CN211477494U - Anti-blocking back-blowing device system for air source type pressure-stabilizing dry fluid measurement - Google Patents

Anti-blocking back-blowing device system for air source type pressure-stabilizing dry fluid measurement Download PDF

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Publication number
CN211477494U
CN211477494U CN202020387985.9U CN202020387985U CN211477494U CN 211477494 U CN211477494 U CN 211477494U CN 202020387985 U CN202020387985 U CN 202020387985U CN 211477494 U CN211477494 U CN 211477494U
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pressure
pipe
sample chamber
device system
fluid measurement
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CN202020387985.9U
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Chinese (zh)
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张福建
程玲玲
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Shandong Youst Environmental Protection Technology Co ltd
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Nanjing Tongluo Automation Technology Co ltd
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Abstract

The utility model discloses a dry fluid measurement of air supply type steady voltage prevents stifled blowback and sweeps device system relates to accurate measurement instrument technical field, is difficult to adapt to many dust environment, the unsafe problem of measuring result to current wind pressure measuring device, now proposes following scheme, including the sample chamber, the below welding in sample chamber has mounting flange, mounting flange's below is equipped with the installation lower flange, the below fixedly connected with protective ceramic of installation lower flange, protective ceramic's outer lane is equipped with by the measuring device, the welding of one side in sample chamber has steady voltage mouth, the other end fixedly connected with of steady voltage mouth draws the pipe, the top fixed mounting in sample chamber has anti-purging pipe. The utility model discloses simple structure is novel, and the measuring result is accurate, can the intraductal wind pressure of regulating control, carries out the loss prevention protection to the sample chamber, improves the life in sample chamber, and the convenient measuring result of installation is accurate, is fit for carrying out marketing.

