of the temperature-increasing steam outlet 22 can reach 135 ℃; when the first-gear warming switch 61 and the second-gear warming switch 62 are turned on simultaneously, the four groups of heating tube sets 23 heat the steam, the steam entering from the warming steam inlet 21 is divided into two parts, and the two parts of steam are respectively heated by the two groups of heating tube sets 23 connected in series, and at the moment, the temperature of the steam exiting from the warming steam outlet 22 can reach 180 ℃. It can be seen that the heating temperature of the steam by the heater 2 can be controlled by controlling the number of the heating banks 23 to be turned on, so that the food processor can be applied to a wider variety of foods. Of course, the number of the heating tube sets 23 and the temperature increasing switches can be correspondingly increased to obtain more steam with different temperatures.

The steam heater of this embodiment includes a heating rod 233 and a connector 234, one end of the inner tube 232 is communicated with the warming steam inlet 21, a connection sleeve 235 is provided at the other end of the inner tube 232, the heating rod 233 is inserted into the inner tube 232, and the connector 234 is screwed with the connection sleeve 235, of course, the screwed connection is sealed. The structure facilitates the maintenance and replacement of the steam heater.

Preferably, the steam pipe orifice 237 is opened at the other end of the inner pipe 232 provided with a connecting sleeve, the other end of the inner pipe 232 provided with a connecting sleeve is hermetically connected with one end of the outer pipe 231, and the other end of the outer pipe 231 is communicated with the warming steam outlet 22.

The inner tube 232 and the outer tube 231 of the temperature increasing device 2 may be circular tubes or square tubes, or may be other shapes that can achieve the function of the temperature increasing device.

Fig. 4 and 5 show a high temperature steaming cabinet including a high temperature steam generator according to this embodiment, which includes a cabinet body 1, the high temperature steam generator is disposed in the cabinet body 1, and steam coming out from a warming steam outlet of the warmer 2 enters the cabinet body 1 for processing food in the cabinet body 1.

The temperature increasing device 2 of the embodiment is arranged in the cabinet body 1 and is located at the bottom of the cabinet body 1, and the steam coming out from the temperature increasing steam outlet 22 directly enters the cabinet body 1 and naturally rises.

A layer frame 8 and a plurality of steaming trays 9 are arranged in the cabinet body 1, the steaming trays 9 are stacked up and down and placed in the layer frame 8, and the steaming trays 9 are used for containing food to be processed, such as cooked rice to be steamed. Leave the steam and rise the passageway between the side of layer frame 8 and the medial surface of the cabinet body 1, the partial steam that comes out from the steam outlet that heats rises through the steam and rises to get into whole cabinet body 1 inside, make the higher and more even distribution of steam of the temperature of the interior steam of the cabinet body 1. More specifically, two sides of the layer frame 8 are respectively provided with a plurality of corresponding supporting edges 81, two sides of the steaming tray 9 are respectively provided with a sliding edge 91, the steaming tray 9 can slide into the layer frame 8 through the sliding edges 91, and the supporting edges 81 support the sliding edges 91.

For safety, an air release pipe 13 communicated with the inside of the cabinet body is arranged at the back of the cabinet body 1, an air release valve 14 is arranged on the air release pipe 13, and the air release valve 14 automatically opens and releases air when the pressure in the cabinet body 1 exceeds a set value.

More specifically, twelve steaming trays 9 are provided in the embodiment, a cabinet door 5 is provided in front of the cabinet body 1, a door hinge 51 is provided on one side of the cabinet door 5, a door handle 52 is provided on one side, and the cabinet door can be locked in front of the cabinet body 1 through a door fastener. The first-gear temperature-increasing switch 61 and the second-gear temperature-increasing switch 62 are arranged above the cabinet body 1, and are correspondingly provided with the indicating lamps 7. A water tank drain pipe 32 communicated with the main water tank 3 is arranged below the main water tank 3, a water tank drain valve 33 is arranged on the water tank drain pipe 32, a cabinet body drain pipe 11 communicated with the bottom of the cabinet body 1 is arranged below the cabinet body 1, and a cabinet body drain valve 12 is arranged on the cabinet body drain pipe 11. An electric cabinet 10 for controlling the high-temperature steaming cabinet is arranged above the cabinet body 1. A water gauge 31 for displaying the water level of the main tank and facilitating the observation of a user is provided in front of the main tank 3. The main tank 3 and the subtank 4 of the present embodiment are disposed below the cabinet 1.

