CN219199123U

CN219199123U - Steam conveying device heated by utilizing tail gas of boiler

Info

Publication number: CN219199123U
Application number: CN202223551983.7U
Authority: CN
Inventors: 陈建翔; 廖杰林; 韦金利
Original assignee: Guangxi Chongzuo Deli New Energy Co ltd
Current assignee: Guangxi Chongzuo Deli New Energy Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-16
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a steam conveying device heated by utilizing boiler tail gas, and relates to the technical field of steam conveying, wherein the steam conveying device heated by utilizing boiler tail gas comprises a heating tank, the top of the heating tank is connected with a steam pipe, and the other end of the steam pipe is connected with a heat conduction oil pump; the output end of the heat conduction oil pump is connected with a conveying pipe, and the tail end of the steam conveying pipe is connected with a deaerator; the water after the desalination flows out through the outlet pipe, the water pump is conveyed to the heating tank through the water outlet pipe, the flue gas at the tail of the boiler enters the heating tank through the flue gas inlet pipe and heats the desalted water, the generated steam is pumped out through the steam pipe under the pumping of the heat conduction oil pump and is conveyed to the deaerator by the conveying pipe, the tail flue gas of the boiler is reasonably utilized in the process, the waste of resources is reduced, and a resource recycling system which reasonably utilizes and supplements each other is achieved between the boiler and the deaerator, so that the utilization rate of the resources is improved.

Description

Steam conveying device heated by utilizing tail gas of boiler

Technical Field

The utility model particularly relates to the technical field of steam conveying, in particular to a steam conveying device heated by utilizing tail gas of a boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy. The boiler is a water container heated on fire, the boiler is a place where fuel is burned, and the boiler comprises two parts of a boiler and a boiler. The hot water or steam generated in the boiler can directly provide the heat energy required for industrial production and people living.

The corollary facilities of the boiler also comprise deaerators, the spiral film deaerators are substitutes of spray filler deaerators, the most novel thermal deaerators are produced, the principle of the spiral film deaerators is that water is sprayed out from a film lifting pipe in a spiral mode according to a certain angle to perform heat exchange deaeration with heating steam, the water is heated to a saturation temperature corresponding to the working pressure of the deaerators, oxygen and other gases dissolved in the water are removed, and corrosion of a boiler water supply pipe, an economizer and other auxiliary equipment is prevented and reduced.

The utility model aims to reasonably utilize flue gas at the tail of a boiler, heat desalted water and form steam, convey the steam into a deaerator by utilizing a heat conduction oil pump, heat the deaerator, remove oxygen and other gases dissolved in water supply, prevent and reduce corrosion of a water supply pipe, an economizer and other auxiliary equipment of the boiler, and enable a resource recycling system to reasonably utilize and supplement resources between the boiler and the deaerator to improve the utilization rate of the resources.

Disclosure of Invention

The utility model aims to provide a steam conveying device heated by utilizing boiler tail gas, which solves the technical problems that the heat at the tail of a boiler cannot be reasonably utilized and a good resource circulation system cannot be formed with a deaerator.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the steam conveying device heated by utilizing the tail gas of the boiler comprises a water inlet pump, wherein a water inlet pipe is connected to a water inlet of the water inlet pump, a water inlet pipe is connected to a water outlet of the water inlet pump, and a water diversion pipe is connected to the other end of the water inlet pipe; the water diversion pipe; the water diversion pipe is connected with two multi-medium filters; the other ends of the two multi-medium filters are connected with water collecting pipes; the water collecting pipe is connected with the desalting filter through a circulating pipe; the desalting filter is connected with the water inlet end of the water outlet pump through a water outlet pipe, and the water outlet end of the desalting filter is connected with a water outlet pipe; the drain pipe is connected with the heating tank;

the top of the heating tank is connected with a steam pipe, and the other end of the steam pipe is connected with a heat conduction oil pump; and the output end of the heat conduction oil pump is connected with a conveying pipe.

As a further technical scheme of the utility model, the water inlet pump and the water outlet pump are both fixed on the mounting frame; the water inlet pump and the water outlet pump are also electrically connected with the controller; the controller is fixed on the mounting frame.

As a further technical scheme of the utility model, the desalting filter and the two multi-medium filters are sequentially arranged from top to bottom and are fixed on the bracket, and the bracket is fixed on the mounting frame.

As a further technical scheme of the utility model, the heating tank is a hollow tank, a cavity heated by flue gas is formed, and a flue gas inlet pipe is welded outside the heating tank and is connected with a flue gas pipeline at the tail part of the boiler; the bottom of the heating tank is provided with a blow-down valve.