Description

Anti-blocking back-blowing device system for air source type pressure-stabilizing dry fluid measurement
Technical Field
The utility model relates to an accurate measurement instrument technical field especially relates to a stifled blowback is prevented to dry fluid measurement of air supply type steady voltage sweeps device system.
Background
In the production and operation process of the coal-fired boiler, in order to ensure the normal operation of the coal-fired boiler, the pressure of a hearth needs to be effectively monitored in real time in the operation process of the boiler, and therefore, the coal-fired boiler is provided with a wind pressure measuring device. The traditional wind pressure measuring device can only measure a single point, the lower end of the sampling cavity is unprotected and easy to wear, and the sampling cavity is easy to damage after being used for a long time, so that the sampling cavity is blocked. Under the multi-dust monitoring environment such as inside the coal-fired boiler, the dust accumulated at the pipe orifice of the pressure sampling pipe needs to be swept through the air flow in the blowback sweeping pipe. Because the air blowing pipe is inserted into the back blowing sweeping pipe, if the air flow entering the air blowing pipe is too large, the pressure value obtained by the pressure obtaining pipe is inaccurate; if the air flow entering the air blowing pipe is too small, dust collection at the pipe orifice of the pressure taking pipe cannot be blown off, and the pressure taking pipe can be blocked up in the past, so that the long-term stable operation of the boiler is influenced. Therefore, an air source type pressure-stabilizing dry fluid measurement anti-blocking back-flushing device system is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of dry fluid measurement of air supply type steady voltage prevents stifled anti-purging device system has solved current wind pressure measuring device and has been difficult to adapt to many dust environment, the unsafe problem of measuring result.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an air supply type steady voltage dry fluid measurement prevents stifled anti-device system that sweeps, includes the sample chamber, the below welding in sample chamber has mounting flange, mounting flange's below is equipped with installation lower flange, the below fixedly connected with protective ceramics of installation lower flange, protective ceramics's outer lane is equipped with by the survey device, the welding of one side in sample chamber has the steady voltage mouth, the other end fixedly connected with of steady voltage mouth draws the pressure pipe, the top fixed mounting in sample chamber has anti-sweeping pipe, anti-sweeping pipe's other end fixed mounting has glass rotameter, one side of glass rotameter is equipped with the filtration relief pressure valve, it is equipped with the filtration filter core to filter the relief pressure valve below, the filtration relief pressure valve is kept away from one side of glass rotameter and is installed the air supply pipe.
Preferably, the input end of the filtering and pressure reducing valve is fixedly connected with the air source pipe through a valve, and the output end of the filtering and pressure reducing valve is connected with the input end of the glass rotameter.
Preferably, the reverse purging pipe is communicated with the pressure guiding pipe, and the reverse purging pipe and the pressure guiding pipe can be simultaneously expanded and connected in multiple points.
Preferably, the pressure stabilizing port is welded with one side of the sampling cavity, and the pressure stabilizing port is obliquely arranged.
Preferably, the protective ceramic is welded with the inner wall of the tested device, and the protective ceramic is thickened protective ceramic.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation sample chamber, the pressure stabilizing port, installation lower flange, mounting flange, protective ceramics, the pressure-leading pipe, the blowback is swept the pipe, the device under test, the filtration relief pressure valve, glass rotameter, filter core and gas source pipe isotructure, wherein through adjusting the pressure regulating pipe and sampling the distance of mouth of pipe change gaseous sectional area through the pressure-taking pipe, make gaseous dynamic pressure and the gaseous resistance that flows through the pressure regulating pipe produced equal, guarantee that the gas pressure that gets into adjusting bolt offside is the true pressure in pipeline or furnace, the measuring result is accurate reliable, and can in time feed back the pressure variation; the pressure taking port is far away from the air duct hearth, and dust is swept through the pressure regulating pipe to prevent the pressure taking port from being blocked, so that the accuracy of a measuring result is further ensured; the thickened protective ceramic is arranged, so that the abrasion of a sampling cavity opening can be effectively prevented, and the long-term stable operation of an air duct or a hearth is ensured. The device simple structure is novel, and the measuring result is accurate, can adjust the intraductal wind pressure of control, carries out the loss prevention protection to the sample chamber, improves the life in sample chamber, and the convenient measuring result of installation is accurate, is fit for carrying out marketing.
Drawings
Fig. 1 is the utility model provides an air supply type steady voltage dry fluid measures structure position schematic diagram of preventing stifled anti-purging device system.
In the figure: 1 sampling cavity, 2 pressure stabilizing ports, 3 installation lower flanges, 4 installation flanges, 5 protective ceramics, 6 pressure leading pipes, 7 reverse purging pipes, 8 tested devices, 9 filtering pressure reducing valves, 10 glass rotameters, 11 filtering filter elements and 12 gas source pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a dry fluid measurement of air supply type steady voltage prevents stifled anti-purging device system, including appearance chamber 1, the below welding in sample chamber 1 has mounting flange 4, mounting flange 4's below is equipped with installation lower flange 3, the below fixedly connected with protective ceramics 5 of installation lower flange 3, protective ceramics 5's outer lane is equipped with by survey device 8, the welding of one side in sample chamber 1 has steady voltage mouth 2, the other end fixedly connected with of steady voltage mouth 2 draws pressure pipe 6, the top fixed mounting in sample chamber 1 has anti-purging pipe 7, the other end fixed mounting of anti-purging pipe 7 has glass rotameter 10, one side of glass rotameter 10 is equipped with filtration relief pressure valve 9, it is equipped with filter element 11 to filter relief pressure valve 9 below, it installs air supply pipe 12 to filter relief pressure valve 9 one side far away from glass rotameter 10.
