CN216557094U

CN216557094U - Boiler auxiliary system

Info

Publication number: CN216557094U
Application number: CN202122392291.1U
Authority: CN
Inventors: 林晓毅
Original assignee: Chongqing Zhongminggangqiao Environmental Protection Co ltd
Current assignee: Chongqing Zhongminggangqiao Environmental Protection Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-05-17
Anticipated expiration: 2031-09-30

Abstract

The utility model provides a boiler auxiliary system, which comprises a deaerator, a steam condenser and a medicament preparation tank, wherein the input end of the deaerator is connected with a secondary air heater, a flue gas heater, a steam distributing cylinder, a soft water pump, a waste liquid tank and a urea tank through pipelines; the input end of the steam condenser is connected with the steam distributing cylinder through a pipeline, and the output end of the steam condenser is connected with the deaerator through a pipeline; the input end of the agent preparation tank is connected with a flue gas heater and a soft water pump through a pipeline, and the output end of the agent preparation tank is connected with a boiler through a pipeline; the utility model removes oxygen from the water flowing into the boiler, eliminates calcium, magnesium ions and silicate in the water, reduces the hardness of the water, prevents scaling phenomenon, ensures that the pH value of the water is alkaline, and prevents metals from being corroded.

Description

Boiler auxiliary system

Technical Field

The utility model relates to the technical field of incineration disposal workshops, in particular to a boiler auxiliary system.

Background

At present, water used by a boiler needs to be treated to a certain extent, untreated water is easy to generate scale, and the scale can cause a plurality of damages to the boiler. For example, the untreated water, the dissolved oxygen in the water can corrode metals, and corrosion products form copper and iron scales at the position with higher heat load of the boiler, so that the heat transfer of the boiler is deteriorated, and even the tube explosion is caused; the untreated water contains calcium and magnesium ions, so that the water has high hardness and is easy to scale, and the water with high hardness is likely to explode at a high temperature; meanwhile, a large amount of silicate is easily generated along with the evaporation of water vapor in the boiler, so that the pH value of water is influenced, metal is easily corroded, and the boiler is also scaled.

Therefore, those skilled in the art have been devoted to develop a boiler auxiliary system which is reasonable in design, can treat water used in a boiler, and has high treatment efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide a system capable of treating water used in a boiler with high treatment efficiency.

In order to achieve the purpose, the utility model provides a boiler auxiliary system which comprises a deaerator, a steam condenser and a medicament preparation tank, wherein the input end of the deaerator is connected with a secondary air heater, a flue gas heater, a steam distributing cylinder, a soft water pump, a waste liquid tank and a urea tank through pipelines, and the output end of the deaerator is connected with a boiler through a pipeline; the input end of the steam condenser is connected with the steam distributing cylinder through a pipeline, and the output end of the steam condenser is connected with the deaerator through a pipeline; the input end of the agent preparation tank is connected with a flue gas heater and a soft water pump through a pipeline, and the output end of the agent preparation tank is connected with a boiler through a pipeline.

According to some embodiments of the utility model, two steam output pipes are connected to the output end of the steam-dividing cylinder, and the far ends of the two steam output pipes are respectively connected with two vertically paired steam input ports on the deaerator.

According to some embodiments of the utility model, the output end of the deaerator is connected with a first main output pipeline, the far end of the first main output pipeline is connected with two first branch output pipelines, the far ends of the two first branch output pipelines are gathered together to form the output end and are used for being connected with a boiler, and a flange gate valve, a pipeline Y-shaped filter, a boiler feed pump, a flange check valve and a flange gate valve are respectively and sequentially arranged on the two first branch output pipelines along the flowing direction of liquid inside the two first branch output pipelines.

According to some embodiments of the utility model, the output ends of the connecting pipelines of the deaerator and the boiler are two, wherein one output end is connected with the boiler, and the other output end is connected with the input end of the deaerator.

According to some embodiments of the utility model, three fans are arranged at the lower end of the steam condenser and side by side in the longitudinal direction thereof.