As a further technical scheme of the utility model, the conveying pipe is connected with a steam-water separator in series, the other end of the steam-water separator is connected with a steam conveying pipe, and the tail end of the steam conveying pipe is connected with a deaerator; the steam conveying pipe is connected with a booster pump in series.

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

1. when the deaerator is used, firstly, the water is pumped by the water inlet pump through the water inlet pipe, then is transmitted to the water distribution pipe through the water inlet pipe, is transmitted to the multi-medium filter, flows out of the water collecting pipe after being filtered by the multi-medium filter, and enters the desalination filter through the circulating pipe for desalination treatment, so that the steam for deaerator is desalted water steam;

2. according to the utility model, the desalted water flows out through the water outlet pipe, the water outlet pump conveys the water to the heating tank through the water outlet pipe, the flue gas at the tail part of the boiler enters the heating tank through the flue gas inlet pipe and heats the desalted water, the generated steam is pumped out through the steam pipe under the pumping of the heat conduction oil pump and is conveyed to the deaerator by the conveying pipe, the flue gas at the tail part of the boiler is reasonably utilized in the process, the waste of resources is reduced, and a resource recycling system which reasonably utilizes and supplements the resources is achieved between the boiler and the deaerator, so that the utilization rate of the resources is improved;

3. according to the utility model, the steam-water separator is connected in series on the conveying pipe, so that the water content in the steam can be reduced, the conveying efficiency of the steam is improved, the water residue in the pipeline is reduced, and the conveying efficiency of the steam is improved by matching with the arrangement of the booster pump.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of the right side structure of fig. 1 in the present utility model.

Fig. 3 is a schematic view of the rear structure of fig. 1 in the present utility model.

In the figure: 1-water inlet pump, 2-water inlet pipe, 3-water inlet pipe, 4-water distribution pipe, 5-multi-medium filter, 6-water collecting pipe, 7-circulating pipe, 8-desalination filter, 9-water outlet pipe, 10-water outlet pump, 11-water outlet pipe, 12-controller, 13-mounting bracket, 14-heating tank, 15-steam pipe, 16-heat conducting oil pump, 17-conveying pipe, 18-steam-water separator, 19-steam conveying pipe, 20-booster pump, 21-blow-down valve and 22-flue gas inlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in an embodiment of the present utility model, a steam delivery device for heating by using boiler tail gas includes a water inlet pump 1, a water inlet pipe 2 is connected to a water inlet of the water inlet pump 1, a water supply pipe 3 is connected to a water outlet, and a water diversion pipe 4 is connected to another end of the water supply pipe 3; the water diversion pipe 4; the water diversion pipe 4 is connected with two multi-medium filters 5; the other ends of the two multi-medium filters 5 are connected with water collecting pipes 6; the water collecting pipe 6 is connected with a desalting filter 8 through a circulating pipe 7; the desalination filter 8 is connected with the water inlet end of the water outlet pump 10 through the water outlet pipe 9, and the water outlet end is connected with the water outlet pipe 11; the drain pipe 11 is connected with the heating tank 14;

the top of the heating tank 14 is connected with a steam pipe 15, and the other end of the steam pipe 15 is connected with a heat conduction oil pump 16; the output end of the heat conduction oil pump 16 is connected with a conveying pipe 17.

Specifically, the water inlet pump 1 and the water outlet pump 10 are both fixed on the mounting frame 13; the water inlet pump 1 and the water outlet pump 10 are also electrically connected with the controller 12; the controller 12 is fixed on a mounting frame 13.

The desalting filter 8 and the two multi-medium filters 5 are sequentially arranged from top to bottom and are fixed on a bracket, and the bracket is fixed on a mounting frame 13.

Through adopting above-mentioned technical scheme, when using, at first intake pump 1 is through inlet tube 2 to the extraction of water, then transmits to distributive pipe 4 through water supply pipe 3 to in carrying to multi-media filter 5, after the filtration of multi-media filter 5, again by collector tube 6 outflow, and enter into in desalination filter 8 through circulating pipe 7 and carry out the desalination treatment, in order to guarantee that the steam that the deaerator was used is the demineralized water steam.

In this embodiment, the heating tank 14 is a hollow tank, which has a cavity heated by flue gas, and a flue gas inlet pipe 22 is welded outside the heating tank 14, and the flue gas inlet pipe 22 is connected with a flue gas pipeline at the tail of the boiler; the bottom of the heating tank 14 is provided with a drain valve 21.

