CN215061964U

CN215061964U - Energy-saving emission-reducing device for steam generator

Info

Publication number: CN215061964U
Application number: CN202121499525.6U
Authority: CN
Inventors: 沈斌斌
Original assignee: Kld Thermal Equipment Zhejiang Corp
Current assignee: Kld Thermal Equipment Zhejiang Corp
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-07
Anticipated expiration: 2031-06-29

Abstract

The utility model belongs to the technical field of thermal energy equipment, concretely relates to energy saving and emission reduction device for steam generator. The steam-water separation device comprises a cylinder body, a pressure regulating part arranged on the outer surface of the cylinder body, a pressure reduction flash evaporation component arranged in the cylinder body and a steam-water separation component arranged in the cylinder body and positioned above the pressure reduction flash evaporation component; the pressure regulating part is communicated with the cylinder and is used for regulating the outlet pressure of the device and the amount of steam flashed out; the decompression flash evaporation component is used for decompressing high-temperature hydrophobic and flashing steam quantity; the steam-water separation assembly is used for separating saturated steam; and the part of the cylinder cavity below the reduced-pressure flash evaporation assembly is used as a water storage cavity and a water replenishing cavity. The utility model has the characteristics of simple structure, convenient and practical, and can avoid steam generator high temperature hydrophobic direct return to the deoxidization water tank, cause the wasting of resources.

Description

Energy-saving emission-reducing device for steam generator

Technical Field

The utility model belongs to the technical field of thermal energy equipment, concretely relates to energy saving and emission reduction device for steam generator.

Background

Hydrophobic direct entering deoxidization water tank of a large amount of high temperatures in steam generator system at present stage to supply water to the deoxidization water tank and heat, nevertheless because there is a large amount of condensation backwaters in the user thermodynamic system, make whole thermodynamic system unbalanced, arouse the boiling of deoxidization water tank, cause the waste of heat, energy utilization and rate reduce, and cause later stage transformation with high costs.

Therefore, the energy-saving and emission-reducing device for the steam generator is very necessary to design, which has a simple structure, is convenient and practical, and can prevent high-temperature drainage of the steam generator from directly returning to the deoxygenation water tank to cause resource waste.

For example, the distilled water recycling system of the steam generator described in the chinese utility model with application number CN201620771445.4 includes an economizer, an evaporator, a steam-water separator, a deaerating water tank, a plate heat exchanger, a mixed water replenishing tank, a water replenishing pump, a water softener, and a steam trap; the bottom of the evaporator is communicated with a steam-water separator, a steam discharge port is arranged above the steam-water separator, a distilled water discharge port is arranged below the steam-water separator, the distilled water discharge port is arranged below the steam-water separator and communicated with a plate heat exchanger through a steam trap by a pipeline, the plate heat exchanger is communicated with a mixed water supplementing tank, the mixed water supplementing tank is communicated with a water softener by a pipeline through a water supplementing pump, and the water softener is communicated with an energy saver by a pipeline. Although not only through effectively utilizing catch water residual heat, but also through softening treatment, accomplish all-round utilization residual heat, solve the scale deposit problem that probably causes because of the hard water retrieval and utilization, can utilize the residual heat, can also ensure safety in production, its shortcoming lies in that entire system structure is comparatively complicated, is unfavorable for the later stage to reform transform, and reforms transform the cost higher.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome prior art, because current steam generator's high temperature is hydrophobic directly to return the deoxidization water tank, the existence causes whole thermodynamic system unbalanced, leads to the waste of heat, and water waste, energy utilization reduces and reforms transform the too high problem of cost, provides a simple structure, convenient and practical, and can avoid steam generator high temperature to be hydrophobic directly to get back to the deoxidization water tank, causes the energy saving and emission reduction device for steam generator of wasting of resources.

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

the energy-saving emission-reducing device for the steam generator comprises a cylinder, a pressure regulating part arranged on the outer surface of the cylinder, a pressure reducing flash evaporation assembly arranged in the cylinder and a steam-water separation assembly arranged in the cylinder and positioned above the pressure reducing flash evaporation assembly; the pressure regulating part is communicated with the cylinder and is used for regulating the outlet pressure of the device and the amount of steam flashed out; the decompression flash evaporation component is used for decompressing high-temperature hydrophobic and flashing steam quantity; the steam-water separation assembly is used for separating saturated steam; and the part of the cylinder cavity below the reduced-pressure flash evaporation assembly is used as a water storage cavity and a water replenishing cavity.

