Flue gas flow monitoring auxiliary trepanning structure

Abstract

The smoke flow monitoring auxiliary trepanning structure comprises a trepanning die assembly arranged on a chimney, the trepanning die assembly comprises a first die, a second die and a third die, and the second die and the third die are arranged on the two sides of the first die respectively. The flue gas flow monitoring auxiliary trepanning structure provided by the utility model improves the positioning precision of trepanning on the chimney, improves the installation precision of the flowmeter, and is beneficial to improving the data accuracy of the gas flow rate and the total emission amount of carbon dioxide.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of flue gas detection, concretely, the utility model relates to a flue gas flow monitoring auxiliary trepanning structure. BACKGROUND

[0002] The cement industry widely adopts the method of accounting to calculate the total carbon dioxide emission, mainly through activity data multiplied by emission factor or through calculating carbon mass balance in the production process to quantify the greenhouse gas emission, the actual measurement carbon emission method is through real-time monitoring means or the continuous metering facility identified by the relevant department, measures the flow of emission gas (CO2), the cross-sectional area of measuring point and concentration and so on measurement data, calculates the carbon emission through these actual measurement parameters. The accuracy and reliability of gas flow rate measurement data are the key of the accuracy of total greenhouse gas emission data, part of enterprises in the prior art adopts the point measurement method of pitot tube, but the measurement error is bigger, and part of enterprises adopts the line measurement method, gathers gas flow rate data through uniformly arranging flowmeter on the chimney, but the installation of flowmeter needs to be trepanned on the chimney through water drill, the precision of trepanning cannot be guaranteed due to the thick thickness of chimney, so that the precision of hole will indirectly affect the accuracy of total carbon dioxide emission.

[0003] To solve the above problems, the patent document 210171005U the utility model provides a kind of flue gas monitoring auxiliary device and flue gas monitoring system, belong to environmental protection equipment technical field, flue gas monitoring auxiliary device includes first connecting pipe, dust removal pipe, multiple first protruding parts and multiple second protruding parts, the utility model provides a kind of flue gas monitoring auxiliary device, the flue gas in chimney first enters into dust removal pipe in first connecting pipe, impurity in flue gas needs to occur contact with first protruding part and second protruding part multiple times when passing through dust removal pipe, and leave part of impurity on first protruding part and second protruding part, and each first protruding part and each second protruding part are staggered, flue gas will continuously occur contact with each first protruding part and each second protruding part, but cannot solve the above problems. SUMMARY

[0004] The utility model is in order to solve above-mentioned problem and carries out, purpose is in providing a kind of positioning precision of trepanning on chimney, can improve the installation precision of flowmeter, it is favorable to improve the data accuracy of gas flow rate and total carbon dioxide emission, flue gas flow monitoring auxiliary trepanning structure, in order to realize above-mentioned purpose, the technical scheme that the utility model adopts is as follows:

[0005] The utility model provides a kind of flue gas flow monitoring auxiliary trepanning structure, with such characteristics, including the trepanning mould assembly of being set on chimney.

[0006] The smoke flow monitoring auxiliary opening structure has the characteristics that the opening die assembly comprises a first die, a second die and a third die, and the second die and the third die are arranged on the two sides of the first die.

[0007] The smoke flow monitoring auxiliary opening structure has the characteristics that the first die comprises a first mounting plate and a first opening sleeve, one end of the first opening sleeve is arranged on the first mounting plate in an inclined manner, and the first mounting plate is provided with a first mounting hole.

[0008] The smoke flow monitoring auxiliary opening structure has the characteristics that the second die comprises a second mounting plate and a second opening sleeve, one end of the second opening sleeve is arranged on the second mounting plate in an inclined manner, and the second mounting plate is provided with a second mounting hole.

[0009] The smoke flow monitoring auxiliary opening structure has the characteristics that the third die comprises a third mounting plate and a third opening sleeve, one end of the third opening sleeve is arranged on the third mounting plate in an inclined manner, and the third mounting plate is provided with a third mounting hole.

[0010] The smoke flow monitoring auxiliary opening structure has the characteristics that the angle between the first opening sleeve and the first mounting plate in the vertical direction is 53.85°, the angle between the first opening sleeve and the first mounting plate in the horizontal direction is 90°, the angle between the second opening sleeve and the second mounting plate in the vertical direction is 53.85°, the angle between the second opening sleeve and the second mounting plate in the horizontal direction is 59.06°, and the angle between the third opening sleeve and the third mounting plate in the vertical direction is 53.85°, and the angle between the third opening sleeve and the third mounting plate in the horizontal direction is 59.06°.

