CN210568353U

CN210568353U - High-efficient oxygen-eliminating device

Info

Publication number: CN210568353U
Application number: CN201921521691.4U
Authority: CN
Inventors: 穆道江; 孙彩环; 孙志
Original assignee: Lianyungang Yutai Electric Power Equipment Co ltd
Current assignee: Lianyungang Yutai Electric Power Equipment Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-05-19
Anticipated expiration: 2029-09-09

Abstract

The utility model provides a high-efficient oxygen-eliminating device, include the deoxidization water tank and install the deoxidization tower head on the deoxidization water tank, install the subassembly of ventilating that falls into water between deoxidization tower head and deoxidization water tank, the subassembly of ventilating that falls into water includes downcomer and the exhaust pipe of intercommunication deoxidization tower head inner chamber and deoxidization water tank inner chamber, and the exhaust pipe stretches into the one end of deoxidization tower head and installs the manger plate cap, the one end of downcomer communicates with each other with the inner chamber of deoxidization tower head, and the other end of downcomer stretches into under the liquid level of deoxidization water tank inner chamber, the bottom of downcomer sets up to the blind end, is equipped with a plurality of wash ports in the lower part circumference that the. The utility model has the advantages of simple and reasonable structure, long service life, the noise is little. The bottom of the downcomer is set to be the closed end, and a plurality of drain holes are circumferentially formed in the lower portion, close to the closed end, of the downcomer, so that the effect of stabilizing the water level in the deaerating water tank can be achieved, and meanwhile, the noise generated when water enters and impacts the liquid level can be reduced.

Description

High-efficient oxygen-eliminating device

Technical Field

The utility model relates to a boiler feedwater deoxidization technical field, more specifically say, relate to a high-efficient oxygen-eliminating device.

Background

In the process of boiler feed water treatment, oxygen removal is a very critical link. If oxygen is dissolved in boiler feed water, the oxygen can corrode the boiler feed water equipment and pipelines, and when the pipelines are corroded seriously, pipeline explosion accidents often occur. Therefore, before the feed water enters the boiler, the oxygen in the water needs to be removed through the deaerator. Therefore, the deaerator is one of the key equipment of the boiler and the heating system, introduces steam with certain pressure into water to be deaerated, heats the water to the saturation temperature under the deaerating pressure, on one hand, heats the boiler water supply, on the other hand, reduces the solubility of non-condensation gas in the water, thereby achieving the purpose of deaerating, preventing and reducing the corrosion of a boiler water supply pipe, an economizer and other accessory equipment, and prolonging the service life of system equipment. After the existing deaerator is deaerated by heat, the deaerator can generate larger noise while discharging gas, and causes noise pollution to the surrounding environment.

Disclosure of Invention

The utility model aims to solve the technical problem that to prior art not enough, provide a simple structure is reasonable, convenient to use, and the noise is little, longe-lived high-efficient oxygen-eliminating device, concrete scheme as follows:

