CN219084163U

CN219084163U - Online cleaning mechanism and cleaning device of ammonia flowmeter

Info

Publication number: CN219084163U
Application number: CN202222115762.9U
Authority: CN
Inventors: 赵乃国; 史子健; 田涛; 宋磊; 刘鹏
Original assignee: Baiyanghe Power Plant Of Huaneng Shandong Power Generation Co ltd
Current assignee: Baiyanghe Power Plant Of Huaneng Shandong Power Generation Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-05-26
Anticipated expiration: 2032-08-11

Abstract

The application discloses an online cleaning mechanism and a cleaning device of an ammonia gas flowmeter, wherein the online cleaning mechanism comprises a pipe body for transmitting ammonia gas and the ammonia gas flowmeter arranged on the pipe body; the isolating valves are arranged on the pipe body, are provided with two isolating valves and are respectively positioned on the air inlet side and the air outlet side of the ammonia gas flowmeter so as to form a closed cavity in the pipe body; the cleaning pipeline is communicated with the pipe body, and the joint of the cleaning pipeline and the pipe body is positioned between the two isolation valves; the cleaning valve is arranged on the cleaning pipeline and used for controlling the on-off of the cleaning pipeline; the discharge pipeline is communicated with the pipe body, and the joint of the cleaning pipeline and the pipe body is positioned between the two isolation valves; and the discharge valve is arranged on the discharge pipeline and used for controlling the on-off of the discharge pipeline. The cleaning device is simple and convenient to operate, good in cleaning effect and high in cleaning efficiency, and the workload of workers is greatly reduced.

Description

Online cleaning mechanism and cleaning device of ammonia flowmeter

Technical Field

The application relates to the technical field of ammonia flow meters, in particular to an online cleaning mechanism and a cleaning device of an ammonia flow meter.

Background

The ammonia flow meter is a variable area flow meter commonly used in industrial automation process control. The device has the characteristics of small volume, large detection range, convenient use and the like. The device can be used for measuring the flow of liquid, gas and steam, and is particularly suitable for medium flow measurement with low flow rate and low flow rate. The method adopts the variable area measurement principle and is suitable for measuring liquid and gas. The ammonia gas flowmeter has indication type, electric remote transmission type, corrosion resistance type, high pressure type, jacket type, explosion proof type and the like, and is widely applied to the flow measurement process of complex severe environmental conditions such as petroleum, chemical industry, power generation, pharmacy, food, water treatment and the like and various medium conditions.

However, the ammonia gas flow meter on the production site is influenced by the measuring environment, so that dirt is easy to appear, and phenomena such as inaccurate measuring data, jump and the like appear after the measuring device is dirty.

At present, the measuring instrument needs to be removed and then cleaned, and the cleaning method has the disadvantages of large manual workload, long cleaning time and the like.

Disclosure of Invention

The purpose of the application is to provide an online cleaning mechanism of an ammonia gas flowmeter, so as to solve the problem in the background technology.

In order to achieve the above object, according to a first aspect, the present application provides the following technical solutions: the utility model provides an online clearance mechanism of ammonia flowmeter, includes the body that is used for transmitting ammonia and sets up the ammonia flowmeter on the body, its characterized in that still includes:

the isolating valves are arranged on the pipe body, are provided with two isolating valves and are respectively positioned on the air inlet side and the air outlet side of the ammonia gas flowmeter so as to form a closed cavity in the pipe body;

the cleaning pipeline is communicated with the pipe body, and the joint of the cleaning pipeline and the pipe body is positioned between the two isolation valves;

the cleaning valve is arranged on the cleaning pipeline and used for controlling the on-off of the cleaning pipeline;

the discharge pipeline is communicated with the pipe body, and the joint of the cleaning pipeline and the pipe body is positioned between the two isolation valves;

and the discharge valve is arranged on the discharge pipeline and used for controlling the on-off of the discharge pipeline.

In some embodiments, the purge line and the discharge line are disposed on an inlet side and an outlet side of the ammonia flow meter, respectively.

In some embodiments, the purge line includes a water purge line, a steam purge line, and a compressed air purge line, and the purge valve includes a water valve, a steam valve, and a compressed air valve.

