CN203431814U

CN203431814U - Steam generation device

Info

Publication number: CN203431814U
Application number: CN201320426952.0U
Authority: CN
Inventors: 李韶佳
Original assignee: Guangdong Galanz Microwave Oven and Electrical Appliance Manufacturing Co Ltd
Current assignee: Guangdong Galanz Microwave Oven and Electrical Appliance Manufacturing Co Ltd
Priority date: 2013-07-17
Filing date: 2013-07-17
Publication date: 2014-02-12
Anticipated expiration: 2023-07-17

Abstract

A steam generation device comprises a steam generator. The steam generator comprises a water storing cavity and PTC heating elements. The water storing cavity is formed by a front cover and rear cover in an enclosing mode, wherein the front cover is provided with a water inlet, and the rear cover is provided with a common steam outlet. The PTC heating elements comprise the first PTC heating element and the second PTC heating element, wherein the first PTC heating element is arranged on the outer surface of the front cover, the second PTC heating element is arranged on an auxiliary water pipe in a sleeved mode, one end of the auxiliary water pipe is communicated with the common steam outlet, and the other end of the auxiliary water pipe is provided with a supersaturated steam outlet. A socket used for plug-in mounting of an NTC temperature controller is further arranged on the front cover. A seal ring is arranged between the front cover and the rear cover. According to the steam generation device, a heat conduction silicone grease layer is arranged between the first PTC heating element and the front cover, so that the first PTC heating element is convenient to install and replace, and operation is simpler. The steam generation device has the advantages of being simple and reasonable in structure, flexible in operation, and low in manufacturing cost.

Description

A kind of steam raising plant

Technical field

The utility model relates to a kind of steam raising plant.

Background technology

Current steam generator on the market, what its heater adopted is all embedded electrothermal tube, service life of this electrothermal tube, short, fragile, work was used voltage narrow, caused the volume of steam generator large, heating temp is difficult to accurate temperature control, can not produces the problems such as supersaturated vapor of in a large number >=120 ℃ moment.Because embedded electrothermal tube is at high temperature used for a long time, so generally use some months to two year to burn out, and burn out the rear replacing that is generally difficult to.Yet the time that steam generator uses is generally longer, this just means that the steam generator with this electrothermal tube in use will repeatedly keep in repair and change heater, and this brings great trouble to user.

Chinese patent literature CN200996593Y discloses a kind of steam generator on December 26th, 2007, by shell, steam (vapor) outlet, controller, water tank, heater, waterproof penetration pipe, heater temperature limiter, water temperature temperature limiter, discharge outlet, temperature controller, lack of water power-off contactor, float, there is water energising contactor, water inlet pipe, water intaking valve and steam generator support form, pyrotoxin is semiconductor element, by ceramic body, wrapped, the pyrotoxin protective layer that has waterproof outward, pyrotoxin live wire picks out, pyrotoxin is placed in formation heater in heater outer cover, be contained in water tank, heater temperature limiter is housed on heater, in water tank, be provided with float, float can move, can touch and make water energising contactor, there is water energising contactor to control water intaking valve, water intaking valve is at water tank inner top, having water energising contactor to connect heater steam (vapor) outlet communicates with in water tank at water tank upper, lack of water power-off contactor is in water tank bottom, water temperature temperature limiter is arranged in water tank, temperature controller is controlled by controller, and waterproof penetration pipe passes shell in water tank.This steam generator is because adopting semiconductor element as pyrotoxin, so extended the service life of steam generator, still, its complex structure, cost of manufacture is higher.

Utility model content

The purpose of this utility model aim to provide a kind of simple and reasonable, machine volume is little, flexible operation, cost of manufacture is low, Energy Efficiency Ratio is high, applied widely steam raising plant, to overcome weak point of the prior art.

By a kind of steam raising plant of this object design, comprise steam generator, this steam generator comprises water containing chamber and PTC heater, its architectural feature is that protecgulum and bonnet surround water containing chamber jointly, on protecgulum, be provided with water inlet, on bonnet, be provided with common steam outlet, PTC heater comprises a PTC heater and the 2nd PTC heater, the one PTC heater is arranged on the outer surface of protecgulum, the 2nd PTC heater is set on auxiliary water tube, one end of this auxiliary water tube communicates with common steam outlet, and the other end of auxiliary water tube is supersaturated vapor outlet.

Further, between a described PTC heater and protecgulum, be provided with heat-conducting silicone grease layer.

Further, on described protecgulum, be also provided for the socket of plug-in mounting NTC temperature controller.