According to some embodiments of the utility model, an electric stirrer is provided within the medicament preparation tank.

According to some embodiments of the present invention, the outlet of the chemical preparation tank is connected to a second main outlet pipe, and two second outlet branch pipes are connected to a distal end of the second main outlet pipe, and distal ends of the two second outlet branch pipes are gathered together to form an outlet and used for connecting to a boiler, and a flange ball valve, a pipe Y-shaped filter, a boiler feed pump, a flange check valve and a flange ball valve are respectively and sequentially arranged on the two second outlet branch pipes along a flow direction of liquid therein.

According to some embodiments of the utility model, valves are disposed on the deaerator, the steam condenser and the pipe.

The utility model has the beneficial effects that: the utility model carries out deoxidization on water flowing into the boiler, eliminates calcium, magnesium ions and silicate in the water, reduces the hardness of the water, prevents scaling phenomenon, ensures that the pH value of the water is alkaline, prevents metal from being corroded, is connected with external equipment through a pipeline, is provided with a valve, controls the water flowing into the boiler through the control of the valve and the matching, prevents untreated water from causing harm to the boiler, and prolongs the service life of the boiler.

Drawings

FIG. 1 is a schematic connection diagram of the present invention;

FIG. 2 is a schematic diagram of the connection of the deaerator of the present invention;

FIG. 3 is a schematic view of the connection of the steam condenser of the present invention;

figure 4 is a schematic view of the connection of the medicament dispensing canister of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 4, an auxiliary system of a boiler comprises a deaerator 1, a steam condenser 2 and a chemical preparation tank 3, wherein the input end of the deaerator 1 is connected with a secondary air heater 4, a flue gas heater 5, a steam distributing cylinder 6, a soft water pump 7, a waste liquid tank 8 and a urea tank 9 through pipelines, water used by the boiler 10 is deaerated through the deaerator to prevent dissolved oxygen in the water from corroding metal, and the output end of the deaerator 1 is connected with the boiler 10 through a pipeline; the input end of the steam condenser 2 is connected with the steam distributing cylinder 6 through a pipeline, the steam condenser 2 can remove calcium and magnesium ions in water and remove algae and solid suspended matters in water, and the output end of the steam condenser 2 is connected with the deaerator 1 through a pipeline; the input end of the agent preparation tank 3 is connected with a flue gas heater 5 and a soft water pump 7 through pipelines, the output end of the agent preparation tank 3 is connected with a boiler 10 through a pipeline, trisodium phosphate can be added into the agent preparation tank 3 through manpower, the pH value of water can be adjusted, scaling can be prevented, and metal can be prevented from being corroded.

The deaerator 1 is provided with an angle safety valve for safety, and the deaerator 1 is further provided with a centralized pressure gauge, an on-site pressure gauge, a centralized thermometer and an on-site thermometer for accurately collecting various data.

The connecting pipeline of the deaerator 1 and the steam distributing cylinder 6 is divided into two sections, the two sections of pipelines are connected with the input end of the deaerator 1, three flange gate valves are arranged on one section of pipeline, an internal thread gate valve is arranged between the two flange gate valves, a flange stop valve is arranged on the two flange gate valves and the internal thread gate valve in parallel, and the other flange gate valve is connected with a drain valve and used for discharging unused gas; and a flange gate valve and a flange stop valve are arranged on the other section of pipeline in series.

In order to guarantee the liquid output of oxygen-eliminating device 1, 1 output of oxygen-eliminating device is connected with first output trunk line, be connected with two first output branch road pipelines at first output trunk line distal end, two first output branch road pipeline distal ends are gathered together and are formed the output and be used for linking to each other with boiler 10, on two first output branch road pipelines and along its inside liquid flow direction separately flange gate valve 11 has set gradually, pipeline Y shape filter 12, boiler feed pump 13, flange check valve 14 and flange gate valve 11, the output of convenient control water simultaneously.

