CN210219726U - Unpowered automatic drainage recoverer - Google Patents

Abstract

The utility model discloses an unpowered automatic drainage recoverer in the technical field of drainage recovery, which comprises a deaerator, a shaft seal heater, a water tank, a ball float valve, a condenser and a hot well, wherein a delivery pipe is fixedly connected with an exhaust port of the deaerator, the delivery pipe is fixedly connected with an air inlet of a waste steam recovery device, an air outlet of the waste steam recovery device is fixedly connected with a delivery pipe, the other end of the delivery pipe is fixedly connected with an air inlet of the shaft seal heater, a drainage port of the shaft seal heater is connected with a U-shaped water seal, the other end of the U-shaped water seal is connected with an water inlet of the water tank, the bottom of the water tank is provided with the ball float valve, a water outlet of the ball float valve penetrates through the side wall of the water tank to be connected with a drainage recovery pipe, the other end of the drainage recovery pipe is connected with the steam side of the condenser, a bottom water, and unpowered recovery of hydrophobic water is realized.

Description

Unpowered automatic drainage recoverer

Technical Field

The utility model discloses an unpowered automatic drainage recoverer specifically is drainage recovery technical field.

Background

The thermal power plant uses a thermal oxygen removal method to remove oxygen in water, and the oxygen removal method not only can remove oxygen in water, but also can remove other soluble gases contained in water. The thermal deoxygenation method needs to use a deoxygenator as equipment. The oxygen-eliminating device heats the steam-water mixture to saturation, the oxygen partial pressure is smaller than the oxygen partial pressure contained in water, the oxygen in the water can be effectively removed under the action of the oxygen-eliminating device, and the oxygen is separated out. The air is exhausted out of the system along with the water vapor through the exhaust port. When the exhaust port of the deaerator is maximally opened, the discharge amount of the steam-gas mixture is increased to a certain extent, the flowing speed of the gas in the device is also increased, and the oxygen and other soluble gases in the water are greatly removed.

However, the deaerator exhaust port is opened too much, so that steam and heat loss and waste can be caused, and most of the existing drainage recovery devices use an electric pump as power and need to consume a large amount of electric energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unpowered automatic hydrophobic recoverer to open too big in the oxygen-eliminating device gas vent of proposing among the solution above-mentioned background art, also can cause steam and thermal loss and waste, the most electric pump machines that use of hydrophobic recovery unit that have now moreover need consume the problem of a large amount of electric energy as power.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an unpowered automatic drainage recoverer, includes oxygen-eliminating device, bearing seal heater, water tank, ball-cock assembly, condenser and hot-well, the conveyer pipe of gas vent fixedly connected with of oxygen-eliminating device, conveyer pipe and exhaust steam recovery unit's air inlet fixed connection No. one, exhaust steam recovery unit's gas outlet and No. two conveyer pipe fixed connection, the other end of No. two conveyer pipes and bearing seal heater's air inlet fixed connection, bearing seal heater's drain port and U type water seal are connected, the other end of U type water seal is connected with the water inlet of water tank, the bottom of water tank is equipped with the ball-cock assembly, the delivery port of ball-cock assembly runs through the lateral wall and the drainage recovery union coupling of water tank, the other end of drainage recovery pipe is connected to the vapour side of condenser, the bottom delivery port and the hot-well of.

Preferably, the side wall of the shaft seal heater is provided with a water inlet and a water outlet, the inner cavities of the water inlet and the water outlet are clamped with a U-shaped condensed water pipeline, the water inlet side of the U-shaped condensed water pipeline is connected with the hot well, and the water outlet side of the U-shaped condensed water pipeline is connected with the low-pressure heater.

Preferably, a drain outlet is formed in the bottom of the water tank, and a stop valve is arranged in an inner cavity of the drain outlet.