In some embodiments, the ammonia gas flow meter is provided with a plurality of said isolation valves on both the inlet side and the outlet side.

In a second aspect, the present application provides the following technical solutions: the cleaning device of the ammonia gas flow meter comprises the online cleaning mechanism of the ammonia gas flow meter.

Compared with the prior art, the beneficial effects of this application are:

through setting up isolation valve, wash pipeline, wash valve discharge line and discharge valve, when the ammonia flowmeter needs the clearance, close the isolation valve of ammonia flowmeter air inlet side and air outlet side earlier for form one section airtight chamber in the body, then open wash valve and discharge valve, let in the wash pipeline and wash the medium, wash the medium inflow in above-mentioned airtight chamber, afterwards follow discharge pipeline and discharge, in this process, the dirty impurity in ammonia flowmeter department and the body is together discharged along with the wash medium, after the clearance is accomplished, close wash valve and discharge valve, open the isolation valve of ammonia flowmeter air inlet side and air outlet side and can normally use, in sum up, this application easy and simple to handle, the cleaning performance is good, the cleaning efficiency is high, staff's work load has been greatly reduced.

Drawings

Fig. 1 is a schematic diagram of an exemplary embodiment of the present application.

In the figure: 1. a tube body; 2. an ammonia gas flow meter; 3. an isolation valve; 41. a water cleaning path; 411. a water valve; 42. a steam cleaning path; 421. a steam valve; 43. a compressed air cleaning path; 431. compressing the air valve; 5. a discharge line; 51. a discharge valve.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

As described in the background art, the ammonia gas flow measuring meter on the production site is influenced by the measuring environment, so that the pollution is easy to occur, and the phenomena of inaccurate measuring data, jump and the like occur after the measuring device is polluted. At present, the measuring instrument needs to be removed and then cleaned, and the cleaning method has the disadvantages of large manual workload, long cleaning time and the like.

To improve the above-mentioned problem, in a first aspect, the present application proposes an online cleaning mechanism for an ammonia flowmeter, referring to fig. 1, which mainly includes: the pipe body 1, the ammonia flow meter 2, the isolation valve 3, the cleaning pipeline, the cleaning valve, the discharge pipeline 5 and the discharge valve 51, the pipe body 1 is used for transmitting ammonia, the ammonia flow meter 2 is arranged on the pipe body 1 and used for detecting the ammonia flow, the isolation valve 3 is used for forming a closed cavity in the pipe body 1 so as to clean the ammonia flow meter 2, the cleaning pipeline and the discharge pipeline 5 are both used for conveying cleaning media, and the cleaning valve and the discharge valve 51 are respectively used for controlling the on-off of the cleaning pipeline and the discharge pipeline 5.

Specifically, in the exemplary embodiment, two isolation valves 3 are provided, which are both disposed on the pipe body 1 and located on the air inlet side and the air outlet side of the ammonia flowmeter 2, when both isolation valves 3 are in a closed state, a section of closed cavity is formed in the pipe body 1, and when the cleaning medium flows through the closed cavity, dirt impurities in the closed cavity can be flushed away.

In other embodiments, the isolation valves 3 on the pipe body 1 may be provided with a plurality of isolation valves, where at least one of the air inlet side and the air outlet side of the ammonia flowmeter 2 is provided, when both the isolation valves 3 are in a closed state, a section of closed cavity is formed in the pipe body 1, and when the cleaning medium flows through the closed cavity, the dirt impurities in the closed cavity can be washed away, and the plurality of isolation valves 3 can strengthen the tightness of the closed cavity, so as to prevent the pipe body 1 from being immersed in the cleaning medium and other dirt impurities in the cleaning process.

