CN207146359U - A kind of noise reduction gland steam exhauster being used in Boiler Steam blow pipe system - Google Patents

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

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Publication number
CN207146359U
CN207146359U CN201720764361.2U CN201720764361U CN207146359U CN 207146359 U CN207146359 U CN 207146359U CN 201720764361 U CN201720764361 U CN 201720764361U CN 207146359 U CN207146359 U CN 207146359U
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CN
China
Prior art keywords
steam
pressure
tube body
discharge tube
water jet
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Expired - Fee Related
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CN201720764361.2U
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Chinese (zh)
Inventor
赵方渊
刘志华
郭松涛
武岳
王文鼎
黄建军
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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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Abstract

The utility model belongs to boiler blow piping denoising device field, discloses a kind of noise reduction gland steam exhauster being used in Boiler Steam blow pipe system, including:Steam discharge tube body and pressure water pump;Water jet is provided with the side wall of the end of steam discharge tube body, the port of export of water jet stretches into the inside of steam discharge tube body, and the arrival end of water jet is located on the lateral wall of steam discharge tube body;The port of export of pressure water pump is connected by pipeline with water jet, and the pressure of supply water of pressure water pump is more than the intrinsic exhaust steam pressure of gland steam exhauster.The utility model proposes the noise reduction gland steam exhauster being used in Boiler Steam blow pipe system, the high temperature and high pressure steam decrease temperature and pressure discharged during by cooling water by blowpipe, the flowing velocity of discharge steam is reduced, so as to reduce noise caused by discharge of steam.

Description

A kind of noise reduction gland steam exhauster being used in Boiler Steam blow pipe system
Technical field
The utility model belongs to boiler blow piping denoising device field, more particularly to a kind of in Boiler Steam blow pipe system Noise reduction gland steam exhauster.
Background technology
Boiler for the first time assembling finish after, in order to ensure its provide Boiler Steam cleannes, it is necessary to its superheater, The debris such as remaining iron filings, welding slag is cleaned in reheater and jet chimney, utilizes HTHP caused by boiler to steam mostly Vapour cleans to debris remaining in boiler, i.e., blowpipe cleans, and high temperature and high pressure steam when blowpipe cleans can produce in discharge The huge noise of raw 140dB (A) left and right, and blowpipe clean generally require it is continual take several days the time, this can serious shadow The normal life and work of surrounding resident are rung, does not also meet the emission regulation of national correlation, it is necessary to install corresponding HTHP Steam discharge denoising device, but its flowing velocity of the high temperature and high pressure steam of blowpipe is very fast, and it is miscellaneous to carry iron filings etc. in discharge steam Thing, in general HTHP steam discharge denoising device do not apply to simultaneously.It is use at present specifically for HTHP steam discharge denoising device more The mode of multistage perforated plate reducing pressure by regulating flow and the mode of micropore jet, generally existing problems with:Throttled using multistage perforated plate During decompression, steam can all cause larger vibration when passing through every layer of perforated plate, the vibration level of whole denoising device is higher and is difficult to Control;During using micropore jet, it has larger limitation to initial steam pressure;And to be directed to diameter dimension less for both the above mode Hole, debris can be carried in blowpipe steam, debris is easier to block aperture, and then may trigger security incident.
Utility model content
For solve problem above, the utility model proposes it is a kind of be used for Boiler Steam blow pipe system in noise reduction gland steam exhauster, Noise caused by blowpipe discharge of steam can be reduced, there is higher reliability and security.
In order to achieve the above object, the utility model is solved using following technical scheme.
A kind of noise reduction gland steam exhauster being used in Boiler Steam blow pipe system, including:Steam discharge tube body and pressure water pump;It is described Water jet is provided with the side wall of the end of steam discharge tube body, the port of export of the water jet stretches into the interior of the steam discharge tube body Portion, the arrival end of the water jet are located on the lateral wall of the steam discharge tube body;The port of export of the pressure water pump passes through pipe Road is connected with the water jet, and the pressure of supply water of the pressure water pump is more than the intrinsic exhaust steam pressure of the gland steam exhauster.