Further, steam raising plant also comprises water tank, float, water yield check-out console, water pipe, water pump, controller and power supply, and wherein, float is arranged in water tank, water yield check-out console is attached on water tank, water yield check-out console is electrically connected to controller, and water tank communicates with water inlet by water pipe, and water pump is serially connected in water pipe, controller is electrically connected to power supply, controller is electrically connected to water pump, and NTC temperature controller is electrically connected to controller, and controller is electrically connected to a PTC heater and the 2nd PTC heater respectively.

Further, between described protecgulum and bonnet, be provided with sealing ring.

A PTC heater and the 2nd PTC heater in the utility model are PTC semiconductive ceramic heater, and PTC semiconductive ceramic heater is a kind of thermistor of positive temperature coefficient, its resistance value is along with the rising of thermistor body temperature presents the increase of step evolution, temperature is higher, resistance value is larger, its power is less, effectively reduces energy consumption.

Between a PTC heater in the utility model and protecgulum, be provided with heat-conducting silicone grease layer, thereby improve the transmission between heat, improve heating rate.

The utility model adopts a PTC heater and the 2nd PTC heater, through NTC temperature controller, detect the heating temp of a PTC heater, by controller, judge whether to reach 125 ℃～135 ℃ of design temperatures again, and then pump water enters in water containing chamber, thereby produce a large amount of steam, this steam is discharged through the be again heated to be >=supersaturated vapor of 120 ℃ of the 2nd PTC heater again.

During the utility model work, energy consumption is low, noise is low, steam supply is continuous, a PTC heater and the 2nd PTC heater wherein all can be comprised of more than one group ceramic heating element, can, according to the quantity of the corresponding increase of product needed PTC heater, have larger flexibility.

The utlity model has simple and reasonable, flexible operation and the low feature of cost of manufacture.

Accompanying drawing explanation

Fig. 1 is the decomposing schematic representation of the steam generator in the utility model.

Fig. 2 is the rear perspective schematic diagram of Fig. 1.

Fig. 3 is the schematic perspective view after steam generator assembling.

Fig. 4 is the axial local cut-away illustration of steam generator.

Schematic diagram when Fig. 5 is the utility model use.

Fig. 6 is control flow chart of the present utility model.

In figure: 1 is a PTC heater, and 2 is protecgulum, and 3 is sealing ring, and 4 is bonnet, 5 is water inlet, and 6 is socket, and 7 is NTC temperature controller, and 8 is heat-conducting silicone grease layer, 9 is common steam outlet, and 10 is the 2nd PTC heater, and 11 is supersaturated vapor outlet, and 31 is water tank, 32 is water, and 33 is float, and 34 is water yield check-out console, 35 is water pipe, and 36 is water pump, and 40 is controller, 41 is power supply, and 44 for being positioned at the water of water containing chamber, and 48 is supersaturated vapor.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is further described.

Referring to Fig. 1-Fig. 6, this steam raising plant, comprise steam generator, this steam generator comprises water containing chamber and PTC heater, protecgulum 2 and bonnet 4 surround water containing chamber jointly, on protecgulum 2, be provided with water inlet 5, on bonnet 4, be provided with common steam outlet 9, PTC heater comprises a PTC heater 1 and the 2nd PTC heater 10, the one PTC heater 1 is arranged on the outer surface of protecgulum 2, the 2nd PTC heater 10 is set on auxiliary water tube, and one end of this auxiliary water tube communicates with common steam outlet 9, and the other end of auxiliary water tube is supersaturated vapor outlet 11.

In the present embodiment, between a PTC heater 1 and protecgulum 2, be provided with heat-conducting silicone grease layer 8.

On protecgulum 2, be also provided for the socket 6 of plug-in mounting NTC temperature controller 7.

Steam raising plant also comprises water tank 31, float 33, water yield check-out console 34, water pipe 35, water pump 36, controller 40 and power supply 41, wherein, float 33 is arranged in water tank 31, water yield check-out console 34 is attached on water tank 31, water yield check-out console 34 is electrically connected to controller 40, water tank 31 communicates with water inlet 5 by water pipe 35, water pump 36 is serially connected in water pipe 35, controller 40 is electrically connected to power supply 41, controller 40 is electrically connected to water pump 36, NTC temperature controller 7 is electrically connected to controller 40, controller 40 is electrically connected to a PTC heater 1 and the 2nd PTC heater 10 respectively.

Between protecgulum 2 and bonnet 4, be provided with sealing ring 3.

