CN211399731U - Plunger type steam generator and steam pot - Google Patents

Abstract

The utility model relates to a plunger type steam generator and steam pot, contain the generator cavity, locate the steam passageway of generator cavity axis position, be located the steam passageway outside and inlay the heating tube of establishing in the generator cavity and locate the inlet tube in the heating tube outside, the heating tube is the heliciform and coils in the steam passageway outside, the inlet tube correspondence sets up in the heating tube outside, the inlet tube includes entrance point and exit end, exit end and steam passageway's inlet end intercommunication, heating process contains the interior secondary heating of primary heating and steam passageway in the inlet tube in the generator cavity, and finally form steam and give vent to anger the end blowout by steam passageway. The utility model utilizes twice heating to generate steam, and the obtained steam is stable and has high dryness; the high temperature of the heating tube is easy to control; meanwhile, the steam generator is simple in structure, steam is directly sprayed out of the steam port and does not pass through the middle pipeline, the energy efficiency is higher, and the energy utilization degree is higher.

Description

Plunger type steam generator and steam pot

Technical Field

The present invention relates to a heating device for generating steam, and more particularly, to a plunger type steam generator and a steam boiler.

Background

Traditional steam generator on market, general mode is that the water passes through the direct expansion of heat-generating body and produces steam, later uses steam rapid discharge generator outside. General steam quality is not high, and has a large amount of moisture, can not reach the effect of culinary art, in order to reach the required steam requirement of culinary art, generally adopts to reduce the water yield and lets the heating tube dry combustion method, and its harmful effects who brings are: the heating tube and the machine body are over-high in temperature, so that the heating tube is easily damaged; and after the temperature in the heating element cavity reaches a certain degree, when water needs to be added, the pressure at the rear end is too high because the temperature of the mixed water body is increased too fast at the front end, so that the water needs to be added by a water pump with higher pressure, the pressure of the water pump is too high, the valve core of the pump body is damaged easily, and the equipment is scrapped in advance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at overcoming above-mentioned prior art's at least not enough, provide a plunger type steam generator and steam pot for the steam moisture content who solves traditional steam generator preparation is big, and the easy problem of damaging of steam generation equipment.

The utility model adopts the technical proposal that:

a plunger type steam generator comprises a generator cavity, a steam channel, a heating pipe and a water inlet pipe, wherein the steam channel is arranged at the middle shaft position of the generator cavity, the heating pipe is positioned outside the steam channel and embedded in the generator cavity, the water inlet pipe is arranged outside the heating pipe, the heating pipe is spirally wound outside the steam channel, the water inlet pipe is correspondingly arranged outside the heating pipe, the water inlet pipe comprises an inlet end and an outlet end, the outlet end is communicated with the air inlet end of the steam channel, the heating process in the generator cavity comprises primary heating in the water inlet pipe and secondary heating in the steam channel, and finally steam is formed to be sprayed out from the air outlet end of the steam channel. The generator cavity can be a die-casting aluminum body and has the functions of heat conduction and heat preservation. The heat that twice heating needs is provided by the heating tube, and the inlet tube is located the heating tube outside, and when water injected into the generator, because the heat conduction effect of generator cavity, the heating tube has heated the inlet tube to the uniform temperature, and liquid water flows in the inlet tube, by the primary heating, produces high temperature high pressure steam-water mixture. The steam-water mixture enters the steam channel and is secondarily heated, the outer wall of the steam channel and the heating pipe are combined into a whole through die-casting aluminum, so that the steam channel and the heating pipe are directly contacted and heated, complete and stable steam is formed, and the steam is sprayed out from the steam channel and is used by external execution mechanisms such as a steam pot.

The steam channel comprises a generator inner core and a generator outer core, the generator outer core is sleeved outside the generator inner core, a gap channel is arranged between the generator inner core and the generator outer core, and the gap channel is communicated with the air outlet end. After steam-water mixture flows to the steam channel, high kinetic energy steam directly brings water drops into the inner core and the inner wall of the outer core, in the cavity, the water drops enter the top of the inner core of the generator and turn back again, then enter the gap channel between the inner core and the outer core, the movement direction changes for many times, the vaporization time and the movement track length of the steam in the generator are prolonged, the steam is discharged from the top after being completely vaporized, the dryness of the steam after the treatment is high, the water content is low, the steam saturation is better, and the overall quality of the steam is higher.

