CN211780220U - Natural gas is carried with diffusing tower - Google Patents

Abstract

The utility model discloses a natural gas transportation is with diffusing tower, including tower body, diffusing lead pipe and bottom plate, the tower body is two segmentation structures, from bottom to top is first barrel and second barrel in proper order, the diffusing lead pipe sets up on first barrel, the diameter of first barrel is greater than the diameter of second barrel, and connect through a reducing taper pipe between the two; a plurality of rib plates are arranged on the bottom plate along the circumferential direction of the first barrel, a cover plate is arranged above the rib plates, the cover plate is sleeved on the first barrel, three edges of each rib plate are fixedly connected with the bottom plate, the first barrel and the cover plate respectively, and foundation bolts penetrate through the cover plate and the bottom plate respectively to fix the diffusing tower on a structural basis. The tower body of the utility model adopts an upper and lower two-section structure with different diameters, the pipe diameter of the lower section structure can be increased on the premise of ensuring that the pipe diameter of the upper section structure meets the emission requirement, and the wind resistance of the tower body is further increased; in addition, the combined structure on the bottom plate can effectively disperse the stress at the joint of the bottom plate and the first cylinder under the vibration load, and the anti-vibration effect is good.

Description

Natural gas is carried with diffusing tower

Technical Field

The utility model relates to a natural gas line carries technical field, concretely relates to natural gas is carried with diffusing tower.

Background

Independent bleeding devices are required to be arranged at each station of a natural gas conveying pipeline or valve chambers along the pipeline, and a bleeding vertical pipe is usually adopted to safely discharge a large amount of natural gas in a short time under the conditions of overpressure, overhaul and accident of the pipeline. One of the functions of the diffusing vertical pipe is to prevent the pipe explosion accident of the gas transmission pipeline caused by overpressure operation; secondly, the discharge amount of natural gas at the accident position is reduced after the pipeline leaks, and the accident consequence is reduced; and thirdly, the daily maintenance requirements of the pipeline station are met through the emptying pipeline, and meanwhile, the normal work of other stations is not influenced, so that the natural gas diffusing system is an important safety facility of the conveying pipeline. Most of the currently used diffusing vertical pipes are formed by vertically arranging a single pipeline, and the caliber of a discharge port of each diffusing vertical pipe cannot be too large than that of a diffusing guide pipe, so that the diameter of each diffusing vertical pipe is smaller, the length of each diffusing vertical pipe is high, the height of each diffusing vertical pipe is usually 6-10 meters, some diffusing vertical pipes can reach more than 10 meters, and the length of each diffusing vertical pipe is larger. Under the action of wind load, the top of the diffusing vertical pipe swings in the wind when the critical wind speed is reached, which is about 10 meters higher than the ground generally. Although calculated strength stability is satisfactory, the resonance can lead to fatigue cracking at the weld of the bleeding riser, particularly at the weld of the bottom of the bleeding riser to the base plate.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a natural gas transportation diffusing tower, wherein the tower body adopts an upper and lower two-section structure with different diameters, and the pipe diameter of the lower section structure can be increased on the premise of ensuring that the pipe diameter of the upper section structure meets the diffusing requirement; in addition, the bottom of the tower body is provided with a rib plate reinforced composite structure, and the stress at the joint of the bottom plate and the tower body under the vibration load is dispersed to the rib plate reinforced composite structure, so that the overall structure of the diffusing tower is stable, and the anti-vibration effect is good.