The method of operating of steam raising plant, comprises the following steps:

Step 1, switches on power 41,

Step 2, starts controller 40, sets the working time,

Step 3, starts the 2nd PTC heater 10 heating,

Step 4, the water yield detecting in water tank 31 by float 33 and water yield check-out console 34, after detection, timing starts,

Step 5, while having water in water tank 31, enters step 7; While there is no water in water tank 31, enter step 6,

Step 6, prompting water tank 31 adds water, and time out, enters step 4,

Step 7, by the operating temperature t of NTC temperature controller 7 detection the one PTC heaters 1,

Step 8, when 0 ℃ of < operating temperature t≤125 ℃, enters step 10, when 125 ℃≤operating temperature t, enters step 9,

Step 9, water pump 36 pump water, enter step 4,

Step 10, starts PTC heater 1 heating, enters step 11,

Step 11, when the working time finishes, enters step 12; When the working time does not finish, enter step 7,

Step 12, detects and heating all stops.

For above-mentioned step, can sketch and be: restarting controller after startup power supply, the 2nd PTC heater 10 starts heating, now water tank must topped up with water, after

float

33 and 34 detections of water yield check-out console, feed back to controller, as water tank has water to point out, please not add water, the 2nd PTC heater 10 stops heating; When feedback information is when having water, then by NTC temperature controller, detected the temperature of a PTC heater 1, now have two kinds of situations.

The first is: when detected temperatures >=125 ℃, water pump starts pump water, and whether the temperature that now temperature controller does not stop to detect a PTC heater 1 125 ℃ of <, are to stop pump water, no with regard to pump water to temperature, lower till.When temperature lowers, controller again detects water tank and whether also has water, when water tank has water to point out, does not add water, and the 2nd PTC heater 10 stops heating, as water tank has water, starts PTC heater 1 heating.

The second is: when 125 ℃ of detected temperatures <, start PTC heater 1 heating, heating time NTC temperature controller detected temperatures ceaselessly, when detected temperatures >=125 ℃, water pump starts pump water, the water inlet of water from water tank process water pump to steam generator, water enters in the water containing chamber being comprised of protecgulum and bonnet, heating-up temperature >=125 ℃ due to a PTC heater 1, now water moment of being heated turns to a large amount of common steam, this common steam is discharged in auxiliary water tube by common steam outlet, because the 2nd PTC heater 10 is set on auxiliary water tube, common steam again heat temperature raising is supersaturated vapor, and discharge from supersaturated vapor outlet.

Temperature rises to again >=125 ℃ time, water pump starts pump water, whether the temperature that now temperature controller ceaselessly detects a PTC heater 1 125 ℃ of <, are to stop pump water, thus circulation until the working time of setting finish or point out there is no water.

Claims

1. a steam raising plant, comprise steam generator, this steam generator comprises water containing chamber and PTC heater, it is characterized in that protecgulum (2) and bonnet (4) surround water containing chamber jointly, on protecgulum (2), be provided with water inlet (5), on bonnet (4), be provided with common steam outlet (9), PTC heater comprises a PTC heater (1) and the 2nd PTC heater (10), the one PTC heater (1) is arranged on the outer surface of protecgulum (2), the 2nd PTC heater (10) is set on auxiliary water tube, one end of this auxiliary water tube communicates with common steam outlet (9), the other end of auxiliary water tube is supersaturated vapor outlet (11).

2. steam raising plant according to claim 1, is characterized in that being provided with heat-conducting silicone grease layer (8) between a described PTC heater (1) and protecgulum (2).

3. steam raising plant according to claim 1 and 2, is characterized in that being also provided on described protecgulum (2) socket (6) of plug-in mounting NTC temperature controller (7).

4. steam raising plant according to claim 3, it is characterized in that also comprising water tank (31), float (33), water yield check-out console (34), water pipe (35), water pump (36), controller (40) and power supply (41), wherein, float (33) is arranged in water tank (31), water yield check-out console (34) is attached on water tank (31), water yield check-out console (34) is electrically connected to controller (40), water tank (31) communicates with water inlet (5) by water pipe (35), water pump (36) is serially connected in water pipe (35), controller (40) is electrically connected to power supply (41), controller (40) is electrically connected to water pump (36), NTC temperature controller (7) is electrically connected to controller (40), controller (40) is electrically connected to a PTC heater (1) and the 2nd PTC heater (10) respectively.

5. steam raising plant according to claim 4, is characterized in that being provided with sealing ring (3) between described protecgulum (2) and bonnet (4).