According to the noise reduction gland steam exhauster of the present utility model being used in Boiler Steam blow pipe system, one end of steam discharge tube body is Steam inlet, steam discharge tube body are connected by steam inlet with the steam outlet of boiler, and the other end of steam discharge tube body is steaming Vapor outlet, steam discharge tube body are provided with multiple water jets, the outlet of water jet in the side wall close to one end of its steam (vapor) outlet The madial wall held through exhaust tube body stretches into gland steam exhauster body interior, and the arrival end of water jet passes through the outside of steam discharge tube body Wall connects with the port of export of pressure water pump.During torch operation, the high temperature and high pressure steam of boiler emission steams along steam discharge tube body from it Vapour entrance flows to steam (vapor) outlet, and cooling water enters the arrival end of water jet by pressure water pump, and the port of export of water jet will cool down For water to the internal spray of steam discharge tube body, the pressure that pressure water pump can make cooling water and have is more than the intrinsic steam discharge pressure of gland steam exhauster Power, it is ensured that cooling water normally can spray from water jet, can after cooling water mixes with high temperature and high pressure steam in steam discharge tube body The temperature and pressure of high temperature and high pressure steam are reduced, reduces the flowing velocity of steam, so as to reduce noise caused by its discharge.This The noise reduction gland steam exhauster being used in Boiler Steam blow pipe system that utility model proposes, the high temperature discharged during by cooling water by blowpipe High steam decrease temperature and pressure, the flowing velocity of discharge steam is reduced, so as to reduce noise caused by discharge of steam;It is without throttling Plate, reduce impact of the discharge steam to noise reduction gland steam exhauster, the vibration of noise reduction gland steam exhauster can be reduced, it is smaller without diameter dimension Hole, the generation of debris obstruction pipe condition can be prevented, improve the reliability and security of noise reduction gland steam exhauster.
As preferable, the quantity of the water jet is multiple, and multiple water jets are in the steam discharge tube body Axially it is distributed in side wall, atomizer is connected with each water jet.
According to the noise reduction gland steam exhauster of the present utility model being used in Boiler Steam blow pipe system, along gland steam exhauster in its side wall The axis direction of body sets multiple water jets, can reduce the temperature and pressure of discharge steam step by step, while also increases cold But the scope that water contacts with discharge steam mixing, atomizer is set by the port of export in each water jet, it is possible to increase water spray The coverage for the cooling water that mouth sprays, cooling water is set to be sufficiently mixed with discharge steam.
As preferable, pressure-detecting device, the pressure-detecting device are provided with the side wall of the steam discharge tube body The detector of setting is close to the water jet.
According to the noise reduction gland steam exhauster of the present utility model being used in Boiler Steam blow pipe system, pressure-detecting device is used for examining The pressure of discharge steam in steam discharge tube body is surveyed, the detector of pressure-detecting device can detect spray close to the port of export of water jet The pressure of discharge steam near the port of export at the mouth of a river, the pressure of pressure water pump offer is adjusted according to detected value, makes cooling water Pressure is more than the pressure of discharge steam, it is ensured that cooling water normally can spray from the port of export of 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 the noise reduction gland steam exhauster of the present utility model being used in Boiler Steam blow pipe system, detected by pressure sensor The real-time pressure of discharge steam, the pressure values for detecting to obtain pass to from the signal output part of pressure sensor in steam discharge tube body The signal receiving end of pressure controller, pressure controller draws execute instruction after obtained detected value is analyzed, and passes through pressure The signal output part of controller passes to execute instruction the signal receiving end of pressure water pump, and pressure water pump is according to pressure controller Execute instruction adjust its output cooling water pressure, can make cooling water real-time pressure be more than steam discharge tube body in discharge steam The real-time pressure of vapour, it is ensured that the normal injection of cooling water, improve the reliability of noise reduction gland steam exhauster anti-acoustic capability.
As preferable, the direction of the port of export of the water jet is identical with the intrinsic steam discharge direction of the gland steam exhauster.
