CN217899827U - Steam generator - Google Patents

Abstract

The utility model discloses a steam generator, including vapour-liquid separation jar, liquid storage pot and a plurality of electromagnetic heating jar, each parallelly connected between the electromagnetic heating jar vapour-liquid separation jar with between the liquid storage pot, each the export of electromagnetic heating jar with vapour-liquid separation jar intercommunication, water inlet and the liquid storage pot intercommunication, the electromagnetic heating jar includes that the heating jar body overlaps establishes heating jar external electromagnetic heating coil. Adopt electromagnetic heating, avoid heating portion direct contact liquid, heating efficiency is high, and the internal portion of heating jar is better to be maintained moreover. In addition, a plurality of electromagnetic heating tanks are arranged, the problem that the cross section of the heating tank body is too large in size is avoided, the heat exchange efficiency between the heating tank body and the liquid inside the heating tank body is greatly improved, the integral heating power is well improved, and the steam generation effect is guaranteed. In conclusion, this steam generator can solve the not good problem of steam generator well water heating effect effectively.

Description

Steam generator

Technical Field

The utility model relates to a steam boiler technical field, more specifically say, relate to a steam generator.

Background

The steam generator on the market at present adopts traditional electrothermal tube heating more, and the jar body is holistic single tank structure simultaneously, through the long-term practice discovery of the inventor, this kind of steam generator has following shortcoming: the electric heating tube is adopted for heating, so that scale is easily formed on the surface of the electric heating tube, the service life is short, and meanwhile, the electric heating tube is directly contacted with water, so that safety risk exists; the tank body is of an integral single-tank structure, and has small heating area, low heating efficiency and low heating speed.

In summary, how to effectively solve the problem of poor heating effect of the water body in the steam generator is a problem which needs to be solved urgently by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a steam generator, which can effectively solve the problem of poor heating effect of water in the steam generator.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a steam generator, includes vapour-liquid separation jar, liquid storage pot and a plurality of electromagnetic heating jar, each parallelly connected between the electromagnetic heating jar vapour-liquid separation jar with between the liquid storage pot, each the export of electromagnetic heating jar with vapour-liquid separation jar intercommunication, water inlet with the liquid storage pot intercommunication, the electromagnetic heating jar includes that the heating jar body overlaps establishes the external electromagnetic heating coil of heating jar.

In this steam generator, when using, make the electromagnetic heating coil of each electromagnetic heating jar let in high frequency current simultaneously, based on the electromagnetic induction principle for each heating jar body all generates heat, in order to realize liquid transformation steam to inside liquid heating, adopt electromagnetic heating, avoid heating portion direct contact liquid, heating efficiency is high, and the internal portion of heating jar is better to be maintained moreover. In addition, a plurality of electromagnetic heating tanks are arranged, the problem that the cross section of the heating tank body is too large in size is avoided, the heat exchange efficiency between the heating tank body and the liquid inside the heating tank body is greatly improved, the integral heating power is well improved, and the steam generation effect is guaranteed. To sum up, this steam generator can solve the not good problem of steam generator well water heating effect effectively.

Preferably, the liquid level buffer tank is used for automatically replenishing liquid to the liquid storage tank by utilizing gravity.

Preferably, the upper port of the liquid level buffer tank is communicated to the vapor-liquid separation tank through a first channel, and the lower port of the liquid level buffer tank is communicated to the liquid storage tank through a second channel.

Preferably, the liquid level buffer tank is arranged higher than the electromagnetic heating coil; the heating tank body is a vertically arranged pipe body, and a heat insulation layer is arranged between the heating tank body and the electromagnetic heating coil.

Preferably, the liquid level monitoring device further comprises a liquid level meter, wherein the liquid level meter is used for monitoring the liquid level in the liquid level buffer tank.

Preferably, the liquid level meter comprises a liquid level tank body and a liquid level transmitter for monitoring the liquid level height in the liquid level tank body, the liquid level tank body and the liquid level buffer tank are arranged in parallel at the same height, the upper part of the liquid level tank body is communicated with the upper part of the liquid level buffer tank through a channel, and the lower part of the liquid level tank body is communicated with the lower part of the liquid level buffer tank through a channel.

Preferably, a high liquid level protection device for monitoring the allowable highest liquid level and a low liquid level protection device for monitoring the allowable lowest liquid level are further arranged in the liquid level meter.