the utility model relates to a high-efficient oxygen-eliminating device, include the deoxidization water tank and install the deoxidization tower head on the deoxidization water tank, its characteristics are: a water falling ventilating assembly is arranged between the deoxidizing tower head and the deoxidizing water tank, the water falling ventilating assembly comprises a downcomer and a steam exhaust pipe communicated with an inner cavity of the deoxidizing tower head and an inner cavity of the deoxidizing water tank, one end of the steam exhaust pipe extending into the deoxidizing tower head is provided with a water retaining cap, one end of the downcomer is communicated with the inner cavity of the deoxidizing tower head, the other end of the downcomer extends into the liquid level of the inner cavity of the deoxidizing water tank, the bottom of the downcomer is a closed end, and a plurality of drain holes are circumferentially arranged on the lower portion, close to the closed end, of the downcomer; the interior of the deoxygenation water tank is provided with a reboiling pipe assembly, the reboiling pipe assembly comprises reboiling steam branch pipes arranged below the liquid level of the deoxygenation water tank and a steam inlet main pipe communicated with the reboiling steam branch pipes, the steam inlet main pipe extends upwards out of the deoxygenation water tank, and the bottoms of the reboiling steam branch pipes are provided with a plurality of steam outlets; the top of deoxidization tower head is equipped with the deoxidization head gas outlet, and it has the catch water to go round to ann in deoxidization head gas outlet department, has the rotary film pipe subassembly at the deoxidization tower head internally mounted of catch water below, is equipped with the drain coil pipe below the rotary film pipe subassembly, opens a plurality of apopores on the drain coil pipe, has the steam distribution dish at the deoxidization tower head internally mounted of drain coil pipe below.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, 2 are installed to the steam extraction pipe symmetry, and 2 are installed to the downcomer symmetry.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, the apopore is seted up in the side of hydrophobic coil pipe.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, is equipped with the outlet pipe in the bottom of deoxidization water tank.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, has the reposition of redundant personnel baffle in extension drainage route at the top deoxidization water tank internally mounted of outlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that: simple and reasonable structure, convenient use, stable operation, long service life and low noise. The bottom of the downcomer is arranged to be a closed end, and the plurality of drain holes are circumferentially arranged at the lower part of the downcomer close to the closed end, so that the impact of inflow water on the liquid level in the deoxygenation water tank can be reduced, the effect of stabilizing the water level in the deoxygenation water tank is achieved, and meanwhile, the noise generated when the inflow water impacts the liquid level can be reduced; the water inlet is more uniform by using the drainage coil pipe, and simultaneously, the pressure and the speed of the inlet water can be reduced, so that the erosion of the inlet water to the cylinder body is reduced, the vibration of the inlet water to equipment is reduced, and the noise is reduced; the steam outlet holes at the bottom of the reboiled steam branch pipe are utilized to ensure that the steam uniformly flows out from the steam outlet holes, the saturation temperature of the deoxygenation water tank is maintained, oxygen is prevented from returning to qualified water, and the deep deoxygenation effect is achieved.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the structure of a hydrophobic coil;

FIG. 3 is a schematic view of the downcomer;

FIG. 4 is a schematic view of the structure of the exhaust pipe;

fig. 5 is a schematic view of the structure in the direction a of fig. 1.

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.

As shown in fig. 1, 2, 3, 4 and 5, the embodiment provides a high-efficiency deaerator, which comprises a deaerating water tank 9 and a deaerating tower head 3 mounted on the deaerating water tank 9, a water-falling ventilating assembly is arranged between the deoxidizing tower head 3 and the deoxidizing water tank 9, the water-falling ventilating assembly comprises a downcomer 10 and a steam exhaust pipe 11 for communicating the inner cavity of the deoxidizing tower head and the inner cavity of the deoxidizing water tank, one end of the steam exhaust pipe 11 extending into the deoxidizing tower head 3 is provided with a water retaining cap 13, one end of the downcomer 10 is communicated with the inner cavity of the deoxidizing tower head, the other end of the downcomer 10 extends into the liquid level of the inner cavity of the deoxidizing water tank, the bottom of the downcomer is arranged to be a closed end, a plurality of drain holes 12 are circumferentially arranged at the lower part of the downcomer 10 close to the closed end, so that the impact of water inflow on the liquid level in the deoxygenation water tank can be reduced, the effect of stabilizing the water level in the deoxygenation water tank is achieved, and meanwhile, the noise generated when the water inflow impacts the liquid level can be reduced; a reboiling pipe assembly is arranged in the deoxygenation water tank, the reboiling pipe assembly comprises a reboiling steam branch pipe 7 arranged below the liquid level of the deoxygenation water tank and a steam inlet main pipe 6 communicated with the reboiling steam branch pipe 7, the steam inlet main pipe 6 extends upwards out of the deoxygenation water tank 9, a plurality of steam outlet holes are formed in the bottom of the reboiling steam branch pipe, so that steam uniformly flows out of the steam outlet holes, the deoxygenation water tank is uniformly heated, the saturation temperature of the deoxygenation water tank is maintained, and oxygen is prevented from returning to qualified water; the top of deoxidization tower head is equipped with the deoxidization head gas outlet, and it has catch water 1 to go round to ann in deoxidization head gas outlet department, has hydrophobic coil pipe 4 at catch water below's deoxidization tower head internally mounted, has opened a plurality of apopores on hydrophobic coil pipe 4, has rotary film pipe assembly 2 at the deoxidization tower head internally mounted between hydrophobic coil pipe 4 and catch water 1, has steam distribution dish 5 at the deoxidization tower head internally mounted of hydrophobic coil pipe below. The height of the steam exhaust pipe is higher than that of the precipitation pipe, so that a water retaining cap on the steam exhaust pipe can play a role in diversion, and water falling on the water retaining cap flows into the precipitation pipes on two sides.