Preferably, the decompression flash component comprises an inlet pipe and a decompression ring arranged on the inlet pipe; the water inlet of the inlet pipe extends to the outside of the cylinder.

Preferably, the steam-water separation assembly comprises a plurality of groups of perforated plates.

Preferably, the perforated plates are arranged in the cylinder at equal intervals in the vertical direction.

Preferably, a water outlet and a water replenishing port are arranged at the water storage cavity and the water replenishing cavity; the water outlet and the water replenishing port extend to the outside of the cylinder.

Preferably, the top of the cylinder body is provided with a steam outlet; the bottom of the cylinder body is provided with a water outlet.

Preferably, the bottom of the cylinder body is fixedly connected with a plurality of supporting legs for supporting.

Preferably, the pressure regulating member is located at the top of the outer surface of the cylinder.

Compared with the prior art, the utility model, beneficial effect is: (1) the utility model can avoid the system thermal unbalance caused by the steam generator high temperature drainage directly returning to the deoxidizing water tank, and the deoxidizing water tank boiling, which causes heat waste and water resource waste; (2) the utility model discloses simple structure, convenient and practical, and the cost is with low costs.

Drawings

Fig. 1 is a schematic structural diagram of an energy saving and emission reduction device for a steam generator according to the present invention;

fig. 2 is a schematic half-section view of the energy saving and emission reduction device for a steam generator of the present invention.

In the figure: the device comprises a cylinder body 1, supporting legs 2, a pressure regulating part 3, a pressure reducing flash evaporation component 4, a steam-water separation component 5 and a water storage and replenishing cavity 6.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention, the following description will explain embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

Example 1:

as shown in fig. 1 and 2, the energy saving and emission reduction device for a steam generator comprises a cylinder 1, a pressure regulating part 3 arranged on the outer surface of the cylinder, a pressure reducing flash evaporation assembly 4 arranged in the cylinder, and a steam-water separation assembly 5 arranged in the cylinder and above the pressure reducing flash evaporation assembly; the pressure regulating part is communicated with the cylinder and is used for regulating the outlet pressure of the device and the amount of steam flashed out; the decompression flash evaporation component is used for decompressing high-temperature hydrophobic and flashing steam quantity; the steam-water separation assembly is used for separating saturated steam; the barrel cavity part below the decompression flash evaporation component is used as a water storage and replenishing cavity 6.

After the pressure regulating component and the pressure reducing flash evaporation component are combined, the outlet steam pressure of the whole device can be regulated, and the steam quantity is controlled according to the flash evaporation pressure. The water storage and water supplement cavity can adjust the water storage temperature by supplementing the low-temperature water of the steam generator, so that the water storage temperature is lower than the saturation temperature, and the requirement of the water pump is favorably reduced.

Further, the decompression flash evaporation assembly comprises an inlet pipe and a decompression ring arranged on the inlet pipe; the water inlet of the inlet pipe extends to the outside of the cylinder. The decompression flash evaporation assembly is integrally installed inside the whole barrel, and the water inlet is used for injecting high-temperature drainage water.

Further, as shown in fig. 2, the steam-water separation assembly includes 5 sets of perforated plates.

The 5 sets of perforated plates in fig. 2 are arranged in the cylinder at equal intervals in the vertical direction. The porous plate separates out the saturated steam with higher dryness, and the saturated steam is used for heating the water supplemented by the deoxygenation water tank.

Further, a water outlet and a water replenishing port are arranged at the water storage cavity and the water replenishing cavity; the water outlet and the water replenishing port extend to the outside of the cylinder. The water outlet is used for discharging the drainage temperature lower than the saturation temperature, and the water replenishing port is used for introducing a path of low-temperature water to be mixed with the saturated water in the water storage cavity of the barrel body.