The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.

Claims

1. A high temperature steam generator, including the steam supply, its characterized in that: the steam heating system also comprises a temperature booster with a temperature-increasing steam inlet and a temperature-increasing steam outlet, wherein the temperature-increasing steam inlet of the temperature booster is communicated with a steam source, and the temperature booster comprises at least one group of heating pipe sets; the heating pipe set comprises a steam heater, an inner pipe and an outer pipe, the inner pipe is inserted into the outer pipe, a gap is reserved between the outer wall of the inner pipe and the inner wall of the outer pipe to form a steam return channel, the steam return channel is communicated with the warming steam outlet, a steam pipe opening for communicating the interior of the inner pipe with the steam return channel is arranged on the inner pipe, the steam heater is arranged in the inner pipe, and the inner pipe is communicated with the warming steam inlet; and the steam entering the temperature booster from the temperature-increasing steam inlet enters the inner pipe and is reheated by the steam heater, the reheated steam enters the steam return channel from the steam pipe opening, the steam flows along the outer wall of the inner pipe in the steam return channel to be reheated, and the steam flowing through the steam return channel comes out from the temperature-increasing steam outlet.

2. The high temperature steam generator of claim 1, wherein: the steam source comprises a main water tank, a water heater, an auxiliary water tank, a ball float valve and a liquid level sensor, wherein the auxiliary water tank is provided with a water inlet connected with an external water source, the ball float valve is arranged at the water inlet, the liquid level sensor is arranged in the auxiliary water tank, the main water tank and the auxiliary water tank are arranged side by side, the bottom of the main water tank is communicated with the bottom of the auxiliary water tank, the water heater is arranged in the main water tank and used for heating water to generate steam, a water tank steam outlet is arranged on the upper portion of the main water tank, and the water tank steam outlet is connected with a temperature-increasing steam inlet.

3. The high temperature steam generator of claim 1, wherein: the heating steam inlet is arranged in the middle of the heater, the heating steam outlet is arranged on two sides of the heater, the number of the heating pipe sets is two, the heating pipe sets are symmetrically arranged on two sides of the heating steam inlet, when the number of the heating pipe sets is larger than two, the heating pipe sets on the same side are mutually connected in series, and steam sequentially passes through the heating pipe sets which are mutually connected in series.

4. A high temperature steam generator according to claim 3, wherein: the temperature booster comprises four groups of heating pipe groups, the power supplies of the steam heaters of the two groups of heating pipe groups positioned on the inner side are controlled by a first-gear temperature boosting switch, and the power supplies of the steam heaters of the two groups of heating pipe groups positioned on the outer side are controlled by a second-gear temperature boosting switch.

5. The high temperature steam generator of claim 1, wherein: the steam heater includes heating rod and connector, the one end of inner tube with the steam inlet intercommunication of heating the other end of inner tube is equipped with adapter sleeve, the heating rod inserts in the inner tube, the connector with adapter sleeve threaded connection.

6. The high temperature steam generator of claim 5, wherein: the steam pipe opening is arranged at the other end of the inner pipe, which is provided with the connecting sleeve, is hermetically connected with one end of the outer pipe, and the other end of the outer pipe is communicated with the warming steam outlet.

7. The high temperature steam generator of claim 1, wherein: the inner pipe and the outer pipe are round pipes or square pipes.

8. A high temperature steaming cabinet incorporating the high temperature steam generator of any one of claims 1 to 7, wherein: the high-temperature steam generator is arranged in the cabinet body, and steam coming out of a warming steam outlet of the warmer enters the cabinet body and is used for cooking food in the cabinet body.

9. A high temperature steaming cabinet according to claim 8, wherein: the temperature increasing device is arranged at the bottom in the cabinet body, and steam coming out of a temperature increasing steam outlet of the temperature increasing device directly enters the cabinet body.

10. A high temperature steaming cabinet according to claim 9, wherein: the steam heating cabinet is characterized in that a layer frame and a steam tray are arranged in the cabinet body, the steam tray is stacked up and down in the layer frame, a steam ascending channel is reserved between the side face of the layer frame and the inner side face of the cabinet body, and part of steam coming out from the temperature-increasing steam outlet flows through the steam ascending channel.