2 are installed to the steam extraction pipe symmetry, and 2 are installed to the downcomer symmetry. The 2 steam exhaust pipes are symmetrically arranged front and back, and the 2 downcomer pipes are respectively arranged at the left side and the right side of the steam exhaust pipes; the number of the steam exhaust pipes and the number of the water reducing pipes can be respectively 1 or more, so that the water falling on the water retaining cap can conveniently flow into the water reducing pipes on two sides. The apopore is seted up in hydrophobic coil's side, and the apopore can be seted up in hydrophobic coil's inboard, also can set up in hydrophobic coil's the outside, makes into water more even, can reduce the pressure reduction deceleration simultaneously intaking, reduces into water to the erosion of deoxidization tower head and deoxidization water tank, reduces because the vibrations of intaking to equipment. The bottom of the deoxygenation water tank is provided with a water outlet pipe 8. A diversion baffle plate for prolonging a drainage path is arranged inside the oxygen removal water tank above the water outlet pipe 8, so that the oxygen removal effect is prevented from being influenced by the fact that water is directly leaked from the water outlet pipe.

Claims

1. The utility model provides a high-efficient oxygen-eliminating device, includes the deoxidization water tank and installs the deoxidization tower head on the deoxidization water tank, its characterized in that: a water falling ventilating assembly is arranged between the deoxidizing tower head and the deoxidizing water tank, the water falling ventilating assembly comprises a downcomer and a steam exhaust pipe communicated with an inner cavity of the deoxidizing tower head and an inner cavity of the deoxidizing water tank, one end of the steam exhaust pipe extending into the deoxidizing tower head is provided with a water retaining cap, one end of the downcomer is communicated with the inner cavity of the deoxidizing tower head, the other end of the downcomer extends into the liquid level of the inner cavity of the deoxidizing water tank, the bottom of the downcomer is a closed end, and a plurality of drain holes are circumferentially arranged on the lower portion, close to the closed end, of the downcomer; the interior of the deoxygenation water tank is provided with a reboiling pipe assembly, the reboiling pipe assembly comprises reboiling steam branch pipes arranged below the liquid level of the deoxygenation water tank and a steam inlet main pipe communicated with the reboiling steam branch pipes, the steam inlet main pipe extends upwards out of the deoxygenation water tank, and the bottoms of the reboiling steam branch pipes are provided with a plurality of steam outlets; the top of deoxidization tower head is equipped with the deoxidization head gas outlet, and it has the catch water to go round to ann in deoxidization head gas outlet department, has the rotary film pipe subassembly at the deoxidization tower head internally mounted of catch water below, is equipped with the drain coil pipe below the rotary film pipe subassembly, opens a plurality of apopores on the drain coil pipe, has the steam distribution dish at the deoxidization tower head internally mounted of drain coil pipe below.

2. The oxygen scavenger of claim 1, wherein: 2 are installed to the steam extraction pipe symmetry, and 2 are installed to the downcomer symmetry.

3. The oxygen scavenger of claim 1, wherein: the water outlet is formed in the side face of the water drainage coil.

4. The oxygen scavenger of claim 1, wherein: the bottom of the deoxygenation water tank is provided with a water outlet pipe.

5. The oxygen scavenger of claim 4, wherein: a flow dividing baffle plate for prolonging the drainage path is arranged in the deoxygenation water tank above the water outlet pipe.