[0011] The smoke flow monitoring auxiliary opening structure has the characteristics that the height of the first die is 1200mm, and the height of the second die and the third die is 1722mm.

[0012] The smoke flow monitoring auxiliary opening structure has the characteristics that the linear distance between the second die and the first die in the horizontal direction is 1763mm, the arc distance between the second die and the first die along the surface of the chimney in the horizontal direction is 1852mm, the linear distance between the third die and the first die in the horizontal direction is 1763mm, and the arc distance between the third die and the first die along the surface of the chimney in the horizontal direction is 1852mm.

[0013] The technical effect of the utility model is: the smoke flow monitoring auxiliary opening structure provided by the utility model comprises an opening mold assembly arranged on a chimney, the opening mold assembly can assist in water drill type opening, effectively reduces the precision deviation of a drill bit when drilling on the chimney, and effectively reduces the deviation of the installation precision of the flow meter.

[0014] Therefore, the smoke flow monitoring auxiliary opening structure provided by the utility model improves the positioning precision of opening on the chimney, improves the installation precision of the flow meter, and is beneficial to improving the data accuracy of the gas flow rate and the total amount of carbon dioxide emission. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present specification comprises the following drawings, and the shown contents are respectively:

[0016] Figure 1 is the structure schematic view of the opening mold assembly in the embodiment of the utility model in the front view direction;

[0017] Figure 2 is the sectional view of the opening mold assembly in the embodiment of the utility model in the plan view direction;

[0018] Figure 3 is the structure schematic view of the first mold in the embodiment of the utility model in the front view direction;

[0019] Figure 4 is the structure schematic view of the first mold in the embodiment of the utility model in the side view direction;

[0020] Figure 5 is the structure schematic view of the first mold in the embodiment of the utility model in the plan view direction;

[0021] Figure 6 is the structure schematic of the second mold in the embodiment of the utility model Figure 1 ;

[0022] Figure 7 is the structure schematic of the second mold in the embodiment of the utility model Figure 2 ;

[0023] Figure 8 is the structure schematic view of the third mold in the embodiment of the utility model.

[0024] In the drawing, the marks are: chimney-1, opening mold assembly-10, first mold-11, first mounting plate-111, first opening sleeve-112, first mounting hole-113, second mold-12, second mounting plate-121, second opening sleeve-122, second mounting hole-123, third mold-13, third mounting plate-131, third opening sleeve-132, third mounting hole-133. DETAILED DESCRIPTION

[0025] The specific embodiments of the present application will be further described in detail below with reference to the drawings, and the purpose is to help the technical personnel in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present application, and to help its implementation.

[0026] Figure 1 It is the structure schematic diagram of the opening die assembly in the embodiment of the utility model in the front view direction; Figure 2 It is the sectional view of the opening die assembly in the embodiment of the utility model in the plan view direction.

[0027] As shown in Figure 1 and Figure 2 The flue gas flow monitoring auxiliary opening structure provided by the utility model comprises an opening die assembly 10 arranged on a chimney, the opening die assembly 10 can assist in water drill type opening, effectively reduces the precision deviation of the drill bit when drilling on the chimney 1, effectively reduces the deviation of the flowmeter installation precision, the opening die assembly 10 comprises a first die 11, a second die 12 and a third die 13, the second die 12 and the third die 13 are arranged on the two sides of the first die 11 respectively, so that multi-point drilling is facilitated, and the line measurement arrangement of the flowmeter is completed.

[0028] Figure 3 It is the structure schematic diagram of the first die in the embodiment of the utility model in the front view direction; Figure 4 It is the structure schematic diagram of the first die in the embodiment of the utility model in the side view direction; Figure 5 It is the structure schematic diagram of the first die in the embodiment of the utility model in the plan view direction.

[0029] As shown in Figure 3 , Figure 4 and Figure 5 The first die 11 comprises a first mounting plate 111 and a first opening sleeve 112, the first mounting plate 111 is in the form of a square plate and is arranged on the surface of the chimney 1, one end of the first opening sleeve 112 is arranged obliquely on the first mounting plate 111, the first opening sleeve 112 is used for limiting the water drill bit and preventing the water drill bit from deviating during the drilling process. The first mounting plate 111 is provided with a first mounting hole 113, the first mounting holes 113 are uniformly arranged on the first mounting plate 111 and located at the four corner parts of the first mounting plate 111, and a rivet is arranged in the first mounting hole 113, so that the first mounting plate 111 is fastened on the chimney 1, the first die 11 is prevented from loosening or shaking during the drilling process, the drilling precision is further improved, and the positioning precision of the flowmeter installation is effectively improved.

