CN213513840U

CN213513840U - Steam generator

Info

Publication number: CN213513840U
Application number: CN202021963668.3U
Authority: CN
Inventors: 徐泽建; 王徐介楠; 王云华
Original assignee: Zhejiang Lijing New Material Development Co ltd
Current assignee: Zhejiang Lijing New Material Development Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-22
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a steam generator, including the shell, set up water supply installation in the shell, the steam generation room be connected with water supply installation, set up at the outside heat-proof device of steam generation room and with steam generation room fixed connection's outlet duct, steam generation room includes spray water tank, fixed connection at the inside electric heater of spray water tank and set up the ultrasonic atomization ware in spray water tank below. The utility model has the advantages that: the water in the spray water tank is sprayed out through the spray nozzle to form water mist, the back shell which is in contact with the electric heater is rapidly heated to form steam, the steam generation efficiency is improved, and meanwhile, the steam generation chamber can be closed by the heater and the spray water tank, so that the pressure of the steam generation chamber can not be increased even if the steam generation is stopped, and the potential safety hazard is avoided.

Description

Steam generator

Technical Field

The utility model belongs to the technical field of the relevant technique of steam generation and specifically relates to indicate a steam generator.

Background

The steam generator is a device for converting water into high-temperature steam by heating through heat energy, and the existing steam generator mainly comprises a biofuel steam generator, an electric heating steam generator, an oil and gas heating steam generator and the like. Current steam generator is structurally mostly a heating water tank with heater direct contact to be provided with the moisturizing pump that maintains the inside water level of this heating water tank, heating water tank's capacity is great usually, and the heating produces steam and need not be energy-conserving also environmental protection through preheating process, inefficiency. Meanwhile, after the heating device is closed, water in the hot water tank can still be heated by residual heat, so that the pressure in the water tank is increased, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the prior art heating steam inefficiency, not energy-concerving and environment-protective, there is the not enough of potential safety hazard simultaneously, provide a heating steam generation efficient, and a steam generator safe relatively.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steam generator comprises a shell, a water supply device arranged inside the shell, a steam generating chamber connected with the water supply device, a heat insulation device arranged outside the steam generating chamber, and an air outlet pipe fixedly connected with the steam generating chamber, wherein the steam generating chamber comprises a spraying water tank, an electric heater fixedly connected inside the spraying water tank, and an ultrasonic atomizer arranged below the spraying water tank.

Preferably, the spraying water tank is of a double-layer cavity structure, and a plurality of spraying nozzles are arranged on the inner wall of the spraying water tank; the water spray nozzle in the spray water tank forms water mist after being sprayed, the contact area between the water spray nozzle and the electric heater is increased, the heating time for forming steam is reduced, the spray nozzle is closed simultaneously after the electric heater is closed, the water mist is not in contact with the electric heater, steam cannot be generated due to the waste heat of the electric heater, the pressure in the steam generation chamber cannot be increased, and the potential safety hazard is avoided.

Preferably, the side wall of the spray water tank is provided with an air outlet hole, and the air outlet hole is connected with an air outlet pipe; the generated steam may be discharged out of the steam generating chamber.

Preferably, the bottom surface of the spray water tank is provided with a recovery groove, the lower end of the collection groove is provided with a recovery port, and the recovery port is fixedly connected with the ultrasonic atomizer; the collecting groove can collect water which is not heated by the heater to form steam, the water is collected into the ultrasonic atomizer, the collected water is atomized into water mist by the ultrasonic atomizer, the water mist is heated by the heater again, steam is generated, and the steam generation efficiency is improved.

Preferably, the electric heater comprises a heat conducting plate which is arranged into a three-dimensional grid structure, and an electric heating sheet is arranged on the surface of the heat conducting plate; the three-dimensional grid structure increases the contact area of the electric heater and the water mist, and improves the steam generation efficiency.