The utility model adopts the following technical scheme:

a natural gas conveying diffusing tower is arranged on a concrete structure foundation and fixedly connected with the structure foundation through foundation bolts, and comprises a tower body, a diffusing guide pipe and a bottom plate, wherein the upper end of the tower body is open, the lower end of the tower body is arranged on the bottom plate, the diffusing guide pipe is arranged on the side wall of the tower body, the tower body is of a two-section structure and sequentially comprises a first barrel body and a second barrel body from bottom to top, the diffusing guide pipe is arranged on the side wall of the first barrel body and communicated with an inner cavity of the first barrel body, the diameter of the first barrel body is larger than that of the second barrel body, the diameter of the second barrel body is larger than that of the diffusing guide pipe, and the first barrel body is fixedly connected with the second barrel body through a reducing taper pipe; the bottom plate is provided with a plurality of rib plates along the circumferential direction of the first cylinder, a cover plate is arranged above the rib plates, the cover plate is sleeved on the first cylinder and fixedly connected with the first cylinder, three edges of each rib plate are respectively fixedly connected with the bottom plate, the first cylinder and the cover plate, and foundation bolts respectively penetrate through the bottom plate and the cover plate to fix the diffusing tower on the structure foundation.

The cover plate is uniformly provided with n (n is more than or equal to 4) second fixing holes along the circumferential span of the cover plate, the bottom plate is uniformly provided with n (n is more than or equal to 4) U-shaped holes along the circumferential edge of the bottom plate, the bottom of each U-shaped hole is of a semicircular hole structure, each second fixing hole corresponds to each U-shaped hole one by one, and the center of each second fixing hole is vertically superposed with the circle center of the semicircular hole at the bottom of the corresponding U-shaped hole.

The bottom plate with the apron is the cyclic annular plate structure, the inner ring diameter of bottom plate is less than the internal diameter of first barrel, the inner ring diameter of apron with first barrel external diameter phase-match, the external diameter of apron is greater than the external diameter of bottom plate.

The number of the foundation bolts is the same as that of the second fixing holes or the U-shaped holes, the number of the rib plates is 2 times that of the foundation bolts, and two sides of each second fixing hole or the U-shaped hole are respectively provided with one rib plate.

The aperture of the first fixing hole is matched with the diameter of the foundation bolt, and the aperture of the second fixing hole and the aperture of the semicircular hole in the bottom of the U-shaped hole are larger than that of the first fixing hole.

The rib plate is of a half-trapezoidal structure with a straight edge and a wide upper part and a narrow lower part, the upper end of the rib plate is consistent with the width of the cover plate, and the lower end of the rib plate is consistent with the width of the bottom plate outside the first cylinder body.

Every of apron all be equipped with a backing plate above the second fixed orifices, every open at the center of backing plate has first fixed orifices, rag bolt passes respectively U type hole, second fixed orifices and first fixed orifices will the tower that diffuses is fixed on the structure basis.

The side wall of the first barrel is also provided with a sewage discharge pipe and a hand hole, the hand hole is positioned above the sewage discharge pipe, and the sewage discharge pipe and the hand hole are respectively communicated with the cavity of the first barrel; still be equipped with a baffle in the first barrel, the baffle will first barrel is cut apart into two upper and lower chambeies, the lower edge of blow off pipe hugs closely the upper edge of baffle.

Preferably, the baffle is obliquely arranged in the first cylinder, and the lower edge of the sewage discharge pipe is tightly attached to the upper edge of the downward oblique end of the baffle; the diffusing guide pipe, the sewage discharge pipe and the hand hole are arranged along the first cylinder in a vertically staggered mode.

The diffusing tower further comprises three pulling lugs and three shaking ropes, the pulling lugs are uniformly distributed on the outer side wall of the second cylinder along the circumference, one end of each shaking rope is fixedly connected with the pulling lug, and the other end of each shaking rope is fixed on an anchor pile on the ground; every shake the rope with the contained angle between the second barrel is 30 ~ 45.

The length ratio of the first cylinder to the second cylinder is 1: 1-1: 2; the pull lugs are arranged at positions which are separated from 1/3-1/2 of the upper port of the second cylinder body.

And reinforcing rib plates are respectively arranged on the upper side and the lower side of the diffusion pipe, the reinforcing rib plates are right-angled triangular plates, and two right-angled edges of the reinforcing rib plates are respectively fixedly connected with the diffusion pipe and the first cylinder body.