Preferably, drainage pipe is opened to the upper portion lateral wall of U type water seal, the inner chamber that U type water seal is located drainage pipe below is equipped with valve A, the outlet pipe is connected with the trench, the inner chamber of delivery port is equipped with valve B.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the device is provided with a condenser, a first delivery pipe, a dead steam recovery device, a second delivery pipe, a shaft seal heater, a U-shaped condensed water pipeline and a water tank, wherein the condenser delivers discharged steam to the dead steam recovery device through the first delivery pipe, the steam is reduced to a certain temperature in the dead steam recovery device and separates out non-condensable gas such as oxygen and then is delivered to the shaft seal heater through the second delivery pipe, the U-shaped condensed water pipeline is clamped between a water outlet of the shaft seal heater and an inner cavity of a water inlet, condensed water in a hot well is injected through the water inlet side of the U-shaped condensed water pipeline and enters the shaft seal heater, the wall of a pipeline separating the U-shaped condensed water pipeline exchanges heat with the steam entering the shaft seal heater, the condensed water is heated and is delivered to a low-pressure heater through the water outlet side of the U-shaped condensed water pipeline, and the heat of the steam is self-condensed water after being exchanged to, flows to the U-shaped water seal through the drain port of the shaft seal heater and finally flows into the water tank, so that the steam and heat of the condenser are effectively recycled and utilized.

2) This device sets up water tank, ball-cock assembly, water delivery recovery pipe, condenser, hot-well, behind the drainage income water tank, the water tank liquid level risees, and the floater of ball-cock assembly risees under the buoyancy, opens the ball-cock assembly, and drainage in the water tank is taken out to the condenser through the water delivery recovery pipe under condenser vacuum action, and the parallel flow is to hot-well reuse, and along with the liquid level in the water tank reduces, the ball-cock assembly of water tank bottom is closed to keep the vacuum of condenser, make the water delivery in the water tank realize unpowered recovery.

Drawings

FIG. 1 is a schematic view of the structure of an automatic water-delivering recoverer of the present invention;

fig. 2 is a schematic view of the structure of the shaft seal heater of the automatic water transfer recoverer of the present invention.

In the figure: 100 deaerators, 210 a delivery pipe, 220 a delivery pipe, 300 dead steam recovery devices, 400 shaft seal heaters, 410 water inlets, 420 water outlets, 430U-shaped condensed water pipes, 500U-shaped water seals, 510 drainage pipes, 520 valves A, 530 valves B, 600 water tanks, 610 float valves, 620 water delivery recovery pipes, 630 sewage outlets, 631 stop valves, 700 condensers and 800 hot wells.

Detailed Description

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.

The utility model provides an unpowered automatic drainage recoverer, please refer to fig. 1 and fig. 2, comprising a deaerator 100, a shaft seal heater 400, a water tank 600, a ball float valve 610, a condenser 700 and a hot well 800;

referring to fig. 1, a first delivery pipe 210 is fixedly connected to an exhaust port of the deaerator 100, the first delivery pipe 210 is fixedly connected to an air inlet of an exhaust steam recovery device 300, the exhaust steam recovery device 300 is used for separating and discharging non-condensable gas such as oxygen from steam, and reducing the temperature of the steam properly, and an air outlet of the exhaust steam recovery device 300 is fixedly connected to a second delivery pipe 220;

referring to fig. 1 and 2, the other end of the second delivery pipe 220 is fixedly connected to an air inlet of the shaft seal heater 400, a drain port of the shaft seal heater 400 is connected to a U-shaped water seal 500, the U-shaped water seal 500 is used for maintaining vacuum inside the shaft seal heater 400 and ensuring working stability thereof, the other end of the U-shaped water seal 500 is connected to an water inlet of a water tank 600, the water tank 600 expands and concentrates drain water, a ball float valve 610 is disposed at the bottom of the water tank 600, a water outlet of the ball float valve 610 penetrates through a side wall of the water tank 600 and is connected to a drain recovery pipe 620, the other end of the drain recovery pipe 620 is connected to a steam side of the condenser 700, a bottom water outlet of the condenser 700 is connected to a hot well 800, and the drain water is recovered to the condenser 700 through the water;