Specifically, in the exemplary embodiment, the cleaning pipeline includes a water cleaning path 41, a steam cleaning path 42 and a compressed air cleaning path 43, the cleaning valves include a water valve 411, a steam valve 421 and a compressed air valve 431, wherein the water valve 411, the steam valve 421 and the compressed air valve 431 are sequentially disposed on the water cleaning path 41, the steam cleaning path 42 and the compressed air cleaning path 43, and in the use process, the water cleaning path 41 can be introduced into the pipe body 1 to clean the pipe body 1, then the water valve 411 is closed and the steam valve 421 is opened, steam is introduced into the pipe body 1 to clean, then the steam valve 421 is closed and the compressed air valve 431 is opened, and high-pressure air is introduced into the pipe body 1. Three different cleaning media wash and can promote clean effect, and set up many cleaning pipeline and then can avoid the dismantlement problem when single cleaning pipeline lets in different cleaning media, can improve cleaning efficiency.

In other embodiments, the cleaning pipeline is not limited to this, and other pipelines can be added to introduce cleaning media with higher cleaning capability.

In a second aspect, the application further provides a cleaning device for an ammonia gas flowmeter, which comprises the online cleaning mechanism for the ammonia gas flowmeter 2. In the exemplary embodiment, the cleaning device of the ammonia gas flowmeter 2 further includes a timing cleaning mechanism, which includes a timing signal generator and an electromagnetic switch, the timing signal generator is electrically connected to the electromagnetic switch and sends out an electrical signal, the electromagnetic switch is provided with a plurality of isolation valves 3, cleaning valves and discharge valves 51, which are sequentially arranged at the positions of the isolation valves, the cleaning valves and the discharge valves, and is used for controlling the opening and closing of the valve bodies.

In summary, through setting up isolation valve 3, wash pipeline, wash valve discharge pipeline 5 and discharge valve 51, when ammonia flowmeter 2 needs to clear up, close the isolation valve 3 of ammonia flowmeter 2 air inlet side and air outlet side earlier, make the sealed chamber of one section in body 1, then open wash valve and discharge valve 51, let in the wash pipeline wash medium, wash medium inflow in the aforesaid sealed chamber, afterwards follow discharge pipeline 5, in this process, the dirty impurity in ammonia flowmeter 2 department and the body 1 is discharged along with wash medium together, after the clearance is accomplished, close wash valve and discharge valve 51, open the isolation valve 3 of ammonia flowmeter 2 air inlet side and air outlet side and can normal use, in summary, this application is easy and simple to handle, the cleaning effect is good, the cleaning efficiency is high, staff's work load has been greatly reduced.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present application, and is not intended to limit the present application, but although the present application has been described in detail with reference to the foregoing embodiment, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or that equivalents may be substituted for part of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides an online clearance mechanism of ammonia flowmeter (2), includes body (1) and ammonia flowmeter (2) of setting on body (1) that are used for transmitting ammonia, its characterized in that still includes:

the isolating valves (3) are arranged on the pipe body (1), are arranged in two and are respectively positioned on the air inlet side and the air outlet side of the ammonia gas flowmeter (2) so as to form a closed cavity in the pipe body (1);

the cleaning pipeline is communicated with the pipe body (1), and the joint of the cleaning pipeline and the pipe body (1) is positioned between the two isolation valves (3);

a discharge pipeline (5) communicated with the pipe body (1), wherein the joint of the cleaning pipeline and the pipe body (1) is positioned between the two isolation valves (3);

and the discharge valve (51) is arranged on the discharge pipeline (5) and is used for controlling the on-off of the discharge pipeline (5).

2. The online cleaning mechanism of an ammonia gas flowmeter (2) according to claim 1, wherein the cleaning pipeline and the discharge pipeline (5) are respectively arranged on an air inlet side and an air outlet side of the ammonia gas flowmeter (2).

3. An online cleaning mechanism for an ammonia gas flowmeter (2) of claim 1 wherein the cleaning lines comprise a water cleaning line (41), a steam cleaning line (42) and a compressed air cleaning line (43), and the cleaning valves comprise a water valve (411), a steam valve (421) and a compressed air valve (431).

4. The online cleaning mechanism of an ammonia gas flowmeter (2) according to claim 1, wherein a plurality of isolation valves (3) are arranged on the air inlet side and the air outlet side of the ammonia gas flowmeter (2).

5. A cleaning device for an ammonia flow meter (2), characterized by comprising an online cleaning mechanism for an ammonia flow meter (2) according to any one of claims 1-4.