Further, a steam outlet is formed in the top of the cylinder body; the bottom of the cylinder body is provided with a water outlet. The steam outlet is used for discharging the separated dry steam, and the water outlet is used for discharging water when the equipment is stopped.

Further, the bottom of the cylinder body is fixedly connected with 4 supporting legs 2 for supporting. The landing leg is used for wholly playing the supporting role to the barrel, is convenient for place.

Further, the pressure regulating part is positioned at the top of the outer surface of the cylinder body. In fig. 1, the pressure regulating member includes a connection pipe communicating with the cylinder and a pressure regulating valve.

The utility model discloses a working method and principle as follows:

high-temperature hydrophobic water enters from the water inlet A, and is decompressed and flashed in the decompression flash evaporation assembly. The steam after flash evaporation is separated by the steam-water separation component, the separated dry steam is discharged through a steam outlet B and is used for heating the water supplemented by the deoxygenation water tank, and the separated saturated water is mixed with the saturated water separated by flash evaporation and enters a water storage and water supplement cavity formed by the cavity at the lower part of the cylinder. And low-temperature water is led out from the steam generator, enters through the water replenishing port D, is mixed with saturated water in the water storage and replenishing cavity of the cylinder body, enables the drainage temperature to be lower than the saturation temperature, is discharged from the water outlet C, is pressurized through the water pump and then enters the steam generator again for heating, and the water outlet E is used for discharging water when the equipment stops running.

The pressure regulating part regulates the outlet pressure of the whole equipment and the steam amount flashed out through the pressure measuring points f and g in the figure, ensures that the high-temperature drainage of the steam generator does not directly return to the deoxygenation water tank, properly regulates the steam amount for heating the water supplemented by the deoxygenation water tank through the equipment pressure, finally can ensure the balance of a thermodynamic system, avoids causing heat waste and water resource waste, and improves the energy utilization rate.

The utility model can avoid the system thermal unbalance caused by the steam generator high temperature drainage directly returning to the deoxidizing water tank, and the deoxidizing water tank boiling, which causes heat waste and water resource waste; the utility model discloses simple structure, convenient and practical, and the cost is with low costs.

The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.

Claims

1. The energy-saving emission-reducing device for the steam generator is characterized by comprising a cylinder, a pressure regulating part arranged on the outer surface of the cylinder, a pressure-reducing flash evaporation component arranged in the cylinder and a steam-water separation component arranged in the cylinder and positioned above the pressure-reducing flash evaporation component; the pressure regulating part is communicated with the cylinder and is used for regulating the outlet pressure of the device and the amount of steam flashed out; the decompression flash evaporation component is used for decompressing high-temperature hydrophobic and flashing steam quantity; the steam-water separation assembly is used for separating saturated steam; and the part of the cylinder cavity below the reduced-pressure flash evaporation assembly is used as a water storage cavity and a water replenishing cavity.

2. The energy conservation and emission reduction device for the steam generator of claim 1, wherein the pressure reduction flash assembly comprises an inlet pipe and a pressure reduction ring arranged on the inlet pipe; the water inlet of the inlet pipe extends to the outside of the cylinder.

3. The energy conservation and emission reduction device for the steam generator of claim 1, wherein the steam-water separation assembly comprises a plurality of sets of perforated plates.

4. The energy conservation and emission reduction device for the steam generator of claim 3, wherein the perforated plates are arranged in the cylinder body at equal intervals in a vertical direction.

5. The energy-saving and emission-reducing device for the steam generator according to claim 1, wherein a water outlet and a water replenishing opening are formed in the water storage cavity and the water replenishing cavity; the water outlet and the water replenishing port extend to the outside of the cylinder.

6. The energy conservation and emission reduction device for the steam generator of claim 1, wherein a steam outlet is formed at the top of the cylinder; the bottom of the cylinder body is provided with a water outlet.

7. The energy conservation and emission reduction device for the steam generator according to any one of claims 1 to 6, wherein a plurality of supporting legs for supporting are fixedly connected to the bottom of the cylinder body.

8. The energy conservation and emission reduction device for the steam generator as claimed in any one of claims 1 to 6, wherein the pressure regulating member is located at the top of the outer surface of the cylinder.