CN216433090U - Temperature and pressure flow integrated measuring device of AO pool aeration air pipe - Google Patents

Temperature and pressure flow integrated measuring device of AO pool aeration air pipe Download PDF

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Publication number
CN216433090U
CN216433090U CN202123213887.7U CN202123213887U CN216433090U CN 216433090 U CN216433090 U CN 216433090U CN 202123213887 U CN202123213887 U CN 202123213887U CN 216433090 U CN216433090 U CN 216433090U
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pipe
pressure
static pressure
total
temperature
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钱诚
陈康宁
岑冈
刘晓静
赵玲
侯磊
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China Construction Eco Environmental Group Co Ltd
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China Construction Eco Environmental Group Co Ltd
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Abstract

The utility model provides a temperature and pressure flow integration measuring device of AO pond aeration tuber pipe, including total piezometer buret and static pressure survey buret, total piezometer buret with the static pressure is measured and is installed inside the aeration tuber pipe, be equipped with first pressure transmitter and second pressure transmitter on total piezometer buret and the static pressure survey buret respectively, first pressure transmitter with second pressure transmitter runs through respectively the aeration tuber pipe with total piezometer buret with the static pressure survey buret links to each other, total piezometer buret with be equipped with temperature transmitter between the static pressure survey buret. The technical scheme of the utility model reduce the pipeline trompil through the design of integration, improve flow measurement the degree of accuracy, reduce the requirement to the front and back straight tube section, save and set up pressure transmitter alone, through arranging temperature transmitter in between full-pressure measurement pipe and the static pressure survey pipe for temperature transmitter receives better protection, can accelerate measuring response speed.