Through adopting above-mentioned technical scheme, water after the desalination flows out through outlet pipe 9, outlet pump 10 passes through drain pipe 11 and carries water to heating jar 14, the flue gas of boiler afterbody enters into heating jar 14 through flue gas admission pipe 22, and heat the demineralized water, the steam that produces is taken out through steam pipe 15 under the extraction of heat conduction oil pump 16, and carry the deaerator gas by conveyer pipe 17, this process has carried out reasonable utilization to the afterbody flue gas of boiler, the waste of resource has been reduced, make a resource rational utilization and supplement one another's resource cyclic utilization system reach between boiler and the deaerator, thereby improve the utilization ratio of resource.

In this embodiment, the conveying pipe 17 is connected in series with a steam-water separator 18, the other end of the steam-water separator 18 is connected with a steam conveying pipe 19, and the tail end of the steam conveying pipe 19 is connected with a deaerator; the steam delivery pipe 19 is connected with a booster pump 20 in series.

More specifically, the steam-water separator 18 is connected in series to the conveying pipe 17, so that the water content in the steam can be reduced, the conveying efficiency of the steam is improved, the water content residue in the pipeline is reduced, and the conveying efficiency of the steam is improved by matching with the arrangement of the booster pump 20.

The working principle of the utility model is as follows: when the deaerator is used, firstly, the water is pumped by the water inlet pump 1 through the water inlet pipe 2, then is transmitted to the water distribution pipe 4 through the water inlet pipe 3, is conveyed into the multi-medium filter 5, flows out of the water collecting pipe 6 after being filtered by the multi-medium filter 5, and enters the desalination filter 8 through the circulating pipe 7 for desalination treatment, so that the steam for deaerator is the desalted water steam;

the desalted water flows out through the water outlet pipe 9, the water outlet pump 10 conveys the water to the heating tank 14 through the water outlet pipe 11, the flue gas at the tail of the boiler enters the heating tank 14 through the flue gas inlet pipe 22 and heats the desalted water, the generated steam is pumped out through the steam pipe 15 under the pumping of the heat conduction oil pump 16 and is conveyed to the deaerator by the conveying pipe 17, the flue gas at the tail of the boiler is reasonably utilized in the process, the waste of resources is reduced, and a resource recycling system which reasonably utilizes and complements the resources is achieved between the boiler and the deaerator, so that the utilization rate of the resources is improved; according to the utility model, the steam-water separator 18 is connected in series on the conveying pipe 17, so that the water content in the steam can be reduced, the conveying efficiency of the steam is improved, the water residue in the pipeline is reduced, and the conveying efficiency of the steam is improved by matching with the arrangement of the booster pump 20.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a utilize steam delivery device of boiler tail gas heating which characterized in that: comprises a water inlet pump (1), a water inlet pipe (2) is connected at the water inlet of the water inlet pump (1), a water supply pipe (3) is connected at the water outlet, and a water diversion pipe (4) is connected at the other end of the water supply pipe (3); the water diversion pipe (4); the water diversion pipe (4) is connected with two multi-medium filters (5); the other ends of the two multi-medium filters (5) are connected with water collecting pipes (6); the water collecting pipe (6) is connected with the desalting filter (8) through a circulating pipe (7); the desalting filter (8) is connected with the water inlet end of the water outlet pump (10) through a water outlet pipe (9), and the water outlet end is connected with a water outlet pipe (11); the drain pipe (11) is connected with the heating tank (14);

the top of the heating tank (14) is connected with a steam pipe (15), and the other end of the steam pipe (15) is connected with a heat conduction oil pump (16); the output end of the heat conduction oil pump (16) is connected with a conveying pipe (17).

2. The steam delivery device heated by boiler tail gas as claimed in claim 1, wherein: the water inlet pump (1) and the water outlet pump (10) are both fixed on the mounting frame (13); the water inlet pump (1) and the water outlet pump (10) are also electrically connected with the controller (12); the controller (12) is fixed on the mounting frame (13).

3. The steam delivery device heated by means of boiler tail gas according to claim 2, wherein: the desalting filter (8) and the two multi-medium filters (5) are sequentially arranged from top to bottom and are fixed on the bracket, and the bracket is fixed on the mounting frame (13).

4. A steam delivery device heated by boiler tail gas as claimed in claim 3, wherein: the heating tank (14) is a hollow tank, a cavity heated by smoke is formed in the heating tank, a smoke inlet pipe (22) is welded outside the heating tank (14), and the smoke inlet pipe (22) is connected with a boiler tail smoke pipeline; the bottom of the heating tank (14) is provided with a blow-down valve (21).

5. The steam delivery device heated by boiler tail gas as claimed in claim 1, wherein: the conveying pipe (17) is connected with a steam-water separator (18) in series, the other end of the steam-water separator (18) is connected with a steam conveying pipe (19), and the tail end of the steam conveying pipe (19) is connected with a deaerator; the steam conveying pipe (19) is connected with a booster pump (20) in series.