CN219571896U

CN219571896U - Steam-water separator

Info

Publication number: CN219571896U
Application number: CN202223562188.8U
Authority: CN
Inventors: 王波; 于龙吉; 冉凡伟
Original assignee: Qingdao Kai Non Environmental Protection Technology Co ltd
Current assignee: Qingdao Kai Non Environmental Protection Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-08-22
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of steam-water separation, in particular to a steam-water separator, which comprises a shell, wherein a riser interface and a steam outlet are arranged above the shell, and a water level electrode inserted into the shell from the top surface of the shell; a drain pipe interface is arranged below the shell, and the side wall of the shell is connected with a descending pipe interface; the device also comprises a circulating system, wherein the ascending pipe interface, the steam outlet and the descending pipe interface are respectively communicated with the circulating system, so that water can be timely supplemented, the recycling of liquid is realized, and the hard requirement and qualitative limitation on the volume are overcome.

Description

Steam-water separator

Technical Field

The utility model relates to the technical field of steam-water separation, in particular to a steam-water separator.

Background

The steam-water separator is a matched device for separating steam and liquid, which is often applied to a fuel oil and gas boiler or a waste heat boiler of a platform such as a commercial, oil field, ship, mobile heating station and the like. At present, as modern boilers gradually tend to be miniaturized, strict requirements are also placed on the capacity of the steam-water separator. The existing steam-water separator is complex in structure and large in volume. In particular, the steam-water separator used by the natural circulation boiler has strict requirements on the volume, and in the prior art, the steam-water separators such as those disclosed in patent numbers 201410103713.0 and 201610514368.9 are not free from the limitation on the volume. Thereby playing a great restriction on the miniaturization development of boilers with steam as output products.

Disclosure of Invention

The utility model aims to solve the technical problems that: overcomes the defects of the prior art and provides a steam-water separator.

The utility model adopts the technical proposal for solving the technical problems that: the steam-water separator comprises a shell, wherein a riser interface and a steam outlet are arranged above the shell, and the steam-water separator also comprises a water level electrode inserted into the shell from the top surface of the shell;

a drain pipe interface is arranged below the shell, and the side wall of the shell is connected with a descending pipe interface;

the steam cooling system further comprises a circulating system, and the ascending pipe interface, the steam outlet and the descending pipe interface are respectively communicated with the circulating system.

The circulating system comprises a water inlet pipe, a water feeding pump is communicated with the water inlet pipe, one end of the water feeding pump is communicated with a water source through a first stop valve, and the other end of the water feeding pump is connected with the circulating pipe through a check valve, a second stop valve and an electromagnetic valve in sequence;

one end of the circulating water pipe is communicated with the descending pipe joint;

the other end of the circulating water pipe is communicated with the ascending pipe interface through a circulating pump, a heat exchanger and a temperature switch in sequence;

the water level electrode is electrically connected with the water supply pump, the electromagnetic valve and the circulating pump.

Be provided with the breakwater in the casing, the breakwater is located under the tedge interface, the one end of breakwater passes through connecting plate and the top inner wall fixed connection of casing, the other end of breakwater with the space is left to the lateral wall of casing. The effect of setting up the breakwater is when avoiding rivers to flow into the casing inner chamber from the rising pipe interface, and direct whereabouts is to the bottom of casing, arouses great splash easily, leads to the liquid and the steam fusion of splash and can't realize better vapour-liquid separation. From the ascending pipe mouth when flowing into the casing inner chamber, fall on the breakwater earlier from this, alleviateed the impulsive force that rivers descend, played the cushioning effect of certain degree to avoid causing great splash, realize better vapour-liquid separation effect.

The steam generator is characterized in that a separation net partition plate is arranged in the shell and positioned right below the steam outlet, one end of the separation net partition plate is fixedly connected with the connecting plate, and the other end of the separation net partition plate is connected with the water level electrode.

The connecting plate is positioned between the ascending pipe joint and the steam outlet, and the upper part of the connecting plate is fixedly connected with the inner wall of the top of the shell.

The shell is internally provided with a filter screen along the inner wall of the shell. The filter screen is arranged, so that impurities are prevented from entering the circulating system through the descending pipe joint, and impurities in the shell can be removed only through the blow-off pipe joint.

And an electrode sheath is sleeved outside the water level electrode. The water level electrode is protected. One end of the separation net baffle plate is fixedly connected with the water level electrode through the electrode sheath.

The sewage pipe is connected with a sewage pipe, and a filter and a sewage valve are arranged on the sewage pipe. And carrying out periodic sewage discharge through a sewage discharge pipe connector.

Compared with the prior art, the utility model has the following beneficial effects:

the steam-water separator provided by the utility model can supplement water in time through the circulating system, realizes the recycling of liquid, and overcomes the hard requirement and qualitative limitation on volume. Meanwhile, the utility model has simple structure, realizes better gas-liquid separation and is more convenient to use.

