CN219102966U

CN219102966U - Energy recovery system of steam heating equipment

Info

Publication number: CN219102966U
Application number: CN202223250764.5U
Authority: CN
Inventors: 曾尚浩; 欧阳健安
Original assignee: Foshan Fourtreen Green Technology Co ltd
Current assignee: Foshan Fourtreen Green Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-30
Anticipated expiration: 2032-12-02

Abstract

The utility model belongs to the technical field of heat energy recovery, and particularly relates to an energy recovery system of steam heating equipment.

Description

Energy recovery system of steam heating equipment

Technical Field

Background

The steam heating equipment can continuously generate steam condensate water in the heating process, at present, a drain valve is generally utilized to connect a flash tank and a drain port of the steam heating equipment aiming at the heat recovery mode in the condensate water, so that the condensate water is subjected to flash evaporation in the flash tank according to the principle of pressure difference to generate steam, and the steam is conveyed to lower-level relatively low-pressure heat utilization equipment.

Disclosure of Invention

The utility model aims to overcome the defects that in the prior mode of recovering the heat of condensed water, the fluctuation amount of the condensed water is large, the steam fluctuation amount generated by flash evaporation is large, steam leakage is easy to occur when the fluctuation amount of a drain valve facing the condensed water is large, and the like, and provides an energy recovery system for stably outputting the condensed water by arranging a buffer device.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an energy recovery system of steam heating equipment, its characterized in that, includes buffer, first hydrophobic regulator and flash distillation device, buffer disposes the buffering cavity, the buffering cavity is equipped with first inlet end, first play vapour end and is located the first drainage end of bottom, first inlet end is connected with steam heating equipment's comdenstion water export A, first play vapour end is connected with steam heating equipment's steam entry B.

The flash evaporation device is provided with a flash evaporation chamber, the flash evaporation chamber is provided with a second water inlet end, a second steam outlet end and a second water discharge end positioned at the bottom, the second water inlet end is connected with the first water discharge end through a first water drain regulator, the first water drain regulator regulates the opening of a valve of the first water drain regulator according to the liquid level of the buffer chamber, the second steam outlet end is used for outputting steam generated in the flash evaporation chamber, and the second water discharge end is used for outputting condensed water in the flash evaporation chamber.

Compared with the prior art, the energy recovery system provided by the utility model is provided with the buffer device, condensed water output from the steam heating equipment flows into the buffer chamber of the buffer device for collection and storage, and because the buffer chamber is provided with the first steam outlet end for the condensed water to flow back to the steam heating equipment, meanwhile, the first water drain regulator can dynamically finely regulate the valve opening according to the liquid level of the buffer chamber, so that the pressure in the buffer chamber is relatively stable, the burden of the first water drain regulator in water drain is reduced, the water drain is relatively stable, the direct output of flow fluctuation condensed water from the steam heating equipment to the flash chamber is avoided, the pressure of steam generated in the flash chamber is stable, and the air drain probability of the first water drain regulator is reduced.

Further, a pressure regulating valve with an adjustable valve opening is connected between the first steam outlet end and the steam inlet B, and an operator can adaptively regulate the flow of steam flowing back to the steam heating equipment from the first steam outlet end through the pressure regulating valve, so that the pressure in the buffer chamber is ensured to be stable.

Further, the first drain regulator comprises a first valve body and a first liquid level meter arranged at the side part of the buffer chamber and used for measuring the liquid level height of the buffer chamber, and the valve opening of the first valve body is adaptively regulated according to the liquid level height fed back by the first liquid level meter, so that the pressure stability of the buffer chamber is dynamically ensured by regulating the valve opening.

Further, the flash evaporation device also comprises a second drain regulator connected with the second drain end, the second drain regulator regulates the opening of a valve according to the liquid level of the flash evaporation chamber, the second drain regulator comprises a second valve body and a second liquid level meter arranged at the side part of the flash evaporation chamber and used for measuring the liquid level of the flash evaporation chamber, and the second valve body adaptively regulates the opening of the valve according to the liquid level fed back by the second liquid level meter, so that the pressure stability of the flash evaporation chamber is ensured dynamically by regulating the opening of the valve.

Drawings

Fig. 1 is a schematic diagram of the structure of an energy recovery system.

Detailed Description

The following describes specific embodiments of the present utility model with reference to the drawings. In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Referring to fig. 1, the present embodiment provides an energy recovery system of a steam heating apparatus, which includes a buffer device 1, a first drain regulator, a flash evaporation device 3, a pressure regulating valve 4, a second drain regulator, and a heat energy collecting device 6.

The buffer device 1 is provided with a buffer chamber 10, a first water inlet end P1 is arranged at the side part of the buffer chamber 10, a first steam outlet end P2 is arranged at the top part of the buffer chamber 10, a first water outlet end P3 is arranged at the bottom part of the buffer chamber, the first water inlet end P1 is connected with a condensate water outlet A of the steam heating device 7, the first steam outlet end P2 is connected with a steam inlet B of the steam heating device 7 through a pressure regulating valve 4, and the valve opening of the pressure regulating valve 4 can be regulated, so that the flow rate of steam flowing back to the steam heating device 7 from the first steam outlet end P2 can be adaptively regulated, and the pressure stability in the buffer chamber 10 is ensured.