An exhaust port is further formed in the side wall of the lower end of the first cylinder.

The utility model discloses technical scheme has following advantage:

A. the utility model discloses natural gas transportation is with diffusing tower, tower body adopt the different upper and lower two segmentation structures of diameter, can increase the pipe diameter of hypomere structure under the prerequisite of guaranteeing that upper segment structure pipe diameter satisfies the requirement of diffusing, and then increase the anti-wind performance of diffusing tower body.

B. The utility model discloses natural gas transportation is with diffusing tower is equipped with a plurality of gussets along first barrel circumference on the bottom plate, is equipped with the apron in the top of gusset, trilateral and bottom plate, first barrel and apron fixed connection of every gusset respectively, constitute gusset reinforcing integrated configuration jointly, will shake the stress dispersion of load lower plate and first barrel junction to gusset reinforcing integrated configuration for diffusing tower overall structure is stable, effectively reduces the fatigue crack of tower body bottom and bottom plate welding department, and it is effectual to combat earthquake.

C. The utility model discloses natural gas transportation is with diffusing tower, edge equipartition at the bottom plate sets up U type hole, rather than crossing the circular port that sets up in along circumference on the apron, this kind of mode of setting has reduced the constraint to the downthehole rag bolt of wearing U type, when concrete structure basis makes the rag bolt displacement of setting in concrete structure basis when taking place the fine setting owing to external environment temperature variation influence (such as expend with heat and contract with cold etc.), can make rag bolt furthest release stress, can not produce great stress owing to the constraint restriction rag bolt displacement of fixed orifices, and then avoid taking place rag bolt cracked risk.

D. The diffusing tower is installed perpendicular to the ground, and in rainy areas, rainwater can enter the tower body from the pipe orifice at the upper end of the diffusing tower, possibly causing rainwater accumulation and even flowing into the diffusing guide pipe, and causing corrosion of a diffusing system. The utility model discloses slope sets up a baffle in first barrel to establish a blow off pipe on first barrel lateral wall, the lower edge of blow off pipe hugs closely the last edge of baffle tilt down end, can be effectively with entering into the ponding such as rainwater in the tower body from the tower body top outside the blow off pipe discharges the tower body. The setting mode has simple structure, convenient operation and low cost.

E. The utility model discloses natural gas is carried with diffusing tower still is equipped with a hand hole on first barrel lateral wall to in take out debris such as the inside leaf that gathers of tower body, sand blown by the wind, do benefit to the bottom blowdown.

F. The utility model discloses to use comparatively extensively in bridge trade, power transmission and distribution trade and communication trade, the cable system that has characteristics such as the structure is light and handy, pleasing to the eye, anti-seismic performance is good is used at this tower structure of diffusing, sets up on the second barrel and draws the ear and shake the rope, can bear the horizontal load (wind load, horizontal earthquake effect) that the tower body transmission was come betterly, further improves the antidetonation effect of diffusing the tower.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view (one) of the overall structure of the natural gas transportation diffusing tower of the present invention;

fig. 2 is a schematic view (ii) of the overall structure of the natural gas transportation diffusing tower of the present invention;

FIG. 3 is an enlarged view of structure I of FIG. 1;

FIG. 4 is a top view of the structure of FIG. 1;

FIG. 5 is a schematic view of the structure of the middle sole plate of the present invention;

FIG. 6 is a schematic diagram of the structure of the middle cover plate of the present invention;

FIG. 7 is an enlarged view of structure II of FIG. 2;

fig. 8 is the utility model discloses well shake rope and set up the azimuth.

The labels in the figure are as follows:

1-tower body, 11-first cylinder, 12-reducing taper pipe, 13-second cylinder; 2-diffusing the guide pipe, 21-reinforcing plate; 3-a separator; 4-hand hole; 5-a sewage draining pipe; 6-rib plate; 7-bottom plate, 71-U-shaped hole; 8-cover plate, 81-second fixing hole; 9-backing plate, 91-first fixing hole; 10-a structural foundation; 20-foundation bolts; 30-an exhaust port; 40-pulling the lug; 50-shaking a rope; and 60-anchoring piles.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; 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.