Drawings

FIG. 1 is a schematic view of the connection of the housing of the present utility model to a circulatory system.

FIG. 2 is a schematic view of the internal structure of the steam-water separator shell of the utility model.

Fig. 3 is a circuit diagram of the present utility model.

In the figure: 1. a riser interface; 2. a steam outlet; 3. a water level electrode; 4. an electrode sheath; 5. a downcomer interface; 6. a blow-down pipe interface; 7. a separation net separator; 8. a water baffle; 9. a filter screen; 10. a housing; 11. a connecting plate; 12. a water feed pump; 13. a stop valve I; 14. a check valve; 15. a second stop valve; 16. an electromagnetic valve; 17. a circulating water pipe; 18. a water inlet pipe; 19. a circulation pump; 20. a heat exchanger; 21. a temperature switch; 22. a filter; 23. a sewage disposal valve.

Detailed Description

Embodiments of the utility model are further described below with reference to the accompanying drawings:

examples

As shown in fig. 1 to 3, the steam-water separator comprises a shell 10, wherein a riser pipe interface 1 and a steam outlet 2 are arranged above the shell 10, and a water level electrode 3 inserted into the shell 10 from the top surface of the shell 10;

a drain pipe interface 6 is arranged below the shell 10, and a descending pipe interface 5 is connected to the side wall of the shell 10;

the steam cooling system further comprises a circulating system, and the rising pipe interface 1, the steam outlet 2 and the falling pipe interface 5 are respectively communicated with the circulating system.

Be provided with breakwater 8 in the casing 10, breakwater 8 is located under the tedge interface 1, the one end of breakwater 8 passes through connecting plate 11 and the top inner wall fixed connection of casing 10, the other end of breakwater 8 with the lateral wall of casing 10 leaves the space. The function of setting up breakwater 8 is to avoid rivers from riser interface 1 when flowing into the casing 10 inner chamber, and direct whereabouts is to the bottom of casing 10, arouses great splash easily, leads to the liquid and the steam fusion of splash and can't realize better vapour-liquid separation. From this rivers when 1 inflow casing 10 inner chamber of riser interface, fall on breakwater 8 earlier, alleviate the impulsive force that rivers descend, played the cushioning effect of certain degree to avoid causing great splash, realize better vapour-liquid separation effect.

The inside of the shell 10 is provided with a separation net baffle 7, the separation net baffle 7 is positioned under the steam outlet 2, one end of the separation net baffle 7 is fixedly connected with the connecting plate 11, and the other end of the separation net baffle 7 is connected with the water level electrode 3. The separation net baffle 7 is further arranged to block liquid, so that the steam-water separation effect is improved.

Referring to fig. 1 and 2, a connection plate 11 is positioned between the rising pipe joint 1 and the steam outlet 2, and an upper side of the connection plate 11 is fixedly connected with a top inner wall of the housing 10. When the steam-water mixture enters the shell 10, the steam-water mixture flows down from one end far away from the connecting plate 11, so that rising steam is kept away as far as possible, and the steam-liquid mixture is reduced. The fixed connection between the connection plate 11 and the inner wall of the housing 10, the separation net partition 7 and the water baffle 8 may be a conventional fixed connection such as welding.

A filter screen 9 is arranged in the shell 10 along the inner wall of the shell 10. The filter screen 9 prevents impurities from entering the circulating system through the descending pipe joint 5, and ensures that the impurities in the shell 10 can only be discharged through the sewage pipe joint.

The water level electrode 3 is sleeved with an electrode sheath 4. Playing a role of protecting the water level electrode 3. Referring to fig. 2, one end of the separation mesh partition 7 is fixedly connected to the water level electrode 3 through the electrode sheath 4.

The sewage pipe interface 6 is connected with a sewage pipe, and a filter 22 and a sewage valve 23 are arranged on the sewage pipe. Periodic blowdown is performed through the blowdown pipe interface 6.

The circulating system comprises a water inlet pipe 18, a water feeding pump 12 is communicated with the water inlet pipe 18, one end of the water feeding pump 12 is communicated with a water source through a first stop valve 13, and the other end of the water feeding pump 12 is connected with a circulating water pipe 17 through a check valve 14, a second stop valve 15 and an electromagnetic valve 16 in sequence;

one end of the circulating water pipe 17 is communicated with the downcomer joint 5;

the other end of the circulating water pipe 17 is communicated with the rising pipe joint 1 through a circulating pump 19, a heat exchanger 20 and a temperature switch 21 in sequence;

the water level electrode 3 is electrically connected with the water feed pump 12, the electromagnetic valve 16, the circulating pump 19 and the heat exchanger 20. The water level electrode 3 is used for detecting the water level condition in the housing 10.

The steam-water mixture enters the shell 10 through the riser joint 1, is buffered by the water baffle 8, flows into the bottom of the shell 10 from one end far away from the connecting plate 11, and the steam in the shell 10 rises and is output through the separation net partition 7 and the steam outlet 2.