The input and the air supply pipe 12 of filtration relief pressure valve 9 pass through valve fixed connection, the output of filtration relief pressure valve 9 is connected with glass rotameter 10's input, anti-purge pipe 7 with draw and press pipe 6 through connection, anti-purge pipe 7 with draw and press pipe 6 can expand the multiple spot simultaneously and be connected, steady voltage mouth 2 and the one side welding in sample chamber 1, and steady voltage mouth 2 sets up for the slope, protective ceramic 5 and the inner wall welding of being surveyed device 8, protective ceramic 5 is thickening protective ceramic.
In the embodiment, firstly, the air source pipe 12 conveys the air to the filtering and pressure reducing valve 9, the air is subjected to gas-water separation by the filtering and pressure reducing valve 9 and then conveyed to the glass rotameter 10 through the output end, the glass rotameter 10 performs air blowing flow adjustment on the air, the adjusted constant air flow is conveyed into the back-blowing scavenging pipe 7 through the output end taken by the glass rotameter 10 and conveyed into the sampling cavity 1, the measured differential pressure value is led to the transmitter through the pressure leading pipe 6, the pressure value of the measured pipeline is accurately measured by the measured device 8, the cross section area through which the air passes is adjusted by changing the filtering and pressure reducing valve 9, so that the dynamic pressure of the air is balanced with the dynamic pressure difference generated by the air flowing through the sampling cavity 1, the real pressure in the hearth can be measured by the air source pipe 12, and the air source pipe 12 can be continuously purged after the purging air passes through the back-blowing scavenging pipe 7, the dust accumulation is prevented, and the pressure in a large-air-volume pipeline or a hearth can be measured while purging.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides an air supply type steady voltage dry fluid measurement prevents stifled anti-device system that sweeps, includes sample chamber (1), its characterized in that, the below welding of sample chamber (1) has mounting flange (4), the below of mounting flange (4) is equipped with installation lower flange (3), the below fixedly connected with protective ceramics (5) of installation lower flange (3), the outer lane of protective ceramics (5) is equipped with by survey device (8), one side welding of sample chamber (1) has steady voltage mouth (2), the other end fixedly connected with of steady voltage mouth (2) is led pressure pipe (6), the top fixed mounting of sample chamber (1) has anti-sweep pipe (7), the other end fixed mounting of anti-sweep pipe (7) has glass rotameter (10), one side of glass rotameter (10) is equipped with and filters relief pressure valve (9), and a filtering filter element (11) is arranged below the filtering and reducing valve (9), and a gas source pipe (12) is arranged on one side, far away from the glass rotameter (10), of the filtering and reducing valve (9).
2. The air source type pressure-stabilizing dry fluid measurement anti-blocking back-blowing device system as claimed in claim 1, wherein the input end of the filtering and pressure-reducing valve (9) is fixedly connected with the air source pipe (12) through a valve, and the output end of the filtering and pressure-reducing valve (9) is connected with the input end of the glass rotameter (10).
3. The air source type pressure-stabilizing dry fluid measurement anti-blocking back-blowing device system according to claim 1, wherein the back-blowing pipe (7) is connected with the pressure guiding pipe (6) in a penetrating manner, and the back-blowing pipe (7) and the pressure guiding pipe (6) can be simultaneously expanded and connected at multiple points.
4. The anti-blocking and back-blowing device system for the air source type pressure-stabilizing dry fluid measurement according to claim 1, wherein the pressure-stabilizing port (2) is welded to one side of the sampling cavity (1), and the pressure-stabilizing port (2) is arranged in an inclined manner.
5. The gas source type pressure-stabilizing dry fluid measurement anti-blocking back-blowing device system as claimed in claim 1, wherein the protective ceramic (5) is welded with the inner wall of the device (8) to be measured, and the protective ceramic (5) is thickened protective ceramic.
CN202020387985.9U 2020-03-24 2020-03-24 Anti-blocking back-blowing device system for air source type pressure-stabilizing dry fluid measurement Active CN211477494U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020387985.9U CN211477494U (en) 2020-03-24 2020-03-24 Anti-blocking back-blowing device system for air source type pressure-stabilizing dry fluid measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020387985.9U CN211477494U (en) 2020-03-24 2020-03-24 Anti-blocking back-blowing device system for air source type pressure-stabilizing dry fluid measurement

Publications (1)

Publication Number Publication Date
CN211477494U true CN211477494U (en) 2020-09-11

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Country Status (1)

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CN (1) CN211477494U (en)

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GR01 Patent grant
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Effective date of registration: 20240530

Address after: No. 014, Dongsanwang Village, Dayang Town, Dongping County, Tai'an City, Shandong Province, 271000

Patentee after: Li Xujie

Country or region after: China

Address before: Room 402c, School of software, Nanjing University, No.2, Xinke 2nd Road, Jiangbei new district, Nanjing City, Jiangsu Province, 210000

Patentee before: NANJING TONGLUO AUTOMATION TECHNOLOGY Co.,Ltd.

Country or region before: China

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20240710

Address after: 1-2318, building 1, No. 88, exhibition West Road, hi tech Zone, Jinan City, Shandong Province

Patentee after: Shandong youst Environmental Protection Technology Co.,Ltd.

Country or region after: China

Address before: No. 014, Dongsanwang Village, Dayang Town, Dongping County, Tai'an City, Shandong Province, 271000

Patentee before: Li Xujie

Country or region before: China

TR01 Transfer of patent right