Description

Temperature and pressure flow integrated measuring device of AO pool aeration air pipe
Technical Field
The utility model relates to a high standard play water treatment technical field of low temperature sewage especially relates to a temperature and pressure of AO pond aeration tuber pipe flows integration measuring device.
Background
A plurality of sewage treatment processes are adopted at home and abroad, wherein the sewage treatment processes are mainly activated sludge processes, aeration treatment is required in the treatment process by using the activated sludge processes, and the flow, the pressure and the temperature in an aeration air pipe are required to be monitored.
The traditional method is that flow, pressure and temperature measuring points are independently arranged and are sequentially arranged on an outlet pipeline of a blower, the temperature is measured by sleeving a thermal resistor or a thermocouple into a protective pipe and then penetrating into an aeration air pipe, the pressure is measured by a pressure transmitter after tapping and pressure measuring on the aeration air pipe, and the flow is measured by inserting a thermal mass flowmeter into the aeration air pipe. Three measuring points all need independent trompil installation, and work load is big.
The thermal mass flowmeter has a plurality of defects for measuring the air quantity of the aeration air pipe. Firstly, the wind speed of one point in the aeration wind pipe is measured, and then the flow of the whole aeration wind pipe is estimated according to the distribution of the wind speed in the aeration wind pipe, so that the accuracy is poor. Secondly, due to the principle of single-point measurement, the requirement on the uniformity of the wind speed is high, so that the requirement on the straight pipe sections before and after the measurement point is high, the diameter is generally required to be 25 to 50 times of the diameter before and 2 to 5 times of the diameter after the measurement point, and the limitation on the installation position is large in the actual use. Finally, thermal mass flowmeters are costly and not conducive to reducing engineering costs.
Under the condition that the pipe diameter is large, temperature measurement needs to stretch into the air pipe 1/3, and the protection pipe is long and needs to bear wind pressure and abrasion again, so that the protection pipe wall is thick, the heat capacity is large, and the response speed of temperature measurement is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a temperature and pressure flow integrated measuring device of an AO pool aeration air pipe, which can improve the accuracy of flow measurement, reduce the requirement on front and back straight pipe sections and reduce the response time of measurement;
the utility model provides a temperature and pressure flow integration measuring device of AO pond aeration tuber pipe, including total piezometer buret and static pressure survey buret, total piezometer buret with static pressure survey buret passes through fixed plate fixed connection, total piezometer buret with static pressure is measured and is installed inside the aeration tuber pipe, be equipped with first pressure transmitter on the total piezometer buret, first pressure transmitter runs through the aeration tuber pipe with total piezometer buret links to each other, be equipped with second pressure transmitter on the static pressure survey buret, second pressure transmitter runs through the aeration tuber pipe with static pressure survey buret links to each other, total piezometer buret with be equipped with temperature transmitter between the static pressure survey buret, temperature transmitter runs through the aeration tuber pipe with the fixed plate links to each other.
Further, the total pressure survey buret includes that total pressure goes up the arm pipe, total pressure side wall pipe and two total pressure side wall pipes, total pressure goes up the arm pipe total pressure side wall pipe and two total pressure side wall pipe passes through the cross connecting pipe and links to each other, total pressure goes up the arm pipe with first pressure transmitter links to each other, total pressure side wall pipe runs through the aeration tuber pipe, the tip of total pressure side wall pipe is equipped with screw drainage end cap.
Further, the total upper arm pipe, total lower pressure casing pipe and two all be equipped with the trompil on the total pressure lateral wall pipe, the trompil orientation is kept away from one side and the perpendicular to at static pressure survey buret place the plane at total pressure survey buret place, the trompil quantity of each arm of total pressure survey buret is 3, the trompil of each arm of total pressure survey buret with the shortest distance of the inner wall of aeration tuber pipe is 0.044 times, 0.146 times and 0.296 times aeration tuber pipe diameter respectively.
Furthermore, the static pressure measuring pipe comprises a static pressure upper arm pipe, a static pressure lower wall pipe and two static pressure side wall pipes, the static pressure upper arm pipe, the static pressure lower wall pipe and the two static pressure side wall pipes are connected through a cross connecting pipe, the static pressure upper arm pipe is connected with the second pressure transmitter, the static pressure lower wall pipe penetrates through the aeration air pipe, and the end part of the static pressure lower wall pipe is provided with a thread drainage plug.
Further, all be equipped with the trompil on the static pressure side wall pipe, the static pressure upper arm pipe, the static pressure lower wall pipe and two, the trompil orientation is kept away from one side and the perpendicular to that full pressure survey pipe is located static pressure survey pipe plane, the trompil quantity of each arm of static pressure survey pipe is 3, the trompil of each arm of static pressure survey pipe with the shortest distance of the inner wall of aeration tuber pipe is 0.044 times, 0.146 times and 0.296 times aeration tuber pipe diameter respectively.
Further, two side connecting arms of the cross connecting pipe and the horizontal plane form an angle of 3-5 degrees.
Further, the edge of the fixing plate is provided with a round angle.
Furthermore, a temperature measuring sleeve is arranged between the total pressure measuring tube and the static pressure measuring tube, and the temperature transmitter is arranged in the temperature measuring sleeve.
Furthermore, flanges are arranged on two sides of the aeration air pipe.
