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Silencer typeBlow pipe silencer源頭廠家規(guī)格參數(shù)
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Blow pipe silencer
Blow pipe silencer
Blow pipe silencer
Blow pipe silencer

Blow pipe silencer

Blow pipe silencers can be used to eliminate the noise generated by boilers and pipelines during blowing. Box type blow pipe silencers are divided into upper exhaust and partial exhaust, with the upper exhaust type being a box structure and the partial exhaust type being a circular structure.
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Introduction to blow pipe muffler:


Blow pipe silencers can be used to eliminate the noise generated by boilers and pipelines during blowing. For example, after the installation or repair of a thermal power unit is completed and put into operation, in order to ensure the safe and economic operation of the unit, steam blowing is necessary to remove rust, welding slag, and other debris inside the superheater and reheater systems and pipelines. Under the influence of high-temperature steam flow, it is safely collected and eliminated through a second flushing pipe. At the same time as blowing the pipe, strong steam is sprayed out from the pipe mouth. Due to the impact and shear of the steam flow on the air around the pipe mouth, it generates noise of up to 160dB (A), which seriously affects the daily life and physical and mental health of residents within a few square kilometers, causes pollution to the environment, and poses a threat to human safety and equipment safety when debris is carried out by the steam flow. In order to address the above issues, we have studied and manufactured a blow pipe muffler.


Research on blow pipe silencers:


The complexity of blow pipe pipelines makes it a complex problem to determine the steam parameters of the pipeline system. In addition, the steam flow rate inside the pipeline is very high, and the high-speed airflow is mixed with a large amount of rust, welding slag, and other industrial waste. To achieve certain noise reduction results, high requirements are put forward for the design and production of silencers. After years of research and international production experience, our company's blow pipe muffler has become a complete product, capable of withstanding strong impacts from various industrial waste and being discharged smoothly.


Purpose of blow pipe silencer:


After the installation or restoration of thermal power generation units and their operation, in order to ensure the safe and economical operation of the units, steam blowing is necessary to remove industrial debris such as rust, welding slag, and other debris inside the pipelines of the superheater and reheater systems. Therefore, a blowing pipe muffler must be used.


Outline of various types of blow pipe silencers -


(1) The box type blow pipe muffler structure is divided into upper exhaust and partial exhaust. The upper exhaust type is a box structure, and the partial exhaust type is a circular structure. The structure form is shown in the schematic diagram.


Research on blow pipe silencers:


The complexity of blow pipe pipelines makes it a complex problem to determine the steam parameters of the pipeline system. In addition, the steam flow rate inside the pipeline is very high, and the high-speed airflow is mixed with a large amount of rust, welding slag, and other industrial waste. To achieve certain noise reduction results, high requirements are put forward for the design and production of silencers. After years of research and international production experience, our company's blow pipe muffler has become a complete product, capable of withstanding strong impacts from various industrial waste and being discharged smoothly.


Purpose of blow pipe silencer:


After the installation or restoration of thermal power generation units and their operation, in order to ensure the safe and economical operation of the units, steam blowing is necessary to remove industrial debris such as rust, welding slag, and other debris inside the pipelines of the superheater and reheater systems. Therefore, a blowing pipe muffler must be used.


Outline of various types of blow pipe silencers -


(1) The box type blow pipe muffler structure is divided into upper exhaust and partial exhaust. The upper exhaust type is a box structure, and the partial exhaust type is a circular structure. The structure form is shown in the schematic diagram.


Blow pipe silencer structure - schematic diagram


(2) The pipe type blow pipe muffler is equipped with an elbow for exhaust, and the structure is shown in the schematic diagram.


Blow pipe muffler structure - schematic diagram


Blow pipe silencer - outlet:


With the rapid development of the power industry, the capacity of power units continues to increase. In order to ensure the safe and economic operation of thermal power generation units, it is necessary to blow through the main steam pipeline, superheater and other pipelines, so that a large amount of rust, welding slag, iron oxide and other debris inside the pipeline can be safely collected and discharged through secondary flushing under the influence of high-temperature steam flow. At the same time as blowing the pipe, strong steam is sprayed out from the pipe mouth. Due to the impact and shear of the steam flow on the air around the pipe mouth, it generates noise of up to 160dB (A), which seriously affects the daily life and physical and mental health of residents within a few square kilometers, causes pollution to the environment, and poses a threat to human safety and equipment safety due to the debris carried out by the steam flow. In order to address the above issues and achieve the function of reducing noise and collecting debris from industrial waste, our company has developed a boiler blowing pipe muffler after years of practical research.


Blowpipe Silencer Technology -:


(1) The blow pipe muffler has a large noise reduction capacity, with a noise reduction of up to 25dB to 30dB (A).


(2) Blow pipe silencers can withstand strong impacts from various industrial waste and discharge them smoothly. They can also work normally under poor working conditions without affecting the steam flow rate in the blowing pipeline.