Preferably, the water supply device comprises a water storage tank arranged at the bottom of the shell, the water storage tank is connected with a pressure water pump, and one end of the pressure water pump is fixedly connected with a connecting water pipe.

Preferably, the outer wall of the spraying water tank is provided with a water inlet, and the water inlet pipe is fixedly connected with the water inlet.

Preferably, the heat insulation device is a box body structure formed by splicing heat insulation plates, the top of the heat insulation device is connected with the top of the shell, the steam generation chamber is arranged in the heat insulation device, and the ultrasonic atomizer is fixed at the bottom of the heat insulation device.

Preferably, the water storage tank is fixedly connected with the bottom of the shell.

The utility model has the advantages that: the water in the water storage tank is pressurized and conveyed to the spraying water tank by the pressure pump in the water supply device, and the water in the spraying water tank is sprayed out through a spraying nozzle arranged on the inner wall of the spraying water tank under the action of pressure to form water mist. The electric heater is arranged in the center of the steam generating chamber, and water mist from all directions can be rapidly heated to form steam when contacting the electric heater, so that the pressure in the steam generating chamber is rapidly increased, and the steam is discharged. The collecting groove and the ultrasonic atomizer arranged at the bottom of the steam generating chamber can collect and atomize water discharged by water without steam formation into water mist, and the water mist is secondarily heated to form steam for discharge.

After the electric heater and the spraying nozzle of the steam generation chamber are closed, no water is in contact with the electric heater with residual temperature, no steam is generated, the pressure of the steam generation chamber is not increased, and potential safety hazards are avoided.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the electric heater of the present invention.

In the drawings, there is shown in the drawings,

1. a steam generating chamber, 101, an electric heater, 102, a spray water tank, 103, a spray nozzle, 104, an ultrasonic atomizer, 105, a collecting groove, 106, a recovery port, 107, a water inlet, 108, a gas outlet, 1011, a heat conducting plate and 1012, an electric heating plate;

2. a thermal insulation device;

3. a water supply device, 301, a water storage tank, 302, a pressure water pump, 303 and a water inlet pipe;

4. an air outlet pipe;

5. a housing.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1 to 3, a steam generator includes a housing 5, a water supply device disposed inside the housing 5, a steam generating chamber 1 connected to the water supply device 3, a heat insulating device 2 disposed outside the steam generating chamber 1, and an outlet pipe 4 fixedly connected to the steam generating chamber 1. The steam generating chamber 1 comprises a spraying water tank 102, the spraying water tank 102 is of a double-layer cavity structure, air outlet holes 186 penetrating through the inner wall and the outer wall are formed in the side wall of the spraying water tank 102, and air outlet holes 108 are connected with an air outlet pipe 4 to discharge steam generated in the steam generating chamber 1. A plurality of spray nozzles 103 are arranged on the inner wall of the spray water tank 102, and water is sprayed from the spray nozzles 103 to form water mist. An electric heater 101 is arranged in the spraying water tank 102, the electric heater 101 comprises a heat conducting plate 1011, a plurality of heat conducting plates 1011 are combined into a three-dimensional grid structure, and an electric heating sheet 1012 is arranged on the surface of each heat conducting plate 1011. The bottom surface of the spray water tank 102 is provided with a collection groove 105, the lower end of the collection groove 105 is provided with a recovery port 106, and the recovery port 106 is fixedly connected with the ultrasonic atomizer 104. The water collected in the collecting grooves 105 can be atomized by the ultrasonic atomizer 104 to form a water mist. The mist generated by the mist spray head 103 and the mist generated by the ultrasonic atomizer 104 are heated by the electric heater 101 in the closed space formed by the mist spray water tank 102 to quickly form steam, and the pressure in the closed space is increased to discharge the steam from the air outlet.