The technical scheme of the utility model reduce the pipeline trompil through the design of integration, through total pressure survey buret and static pressure survey buret improve flow measurement the degree of accuracy, reduce the requirement to the front and back straight tube section, save and set up pressure transmitter alone, through arranging temperature transmitter in between total pressure survey buret and the static pressure survey buret for temperature transmitter receives better protection, can accelerate measuring response speed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top cross-sectional view of the present invention;
fig. 3 is a front sectional view of the present invention;
fig. 4 is a side cross-sectional view of the present invention;
description of reference numerals:
1-full pressure measuring tube, 2-static pressure measuring tube, 3-first pressure transmitter, 4-second pressure transmitter, 5-temperature transmitter, 6-aeration wind pipe, 7-fixing plate, 8-thread drainage plug and 9-flange;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a temperature and pressure flow integrated measuring device of an AO pool aeration air pipe 6 comprises a full-pressure measuring pipe 1 and a static pressure measuring pipe 2, wherein the full-pressure measuring pipe 1 and the static pressure measuring pipe 2 are fixedly connected through a fixing plate 7, the full-pressure measuring pipe 1 and the static pressure measuring pipe are installed inside the aeration air pipe 6, the full-pressure measuring pipe 1 comprises a full-pressure upper arm pipe, a full-pressure lower wall pipe and two full-pressure side wall pipes, the full-pressure upper arm pipe, the full-pressure lower wall pipe and the two full-pressure side wall pipes are connected through a cross connecting pipe, and the full-pressure upper arm pipe is connected with a first pressure transmitter 3; the static pressure measuring pipe 2 comprises a static pressure upper arm pipe, a static pressure lower wall pipe and two static pressure side wall pipes, the static pressure upper arm pipe, the static pressure lower wall pipe and the two static pressure side wall pipes are connected through a cross connecting pipe, the static pressure upper arm pipe is connected with the second pressure transmitter 4, four respective arms of the total pressure measuring pipe 1 and the static pressure measuring pipe 2 are welded together with the fixed plate 7 in a clinging mode, the fixed plate 7 plays a role in fixing the relative positions of the total pressure measuring pipe 1 and the static pressure measuring pipe 2, and the edge of the fixed plate 7 is provided with a fillet. The edge of the fixing plate 7 is polished to be smooth and streamline, so that the influence on the measurement of the full pressure and the static pressure can be avoided.
All be equipped with the trompil on the four minutes arms of total pressure survey pipe 1 and static pressure survey pipe 2, the trompil orientation of total pressure survey pipe 1 is kept away from one side at static pressure survey pipe 2 place and is perpendicular to total pressure survey pipe 1 place plane, the trompil orientation of static pressure survey pipe 2 is kept away from one side at total pressure survey pipe 1 place and is perpendicular to static pressure survey pipe 2 place plane, the trompil quantity of total pressure survey pipe 1 and static pressure survey pipe 2 each arm is 3, the shortest distance of trompil and aeration tuber pipe 6's inner wall is 0.044 times respectively, 0.146 times and 0.296 times aeration tuber pipe 6 diameter.
The total pressure measuring tube 1 and the static pressure measuring tube 2 in the device adopt a backrest tube principle, two groups of pipelines are inserted into an air channel, one group of windward holes are formed, the kinetic energy of air flow is converted into pressure energy, the pressure is higher and called as 'total pressure', the other group of leeward holes are not punched by the air flow, and the 'static pressure' in the aeration air pipe 6 is measured. The difference between the total pressure and the static pressure is related to the air speed in the aeration air pipe 6, and the flow of the aeration air pipe 6 can be obtained through calculation.
The four branch arms of the total pressure measuring tube 1 and the static pressure measuring tube 2 are provided with openings, so that the average 'total pressure' and the average 'static pressure' of the whole section can be obtained, the measurement is not influenced by the non-uniform flow rate, and the requirement for measuring the straight tube section of the air volume is shortened.
Be equipped with first pressure transmitter 3 on the total pressure survey pipe 1, first pressure transmitter 3 runs through aeration tuber pipe 6 and links to each other with total pressure survey pipe 1, be equipped with second pressure transmitter 4 on the static pressure survey pipe 2, second pressure transmitter 4 runs through aeration tuber pipe 6 and links to each other with static pressure survey pipe 2, first pressure transmitter 3 and second pressure transmitter 4 measure total pressure and static pressure respectively, first pressure transmitter 3 and second pressure transmitter 4 send the signal that records to outside PLC in and calculate the back and obtain the amount of wind, the static pressure signal of aeration tuber pipe 6 is regarded as simultaneously to the signal of second pressure transmitter 4.
In total-pressure measuring pipe 1 and static pressure measuring pipe 2, total-pressure lower wall pipe runs through aeration tuber pipe 6, and the tip of total-pressure lower wall pipe is equipped with screw drainage end cap 8, and static pressure lower wall pipe runs through aeration tuber pipe 6, and the tip of static pressure lower wall pipe is equipped with screw drainage end cap 8, and the angle of 3 to 5 degrees is personally submitted with the level to two side linking arms of cross connecting pipe. The design is used for draining condensed water into the lower arm of the measuring pipe through gravity to enable the condensed water to flow out automatically, and errors are reduced.
Be equipped with the temperature measurement sleeve pipe between total-pressure measuring pipe 1 and the static pressure measuring pipe 2, the temperature measurement sleeve pipe inserts from 6 upper portions of aeration tuber pipe, along total-pressure measuring pipe 1, static pressure measuring pipe 2, the inside cavity that fixed plate 7 encloses jointly deepens in aeration tuber pipe 6, the cavity can protect the temperature measurement sleeve pipe not receive wind pressure and wearing and tearing, the temperature measurement sleeve pipe can be done very thinly like this, the heat capacity reduces, be favorable to improving temperature element's response time, the sheathed tube depth of insertion of temperature measurement surpasss the fixed plate 7 of surveying the buret upper arm, temperature transmitter 5 carries out temperature measurement in inserting the temperature measurement sleeve pipe, the temperature that records unifies and converts into 4 ~ 20mA standard signal.