Preferably, the system also comprises a manual external water valve for external water supply, a water tank for receiving water supplied by the manual external water valve, and a water injection pump for pumping water in the water tank into the liquid storage tank; a water level floating ball is arranged in the water tank, and a water injection check valve and/or a water injection regulating valve are/is arranged between the liquid storage tank and the water injection pump.

Preferably, the liquid storage tank is provided with a drain outlet, the drain outlet is communicated with a manual drain valve and an automatic drain valve which are arranged in parallel, and a branch road where the automatic drain valve is arranged is connected with a drain regulating valve in series.

Preferably, the vapor-liquid separation tank is provided with one, more or even all of the following structures: pressure transmitter, relief valve and steam outlet stop valve.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a steam generator according to an embodiment of the present invention.

The drawings are numbered as follows:

1-a generator body; 11-a vapor-liquid separation tank; 12-heating the tank body; 13-a liquid storage tank; 14-an electromagnetic heating coil; 15-insulating layer; 2-a liquid level buffer tank; 21-a first channel; 22-a second channel; 3-a liquid level meter; 31-a level transmitter; 32-high level protection; 33-low level protection; 34-a liquid level tank body; 4-water injection pump; 5-a water tank; 6-water level floating ball; 7-a pressure transmitter; 8-safety valve; 9-a steam outlet stop valve; 101-manual external water valve; 102-water injection regulating valve; 103-water injection one-way valve; 104-automatic blowdown valve; 105-a manual on-off valve; 106-manual blowoff valve.

Detailed Description

The embodiment of the utility model discloses steam generator to solve the not good problem of steam generator well water heating effect effectively.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a steam generator according to an embodiment of the present invention.

In an embodiment, the invention provides a steam generator, in particular an electromagnetic heating steam generator, and also particularly a novel multi-tube through-flow electromagnetic heating steam generator. The steam generator discharges steam by introducing liquid and heating to form steam, and the discharged steam can be a steam-liquid mixture, and generally the discharged steam is steam.

Wherein the generator body 1 of the steam generator may include a vapor-liquid separation tank 11, a liquid storage tank 13, and a plurality of electromagnetic heating tanks.

Wherein the electromagnetic heating jar includes heating jar body 12 and the electromagnetic heating coil 14 of cover establishing outside heating jar body 12, wherein heating jar body 12 can have the vortex that has the thermal effect based on the induction principle induction, and during the use, high frequency current lets in electromagnetic heating coil 14, utilizes the induction principle, induces the vortex in heating jar body 12, utilizes the thermal effect of vortex to heat heating jar body 12, and heating jar body 12 heats the liquid of inside again after the heating, thereby produces steam. The specific structure of the heating tank body 12 is not specifically required, and can be set as required, such as a straight pipe, a bent pipe, a tank structure and the like, but the gas-liquid separation can be effectively carried out, such as the bent pipe, a gas generation part can be continuously raised, so that the gas is conveniently discharged, and the gas is prevented from being accumulated in the heating tank body.

Wherein the outlet of each electromagnetic heating tank is communicated with the vapor-liquid separation tank 11, and the water inlet is communicated with the liquid storage tank 13, so that liquid is led in from the liquid storage tank 13 and then the led-in liquid is heated. In this case, the liquid may be directly transferred into the heating tank 12 as steam, and then the steam is discharged from the outlet to enter the vapor-liquid separation tank 11; at this time, the heating tank body 12 can directly discharge high-temperature liquid, and a small amount of heat is transferred to the vapor-liquid separation tank 11 to further evaporate the liquid into vapor in the vapor-liquid separation tank 11; other forms are of course possible, and in some embodiments of the present application, the former approach is generally taken.

The electromagnetic heating tanks are connected in parallel between the vapor-liquid separation tank 11 and the liquid storage tank 13, so that the electromagnetic heating tanks work independently between the vapor-liquid separation tank 11 and the liquid storage tank 13. The parallel connection mode is adopted, and the purpose is to avoid the problem that the diameter of the cross section of the single heating tank body 12 is too large, and when the diameter of the single heating tank body 12 is smaller, the closer the distance to a heat source is, the better the heating effect is. The effect is increased to a greater extent than the cross-sectional area of the single heating tank body 12 is reduced, and the heating power is higher when a plurality of electromagnetic heating tanks are adopted under the same power consumption of the whole steam generator than when only a single electromagnetic heating tank is adopted.