As shown in fig. 1, fig. 3, fig. 4, the utility model provides a natural gas is carried with diffusing tower, it sets up on concrete structure basis 10 to through rag bolt 20 and structure basis 10 fixed connection, diffusing tower includes tower body 1, diffuses the induction pipe 2 and bottom plate 7, the upper end opening of tower body 1, the lower extreme setting is on bottom plate 7, diffuses the induction pipe 2 and sets up on tower body 1 lateral wall. The tower body 1 is of a two-section structure and is provided with a first barrel 11 and a second barrel 13 from bottom to top in sequence, the length ratio of the first barrel 11 to the second barrel 13 is 1: 1-1: 2, a diffusing guide pipe 2 is arranged on the side wall of the first barrel 11 and communicated with an inner cavity of the first barrel 11, the diameter of the first barrel 11 is larger than that of the second barrel 13, the diameter of the second barrel 13 is larger than that of the diffusing guide pipe 2, and the first barrel 11 is connected with the second barrel 13 through a reducing taper pipe 12 in a welding mode; a plurality of rib plates 6 are arranged on the bottom plate 7 along the circumferential direction of the first barrel 11, a cover plate 8 is arranged above the rib plates 6, the cover plate 8 is sleeved on the first barrel 11 and fixedly connected with the first barrel 11 through welding, three edges of each rib plate 6 are fixedly connected with the bottom plate 7, the first barrel 11 and the cover plate 8 through welding, and foundation bolts 20 penetrate through the bottom plate 7 and the cover plate 8 respectively to fix the diffusing tower on the structure foundation 10. The utility model discloses well tower body adopts the different upper and lower two segmentation structures of diameter, can increase the pipe diameter of hypomere structure under the prerequisite of guaranteeing that upper segment structure pipe diameter satisfies the requirement of diffusing, and then increases the wind resistance ability of diffusing the tower body. Additionally, the utility model discloses be equipped with a plurality of gussets along first barrel circumference on the bottom plate, be equipped with the apron in the top of gusset, trilateral respectively with bottom plate, first barrel and apron welded connection of every gusset, constitute gusset reinforcing integrated configuration jointly, will shake the stress dispersion of load lower plate and first barrel junction to gusset reinforcing integrated configuration for diffuse tower overall structure is stable, effectively reduces the fatigue crack of tower body bottom and bottom plate welded junction, and it is effectual to combat earthquakes.

Further, as shown in fig. 5 and 6, 8 circular second fixing holes 81 are uniformly distributed in the cover plate 8 along the circumferential span thereof, 8U-shaped holes 71 are uniformly distributed in the bottom plate 7 along the circumferential edge thereof, the bottom of each U-shaped hole 71 is of a semicircular hole structure, each second fixing hole 81 corresponds to each U-shaped hole 71 one by one, and the center of each second fixing hole 81 vertically coincides with the center of the semicircular hole at the bottom of the corresponding U-shaped hole 71. The bottom plate 7 and the cover plate 8 are both of annular plate structures, the inner ring diameter of the bottom plate 7 is smaller than the inner diameter of the first cylinder 11, the bottom plate 7 can further release stress at a fillet weld when the bottom plate is connected with the first cylinder in a welding mode through the annular plate structures, and fatigue resistance is further improved. The inner ring diameter of the cover plate 8 is matched with the outer diameter of the first cylinder 11, and the outer diameter of the cover plate 8 is larger than that of the bottom plate 7. The utility model discloses in the edge equipartition at the bottom plate sets up U type hole, rather than the circular port that sets up like the apron is gone up along circumference and is striden, this kind of mode of setting has reduced the constraint to the rag bolt who pierces into in the U type hole, when concrete structure basis makes the rag bolt displacement of setting in concrete structure basis take place the fine setting because external environment temperature variation influences (such as expend with heat and contract with cold etc.), can make rag bolt furthest release stress, can not produce great stress because the constraint restriction rag bolt displacement of fixed orifices, and then avoid taking place rag bolt cracked risk. In addition, the bottom plate 7 is an annular plate structure with a circular hole in the center, when the external environment temperature changes greatly and the concrete structure foundation generates a large temperature difference, the bottom plate cannot tilt due to expansion with heat and contraction with cold, and the annular bottom plate can release stress to the maximum extent.