The heating tube is directly contacted with the outer wall of the outer core of the generator. The heating tube continuously provides heat, the outer core of the generator which is in contact with the heating tube is heated, the steam-water mixture flowing through the gap channel between the inner core and the outer core is further vaporized into complete steam, and then the steam is stably output from the top of the outer core of the generator.

The plunger type steam generator further comprises a water pump, and the water pump is connected with the inlet end of the water inlet pipe. The water pump is used for providing water injection power, and the inlet end of the water inlet pipe is positioned at the topmost part of the plunger type steam generator. The advantage of having the water inlet at the top of the generator is that: when liquid water is added to the plunger type steam generator through the action of the water pump, water enters from the top, the pressure of the water pump can be reduced under the action of gravity, and the uniform distribution degree of scale can be increased due to the fact that the scale acts on the inner surface area of the pipeline to be increased, so that the time that the water inlet pipe is blocked by the scale is delayed, and the service life of the plunger type steam generator is finally prolonged.

The plunger type steam generator further comprises a steam transfer pipe, and the steam transfer pipe is communicated with the outlet end of the water inlet pipe and the lower part of the steam channel. The steam adapter tube is connected with the water inlet tube and the steam channel inlet and is mainly used for conveying the steam-water mixture subjected to primary heating to the steam channel for secondary heating.

The plunger type steam generator further comprises a steam valve core, the steam valve core is communicated with the top of the outer core of the generator, and a transverse air outlet hole is formed in the lower end of the steam valve core. The steam valve core is used for transmitting steam, and the transverse air outlet hole can change the moving direction of the steam, so that the moving speed of the high-pressure steam is slowed, and the output is more stable.

And a non-return steel ball is arranged above the transverse air outlet. The function of the non-return steel ball is to make the steam valve become a one-way valve, so that the condensed water and the steam-water mixture generated in the discharging process of the steam do not flow backwards.

The plunger type steam generator further comprises a spray head, the lower portion of the spray head is a steam nozzle, the upper portion of the spray head is a spray head seat, the steam nozzle is communicated with the air outlet end of the steam channel, and the steam nozzle and the spray head seat guide output steam to an external execution mechanism from the interior of the generator. Steam output does not pass through the intermediate pipeline, so that the energy efficiency is higher and the energy utilization rate is higher.

The plunger type steam generator further comprises a temperature control system front end element arranged outside the generator cavity body, and the temperature control system front end element is connected with the heating tube and used for controlling the temperature of the heating tube. The front end element of the temperature control system is connected with the heating tube and used for controlling the temperature of the heating tube, so that the heating tube is stable at high temperature and is not easy to damage due to out-of-control temperature. Meanwhile, the front end element of the temperature control system is arranged outside the cavity of the generator, and when the heating tube is abnormal, the front end element can be observed and maintained in time.

The utility model provides a steam pot that contains plunger type steam generator, the steam pot still contains circuit subassembly, base, steam pan, circuit board protection shield, radiator fan, temperature sensor, relief valve and water inlet joint, the steam pan links in the base top, the base links in plunger type steam generator top, the steam pot lower extreme is located to circuit subassembly, circuit board protection shield, radiator fan, temperature sensor, relief valve and water inlet joint, plunger type steam generator produces steam and provides the steam pan use. The steam nozzle leads the steam out of the plunger type steam generator and leads the steam into the steam cooker for cooking through the nozzle base. The plunger type steam generator can smoothly provide steam with high dryness and low water content for the steam boiler.

The circuit assembly in the steam cooker in the technical scheme is used for controlling the working process, the working mode and the like of the steam cooker. The circuit component comprises a circuit mainboard, a temperature control unit, a main power supply, a steam generator control unit, a water flow control unit, an operation control unit, a pressure relief unit and other electric control units. A circuit board protection board is arranged between the steam generator and the circuit component and used for dry-wet separation, so that the generator and the circuit component are isolated, and each electric control unit is protected.