In the utility model, the water source is reverse osmosis clean water, a circuit diagram adopted for realizing the utility model is shown in figure 3, and the water level electrode 3 is connected with a timer. The working principle is as follows:

when water is fed, the following steps are carried out: the electromagnetic valve 16 is opened, the water feed pump 12 is started, reverse osmosis clean water is pressurized (higher than steam pressure) and then is pumped into the steam-water separator shell 10 through the ascending pipe joint 1, the whole system is filled with water, when the water level in the shell 10 rises and contacts the water level electrode 3, the water level electrode 3 feeds back an electric signal, the water feed pump 12 stops feeding water, the electromagnetic valve 16 is closed, and the circulating pump 19 is started. The circulating pump 19 pressurizes water to enter the heat exchanger 20 (the heat exchanger 20 can adopt the existing waste heat convection heat exchange, also can adopt combustion radiation heat exchange, at the moment, the water is not heated yet) and then reaches the riser interface 1, in the process, if the water level in the shell 10 is lower than the water level electrode 3 for more than the set time (the set time is set to 3s through a timer, the embodiment sends an electric signal to the electromagnetic valve 16 and the water feeding pump 12, the electromagnetic valve 16 is re-opened, the water feeding pump 12 is started to feed water until the circulating pump 19 stably operates, and the water feeding process is completed when the water level electrode 3 always feeds back the water level.

Operating state (i.e. when heating to produce steam): after the water is fed, the heat exchanger 20 starts to heat, the circulating water becomes a steam-water mixture after being heated by the heat exchanger 20, when the temperature reaches a set value, the temperature switch 21 is opened, and the steam enters the shell 10 to carry out steam-water separation, wherein steam is output through the separation net partition 7 and the steam outlet 2. The hot water is pressurized by the circulating pump 19 again through the descending pipe joint 5, then enters the heat exchanger 20, is heated into a steam-water mixture and returns to the shell 10 for steam-water separation, and circulation is realized, in the process, if the water level in the shell 10 is lower than the water level electrode 3 for more than 3s, the water level electrode 3 sends an electric signal to the electromagnetic valve 16 and the water feeding pump 12, the electromagnetic valve 16 is opened, and the water feeding pump 12 is started for water feeding.

Claims

1. The steam-water separator comprises a shell (10), and is characterized in that a riser joint (1) and a steam outlet (2) are arranged above the shell (10), and the steam-water separator also comprises a water level electrode (3) inserted into the shell (10) from the top surface of the shell (10);

a drain pipe interface (6) is arranged below the shell (10), and the side wall of the shell (10) is connected with a descending pipe interface (5);

the steam cooling system further comprises a circulating system, wherein the rising pipe joint (1), the steam outlet (2) and the falling pipe joint (5) are respectively communicated with the circulating system.

2. The steam-water separator according to claim 1, wherein the circulating system comprises a water inlet pipe (18), a water feeding pump (12) is communicated with the water inlet pipe (18), one end of the water feeding pump (12) is communicated with a water source through a first stop valve (13), and the other end of the water feeding pump (12) is connected with a circulating water pipe (17) through a check valve (14), a second stop valve (15) and an electromagnetic valve (16) in sequence;

one end of the circulating water pipe (17) is communicated with the descending pipe joint (5);

the other end of the circulating water pipe (17) is communicated with the rising pipe joint (1) through a circulating pump (19), a heat exchanger (20) and a temperature switch (21) in sequence;

the water level electrode (3) is electrically connected with the water feed pump (12), the electromagnetic valve (16) and the circulating pump (19).

3. The steam-water separator according to claim 1, wherein a water baffle (8) is arranged in the shell (10), the water baffle (8) is positioned right below the rising pipe joint (1), one end of the water baffle (8) is fixedly connected with the top inner wall of the shell (10) through a connecting plate (11), and a gap is reserved between the other end of the water baffle (8) and the side wall of the shell (10).

4. A steam-water separator according to claim 3, characterized in that a separation net partition plate (7) is arranged in the shell (10), the separation net partition plate (7) is positioned right below the steam outlet (2), one end of the separation net partition plate (7) is fixedly connected with the connecting plate (11), and the other end of the separation net partition plate (7) is connected with the water level electrode (3).

5. The steam-water separator according to claim 4, characterized in that the connecting plate (11) is located between the rising pipe joint (1) and the steam outlet (2), and the upper part of the connecting plate (11) is fixedly connected with the top inner wall of the shell (10).

6. The steam-water separator according to claim 1, characterized in that a filter screen (9) is arranged in the housing (10) along the inner wall of the housing (10).

7. The steam-water separator according to claim 1, characterized in that the water level electrode (3) is externally sleeved with an electrode sheath (4).

8. The steam-water separator according to claim 1, characterized in that the drain pipe interface (6) is connected with a drain pipe, on which a filter (22) and a drain valve (23) are arranged.