CN207146361U - A kind of Boiler Steam blow pipe system noise reduction gland steam exhauster - Google Patents

A kind of Boiler Steam blow pipe system noise reduction gland steam exhauster Download PDF

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Publication number
CN207146361U
CN207146361U CN201720764901.7U CN201720764901U CN207146361U CN 207146361 U CN207146361 U CN 207146361U CN 201720764901 U CN201720764901 U CN 201720764901U CN 207146361 U CN207146361 U CN 207146361U
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CN
China
Prior art keywords
steam
pressure
water
tube body
discharge tube
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Expired - Fee Related
Application number
CN201720764901.7U
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Chinese (zh)
Inventor
王增建
张乐天
刘志华
郭松涛
赵方渊
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China Datang Corp Science and Technology Research Institute Co Ltd Northwest Branch
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China Datang Corp Science and Technology Research Institute Co Ltd Northwest Branch
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Priority to CN201720764901.7U priority Critical patent/CN207146361U/en
Application granted granted Critical
Publication of CN207146361U publication Critical patent/CN207146361U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to boiler blow piping denoising device field, discloses a kind of Boiler Steam blow pipe system noise reduction gland steam exhauster, including:Steam discharge tube body and water tank;Multiple water jets are provided with the madial wall of the end of steam discharge tube body;Water tank is looped around on the lateral wall of the end of steam discharge tube body, and water jet is connected with the inside of water tank, and press water interface is provided with the lateral wall of water tank.The utility model proposes Boiler Steam blow pipe system noise reduction gland steam exhauster, noise caused by blowpipe discharge of steam can be reduced.