This technical scheme's steam pot circuit subassembly below is provided with radiator fan, because steam generator control unit's control element is the silicon controlled rectifier, can produce a large amount of heats at the during operation, must use radiator fan in time to take away the heat, and steam generator side can work for a long time.

In order to ensure that the generator can be normally used and continuously generate high-quality steam, the steam cooker of the utility model is also provided with a temperature sensor which is used for monitoring the temperature change of the generator and timely adjusting the power and the water inflow of the heating tube; and a high-temperature kick switch is arranged, when the temperature reaches a certain set value, the working power supply of the generator is cut off to protect other parts in the machine body, and a high-temperature fuse is arranged, and when the control of the front surface temperature control unit fails, the main power supply is cut off, so that the product is protected.

This technical scheme's steam cooker still is provided with the relief valve, when the generator takes place to block up, the generator lasts and produces steam, nevertheless the export is blockked up by incrustation scale etc. and can make the pressure grow of generator, when pressure reachs the inlet channel limit, can take place the booster danger, in order to avoid this kind of danger, specially set up automatic pressure release unit, when generator pressure exceedes and sets for the limit value time automatic relief valve of opening with discharge part steam, reduce the atmospheric pressure in the generator, guarantee the normal work of generator, pressure sensor detects and reports the mistake simultaneously, thereby protection product safety.

All the electric control units of the technical scheme are arranged in the plastic bottom shell, so that safety regulations and product producibility are met.

Steam pot still be provided with the water inlet in the bottom and connect for the water pump intakes, and be provided with hidden power cord import, be convenient for embedded installation.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the two heating processes can stably provide steam, and the obtained steam has high dryness, low water content and high overall quality;

(2) the high temperature of the heating tube of the plunger type steam generator is easy to control;

(3) simple structure, steam is direct to be spouted by the steam port, does not pass through intermediate conduit, and its efficiency is higher, and the energy utilization degree is higher.

Drawings

Fig. 1 is a front view of a plunger type steam generator of embodiment 1.

Fig. 2 is a plan view of a plunger type steam generator of embodiment 1.

Fig. 3 is a sectional view of a plunger type steam generator of embodiment 1.

Fig. 4 is a schematic view of a steamer of embodiment 2.

The figure contains 1-the generator chamber; 2-a steam channel; 3-an air inlet end; 4-air outlet end; 5-a generator inner core; 6-outer core of generator; 7-a clearance channel; 8-a heating tube; 9-a water inlet pipe; 10-a steam adapter tube; 11-steam valve core; 12-transverse air outlet holes; 13-a non-return steel ball; 14-a ram steam generator; 15-steam nozzles; 16-a nozzle base; 17-temperature control system front end element; 18-a base; 19-a steam cooker; 20-a water pump; 21-a circuit main board; 22-circuit board protection board; 23-a radiator fan; 24-a pressure relief valve; 25-a plastic bottom shell; 26-water inlet joint.

Detailed Description

The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 1, it is a front view of the plunger type steam generator of the embodiment 1.

The front end element 17 of the temperature control system is positioned outside the generator cavity 1, and steam is sprayed out through the steam nozzle 15 through the steam valve core 11.

As shown in fig. 2, it is a plan view of the plunger type steam generator of the embodiment 1.

The water inlet pipe 9 introduces liquid water into the plunger type steam generator 14 through a water pump, the heating pipe 8 enters the plunger type steam generator 14 from the outside, and the steam adapter pipe 10 is positioned on the side of the plunger type steam generator 14.

As shown in fig. 3, a sectional view of the plunger type steam generator of the embodiment 1 is shown.

Steam production process experiences twice heating in the plunger type steam generator 14 of this embodiment 1, its place all is located generator cavity 1, there is steam channel 2 in generator cavity 1 axis position, it has heating tube 8 just to inlay to establish in generator cavity 1 to be located the steam channel 2 outside, it has inlet tube 9 to locate the heating tube 8 outside, heating tube 8 is the heliciform and coils in the steam channel 2 outside, inlet tube 9 corresponds the heliciform and coils the setting in the heating tube 8 outside, inlet tube 9 includes entrance point and exit end, the exit end communicates with steam channel 2's inlet end 3, heating process in generator cavity 1 contains the primary heating in inlet tube 9 and the secondary heating in steam channel 2, and finally form steam and give vent to anger the end 4 blowout by steam channel 2. The generator cavity 1 is a die-cast aluminum body.