Flanges 9 (the flanges in figures 1 and 4 are not shown) are arranged on two sides of the aeration air pipe 6, and the device is connected with an output air pipe of an external AO aeration tank through the flanges 9.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a temperature pressure flow integration measuring device of AO pond aeration tuber pipe, its characterized in that, including total piezometer pipe and static pressure survey buret, total piezometer pipe with static pressure survey buret passes through fixed plate fixed connection, total piezometer pipe with static pressure is measured and is installed inside the aeration tuber pipe, be equipped with first pressure transmitter on the total piezometer pipe, first pressure transmitter runs through the aeration tuber pipe with total piezometer pipe links to each other, be equipped with second pressure transmitter on the static pressure survey buret, second pressure transmitter runs through the aeration tuber pipe with static pressure survey buret links to each other, total piezometer pipe with be equipped with temperature transmitter between the static pressure survey buret, temperature transmitter runs through the aeration tuber pipe with the fixed plate links to each other.
2. The AO cell aeration air pipe temperature and pressure flow integrated measuring device of claim 1, wherein the total pressure measuring pipe comprises a total pressure upper arm pipe, a total pressure lower wall pipe and two total pressure side wall pipes, the total pressure upper arm pipe, the total pressure lower wall pipe and the two total pressure side wall pipes are connected through a cross connecting pipe, the total pressure upper arm pipe is connected with the first pressure transmitter, the total pressure lower wall pipe penetrates through the aeration air pipe, and the end part of the total pressure lower wall pipe is provided with a threaded drainage plug.
3. The AO cell aeration air pipe temperature and pressure flow integrated measuring device of claim 2, wherein the full pressure upper arm tube, the full pressure lower wall tube and two full pressure side wall tubes are provided with openings facing to the side away from the static pressure measuring tube and perpendicular to the plane of the full pressure measuring tube, the number of the openings of each arm of the full pressure measuring tube is 3, and the shortest distances between the openings of each arm of the full pressure measuring tube and the inner wall of the aeration air pipe are respectively 0.044 times, 0.146 times and 0.296 times the diameter of the aeration air pipe.
4. The integrated measuring device for the temperature and the pressure of the AO pool aeration air pipe according to claim 1, wherein the static pressure measuring pipe comprises a static pressure upper arm pipe, a static pressure lower wall pipe and two static pressure side wall pipes, the static pressure upper arm pipe, the static pressure lower wall pipe and the two static pressure side wall pipes are connected through a cross connecting pipe, the static pressure upper arm pipe is connected with the second pressure transmitter, the static pressure lower wall pipe penetrates through the aeration air pipe, and a threaded drainage plug is arranged at the end part of the static pressure lower wall pipe.
5. The AO cell aeration air pipe warm-pressure flow integrated measuring device of claim 4, wherein the static pressure upper arm pipe, the static pressure lower wall pipe and both static pressure side wall pipes are provided with openings facing to the side away from the full pressure measuring pipe and perpendicular to the plane of the static pressure measuring pipe, the number of the openings of each arm of the static pressure measuring pipe is 3, and the shortest distances between the openings of each arm of the static pressure measuring pipe and the inner wall of the aeration air pipe are respectively 0.044 times, 0.146 times and 0.296 times the diameter of the aeration air pipe.
6. The integrated measuring device for the temperature and the pressure of the AO cell aeration air pipe according to claim 2, wherein two side connecting arms of the cross connecting pipe form an angle of 3 to 5 degrees with the horizontal plane.
7. The integrated measuring device for the temperature and the pressure of the AO cell aeration air pipe according to claim 4, wherein two side connecting arms of the cross connecting pipe form an angle of 3 to 5 degrees with the horizontal plane.
8. The AO cell aeration tuber pipe warm-pressure flow integration measuring device of claim 1, characterized in that the edge of fixed plate is equipped with the fillet.
9. The AO cell aeration air pipe temperature and pressure flow integrated measuring device of claim 1, wherein a temperature measuring sleeve is provided between the total pressure measuring pipe and the static pressure measuring pipe, and the temperature transmitter is installed in the temperature measuring sleeve.
10. The temperature and pressure flow integrated measuring device for the AO pool aeration air pipe according to claim 1, wherein flanges are provided on both sides of the aeration air pipe.
CN202123213887.7U 2021-12-20 2021-12-20 Temperature and pressure flow integrated measuring device of AO pool aeration air pipe Active CN216433090U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123213887.7U CN216433090U (en) 2021-12-20 2021-12-20 Temperature and pressure flow integrated measuring device of AO pool aeration air pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123213887.7U CN216433090U (en) 2021-12-20 2021-12-20 Temperature and pressure flow integrated measuring device of AO pool aeration air pipe

Publications (1)

Publication Number Publication Date
CN216433090U true CN216433090U (en) 2022-05-03

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Application Number Title Priority Date Filing Date
CN202123213887.7U Active CN216433090U (en) 2021-12-20 2021-12-20 Temperature and pressure flow integrated measuring device of AO pool aeration air pipe

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CN (1) CN216433090U (en)

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