[0030] Figure 6It is the structure diagram of the second mold in the embodiment of the utility model Figure 1 ; Figure 7 It is the structure diagram of the second mold in the embodiment of the utility model Figure 2 .

[0031] As Figure 6 And Figure 7 Indicated, the second mold 12 includes second installation board 121 and second opening sleeve 122, second installation board 121 is square board shape, is arranged on the surface of chimney 1, and one end of second opening sleeve 122 is obliquely arranged on second installation board 121, and second opening sleeve 122 is used to limit the water drill bit, prevents water drill bit from deviating during drilling process. Second installation hole 123 is provided on second installation board 121, and second installation hole 123 is evenly arranged on second installation board 121, is located at the four corner parts of second installation board 121, and rivet is arranged in second installation hole 123, so that second installation board 121 is fastened on chimney 1, prevents second mold 12 from loosening or shaking during drilling process, further improves the precision of drilling, effectively improves the positioning precision of flowmeter installation.

[0032] Figure 8 It is the structure diagram of the third mold in the embodiment of the utility model.

[0033] As Figure 8 Indicated, the third mold 13 includes third installation board 131 and third opening sleeve 132, third installation board 131 is square board shape, is arranged on the surface of chimney 1, and one end of third opening sleeve 132 is obliquely arranged on third installation board 131, and third opening sleeve 132 is used to limit the water drill bit, prevents water drill bit from deviating during drilling process. Third installation hole 133 is provided on third installation board 131, and third installation hole 133 is evenly arranged on third installation board 131, is located at the four corner parts of third installation board 131, and rivet is arranged in third installation hole 133, so that third installation board 131 is fastened on chimney 1, prevents third mold 13 from loosening or shaking during drilling process, further improves the precision of drilling, effectively improves the positioning precision of flowmeter installation.

[0034] Among them, first opening sleeve 112 and first installation board 111 have a certain angle in vertical direction, and first opening sleeve 112 and first installation board 111 are perpendicular to each other in horizontal direction;Second opening sleeve 122 and second installation board 121 have a certain angle in vertical direction, and in horizontal direction, second opening sleeve 122 is inclined to the side away from first mold 11;Third opening sleeve 132 and second installation board 131 have a certain angle in vertical direction, and in horizontal direction, third opening sleeve 132 is inclined to the side away from first mold 11, so that the linear measurement arrangement requirement of flowmeter is better met.

[0035] In the embodiment, the height of the chimney 1 is 40.5 m, the inclination angle of the chimney 1 is 91°, the flue wall thickness is 430 mm, the horizontal arc surface with the height h is marked by the level, h is 1200 mm, the diameter d of the chimney is calculated according to the circumference length of the marked point, d is 6832 mm, and the center position of the horizontal arc surface is determined as the installation position of the first mold 11 according to the site environment and the position interference of the chimney stairway, the installation position of the first mold 11 is determined at the point A on the opposite side of the chimney 1 according to the circumference length, the angle α between the diameter of the chimney 1 and the line connecting the point 1 and the installation position of the first mold 11 is determined, the installation positions of the second mold 12 and the third mold 13 are determined, and the distance between the second mold 12 and the third mold 13 and the first mold 11 is dtan α, so that, in the embodiment, the height of the first mold is 1200 mm, the height of the second mold and the third mold is 1722 mm, the straight line distance between the second mold and the first mold in the horizontal direction is 1763 mm, the arc distance between the second mold and the first mold along the chimney surface in the horizontal direction is 1852 mm, the straight line distance between the third mold and the first mold in the horizontal direction is 1763 mm, and the arc distance between the third mold and the first mold along the chimney surface in the horizontal direction is 1852 mm.

[0036] In the embodiment, the inclination angle of the chimney is 91°, the flue wall thickness is 430 mm, the angle between the probe and the flue gas flow rate meets the requirement of 45°-60° when the flowmeter is installed, the inclination angle between the up-down opposite channels and the up-down angle on the chimney vertical plane is about 55°, the angle between the first opening sleeve and the first installation plate in the vertical direction is 53.85°, the angle between the first opening sleeve and the first installation plate in the horizontal direction is 90°, the angle between the second opening sleeve and the second installation plate in the vertical direction is 53.85°, the angle between the second opening sleeve and the second installation plate in the horizontal direction is 59.06°, the angle between the third opening sleeve and the third installation plate in the vertical direction is 53.85°, and the angle between the third opening sleeve and the third installation plate in the horizontal direction is 59.06°.

