Steam generating device

Abstract

The utility model discloses a steam generating device which comprises a liquid storage tank and a generator, the liquid storage tank is connected with the generator through a pipeline, a liquid inlet pump is arranged on the pipeline, and a console is arranged on the generator. The utility model provides a steam generating device which can accurately control the liquid inlet flow and the temperature of discharged steam and improve the generation efficiency of the steam.

Description

Technical Field

[0001] The utility model belongs to the field of steam generating devices, and particularly relates to a steam generating device. Background Art

[0002] A steam generator is a special device for precisely and quantitatively supplying water vapor in a laboratory. Precise, continuous, and stable water vapor is required in application environments such as steel corrosion, fuel cell testing, catalytic hydrothermal aging, fixed bed fluidized bed reaction, biodegradation, and synthesis reaction. Traditional steam generators generate steam by using an electric heating tube to boil water and control the power. It is difficult to control the temperature and the amount of steam generated, the flow rate is unstable and fluctuates greatly. As a result, the experimental error is large and inaccurate.

[0003] In the prior art, for example, a steam generator for laboratory use disclosed in Chinese Patent Publication No. CN 211635232 U. The water tank is connected to the boiler through a water pump. An electric heating device is provided inside the boiler, and a steam output pipe is provided at the top of the boiler. The flow rate and quality of the steam can be precisely controlled according to experimental needs, ensuring the accuracy and stability of the experiment and meeting the requirements of the laboratory for the steam generator. However, in the prior art, it is difficult to precisely control the temperature of the water vapor. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a steam generating device to solve the problem that it is difficult to precisely control the temperature of water vapor in the prior art.

[0005] To this end, the utility model provides a steam generating device, including: a liquid storage tank and a generator. The liquid storage tank is connected to the generator through a pipeline, a liquid inlet pump is arranged on the pipeline, and a control console is arranged on the generator.

[0006] Preferably, the generator includes a housing, a heating module is arranged inside the housing, and a liquid inlet and a gas outlet are arranged on the heating module. The liquid inlet is used to convey water to the heating module, and the gas outlet is used to discharge water vapor.

[0007] Preferably, the heating module includes a superheater and a vaporizer, and the superheater is connected to the vaporizer. The superheater can preheat the water entering the vaporizer in advance, shorten the vaporization time, and at the same time can precisely control the temperature of the water vapor.

[0008] Preferably, the superheater includes an inner tube and an outer tube. The outer tube is sleeved outside the inner tube, and there is a gas cavity between the inner tube and the outer tube. The liquid inlet is connected to the inner tube, a liquid outlet is arranged at one end of the inner tube, the outer tube is connected with an air inlet, the gas outlet is arranged at one end of the outer tube, and the air inlet and the gas outlet are communicated with the gas cavity. Water enters from the liquid inlet, is preheated in the inner tube and then flows out from the liquid outlet. Water vapor enters from the air inlet, is heated in the gas cavity to maintain a constant temperature, and is discharged from the gas outlet.

[0009] Preferably, a heating rod is arranged inside the inner tube. The heating rod is used for preheating water and maintaining a constant temperature of water vapor.

[0010] Preferably, a diversion pipe is arranged on the vaporizer. The diversion pipe is communicated with the liquid outlet. A heating cavity is arranged inside the vaporizer. The diversion pipe is communicated with the heating cavity. The air inlet is communicated with the heating cavity. Diversion pipe

[0011] Preferably, a heater is arranged on the side wall of the heating cavity. The heater is used for heating water into water vapor.

[0012] Preferably, a temperature control unit is arranged on the heating module. The temperature control unit is used for detecting and feedback controlling the temperature of the heating module.

[0013] More preferably, there are three temperature control units, which respectively detect and feedback control the temperatures of the heating cavity, the air cavity and the heater.

[0014] Preferably, the liquid inlet pump is a constant flow pump. The constant flow pump can accurately control the liquid inlet volume and control the amount of water vaporized into water vapor.