when the steam-exhaust steam recovery device 300 is used specifically, a person in the technical field needs to open the steam-exhaust steam recovery device 300, steam discharged from the deaerator 100 is discharged into the steam-exhaust steam recovery device 300 through the first conveying pipe 210, the steam is reduced in certain temperature in the steam-exhaust steam recovery device 300, non-condensable gas such as oxygen is separated out and then conveyed to the shaft seal heater 400 through the second conveying pipe 220, the steam heats condensed water in the U-shaped condensed water pipeline in the shaft seal heater 400, the condensed water is condensed by exchanging heat, the generated conveyed water is discharged into the U-shaped water seal 500 through the drain port and finally discharged into the water tank 600, after the drained water is discharged into the water tank 600, the liquid level of the water tank 600 is increased, the floating ball of the floating ball valve 610 is increased under the buoyancy effect, the floating ball valve 610 is opened, the drained water in the water tank 600 is pumped into the steam condenser 700 through the water conveying recovery pipe 620 under the vacuum effect of the steam condenser 700 and flows, the ball float valve 610 at the bottom of the water tank 600 is closed, so that the vacuum of the condenser 700 is maintained, and the unpowered recovery of the water delivery in the water tank 600 is realized;

referring to fig. 2, a water inlet 410 and a water outlet 420 are formed in the side wall of the shaft seal heater 400, a U-shaped condensed water pipe 430 is clamped in the inner cavities of the water inlet 410 and the water outlet 420, the water inlet side of the U-shaped condensed water pipe 430 is connected with a hot well 800, the U-shaped condensed water pipe 430 conveys condensed water in the hot well out for reuse, and the water outlet side of the U-shaped condensed water pipe 430 is connected with a low-pressure heater;

referring to fig. 1, a sewage draining outlet 630 is formed at the bottom of the water tank 600, a stop valve 631 is arranged in the inner cavity of the sewage draining outlet 630, and the water tank 600 can drain sewage through the sewage draining outlet 630 by opening the stop valve 631;

referring to fig. 2, a drainage pipe 510 is arranged on the upper side wall of the U-shaped water seal 500, a valve a520 is arranged in an inner cavity of the U-shaped water seal 500 below the drainage pipe 510, the drainage pipe 510 is connected with a trench, and a valve B530 is arranged in an inner cavity of a water outlet, so that a part of drainage water needs to be discharged because all drainage water is not available, when the drainage water needs to be discharged, the valve a520 is closed, the valve B530 is opened, and the water to be discharged can be discharged through the drainage pipe 510;

while the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (4)

1. An unpowered automatic drainage recoverer is characterized in that: the steam recovery device comprises a deaerator (100), a shaft seal heater (400), a water tank (600), a ball float valve (610), a condenser (700) and a hot well (800), wherein a first conveying pipe (210) is fixedly connected to an exhaust port of the deaerator (100), the first conveying pipe (210) is fixedly connected with an air inlet of a waste steam recovery device (300), an air outlet of the waste steam recovery device (300) is fixedly connected with a second conveying pipe (220), the other end of the second conveying pipe (220) is fixedly connected with an air inlet of the shaft seal heater (400), a drain port of the shaft seal heater (400) is connected with a U-shaped water seal (500), the other end of the U-shaped water seal (500) is connected with an water inlet of the water tank (600), the bottom of the water tank (600) is provided with the ball float valve (610), a water outlet of the ball float valve (610) penetrates through the side wall of the water tank (600) and is connected, the other end of the drainage recovery pipe (620) is connected to the steam side of the condenser (700), and a water outlet at the bottom of the condenser (700) is connected with the hot well (800).

2. The unpowered automatic drainage recycler of claim 1, wherein: the side wall of the shaft seal heater (400) is provided with a water inlet (410) and a water outlet (420), inner cavities of the water inlet (410) and the water outlet (420) are clamped with a U-shaped condensed water pipeline (430), the water inlet side of the U-shaped condensed water pipeline (430) is connected with the hot well (800), and the water outlet side of the U-shaped condensed water pipeline (430) is connected with the low-pressure heater.

3. The unpowered automatic drainage recycler of claim 1, wherein: the bottom of water tank (600) is opened there is drain (630), the inner chamber of drain (630) is equipped with stop valve (631).

4. The unpowered automatic drainage recycler of claim 1, wherein: drainage pipe (510) have been opened to the upper portion lateral wall of U type water seal (500), the inner chamber that U type water seal (500) are located drainage pipe (510) below is equipped with valve A (520), drainage pipe (510) are connected with the trench, the inner chamber of delivery port is equipped with valve B (530).

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