(3) Blow pipe silencers are suitable for various blowing methods, including pressure stabilizing blowing, pressure reducing blowing, and oxygenated blowing.


(4) The installation of blow pipe silencers is convenient (generally requires horizontal installation of the foundation), and can be divided into indoor and outdoor blow pipes.


(5) The support of the blow pipe muffler shell and the connecting components with the shell have sufficient stiffness and strength, with a reasonable structure design, and can withstand various additional forces such as exhaust reaction force, thermal expansion force, torque, and vibration force caused by high-speed airflow carrying debris.


Blow pipe silencer - outlet -:


1. Blow pipe muffler - Part - Choke tube material selection: 0Cr18Ni9, Second - Choke tube, shell material selection: 20g or 16MnR or stainless steel material, optional.


2. Blow pipe silencers are suitable for poor working environments, with working media that can contain water, iron impurities (particle size up to ▽ 30mm), and engineering materials.


3. The noise reduction of the blow pipe muffler can reach 20dB to 40 dB (A). Applicable to (blowing method): stabilized blowing, depressurized blowing, and oxygenated blowing.


4. When designing and manufacturing blow pipe silencers, it is necessary to refer to the technical regulations of GB 150-1998 Steel Pressure Vessels. To ensure the safe use of silencers, measures and requirements for strength, differential expansion, displacement, drainage, rust allowance, and protection against blocky debris need to be formulated and met in the structure. The manufacturing of silencers should be supervised and inspected by the design and superv刪除ry personnel.


Working principle of blow pipe muffler:


1. The blow pipe muffler adopts a combination of pressure reduction, flow control, anti spray resistance, and absorption composite, which has a wide frequency band noise reduction function. It strengthens the anti spray resistance and noise reduction mechanism in structure, achieving the desired sound reduction effect.


2. The debris and industrial waste inside the blown pipeline are collected and discharged through impact under the high-speed washing of high-temperature steam.


3. Using a water spray device to achieve temperature and pressure reduction.


4. Blow pipe silencers use different temperature and pressure materials according to different pressures and temperatures.


5. Blow pipe muffler structure - compact, safe, and reliable.


6. Blow pipe silencer consumption: ≥ 35dB (A)


Blowpipe Silencer - Inspection and Manufacturing Standards:


a) Made according to the Steel Pressure Vessel Standard


b) According to GB12349-94 standard and DCT5047-95 Technical Specification for Construction and Acceptance of Electric Power Construction-


c) According to the "Manual for Starting Steam Blowing of Thermal Power Units" 1998 edition-


d) Welding process shall be in accordance with Welding Procedure Qualification-


e) According to the "Adjustment and Trial Operation of Thermal Power Engineering - Inspection and Evaluation Standards"-


f) According to DT/L852-2004 Boiler Startup and Debugging Manual-


Main required parameters for blow pipe sterilizers:


1. Pressure: Mpa


2. Temperature: ℃


3. Exhaust volume: T/H


4. Noise reduction: 35dB (A)


5. Caliber: mm


6. Pressure resistance: ≤ 800Pa


Specification of blow pipe muffler:


Design according to the caliber provided by the user.


Instructions for ordering blow pipe silencers:


When ordering blow pipe silencers, the following information must be provided:


1. Blowing tube gas pressure and temperature.


2. Blow pipe diameter and wall thickness.


3. Emissions.


Blow pipe silencer - specific instructions:


The large-scale blow pipe silencer produced by our unit has been successfully used in 300000 to 1 million units. The production of blow pipe silencers requires equipment such as a large plate rolling machine (capable of rolling 40mm), flaw detection equipment, large drilling machines, alloy steel plate welding heat treatment equipment, and welding rod ovens.


Supply scope of blow pipe muffler:


The scope of supply for blow pipe silencers is overall factory delivery.


Parameters and models of blow pipe muffler:

消聲器型號

消-器適用鍋爐參數(shù)

吹管消聲器規(guī)格及--

排汽壓力MPa

溫度℃

適-機組MW

排量t/h

總長 mm

排汽管徑mm

消聲量dB(A)

PG-200

0.1-12

0-540

6-20

150

2200

200

25-35

PG-300

10-30

200

2800

300

PG-400

20-50

300

3500

400

PG-500

30-100

400

3800

500

PG-600

50-200

800

4000

600

PG-700

100-300

1000

4580

700

PG-800

200-600

1500

4880

800

PG-900

300-600

1800

5890

900

PG-1000

300-1000

2300

6350

1000

PG-1100

300-1000

2500

6500

1100



產(chǎn)品動態(tài)

Blow pipe silencer源頭廠家Copyright ? 2012-2023 Lianyungang Lingdong Electromechanical Equipment Co., Ltd all rights reserved

Tel

0518-85370171

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