When liquid water is injected into the plunger type steam generator 14, the heating pipe 8 heats the water inlet pipe 9 to a certain temperature, and the liquid water flows in the water inlet pipe 9 and is heated once to be converted into a high-temperature high-pressure steam-water mixture. The steam adapter tube 10 guides the steam-water mixture into the steam channel 2 for secondary heating. The inner generator core 5 and the outer generator core 6 in the steam channel 2 are both cylindrical, the openings of the inner and outer generator cores face the direction of the source of the steam-water mixture, meanwhile, the diameter of the outer core 6 of the generator is larger than that of the inner core 5 of the generator, a gap channel 7 is arranged between the inner core and the outer core, when the steam-water mixture enters the steam channel 2, the pressure makes most of the steam-water mixture flow to the interior of the inner core 5 of the generator, because the top end of the inner core 5 of the generator is closed, the steam-water mixture turns back down from the top, a small part of the steam-water mixture enters the gap channel 7 between the inner core and the outer core, the heating tube 8 is directly contacted with the outer wall of the outer core 6 of the generator, the heating tube 8 is controlled by the front end element 17 of the temperature control system to continuously heat, the outer core 6 of the generator which is contacted with the outer core is heated, the steam-water mixture which flows through the gap channel 7 of the inner core and the outer core is further vaporized into complete steam, and then the steam is discharged from the air outlet end 4 of the steam channel 2. The steam passes through the transverse air outlet hole 12 of the steam valve core 11, the moving direction is changed, and meanwhile, the moving speed of the high-pressure steam is slowed down, and the high-pressure steam is stably output. A non-return steel ball 13 is arranged above the transverse air outlet 12. The steam valve becomes a one-way valve under the action of the dead weight of the check steel ball 13. The upper part of the steam valve core 11 is connected with a spray head, the lower part of the spray head is provided with a steam nozzle 15, the upper part of the spray head is provided with a spray head seat 16, the steam nozzle 15 is communicated with the upper part of the steam valve core 11, and the steam nozzle 15 and the spray head seat 16 guide the output steam from the interior of the generator to an external execution mechanism for use.

Plunger type steam generator 14 of this embodiment 1 contains generator cavity 1, locate the steam channel 2 of generator cavity 1 axis position, be located the steam channel 2 outside and inlay the heating tube 8 of establishing in generator cavity 1 and locate the inlet tube 9 in the heating tube 8 outside, heating tube 8 is the heliciform and coils in the steam channel 2 outside, inlet tube 9 corresponds the setting in the heating tube 8 outside, inlet tube 9 includes entrance point and exit end, the exit end communicates with the inlet end 3 of steam channel 2, heating process in generator cavity 1 contains the primary heating in inlet tube 9 and the secondary heating in steam channel 2, and finally form steam and give vent to anger the end 4 blowout by steam channel 2. The generator cavity 1 can be a die-casting aluminum body, and the generator cavity 1 has the functions of heat conduction and heat preservation. The heat required by the two heating processes is provided by the heating tube 8, the water inlet tube 9 is positioned outside the heating tube 8, when water is injected into the plunger type steam generator 14, the heating tube 8 heats the water inlet tube 9 to a certain temperature due to the heat conduction function of the generator cavity 1, and liquid water flows in the water inlet tube 9 and is heated once to generate a high-temperature high-pressure steam-water mixture. Steam-water mixture enters the steam channel 2 and is heated secondarily, the outer wall of the steam channel 2 and the heating pipe 8 are combined into a whole through die-casting aluminum, so that the steam channel 2 and the heating pipe 8 are directly contacted and heated, complete and stable steam is formed and is sprayed out from the steam channel 2 to be used by external execution mechanisms such as a steam boiler and the like.