[0015] Preferably, the control console includes a vaporizer temperature dashboard, a steam temperature dashboard and a heater temperature dashboard. The vaporizer temperature dashboard, the steam temperature dashboard and the heater temperature dashboard are respectively electrically connected to the three temperature control units, and are used for controlling the temperature of water vaporization in the heating cavity, the temperature of the discharged water vapor and the overheat protection of the heater.

[0016] Advantageous effects:

[0017] 1. The present utility model provides a steam generating device, which can accurately control the liquid inlet flow rate and the temperature of the discharged water vapor, and improve the generation efficiency of water vapor.

[0018] 2. In the prior art, it is not easy to control the temperature of the discharged water vapor. By setting a superheater and a vaporizer in the present utility model, the superheater can preheat the water entering the vaporizer in advance, shorten the vaporization time, and at the same time, the vaporized water vapor can be heated and temperature-controlled by the superheater, so as to accurately control the temperature of the water vapor.

[0019] 3. In the present utility model, the superheater includes an inner tube and an outer tube. The outer tube is sleeved outside the inner tube. There is an air cavity between the inner tube and the outer tube. The liquid inlet is connected to the inner tube. An outlet is arranged at one end of the inner tube. The outer tube is connected with an air inlet. An air outlet is arranged at one end of the outer tube. The air inlet and the air outlet are communicated with the air cavity. Water enters from the liquid inlet, is preheated in the inner tube and then flows out from the outlet. Water vapor enters from the air inlet, is heated in the air cavity to maintain a constant temperature, and is discharged from the air outlet.

[0020] 4. In the present utility model, the liquid inlet pump is a constant flow pump, which can precisely control the liquid inlet volume of water and further control the amount of water vaporized into water vapor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 It is a schematic structural diagram of an embodiment of a steam generating device provided by the present utility model.

[0023] Figure 2 It is a schematic internal structure diagram of a generator of an embodiment of a steam generating device provided by the present utility model.

[0024] Figure 3 It is a schematic structural diagram of a heating module of an embodiment of a steam generating device provided by the present utility model.

[0025] Figure 4 It is a schematic structural diagram of a superheater of an embodiment of a steam generating device provided by the present utility model

[0026] Figure 5 It is a schematic structural diagram of a vaporizer of an embodiment of a steam generating device provided by the present utility model

[0027] In the figure, 1 - liquid storage tank, 2 - liquid inlet pump, 3 - generator, 31 - outer shell, 32 - heating module, 321 - superheater, 3211 - inner tube, 3212 - outer tube, 3213 - gas cavity, 322 - vaporizer, 3221 - diversion tube, 3222 - heating cavity, 33 - liquid inlet, 34 - gas outlet, 35 - liquid outlet, 36 - air inlet, 37 - temperature control unit, 4 - control console, 41 - vaporizer temperature dashboard, 42 - steam temperature dashboard, 43 - heater temperature dashboard. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The content of the present utility model can be more easily understood by referring to the following detailed description of the preferred embodiments of the present utility model and the included examples. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. When there is a contradiction, the definition in this specification shall prevail.

[0029] Example 1:

[0030] The utility model provides a steam generating device, which can accurately control the liquid inlet flow rate and the temperature of the discharged water vapor, and improve the generation efficiency of water vapor.

[0031] There is provided a steam generating device as Figures 1-5 shown, including: a liquid storage tank 1 and a generator 3. The liquid storage tank 1 is connected to the generator 3 through a pipeline, and a liquid inlet pump 2 is arranged on the pipeline. A control console 4 is arranged on the generator 3.