As shown in fig. 4, the number of the anchor bolts 20 is 8, which is the same as the number of the second fixing holes 81 or the U-shaped holes 71, the material of the anchor bolts is 35CrMoA, the number of the rib plates 6 is 2 times of the number of the anchor bolts 20, namely 16, and two sides of each second fixing hole 81 or the U-shaped hole 71 are respectively provided with one rib plate 6.

As shown in fig. 3, the rib plate 6 is a half-trapezoid structure with a straight edge and a wide top and a narrow bottom, the upper end of the rib plate is as wide as the cover plate 8, and the lower end of the rib plate is as wide as the bottom plate 7 outside the first cylinder 11.

As shown in fig. 1, 3 and 4, a backing plate 9 is arranged above each second fixing hole 81 of the cover plate 8, a first fixing hole 91 is formed in the center of each backing plate 9, the diameter of each first fixing hole 91 is matched with the diameter of the anchor bolt 20, and the diameter of each second fixing hole 81 and the diameter of a semicircular hole in the bottom of the U-shaped hole 71 are larger than that of each first fixing hole 91. The anchor bolts 20 pass through the U-shaped holes 71, the second fixing holes 81 and the first fixing holes 91 to fix the diffusing tower to the structural foundation 10. The setting of backing plate 9 plays the effect of increase area of contact, reduce pressure, prevent not hard up and protection bolt.

The diffusing tower is installed perpendicular to the ground, and in rainy areas, rainwater can enter the tower body from the pipe orifice at the upper end of the diffusing tower, possibly causing rainwater accumulation and even flowing into the diffusing guide pipe, and causing corrosion of a diffusing system. As shown in fig. 1, a drain pipe 5 is further arranged on the side wall of the first cylinder 11, and the drain pipe 5 is communicated with the cavity of the first cylinder 11; still be equipped with a baffle 3 in first barrel 11, baffle 3 sets up in first barrel 11 slope, and inclination more than or equal to 3 cuts apart into two upper and lower chambeies with first barrel 11, and the last edge of 3 downward sloping ends of baffle is hugged closely along the lower edge of blow off pipe 5, can be effectively with entering into the ponding such as rainwater in the tower body from the tower body top outside the blow off pipe discharges the tower body.

Still be equipped with a hand hole 4 on the 11 lateral walls of first barrel, hand hole 4 is located blow off 5 tops and switches on with the cavity of first barrel 11 to in taking out debris such as the inside leaf that gathers of tower body, sand blown by the wind, do benefit to the bottom blowdown. The diffusing guide pipe 2, the sewage discharge pipe 5 and the hand hole 4 are arranged along the first barrel body 11 in a vertical staggered mode.

As shown in fig. 2, fig. 7 and fig. 8, the diffusing tower of the present invention may further have a pull lug 40 and a shaking rope 50, wherein the pull lug 40 and the shaking rope 50 are three, and the pull lug 40 is uniformly arranged on the outer side wall of the second cylinder 13 along the circumference. One side of the pull lug 40 is welded with the outer side wall of the second cylinder body 13, a hole is formed in the center of the pull lug 40, one end of the shaking rope 50 is fixedly connected with the pull lug 40 through the center hole of the pull lug 40, and the other end of the shaking rope is fixed on an anchor pile 60 on the ground; the included angle between each shaking rope 50 and the second cylinder 13 is 30-45 degrees. The utility model discloses to use comparatively extensively in bridge trade, power transmission and distribution trade and communication trade, the cable system that has characteristics such as the structure is light and handy, pleasing to the eye, anti-seismic performance is good is used at this tower structure of diffusing, sets up on the second barrel and draws the ear and shake the rope, can bear the horizontal load (wind load, horizontal earthquake effect) that the tower body transmission was come betterly, further improves the antidetonation effect of diffusing the tower. The pull lugs 40 are arranged at positions 1/3-1/2 away from the upper port of the second cylinder 13.