In this steam generator, when using, make the electromagnetic heating coil 14 of each electromagnetic heating jar let in high frequency current simultaneously, based on the electromagnetic induction principle for each heating jar body 12 all generates heat, in order to realize liquid transformation steam to inside liquid heating, adopts electromagnetic heating, avoids heating portion direct contact liquid, and heating efficiency is high, heats jar internal portion of jar body 12 and relatively maintains moreover. In addition, a plurality of electromagnetic heating tanks are arranged, the phenomenon that the cross section of the tank body 12 of the heating tank is too large is avoided, the heat exchange efficiency between the tank body and the internal liquid is greatly improved, the integral heating power is well improved, and the steam generation effect is guaranteed. In conclusion, this steam generator can solve the not good problem of steam generator well water heating effect effectively.

In some embodiments, considering that when a plurality of electromagnetic heating tanks are provided, the diameter of each heating tank body 12 is not too large, which easily causes the fluctuation of the liquid level of each heating tank body 12 to be large, and in order to better avoid the fluctuation of the liquid level, it is preferable that a liquid level buffer tank 2 is further included here, so as to timely supplement the liquid into the electromagnetic heating tanks, so as to slow down the change of the liquid level in the heating tank bodies. The liquid may be directly supplied to the electromagnetic heating tank, or may be supplied to the liquid storage tank 13 so as to indirectly supply the liquid to the electromagnetic heating tank.

In some embodiments, the liquid level buffer tank 2 can automatically replenish liquid to the liquid storage tank 13 by using gravity, and under the action of gravity and in combination with hydraulic characteristics, when the liquid level buffer tank 2 is communicated with the liquid storage tank 13 through a channel, hydraulic pressure at a certain point in the channel is equal, and when the liquid level in the heating tank body 12 descends, hydraulic pressure at the corresponding liquid storage tank 13 is changed to a point and then descends, at the moment, the liquid level buffer tank 2 only supplements liquid to the liquid storage tank 13, so that the liquid level in the heating tank body 12 rises until reaching a new balance, and then the liquid is replenished into the heating tank body 12. It should be noted that, for better balance, the cross-sectional area of the inner cavity of the liquid level buffer tank 2 in the vertical direction may be larger than, even significantly larger than, the cross-sectional area of the inner cavity of the single heating tank body 12.

In some embodiments, specifically, the upper port of the liquid level buffer tank 2 may be communicated to the vapor-liquid separation tank 11 through the first channel 21, and the lower port may be communicated to the liquid storage tank 13 through the second channel 22, so that the air pressure at the upper portion of the heating tank body 12 is consistent with the above air pressure of the liquid level buffer tank 2, and according to the principle of hydraulics, the liquid level in the liquid level buffer tank 2 at this time may be consistent with the liquid level in the heating tank body 12, so as to better control the liquid level in the heating tank body 12 by controlling the liquid level in the liquid level buffer tank 2. Wherein liquid level buffer tank 2 can be a tank, a column jar, and for convenient setting, preferably adopt a column jar, and the cross section diameter of vertical direction is showing to be greater than the heating tank jar 12 diameters. It should be noted that, in general, no heating device is provided in the liquid level buffer tank 2, that is, no heating function is required, so as to be mainly used for replenishing liquid into the heating tank body 12.

In some embodiments, it is preferable that the lower end of the liquid level buffer tank 2 is arranged higher than the electromagnetic heating coil 14, so that the liquid level regulated by the liquid level buffer tank 2 is higher than the height of the electromagnetic heating coil 14, that is, the liquid level in the heating tank body 12 is higher than the height of the upper end of the electromagnetic heating coil 14, so as to better ensure that the electromagnetic heating coil 14 heats the liquid part.

In some embodiments, the upper end of the liquid level buffer tank 2 may be disposed lower than the vapor-liquid separation tank 11, so as to better realize that the liquid in the heating tank 12 is prevented from overflowing into the vapor-liquid separation tank 11. When the liquid level buffer tank is used, the liquid level in the liquid level buffer tank 2 only needs to be ensured to fluctuate between the upper end and the lower end in the liquid level buffer tank 2.