According to the noise reduction gland steam exhauster of the present utility model being used in Boiler Steam blow pipe system, the spray of the port of export of water jet Water direction flows to identical with steam in steam discharge tube body, can increase cooling water with discharging the distance that contacts of mixing of steam, separately The flowing of outer discharge steam can make to form negative pressure at water jet, be advantageous to cooling water and sprayed from water jet.
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 that a kind of simplifying for the embodiment for the noise reduction gland steam exhauster that the utility model is used in Boiler Steam blow pipe system is tied Structure schematic diagram.
In Fig. 1:1 steam discharge tube body;2 water jets;3 pressure water pumps;4 atomizers;5 pressure-detecting devices;6 detections Head.
Embodiment
With reference to figure 1, embodiment of the present utility model proposes a kind of noise reduction gland steam exhauster being used in Boiler Steam blow pipe system, Including:Steam discharge tube body 1 and pressure water pump 3;Water jet 2 is provided with the side wall of the end of steam discharge tube body 1, water jet 2 The port of export stretches into the inside of steam discharge tube body 1, and the arrival end of water jet 2 is located on the lateral wall of steam discharge tube body 1;Pressure water pump 3 port of export is connected by pipeline with water jet 2, and the pressure of supply water of pressure water pump 3 is more than the steam discharge pressure in steam discharge tube body 1 Power.
In the embodiment above, one end of steam discharge tube body 1 is steam inlet, steam discharge tube body 1 by steam inlet with The steam outlet connection of boiler, the other end of steam discharge tube body 1 is steam (vapor) outlet, and steam discharge tube body 1 goes out close to its steam Multiple water jets 2 are provided with the side wall of one end of mouth, the madial wall of the port of export through the exhaust tube body of water jet 2 stretches into row Inside steam pipe body 1, the lateral wall of arrival end through the steam discharge tube body 1 of water jet 2 connects with the port of export of pressure water pump 3. During torch operation, the high temperature and high pressure steam of boiler emission flows to steam (vapor) outlet, cooling water along steam discharge tube body 1 from its steam inlet Enter the arrival end of water jet 2 by pressure water pump 3, the port of export of water jet 2 sprays cooling water to the inside of steam discharge tube body 1 Penetrate, pressure water pump 3 can make the pressure that cooling water has more than the exhaust steam pressure in steam discharge tube body 1, it is ensured that cooling water can be just Often sprayed from water jet 2, after cooling water mixes with high temperature and high pressure steam in steam discharge tube body 1, high temperature and high pressure steam can be reduced Temperature and pressure, the flowing velocity of steam is reduced, so as to reduce noise caused by its discharge.The utility model proposes use Noise reduction gland steam exhauster in Boiler Steam blow pipe system, the high temperature and high pressure steam cooling drop discharged during by cooling water by blowpipe Pressure, the flowing velocity of discharge steam is reduced, so as to reduce noise caused by discharge of steam;It is free of choke block, reduces discharge Impact of the steam to noise reduction gland steam exhauster, can reduce the vibration of noise reduction gland steam exhauster, and it is free of the less hole of diameter dimension, can prevent miscellaneous Thing blocks the generation of pipe condition, improves the reliability and security of noise reduction gland steam exhauster.
With reference to figure 1, according to one embodiment of the present utility model, the quantity of water jet 2 is multiple, and multiple water jets 2 exist Axially it is distributed on the madial wall of steam discharge tube body 1, atomizer 4 is connected with each water jet 2.
In the embodiment above, multiple water jets 2 are set along the axis direction of steam discharge tube body 1 in its side wall, can be with The temperature and pressure of discharge steam is reduced step by step, while also increases the scope that cooling water contacts with discharging steam mixing, is passed through Atomizer 4 is set in the port of export of each water jet 2, it is possible to increase the coverage for the cooling water that water jet 2 sprays, make cooling Water can be sufficiently mixed with discharge steam.
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 5, the detector 6 that pressure-detecting device 5 is set is close to water jet 2.
In the embodiment above, pressure-detecting device 5 is used for detecting the pressure of discharge steam in steam discharge tube body 1, pressure The detector 6 of detection means 5 can detect the pressure of the discharge steam near the port of export of water jet 2 close to the port of export of water jet 2 Power, the pressure of the offer of pressure water pump 3 is adjusted according to detected value, the pressure of cooling water is more than the pressure of discharge steam, it is ensured that Cooling water normally can spray from the port of export of water jet 2.