Description

A kind of Boiler Steam blow pipe system noise reduction gland steam exhauster
Technical field
The utility model belongs to boiler blow piping denoising device field, more particularly to a kind of Boiler Steam blow pipe system noise reduction Gland steam exhauster.
Background technology
Because the installation of boiler is needed by complicated technical process, and operating mode ring complicated when its transport and installation Border, so after boiler erection completion, meeting remaining has the debris such as iron filings, welding slag in its superheater, reheater and jet chimney, In order to ensure the cleannes into the Boiler Steam of steam turbine, blowpipe cleaning must be carried out to boiler before use, that is, utilize pot High temperature and high pressure steam caused by stove cleans remaining debris in boiler, and high temperature and high pressure steam during blowpipe can produce in discharge 140dB (A) left and right huge noise, and blowpipe clean generally require it is continual take several days the time, this can have a strong impact on The normal life and work of surrounding resident, the emission regulation of national correlation is not met yet, it is necessary to install corresponding HTHP row Vapour denoising device, but its flowing velocity of the high temperature and high pressure steam of blowpipe is very fast, and discharge in steam and carry debris, typically HTHP steam discharge denoising device and do not apply to.At present specifically for HTHP steam discharge denoising device, worn more using multistage The mode of orifice throttle decompression and the mode of micropore jet, generally existing problems with:During using multistage perforated plate reducing pressure by regulating flow, Steam can all cause larger vibration when passing through every layer of perforated plate, the vibration level of whole denoising device is higher and unmanageable;Adopt During with micropore jet, it has larger limitation to initial steam pressure;Both the above mode is directed to the less hole of diameter dimension, and blowpipe steams Debris can be carried in vapour, debris easily blocks aperture, and then may trigger security incident.
Utility model content
To solve problem above, the utility model proposes a kind of Boiler Steam blow pipe system noise reduction gland steam exhauster, can reduce Noise caused by blowpipe discharge of steam, and its vibration level is relatively low, has higher reliability and security.
In order to achieve the above object, the utility model is solved using following technical scheme.
A kind of Boiler Steam blow pipe system noise reduction gland steam exhauster, including:Steam discharge tube body and water tank;The steam discharge tube body End madial wall on be provided with multiple water jets;The water tank is looped around the lateral wall of the end of the steam discharge tube body On, the water jet is connected with the inside of the water tank, and press water interface is provided with the lateral wall of the water tank.
According to Boiler Steam blow pipe system noise reduction gland steam exhauster of the present utility model, one end of steam discharge tube body is into vapour Mouthful, steam discharge tube body connected by air intake with the steam drain of boiler, and the other end of steam discharge tube body is venthole, gland steam exhauster sheet Body is provided with multiple water jets on the madial wall close to one end of its venthole, and steam discharge tube body is close to one end of venthole Lateral wall on be surrounded with water tank, one end of water jet connects with the inside of steam discharge tube body, and the other end passes through gland steam exhauster The side wall of body and the side wall of water tank connect with the inside of water tank.During torch operation, the high temperature and high pressure steam edge row of boiler emission Steam pipe body flows to venthole from its air intake, and pressure cooling water enters water tank from press water interface, then passes through multiple water sprays Mouthful to steam discharge tube body internal spray, mixed by cooling water with high temperature and high pressure steam in steam discharge tube body, height can be reduced The temperature and pressure of warm high steam, the flowing velocity of steam is reduced, so as to reduce noise caused by its discharge.This practicality is new The Boiler Steam blow pipe system noise reduction gland steam exhauster that type proposes, the high temperature and high pressure steam cooling discharged during by cooling water by blowpipe Decompression, the flowing velocity of steam is reduced, so as to reduce noise caused by discharge of steam;It is free of choke block, can reduce discharge and steam Impact of the vapour to noise reduction gland steam exhauster, noise reduction steam discharge tube vibration is reduced, it is free of the less hole of diameter dimension, can prevent debris from blocking The generation of pipe condition, improve the reliability and security of noise reduction gland steam exhauster.
As preferable, the water jet is circumferentially distributed on the madial wall of the steam discharge tube body, on the water jet It is connected with atomizer.
According to Boiler Steam blow pipe system noise reduction gland steam exhauster of the present utility model, multiple water jets are centrally located at one In plane, the plane is vertical with the axis of steam discharge tube body, and the cooling water that water jet sprays can be made to be steamed from multiple directions and discharge Vapour contact mixing, one end that each water jet connects with gland steam exhauster body interior are provided with atomizer, it is possible to increase water jet sprays The coverage of the cooling water gone out, cooling water is sufficiently mixed with discharge steam, cooling of the cooling water to discharge steam can be improved Antihypertensive effect.
As preferable, the madial wall of the end stretching steam discharge tube body of the water jet, the court of the water jet Steam flow direction into the gland steam exhauster is identical.
According to Boiler Steam blow pipe system noise reduction gland steam exhauster of the present utility model, water jet connects with steam discharge tube body One end stretches out the madial wall of steam discharge tube body, and the water spraying direction of water jet flows to identical with steam in steam discharge tube body, can increase The distance that long cooling water contacts with discharge steam mixing, discharging the flowing of steam in addition can make to form negative pressure at water jet, favorably Sprayed in cooling water from water jet.
As preferable, pressure-detecting device is provided with the side wall of the steam discharge tube body, the press water interface leads to Pipeline is crossed with pressure water pump to be connected.
According to Boiler Steam blow pipe system noise reduction gland steam exhauster of the present utility model, pressure-detecting device and steam discharge tube body Inside connection, by pressure-detecting device can detect in steam discharge tube body discharge steam real-time pressure, press water interface one End is connected with the inside of water tank, and the other end is connected by pipeline with the delivery port of pressure water pump, can be to water tank by pressure water pump Inside it is pumped into the cooling water with certain pressure, it is ensured that cooling water smoothly can spray from water jet.
As preferable, in addition to pressure controller, the pressure-detecting device is pressure sensor, the Stress control The signal receiving end of device is connected with the signal output part of the pressure sensor, the signal output part of the pressure controller with The signal input part of the pressure water pump is connected.