The flash evaporation device 3 is configured with a flash evaporation chamber 30, a second water inlet end Q1 is arranged at the side part of the flash evaporation chamber 30, a second steam outlet end Q2 is arranged at the top, a second water outlet end Q3 is arranged at the bottom, the second water inlet end Q1 is connected with the first water outlet end P3 through a first water drain regulator, the first water drain regulator comprises a first valve body 21 and a first liquid level meter 22 arranged at the side part of the buffer chamber 10 and used for measuring the liquid level height of the buffer chamber, the valve opening of the first valve body 21 is adaptively adjusted according to the liquid level height fed back by the first liquid level meter 22, for example, when the liquid level height exceeds a preset value, the valve opening is increased, and conversely, when the liquid level height is smaller than the preset value, the valve opening is reduced, so that the pressure in the buffer chamber 10 is relatively stable.

The second steam outlet end Q2 is configured to output steam generated in the flash chamber 30, and specifically is configured to be connected to a thermal energy collecting device 6, where the thermal energy collecting device 6 is a heat-using device or a heat storage device, and the heat-using device is relatively lower in pressure than the steam heating device 7.

The second drain end Q3 is connected to the second drain regulator, and is configured to drain condensate in the flash chamber 30, where the second drain regulator 5 includes a second valve body 51, and a second liquid level meter 52 disposed at a side portion of the flash chamber 30 and configured to measure a liquid level of the flash chamber, where the second valve body 51 adaptively adjusts a valve opening according to the liquid level fed back by the second liquid level meter 52, for example, when the liquid level exceeds a preset value, the valve opening is increased, and conversely, when the liquid level is less than the preset value, the valve opening is decreased, so that the liquid level in the flash chamber 30 can be dynamically adjusted, the liquid level and the pressure in the flash chamber 30 are ensured to be stable, and the probability of air leakage is reduced.

The principle of the present utility model is that the condensed water of the steam heating device 7 flows into the buffer chamber 10 from the condensed water outlet a, at this time, part of the condensed water will take out the steam and flow into the buffer chamber 10 together, the part of the steam flows back to the steam inlet B of the steam heating device 7 through the first steam outlet end P2, thereby ensuring the pressure stability in the buffer chamber 10, the condensed water in the buffer chamber 10 flows into the flash chamber 30 relatively constantly through the first valve body 21 of the first drain regulator, and because the flash chamber 30 is lower in pressure than the buffer chamber 10, part of the condensed water flashes in the flash chamber 30 to generate steam, and is output to the lower pressure heat utilization device 6 through the second steam outlet end Q2, and the rest of the condensed water is discharged through the second valve body 51 of the second drain regulator through the second drain end Q3.

Compared with the prior art, the energy recovery system provided by the utility model is provided with the buffer device 1, condensed water output from the steam heating device 7 flows into the buffer chamber 10 of the buffer device 1 for collection and storage, and the buffer chamber 10 is provided with the first steam outlet end P2 for the steam carried by the condensed water to flow back to the steam heating device 7, meanwhile, the first drain regulator can dynamically finely regulate the valve opening according to the liquid level of the buffer chamber 20, so that the pressure in the buffer chamber 10 is relatively stable, the burden of the first drain regulator in draining is reduced, the relative stability of the drain is ensured, the condensed water with flow fluctuation is prevented from being directly output from the steam heating device 7 to the flash chamber 30, the steam pressure generated in the flash chamber 30 is stable, and the air leakage probability of the first drain regulator is reduced.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims

1. An energy recovery system for a steam heating apparatus, comprising:

the buffer device (1) is provided with a buffer chamber (10), the buffer chamber (10) is provided with a first water inlet end (P1), a first steam outlet end (P2) and a first water outlet end (P3) positioned at the bottom, the first water inlet end (P1) is connected with a condensate water outlet (A) of the steam heating equipment, and the first steam outlet end (P2) is connected with a steam inlet (B) of the steam heating equipment;

a first hydrophobic regulator;

the flash evaporation device (3) is provided with a flash evaporation chamber (30), the flash evaporation chamber (30) is provided with a second water inlet end (Q1), a second steam outlet end (Q2) and a second water outlet end (Q3) positioned at the bottom, the second water inlet end (Q1) is connected with the first water outlet end (P3) through a first water drainage regulator, the first water drainage regulator regulates the opening of a valve of the buffer chamber (10) according to the liquid level of the buffer chamber, the second steam outlet end (Q2) is used for outputting steam generated in the flash evaporation chamber (30), and the second water outlet end (Q3) is used for outputting condensed water in the flash evaporation chamber (30).

2. The energy recovery system according to claim 1, characterized in that a pressure regulating valve (4) with an adjustable valve opening is connected between the first steam outlet end (P2) and the steam inlet (B).

3. The energy recovery system according to claim 1, characterized in that the first water trap comprises a first valve body (21) and a first level gauge (22) provided at the side of the buffer chamber (10) for measuring its liquid level, the first valve body (21) adaptively adjusting its valve opening according to the liquid level fed back by the first level gauge (22).

4. The energy recovery system according to claim 1, wherein the first water inlet end (P1) is provided at a side of the buffer chamber (10), and the first steam outlet end (P2) is provided at a top of the buffer chamber (10).

5. The energy recovery system according to claim 1, wherein the second water inlet end (Q1) is provided at a side of the flash chamber (30) and the second steam outlet end is provided at a top of the flash chamber (30).

6. The energy recovery system according to any one of claims 1 to 5, further comprising a second water-repellent regulator connected to the second discharge end (Q3), said second water-repellent regulator regulating the opening of its valve according to the liquid level of the flash chamber (30).

7. The energy recovery system according to claim 6, characterized in that the second water trap comprises a second valve body (51) and a second level gauge (52) provided at the side of the flash chamber (30) for measuring its liquid level, the second valve body (51) adaptively adjusting its valve opening according to the liquid level fed back by the second level gauge (52).

8. The energy recovery system according to any one of claims 1 to 5, further comprising a thermal energy collecting device (6), the thermal energy collecting device (6) being a heat-consuming device or a heat storage device.