The steam channel 2 comprises a generator inner core 5 and a generator outer core 6, the generator outer core 6 is sleeved outside the generator inner core 5, a gap channel 7 is arranged between the generator inner core 5 and the generator outer core 6, and the gap channel 7 is communicated with the air outlet end 4. After steam-water mixture flows to steam channel 2, high kinetic energy steam directly brings the water droplet into inner core and outer core inner wall, in this intracavity, the water droplet gets into 5 tops of generator inner core and turns back again, and back gets into interior outer core clearance passageway 7, and the direction of motion changes many times, and its aim at extension steam is at the inside vaporization time and the movement track length of generator, treats that steam is discharged by the top after the complete vaporization of steam again, and the steam dryness fraction after so handling is high, the water content is low, and steam saturation is better, and steam overall quality is higher.

The heating tube 8 is in direct contact with the outer wall of the generator outer core 6. The heating pipe 8 continuously provides heat, the generator outer core 6 which is in contact with the heating pipe is heated, the steam-water mixture flowing through the gap channel 7 between the inner core and the outer core is further vaporized into complete steam, and the steam is stably output from the top of the generator outer core 6.

The plug steam generator 14 further comprises a steam adapter tube 10, the steam adapter tube 10 communicating the outlet end of the inlet tube 9 with the lower part of the steam channel 2. The steam adapter tube 10 is connected with the water inlet tube 9 and the inlet of the steam channel 2 and is mainly used for conveying the steam-water mixture subjected to primary heating to the steam channel 2 for secondary heating.

The plunger type steam generator 14 also comprises a steam valve core 11, the steam valve core 11 is communicated with the top of the generator outer core 6, and the lower end of the steam valve core 11 is provided with a transverse air outlet hole 12. The steam valve core 11 is used for transmitting steam, and the transverse air outlet 12 can change the moving direction of the steam, so that the moving speed of the high-pressure steam is slowed, and the output is more stable.

A non-return steel ball 13 is arranged above the transverse air outlet 12. The function of the non-return steel ball 13 is to make the steam valve become a one-way valve, so that the condensed water and steam-water mixture generated in the discharging process of the steam can not flow backwards.

The plunger type steam generator 14 further comprises a spray head, the lower part of the spray head is provided with a steam nozzle 15, the upper part of the spray head is provided with a spray head seat 16, the steam nozzle 15 is communicated with the air outlet end 4 of the steam channel 2, and the steam nozzle 15 and the spray head seat 16 guide the output steam from the interior of the generator to an external execution mechanism. Steam output does not pass through the intermediate pipeline, so that the energy efficiency is higher and the energy utilization rate is higher.

The plunger type steam generator 14 further comprises a temperature control system front end element 17 arranged outside the generator cavity 1, and the temperature control system front end element 17 is connected with the heating tube 8 and used for controlling the temperature of the heating tube 8. The front end component 17 of the temperature control system is connected with the heating tube 8 and used for controlling the temperature of the heating tube 8, so that the heating tube 8 is stable at high temperature and is not easy to damage due to temperature runaway. Meanwhile, the front end element 17 of the temperature control system is arranged outside the generator cavity 1, and when the heating tube 8 is abnormal, the observation and the maintenance can be carried out in time.

Example 2

Fig. 4 is a schematic view of the steamer of the embodiment 2.

The plunger-type steam generator 14 comprises a water pump 20, the water pump 20 being connected to the inlet end of the inlet pipe 9. The water pump 20 is used to provide the water injection power and the inlet end of the water inlet pipe 9 is located at the topmost part of the plunger type steam generator 14. The advantage of having the water inlet at the top of the generator is that: when liquid water is applied to the plunger type steam generator 14 through the action of the water pump 20, water enters from the top, the pressure of the water pump 20 can be reduced under the action of gravity, and the uniform distribution degree of scale can be increased due to the fact that the surface area of the inner surface of the pipeline on which scale acts is increased, so that the time that the water inlet pipe 9 is blocked by the scale is delayed, and the service life of the plunger type steam generator 14 is finally prolonged.