According to one embodiment of the present utility model, in addition to pressure controller, pressure-detecting device 5 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 3.
In the embodiment above, the real-time pressure of discharge steam in steam discharge tube body 1, detection are detected by pressure sensor Obtained pressure values pass to the signal receiving end of pressure controller from the signal output part of pressure sensor, and pressure controller will Execute instruction is drawn after obtained detected value analysis, and execute instruction is passed to by pressure by the signal output part of pressure controller The signal receiving end of power water pump 3, pressure water pump 3 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 noise reduction gland steam exhauster anti-acoustic capability.
With reference to figure 1, according to one embodiment of the present utility model, direction and the steam discharge tube body 1 of the port of export of water jet 2 Interior steam discharge direction is identical.
In the embodiment above, the water spraying direction of the port of export of water jet 2 flows to phase with steam in steam discharge tube body 1 Together, the distance that mixing of the cooling water with discharging steam contacts can be increased, discharging the flowing of steam in addition can make to be formed at water jet 2 Negative pressure, be advantageous to cooling water and sprayed from water jet 2.
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. noise reduction gland steam exhauster being used in Boiler Steam blow pipe system, it is characterised in that including:
    Steam discharge tube body (1), water jet (2), the water jet are provided with the side wall of the end of the steam discharge tube body (1) (2) the port of export stretches into the inside of the steam discharge tube body (1), and the arrival end of the water jet (2) is located at the gland steam exhauster sheet On the lateral wall of body (1);
    Pressure water pump (3), the port of export of the pressure water pump (3) are connected by pipeline with the water jet (2), the pressure The pressure of supply water of water pump (3) is more than the exhaust steam pressure in the steam discharge tube body (1).
  2. 2. the noise reduction gland steam exhauster according to claim 1 being used in Boiler Steam blow pipe system, it is characterised in that the spray The quantity at the mouth of a river (2) is multiple, and multiple water jets (2) are axially distributed on the madial wall of the steam discharge tube body (1), often Atomizer (4) is all connected with the individual water jet (2).
  3. 3. the noise reduction gland steam exhauster according to claim 2 being used in Boiler Steam blow pipe system, it is characterised in that the row Pressure-detecting device (5) is provided with the side wall of steam pipe body (1), the detector (6) that the pressure-detecting device (5) is set leans on The nearly water jet (2).
  4. 4. the noise reduction gland steam exhauster according to claim 3 being used in Boiler Steam blow pipe system, it is characterised in that also include Pressure controller, the pressure-detecting device (5) are pressure sensor, the signal receiving end of the pressure controller and the pressure The signal output part of force snesor is connected, the signal of the signal output part of the pressure controller and the pressure water pump (3) Input is connected.
  5. 5. the noise reduction gland steam exhauster according to any one of claim 1 to 4 being used in Boiler Steam blow pipe system, its feature It is, the direction of the port of export of the water jet (2) is identical with the steam discharge direction in the steam discharge tube body (1).
CN201720764361.2U 2017-06-28 2017-06-28 A kind of noise reduction gland steam exhauster being used in Boiler Steam blow pipe system Expired - Fee Related CN207146359U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720764361.2U CN207146359U (en) 2017-06-28 2017-06-28 A kind of noise reduction gland steam exhauster being used in Boiler Steam blow pipe system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720764361.2U CN207146359U (en) 2017-06-28 2017-06-28 A kind of noise reduction gland steam exhauster being used in Boiler Steam blow pipe system

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Publication Number Publication Date
CN207146359U true CN207146359U (en) 2018-03-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113251316A (en) * 2021-04-06 2021-08-13 宁夏弘茂特种设备检验检测有限公司 Multifunctional exhaust pipeline
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113251316A (en) * 2021-04-06 2021-08-13 宁夏弘茂特种设备检验检测有限公司 Multifunctional exhaust pipeline
CN113251316B (en) * 2021-04-06 2023-10-27 宁夏弘茂特种设备检验检测有限公司 Multifunctional exhaust pipeline
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