According to Boiler Steam blow pipe system noise reduction gland steam exhauster of the present utility model, gland steam exhauster is detected by pressure sensor The real-time pressure of discharge steam, the pressure values for detecting to obtain pass to pressure control from the signal output part of pressure sensor in body The signal receiving end of device processed, pressure controller draws execute instruction after obtained detected value is analyzed, and passes through pressure controller Signal output part execute instruction passes to the signal receiving end of pressure water pump, pressure water pump is according to the execution of pressure controller The pressure of the cooling water of its output of instruction regulation, the real-time pressure of cooling water can be made to be more than the reality of discharge steam in steam discharge tube body When pressure, it is ensured that the normal injection of cooling water, improve the reliable of Boiler Steam blow pipe system noise reduction gland steam exhauster anti-acoustic capability Property.
Brief description of the drawings
The utility model is described in further details with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is a kind of complete section structural representation of embodiment of the utility model Boiler Steam blow pipe system noise reduction gland steam exhauster Figure.
In Fig. 1:1 steam discharge tube body;2 water jets;3 water tanks;4 press water interfaces;5 atomizers;6 pressure detectings fill Put;7 pressure water pumps.
Embodiment
With reference to figure 1, embodiment of the present utility model proposes a kind of Boiler Steam blow pipe system noise reduction gland steam exhauster, including: A kind of Boiler Steam blow pipe system noise reduction gland steam exhauster, including:Steam discharge tube body 1 and water tank 3;The end of steam discharge tube body 1 Multiple water jets 2 are provided with madial wall;Water tank 3 is looped around on the lateral wall of the end of steam discharge tube body 1, water jet 2 and water The inside of case 3 is connected, and press water interface 4 is provided with the lateral wall of water tank 3.
In the embodiment above, one end of steam discharge tube body 1 is air intake, and steam discharge tube body 1 passes through air intake and boiler Steam drain connection, the other end of steam discharge tube body 1 be venthole, and steam discharge tube body 1 is in one end of its close venthole Multiple water jets 2 are provided with side wall, steam discharge tube body 1 is surrounded with water tank on the lateral wall close to one end of venthole 3, one end of water jet 2 connects with the inside of steam discharge tube body 1, and the other end passes through the side wall of steam discharge tube body 1 and the side of water tank 3 Wall connects with the inside of water tank 3.During torch operation, the high temperature and high pressure steam of boiler emission is along steam discharge tube body 1 from its air intake Flow to venthole, pressure cooling water enters water tank 3 from press water interface 4, then by multiple water jets 2 to steam discharge tube body 1 Internal spray, mixed by cooling water and high temperature and high pressure steam in steam discharge tube body 1, the temperature of high temperature and high pressure steam can be reduced Degree and pressure, the flowing velocity of steam is reduced, so as to noise caused by reducing its discharge, noise can be brought down below 60dB (A) in the range of.The utility model proposes Boiler Steam blow pipe system noise reduction gland steam exhauster, discharge during by cooling water by blowpipe High temperature and high pressure steam decrease temperature and pressure, the flowing velocity of steam is reduced, from reducing noise caused by discharge of steam;In addition, it is not Containing perforated plate, reducing impact of the discharge steam to denoising device, slow down the vibration of denoising device, it is free of small hole size, The generation of debris obstruction pipe condition is not had, improves safety and reliability.
According to one embodiment of the present utility model, water jet 2 is circumferentially distributed on the madial wall of steam discharge tube body 1, spray Atomizer 5 is connected with the mouth of a river 2.
In the embodiment above, multiple water jets 2 are centrally located in a plane, the plane and steam discharge tube body 1 Axis is vertical, and this structure can make the cooling water that water jet 2 sprays contact mixing with discharge steam from multiple directions;Each water spray One end that mouth 2 connects with the inside of steam discharge tube body 1 are provided with atomizer 5, it is possible to increase the covering for the cooling water that water jet 2 sprays Scope, cooling water is sufficiently mixed with discharge steam, decrease temperature and pressure effect of the cooling water to discharge steam can be improved.
According to one embodiment of the present utility model, the madial wall of steam discharge tube body 1 is stretched out in the end of water jet 2, water spray Mouthfuls 2 it is identical towards the steam flow direction in gland steam exhauster.
In the embodiment above, the madial wall of steam discharge tube body 1 is stretched out in one end that water jet 2 connects with steam discharge tube body 1, The water spraying direction of water jet 2 with steam discharge tube body 1 steam flow to it is identical, can increase cooling water with discharge steam mixing away from From discharging the flowing of steam in addition can make to form negative pressure at water jet 2, be advantageous to cooling water and sprayed from water jet 2.
With reference to figure 1, according to one embodiment of the present utility model, pressure detecting is provided with the side wall of steam discharge tube body 1 Device 6, press water interface 4 are connected by pipeline with pressure water pump 7.
In the embodiment above, pressure-detecting device 6 connects with the inside of steam discharge tube body 1, passes through pressure-detecting device 6 The real-time pressure of discharge steam, the one end of press water interface 4 connect with the inside of water tank 3 in detectable steam discharge tube body 1, the other end Connected with the delivery port of pressure water pump 7 by pipeline, can be pumped into by pressure water pump 7 into water tank 3 with the cold of certain pressure But water, it is ensured that cooling water smoothly can spray from water jet 2.
According to one embodiment of the present utility model, in addition to pressure controller, pressure-detecting device 6 is pressure sensing Device, the signal receiving end of pressure controller are connected with the signal output part of pressure sensor, the signal output of pressure controller End is connected with the signal input part of pressure water pump 7.
In the embodiment above, the real-time pressure of discharge steam in steam discharge tube body 1 is detected by pressure sensor, will be examined The pressure values measured pass to the signal receiving end of pressure controller, pressure controller from the signal output part of pressure sensor Execute instruction is drawn after obtained detected value is analyzed, and is passed to execute instruction by the signal output part of pressure controller The signal receiving end of pressure water pump 7, pressure water pump 7 adjust the pressure of the cooling water of its output according to the execute instruction of pressure controller Power, the real-time pressure of cooling water can be made to be more than the real-time pressure of discharge steam in steam discharge tube body 1, it is ensured that the normal spray of cooling water Penetrate, improve the reliability of Boiler Steam blow pipe system noise reduction gland steam exhauster anti-acoustic capability.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.