In some embodiments, the heating tank body 12 may be a vertically arranged pipe, and may be a square pipe, and more preferably, a round pipe is used. Correspondingly, the vapor-liquid separation tank 11 and the liquid storage tank 13 may be square pipes, and more preferably, cylindrical pipes, and have diameters larger than the diameter of the heating tank body 12. Wherein the vapor-liquid separation tank 11 and the liquid storage tank 13 can be horizontally arranged, and can be vertically arranged with the heating tank body 12.

In some embodiments, in order to better ensure the heating efficiency, it is preferable here that an insulating layer 15 is provided between the heating tank body 12 and the electromagnetic heating coil 14. That is, the outer periphery of the heating tank body 12 is covered with the heat insulating layer 15, the electromagnetic heating coil 14 is wound around the heat insulating layer 15, and the heat insulating layer 15 is used for heat insulation of the heating tank body 12 and heat insulation of the external coil. It should be noted that the electromagnetic heating coil 14 may be wound in different lengths with different wire diameters according to heating requirements.

In some embodiments, in order to better avoid the liquid level in the electromagnetic heating tank being too low and/or too high, a liquid level meter 3 for monitoring the liquid level in the electromagnetic heating tank may be further included. Wherein the liquid level meter 3 can directly detect the liquid level in the electromagnetic heating tank. In combination with the above solution, when the liquid level in the electromagnetic heating tank corresponds to the liquid level in the liquid level buffer tank 2, if the liquid level in the electromagnetic heating tank is at the same height or keeps at the same height difference, the liquid level meter 3 may monitor the liquid level in the liquid level buffer tank 2 to indirectly reflect the liquid level in the electromagnetic heating tank. The liquid level meter 3 can be a liquid level detection structure formed by one or more liquid level switches.

In some embodiments, in particular, the liquid level meter 3 may include a liquid level tank 34 and a liquid level transmitter 31 for monitoring the liquid level in the liquid level tank 34, the liquid level tank 34 and the liquid level buffer tank 2 are arranged in parallel and at the same height, the upper part of the liquid level tank 34 is communicated with the upper part of the liquid level buffer tank 2 through a channel, and the lower part of the liquid level tank 34 is communicated with the liquid level in the liquid level buffer tank 2 through a channel, so that the liquid level in the liquid level tank 34 is kept equal to the liquid level in the liquid level buffer tank 2.

In some embodiments, considering that the liquid level transmitter 31 is a high-precision and continuous liquid level detection mechanism, and in practical applications, the reliability is not very high, and once the reliability is in problem, the liquid level in the electromagnetic heating tank cannot be monitored, and then the problems of dry burning and water overflow occur, it is preferable that a high liquid level protection device 32 for monitoring the allowable highest liquid level and a low liquid level protection device 33 for monitoring the allowable lowest liquid level are further disposed in the liquid level meter 3. The level transmitter 31 is used for detecting the real-time level of the liquid level tank 34 and controlling the level to control a liquid supply device, such as a water injection pump 4 hereinafter, for supplying liquid to the liquid storage tank 13. The high liquid level protection device 32 is used for the protection of the water full with excessive continuous water injection; the low level protection device 33 is used for low level protection to prevent dry burning of the electromagnetic heating tank in the absence of water. Wherein the high level protection device 32 and the low level protection device 33 may both be linked with the liquid supply device to: when the low liquid level protection device 33 responds, the liquid supply device is controlled to be opened; and when the high liquid level protection device 32 responds, the liquid supply device is controlled to be closed, and at the moment, the electromagnetic heating tanks can be even controlled to stop heating.

In some embodiments, regarding the liquid supply device, further, a manual external water valve 101 for supplying water externally, a water tank 5 for receiving water supplied by the manual external water valve 101, and a water injection pump 4 for pumping water in the water tank 5 into the liquid storage tank 13 may be further included. A water level float 6, specifically a water level float switch, may be disposed in the water tank 5 to dock the manual external water valve 101. When the water tank 5 runs for a long time, the manual external water valve 101 can be kept in an open state, when the water level of the water tank is too high, the water level float switch is closed, and when the water level is too low, the water level float switch is opened, and water is introduced from an external water supply position.

Wherein a water injection one-way valve 103 and/or a water injection regulating valve 102 are arranged between the liquid storage tank 13 and the water injection pump 4. The water injection regulating valve 102 is used to regulate the caliber of the pipeline to regulate the amount of water injected per unit time. And the water injection check valve 103 is used for preventing the liquid in the liquid storage tank 13 from reversely flowing out.