The water supply device 3 comprises a water storage tank 301 fixed at the bottom of the lower shell, the water storage tank 301 is connected with a pressure water pump 302, and one end of the pressure water pump 302 is fixedly connected with a water inlet pipe 303. The outer wall of the spray water tank 102 is provided with a water inlet 107, and a water inlet pipe 303 is fixedly connected with the water inlet 107. The water in the water storage tank 301 is pressed into the spray water tank 102 through the water inlet pipe by the pressurization of the pressure pump 302.

When the steam generator works, the pressure water pump 302 is started, water in the water storage tank 301 is pressurized and conveyed into the spray water tank 102 through the water inlet pipe 303, the water in the spray water tank 102 is sprayed out through the plurality of spray nozzles 103 arranged on the inner wall of the spray water tank 102 to form water mist, the water mist is in contact with the electric heater 101, the contact area of the water mist with the electric heater 101 is increased, meanwhile, the time for generating steam by heating the water mist by the electric heater 101 is short, the steam can be rapidly generated, and the steam is discharged through the air outlet pipe 4. Meanwhile, the collection groove 105 arranged at the bottom of the spray water tank 102 collects water which does not form steam, the water is collected into the ultrasonic atomizer 104 through the recovery port 106, water mist is formed through atomization, and the water mist is heated by the electric heater 101 to form steam, so that the steam generation efficiency is improved. When the steam generator is required to stop working, the pressure water pump 302 is required to be turned off to stop supplying water to the spray water tank 102, the electric heater 101 is turned off, and the spray nozzle 103 is turned off, so that the steam generation is immediately stopped. After the spray nozzle 103 is closed, no water mist contacts the electric heater 101, steam cannot be generated due to the residual heat of the electric heater 101, the pressure in the steam generating chamber 1 cannot be increased, and potential safety hazards are avoided.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A steam generator is characterized by comprising a shell (5), a water supply device (3) arranged inside the shell (5), a steam generating chamber (1) connected with the water supply device (3), a heat insulation device (2) arranged outside the steam generating chamber (1) and an air outlet pipe (4) fixedly connected with the steam generating chamber (1); the steam generating chamber (1) comprises a spraying water tank (102), an electric heater (101) fixedly connected inside the spraying water tank (102) and an ultrasonic atomizer (104) arranged below the spraying water tank (102).

2. The steam generator according to claim 1, wherein the spray water tank (102) has a double-layer cavity structure, and a plurality of spray nozzles (103) are arranged on the inner wall of the spray water tank (102).

3. A steam generator according to claim 1, characterized in that the spray tank (102) is provided with an air outlet (108), and the air outlet (108) is connected with the air outlet pipe (4).

4. The steam generator according to claim 1, wherein the bottom of the spray water tank (102) is provided with a collection groove (105), the lower end of the collection groove (105) is provided with a recovery port (106), and the recovery port (106) is fixedly connected with the ultrasonic atomizer (104).

5. The steam generator as claimed in claim 1, wherein the electric heater (101) comprises a heat conducting plate (1011) arranged in a three-dimensional lattice structure, and the heat conducting plate (1011) is provided with the electric heating sheet (1012) on the surface.

6. A steam generator according to claim 1, characterized in that the water supply means (3) comprises a water storage tank (301), a pressure water pump (302) is connected to the water storage tank (301), and a water inlet pipe (303) is fixedly connected to one end of the pressure water pump (302).

7. The steam generator as claimed in claim 1 or 6, wherein the water inlet (107) is arranged on the outer side wall of the spray water tank (102), and the water inlet pipe (303) is fixedly connected with the water inlet (107).

8. A steam generator according to claim 1, characterized in that the heat insulation means (2) is a box structure assembled by using heat insulation plates, the top of the heat insulation means (2) is connected with the top of the housing (5), the steam generating chamber (1) is arranged in the heat insulation means (2), and the ultrasonic atomizer (104) is fixed at the bottom of the heat insulation means (2).

9. A steam generator according to claim 6, characterized in that the water storage tank (301) is fixedly connected to the bottom surface of the housing (5).