[0032] The generator 3 includes a housing 31. A heating module 32 is arranged inside the housing 31. A liquid inlet 33 and a gas outlet 34 are arranged on the heating module 32. The heating module 32 includes a superheater 321 and a vaporizer 322, and the superheater 321 is connected to the vaporizer 322. The superheater 321 can preheat the water entering the vaporizer 322 in advance, shorten the vaporization time, and can accurately control the temperature of the water vapor at the same time. The superheater 321 includes an inner tube 3211 and an outer tube 3212. The outer tube 3212 is sleeved outside the inner tube 3211. There is a gas cavity 3213 between the inner tube 3211 and the outer tube 3212. The liquid inlet 33 is connected to the inner tube 3211. An outlet 35 is arranged at one end of the inner tube 3211. The outer tube 3212 is connected with an air inlet. The gas outlet 34 is arranged at one end of the outer tube 3212. The air inlet and the gas outlet 34 are communicated with the gas cavity 3213. A heating rod is arranged inside the inner tube 3211. A diversion tube 3221 is arranged on the vaporizer 322. The diversion tube 3221 is communicated with the outlet 35. A heating cavity 3222 is arranged inside the vaporizer 322. The diversion tube 3221 is communicated with the heating cavity 3222. An air inlet 36 is communicated with the heating cavity 3222. A heater is arranged on the side wall of the heating cavity 3222. Water enters the inner tube 3211 of the superheater 321 from the liquid inlet 33, is preheated and discharged from the outlet 35, and enters the heating cavity 3222 through the diversion tube 3221, is vaporized into water vapor in the heating cavity 3222, the water vapor enters the gas cavity 3213 from the air inlet 36, is heated at a constant temperature in the gas cavity 3213, maintains a preset temperature, and is discharged from the gas outlet 34.

[0033] A temperature control unit 37 is arranged on the heating module 32. There are three temperature control units 37, which respectively detect and feedback to control the temperatures of the heating cavity 3222, the gas cavity 3213 and the heater.

[0034] The liquid inlet pump 2 is a constant flow pump. The constant flow pump can accurately control the liquid inlet volume and control the amount of water vaporized into water vapor.

[0035] The control console 4 includes a vaporizer temperature dashboard 41, a steam temperature dashboard 42, and a heater temperature dashboard 43. The vaporizer temperature dashboard 41, the steam temperature dashboard 42, and the heater temperature dashboard 43 are electrically connected to three temperature control units 37 respectively, and are used to control the temperature of water vaporization in the heating chamber 3222, the temperature of steam discharge, and the overheat protection of the heater.

[0036] Working principle: The liquid inlet pump 2 transports water from the liquid storage tank 1 into the generator 3. Since the liquid inlet pump 2 is a constant flow pump, it can accurately and constantly control the flow rate of water entering the generator 3, thereby controlling the amount of water vapor.

[0037] Water enters the inner tube 3211 of the superheater 321 from the liquid inlet 33, is preheated and discharged from the liquid outlet 35, then enters the heating chamber 3222 through the diversion pipe 3221, vaporizes into water vapor in the heating chamber 3222, the water vapor enters the air chamber 3213 from the air inlet 36, is heated at a constant temperature in the air chamber 3213 to maintain a preset temperature, and is discharged from the air outlet 34.

Claims

1. A steam generating device, characterized in that: include: A liquid storage tank and a generator, wherein the liquid storage tank and the generator are connected via a pipeline, a liquid inlet pump is provided on the pipeline, and a control console is provided on the generator; The generator comprises a shell, a heating module is arranged inside the shell, and a liquid inlet and a gas outlet are arranged on the heating module; The heating module includes a superheater and a vaporizer, and the superheater and the vaporizer are connected; The heating module is provided with a temperature control unit.

2. A steam generating device according to claim 1, characterized in that: The superheater includes an inner tube and an outer tube, the outer tube is sleeved on the outside of the inner tube, an air cavity is provided between the inner tube and the outer tube, the liquid inlet is connected to the inner tube, one end of the inner tube is provided with a liquid outlet, the outer tube is connected to an air inlet, the air outlet is provided at one end of the outer tube, and the air inlet and the air outlet are connected to the air cavity.

3. A steam generating device according to claim 2, characterized in that: A heating rod is arranged inside the inner tube.

4. A steam generating device according to claim 3, characterized in that: The vaporizer is provided with a flow guide pipe, which is communicated with the liquid outlet; the vaporizer is provided with a heating chamber, which is communicated with the heating chamber; and the air inlet is communicated with the heating chamber.

5. A steam generating device according to claim 4, characterized in that: The side wall of the heating chamber is provided with a heater.

6. A steam generating device according to claim 1, characterized in that: The liquid inlet pump is a constant flow pump.

7. A steam generating device according to claim 1, characterized in that: The console includes a carburetor temperature gauge, a steam temperature gauge, and a heater temperature gauge.

Images