In order to prevent water from being untreated and enable the water to be circularly treated, two output ends of a connecting pipeline of the deaerator 1 and the boiler 10 are arranged, one output end is connected with the boiler 10, and the other output end is connected with the input end of the deaerator 1.

In order to prevent steam from being adsorbed on the steam condenser 2, three fans 15 are arranged at the lower end of the steam condenser 2 and side by side in the longitudinal direction thereof.

In order to stir the mixed solution more uniformly, an electric stirrer 16 is provided in the drug preparation tank 3.

In order to guarantee the output quantity and the convenient control of

medicament preparation jar

3, 3 output ends of medicament preparation jar are connected with second output trunk line, be connected with two second output branch pipeline at second output trunk line distal end, two second output branch pipeline distal ends are gathered together and are formed the output and be used for being connected with boiler 10, on two second output branch pipeline and along its inside liquid flow direction have set gradually flange ball valve 17 respectively, pipeline Y shape filter 12, boiler feed pump 13, flange check valve 14 and flange ball valve 17.

In order to control the flow of liquid and gas conveniently, the pipeline is also provided with a valve.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A boiler auxiliary system is characterized in that: the method comprises the following steps:

the system comprises a deaerator (1), wherein the input end of the deaerator (1) is connected with a secondary air heater (4), a flue gas heater (5), a steam distributing cylinder (6), a soft water pump (7), a waste liquid tank (8) and a urea tank (9) through pipelines, and the output end of the deaerator (1) is connected with a boiler (10) through a pipeline;

the input end of the steam condenser (2) is connected with the steam distributing cylinder (6) through a pipeline, and the output end of the steam condenser (2) is connected with the deaerator (1) through a pipeline;

the device comprises a medicament preparation tank (3), wherein the input end of the medicament preparation tank (3) is connected with a flue gas heater (5) and a soft water pump (7) through a pipeline, and the output end of the medicament preparation tank (3) is connected with a boiler (10) through a pipeline.

2. The boiler auxiliary system of claim 1, wherein: the output end of the steam distributing cylinder (6) is connected with two steam output pipelines, and the far ends of the two steam output pipelines are respectively connected with two vertically paired steam input ports on the deaerator (1).

3. The boiler auxiliary system of claim 1, wherein: the output of deaerator (1) is connected with first output trunk line, is connected with two first output branch road pipelines at first output trunk line distal end, and two first output branch road pipeline distal ends are gathered together and are formed the output and be used for linking to each other with boiler (10), have set gradually flange gate valve (11), pipeline Y shape filter (12), boiler feed pump (13), flange check valve (14) and flange gate valve (11) separately on two first output branch road pipelines and along its inside liquid flow direction.

4. The boiler auxiliary system of claim 1, wherein: the output ends of the connecting pipelines of the deaerator (1) and the boiler (10) are two, one output end is connected with the boiler (10), and the other output end is connected with the input end of the deaerator (1).

5. The boiler auxiliary system of claim 1, wherein: and three fans (15) are arranged at the lower end of the steam condenser (2) side by side along the longitudinal direction of the steam condenser.

6. The boiler support system as set forth in claim 1, wherein: an electric stirrer (16) is arranged in the medicament preparation tank (3).

7. The boiler auxiliary system of claim 1, wherein: the output end of the medicament preparation tank (3) is connected with a second output main pipeline, two second output branch pipelines are connected to the far end of the second output main pipeline, the far ends of the two second output branch pipelines are gathered together to form an output end and are used for being connected with a boiler (10), and a flange ball valve (17), a pipeline Y-shaped filter (12), a boiler water feeding pump (13), a flange check valve (14) and a flange ball valve (17) are sequentially arranged on the two second output branch pipelines and along the flowing direction of liquid inside the two second output branch pipelines.

8. A boiler auxiliary system according to any one of claims 1 to 7, characterized by: valves are arranged on the deaerator (1), the steam condenser (2) and the pipeline.