[0037] Effects of the embodiment

[0038] The smoke flow monitoring auxiliary opening structure comprises an opening mold assembly 10 arranged on the chimney, the opening mold assembly 10 can assist in water drill type opening, effectively reduces the precision deviation of the drill bit when drilling on the chimney 1, effectively reduces the installation precision deviation of the flowmeter, the opening mold assembly 10 comprises a first mold 11, a second mold 12 and a third mold 13, the second mold 12 and the third mold 13 are arranged on the two sides of the first mold 11, so that multi-point drilling is facilitated, and the line measurement arrangement of the flowmeter is completed.

[0039] The first opening sleeve 112 and the first mounting plate 111 have a certain included angle in the vertical direction, and the first opening sleeve 112 and the first mounting plate 111 are perpendicular to each other in the horizontal direction; the second opening sleeve 122 and the second mounting plate 121 have a certain included angle in the vertical direction, and in the horizontal direction, the second opening sleeve 122 is inclined to the side away from the first mold 11; the third opening sleeve 132 and the second mounting plate 131 have a certain included angle in the vertical direction, and in the horizontal direction, the third opening sleeve 132 is inclined to the side away from the first mold 11.

[0040] The above is an exemplary description of the present application in conjunction with the drawings. Obviously, the specific implementation of the present application is not limited by the above method. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the present application; or without improvement, the above concept and technical scheme of the present application are directly applied to other occasions, which are within the protection scope of the present application.

Claims

1. A flue gas flow monitoring auxiliary aperture structure, characterized by, The application relates to a chimney (1) with a hole forming die assembly (10) arranged on the chimney (1), wherein the hole forming die assembly (10) comprises a first die (11), a second die (12) and a third die (13), the second die (12) and the third die (13) are arranged on two sides of the first die (11) respectively, the first die (11) comprises a first mounting plate (111) and a first hole forming sleeve (112), one end of the first hole forming sleeve (112) is arranged obliquely on the first mounting plate (111), the first mounting plate (111) is provided with a first mounting hole (113), the second die (12) comprises a second mounting plate (121) and a second hole forming sleeve (122), one end of the second hole forming sleeve (122) is arranged obliquely on the second mounting plate (121), the second mounting plate (121) is provided with a second mounting hole (123), the third die (13) comprises a third mounting plate (131) and a third hole forming sleeve (132), one end of the third hole forming sleeve (132) is arranged obliquely on the third mounting plate (131), the third mounting plate (131) is provided with a third mounting hole (133), the height of the chimney (1) is 40.5 m, the inclination angle of the chimney (1) is 91 DEG, the flue wall thickness is 430 mm, a mark point is made on a horizontal arc surface with a height h by using a level, h is 1200 mm, the diameter d of the chimney is calculated according to the circumference length of the mark point, d is 6832 mm, the center position of the horizontal arc surface is determined as the mounting position of the first die (11) according to the on-site environment and the position interference of the chimney stairway, the mounting position of the first die (11) is determined as the position of point A on the opposite side of the chimney (1) according to the circumferential length, the included angle alpha between the chimney (1) diameter and the line connecting point 1 and the mounting position of the first die (11) is determined, and the mounting positions of the second die (12) and the third die (13) are determined, the distance between the second die (12) and the third die (13) and the first die (11) is dtan alpha.

2. The flue gas flow monitoring auxiliary orifice structure of claim 1, wherein, The angle between the first hole forming sleeve (112) and the first mounting plate (111) in the vertical direction is 53.85 DEG, and the angle between the first hole forming sleeve (112) and the first mounting plate (111) in the horizontal direction is 90 DEG; the angle between the second hole forming sleeve (122) and the second mounting plate (121) in the vertical direction is 53.85 DEG, and the angle between the second hole forming sleeve (122) and the second mounting plate (121) in the horizontal direction is 59.06 DEG; the angle between the third hole forming sleeve (132) and the third mounting plate (131) in the vertical direction is 53.85 DEG, and the angle between the third hole forming sleeve (132) and the third mounting plate (131) in the horizontal direction is 59.06 DEG.

3. A flue gas flow monitoring auxiliary orifice structure according to claim 2, characterised in that, The height of the first die (11) is 1200 mm, and the height of the second die (12) and the third die (13) is 1722 mm.

4. The flue gas flow monitoring auxiliary orifice structure of claim 3, wherein, The linear distance of the second mold (12) and the first mold (11) in the horizontal direction is 1763mm, and the arc distance of the second mold (12) and the first mold (11) along the surface of the chimney (1) in the horizontal direction is 1852mm; the linear distance of the third mold (13) and the first mold (11) in the horizontal direction is 1763mm, and the arc distance of the third mold (13) and the first mold (11) along the surface of the chimney (1) in the horizontal direction is 1852mm.

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