Claims (5)

  1. A kind of 1. Boiler Steam blow pipe system noise reduction gland steam exhauster, it is characterised in that including:
    Steam discharge tube body (1), multiple water jets (2) are provided with the madial wall of the end of the steam discharge tube body (1);
    Water tank (3), the water tank (3) are looped around on the lateral wall of the end of the steam discharge tube body (1), the water jet (2) It is connected with the inside of the water tank (3), press water interface (4) is provided with the lateral wall of the water tank (3).
  2. 2. Boiler Steam blow pipe system noise reduction gland steam exhauster according to claim 1, it is characterised in that the water jet (2) it is circumferentially distributed on the madial wall of the steam discharge tube body (1), it is connected with atomizer (5) on the water jet (2).
  3. 3. Boiler Steam blow pipe system noise reduction gland steam exhauster according to claim 2, it is characterised in that the water jet (2) madial wall of the steam discharge tube body (1) is stretched out in end, the steam flow in the direction gland steam exhauster of the water jet (2) Direction is identical.
  4. 4. Boiler Steam blow pipe system noise reduction gland steam exhauster according to any one of claim 1 to 3, it is characterised in that Pressure-detecting device (6) is provided with the side wall of the steam discharge tube body (1), the press water interface (4) passes through pipeline and pressure Power water pump (7) is connected.
  5. 5. Boiler Steam blow pipe system noise reduction gland steam exhauster according to claim 4, it is characterised in that also including pressure control Device processed, the pressure-detecting device (6) are pressure sensor, the signal receiving end of the pressure controller and the pressure sensing The signal output part of device is connected, the signal input part of the signal output part of the pressure controller and the pressure water pump (7) It is connected.
CN201720764901.7U 2017-06-28 2017-06-28 A kind of Boiler Steam blow pipe system noise reduction gland steam exhauster Expired - Fee Related CN207146361U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720764901.7U CN207146361U (en) 2017-06-28 2017-06-28 A kind of Boiler Steam blow pipe system noise reduction gland steam exhauster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720764901.7U CN207146361U (en) 2017-06-28 2017-06-28 A kind of Boiler Steam blow pipe system noise reduction gland steam exhauster

Publications (1)

Publication Number Publication Date
CN207146361U true CN207146361U (en) 2018-03-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113375342A (en) * 2021-05-17 2021-09-10 华帝股份有限公司 Water atomization noise reduction assembly, water heater and control method of water atomization noise reduction assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113375342A (en) * 2021-05-17 2021-09-10 华帝股份有限公司 Water atomization noise reduction assembly, water heater and control method of water atomization noise reduction assembly

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180327

Termination date: 20180628

CF01 Termination of patent right due to non-payment of annual fee