In some embodiments, the liquid storage tank 13 may further be provided with a sewage outlet, which is communicated with a manual sewage valve 106 and an automatic sewage valve 104 that are arranged in parallel, wherein the automatic sewage valve 104 is a periodic switch valve, and can be periodically opened according to the water injection amount of the water injection pump 4 to work for a predetermined time, or periodically opened based on the start time of the electromagnetic heating tank to work for a predetermined time. Of course, manual sewage disposal is also started through the manual sewage disposal valves arranged in parallel. The periodic frequency can be set according to the requirement, and the predetermined time length can also be set according to the requirement.

In some embodiments, a manual switch valve may be connected in series on a branch of the automatic blowdown valve 104, so that when the manual switch valve is closed, blowdown cannot be performed through the automatic blowdown valve 104, and blowdown can only be performed through the manual blowdown valve.

In some embodiments, a blowdown regulating valve 105 may also be connected in series to the branch of the automatic blowdown valve 104. The waste discharge regulating valve 105 is used for regulating the caliber of the pipeline.

In some embodiments, a drain hole may also be provided in the bottom of the fluid level tank 34 to communicate with the drain outlet so that a drain may be simultaneously drained through the manual drain valve 106 and/or the automatic drain valve 104.

In some embodiments, one, more or even all of the following structures may be provided on the vapor-liquid separation tank 11: a pressure transmitter 7, a safety valve 8 and a steam outlet stop valve 9. Wherein the pressure transmitter 7 is used for detecting and controlling the vapor pressure in the vapor-liquid separation tank 11. Wherein the safety valve 8 is adapted to release when the steam inside the vapor-liquid separation tank 11 is over-pressurized. Wherein the steam outlet stop valve 9 can be used for opening and closing the steam outlet of the steam-liquid separation tank 11 and regulating the steam outlet quantity.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a steam generator, its characterized in that, includes vapour-liquid knockout drum, liquid storage pot and a plurality of electromagnetic heating jar, each connect in parallel between the electromagnetic heating jar vapour-liquid knockout drum with between the liquid storage pot, each the export of electromagnetic heating jar with vapour-liquid knockout drum intercommunication, water inlet with the liquid storage pot intercommunication, the electromagnetic heating jar includes that the heating jar body overlaps establishes the external electromagnetic heating coil of heating jar.

2. The steam generator of claim 1, further comprising a fluid level buffer tank that automatically replenishes the fluid reservoir by gravity.

3. The steam generator of claim 2, wherein the liquid level buffer tank has an upper port connected to the vapor-liquid separation tank through a first passage and a lower port connected to the liquid storage tank through a second passage.

4. The steam generator of claim 3, wherein the level buffer tank is disposed higher than the electromagnetic heating coil; the heating tank body is a vertically arranged pipe body, and a heat insulation layer is arranged between the heating tank body and the electromagnetic heating coil.

5. The steam generator of claim 3, further comprising a liquid level meter for monitoring a liquid level in the liquid level buffer tank.

6. The steam generator of claim 5, wherein the liquid level gauge comprises a liquid level tank and a liquid level transmitter for monitoring the liquid level height in the liquid level tank, the liquid level tank and the liquid level buffer tank are arranged in parallel and have the same height, and the liquid level tank and the liquid level buffer tank are communicated with each other through a channel at the upper part and a channel at the lower part.

7. The steam generator of claim 6, further comprising a high level protection device for monitoring a maximum allowable level and a low level protection device for monitoring a minimum allowable level disposed within the gauge.

8. The steam generator of any one of claims 1 to 7, further comprising a manual external water valve for externally connecting water, a water tank for receiving the water from the manual external water valve, and a water injection pump for pumping the water from the water tank into the liquid storage tank; a water level floating ball is arranged in the water tank, and a water injection check valve and/or a water injection regulating valve are/is arranged between the liquid storage tank and the water injection pump.

9. The steam generator as claimed in claim 8, wherein the liquid storage tank is provided with a drain outlet, the drain outlet is communicated with a manual drain valve and an automatic drain valve which are arranged in parallel, and a drain regulating valve is connected in series on a branch path where the automatic drain valve is arranged.

10. The steam generator of claim 9, wherein the vapor-liquid separation tank is provided with one, more or even all of the following structures: pressure transmitter, relief valve and steam outlet stop valve.

Images