The steamer comprises a circuit assembly, a plunger type steam generator 14, a base 18, a steamer 19, a circuit board protection plate 22, a heat radiation fan 23, a temperature sensor, a pressure release valve 24 and a water inlet connector 26, wherein the steamer 19 is connected above the base 18, the base 18 is connected above the plunger type steam generator 14, and the circuit assembly, the circuit board protection plate 22, the heat radiation fan 23, the temperature sensor, the pressure release valve 24 and the water inlet connector 26 are arranged at the lower end of the steamer. The plunger type steam generator 14 generates steam for the steam boiler 19. The steam nozzle 15 draws steam from the plunger steam generator 14 and introduces the steam into the steam pot 19 through the nozzle base 16 for cooking. The ram steam generator 14 can smoothly supply steam having high dryness and low water content to the steamer.

The circuit assembly in the steam cooker of this embodiment 2 is used to control the operation process and operation mode of the steam cooker. The circuit assembly comprises a circuit main board 21, a temperature control unit, a main power supply, a steam generator control unit, a water flow control unit, an operation control unit, a pressure relief unit and other electric control units. A circuit board protection plate 22 is arranged between the steam generator and the circuit components for dry-wet separation, so that the generator is isolated from the circuit components and each electric control unit is protected.

The steam pot circuit subassembly below of this embodiment 2 is provided with radiator fan 23, because steam generator the control element of unit is the silicon controlled rectifier, can produce a large amount of heats at the during operation, must use radiator fan 23 in time to take away the heat, and steam generator side ability is long-time to work.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. The plunger type steam generator is characterized by comprising a generator cavity, a steam channel, a heating pipe and a water inlet pipe, wherein the steam channel is arranged at the middle shaft position of the generator cavity, the heating pipe is positioned outside the steam channel and embedded in the generator cavity, the water inlet pipe is arranged outside the heating pipe, the heating pipe is spirally wound outside the steam channel, the water inlet pipe is correspondingly arranged outside the heating pipe, the water inlet pipe comprises an inlet end and an outlet end, the outlet end is communicated with the air inlet end of the steam channel, the primary heating in the water inlet pipe and the secondary heating in the steam channel are contained in the heating process in the generator cavity, and finally steam is formed to be sprayed out from the air outlet end of the steam channel.

2. The plunger-type steam generator of claim 1, wherein the steam channel comprises an inner generator core and an outer generator core, the outer generator core is sleeved outside the inner generator core, a gap channel is arranged between the inner generator core and the outer generator core, and the gap channel is communicated with the air outlet end.

3. Plunger type steam generator according to claim 2, characterized in that the heat generating tubes are in direct contact with the outer wall of the generator outer core.

4. The plunger-type steam generator of claim 1, further comprising a water pump connected to the inlet end of the water inlet tube.

5. The plunger-type steam generator of claim 1, further comprising a steam transition tube communicating the outlet end of the water inlet tube with the lower portion of the steam channel.

6. The plunger-type steam generator of claim 2, further comprising a steam valve core, wherein the steam valve core is communicated with the top of the generator outer core, and a transverse vent hole is formed at the lower end of the steam valve core.

7. The plunger type steam generator as set forth in claim 6, wherein a steel check ball is disposed above the transverse air outlet.

8. The plunger-type steam generator of claim 1, further comprising a nozzle, wherein the lower portion of the nozzle is a steam nozzle, the upper portion of the nozzle is a nozzle seat, the steam nozzle is communicated with the steam outlet end of the steam channel, and the nozzle seat is connected to an external execution system.

9. The plunger-type steam generator of claim 1, further comprising a temperature control system front-end element disposed outside the generator chamber, the temperature control system front-end element being connected to the heat-generating tube for controlling the temperature of the heat-generating tube.

10. A steamer comprising a plunger steam generator according to any of the claims 1-9, characterized in that the steamer further comprises a circuit assembly, a base, a steamer tray, a circuit board guard, a heat sink, a temperature sensor, a pressure relief valve and a water inlet connection, the steamer tray is connected to the base, the base is connected to the plunger steam generator, the circuit assembly, the circuit board guard, the heat sink, the temperature sensor, the pressure relief valve and the water inlet connection are arranged at the lower end of the steamer, and the plunger steam generator generates steam for the steamer tray.

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