As shown in fig. 1, the upper and lower sides of the diffusion pipe 2 are respectively provided with a reinforcing rib plate 21, the reinforcing rib plate 21 is a right-angled triangular plate, and two right-angled sides of the reinforcing rib plate 21 are respectively fixedly connected with the diffusion pipe 2 and the first barrel 11 by welding. An exhaust port 30 is further provided on the sidewall of the lower end of the first cylinder 11 for exhausting the gas accumulated in the first cylinder 11 below the partition 3.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. The diffusing tower for conveying natural gas is arranged on a concrete structure foundation (10) and is fixedly connected with the structure foundation (10) through foundation bolts (20), the diffusing tower comprises a tower body (1), a diffusing guide pipe (2) and a bottom plate (7), the upper end of the tower body (1) is open, the lower end of the tower body is arranged on the bottom plate (7), the diffusing guide pipe (2) is arranged on the side wall of the tower body (1), and is characterized in that the tower body (1) is of a two-section structure and is provided with a first barrel body (11) and a second barrel body (13) from bottom to top in sequence, the diffusing guide pipe (2) is arranged on the side wall of the first barrel body (11) and is communicated with an inner cavity of the first barrel body (11), the diameter of the first barrel body (11) is larger than that of the second barrel body (13), and the diameter of the second barrel body (13) is larger than that of the diffusing guide pipe (2), the first cylinder (11) and the second cylinder (13) are fixedly connected through a reducing taper pipe (12); follow on bottom plate (7) first barrel (11) circumference is equipped with a plurality of gusset (6) the top of gusset (6) is equipped with apron (8), apron (8) suit is in on first barrel (11), and with fixed connection between first barrel (11), every the trilateral of gusset (6) respectively with bottom plate (7) first barrel (11) with apron (8) fixed connection, rag bolt (20) pass respectively bottom plate (7) with apron (8) will diffuse the tower and fix on structure basis (10).

2. The natural gas conveying diffusing tower according to claim 1, wherein n second fixing holes (81) are uniformly distributed in the cover plate (8) along the circumferential span, n U-shaped holes (71) are uniformly distributed in the bottom plate (7) along the circumferential edge, the bottom of each U-shaped hole (71) is of a semicircular hole structure, each second fixing hole (81) corresponds to each U-shaped hole (71) one by one, the center of each second fixing hole (81) vertically coincides with the circle center of the semicircular hole at the bottom of the corresponding U-shaped hole (71), and n is greater than or equal to 4.

3. The natural gas transportation diffusing tower according to claim 2, wherein the bottom plate (7) and the cover plate (8) are both of an annular plate structure, the inner ring diameter of the bottom plate (7) is smaller than the inner diameter of the first cylinder (11), the inner ring diameter of the cover plate (8) is matched with the outer diameter of the first cylinder (11), and the outer diameter of the cover plate (8) is larger than the outer diameter of the bottom plate (7).

4. The natural gas transportation diffusing tower according to claim 3, wherein the number of the anchor bolts (20) is the same as the number of the second fixing holes (81) or the U-shaped holes (71), the number of the rib plates (6) is 2 times of the number of the anchor bolts (20), and one rib plate (6) is respectively arranged on each of two sides of each of the second fixing holes (81) or the U-shaped holes (71);

the rib plate (6) is of a half-trapezoidal structure with a straight edge and a wide upper part and a narrow lower part, the upper end of the rib plate is consistent with the width of the cover plate (8), and the lower end of the rib plate is consistent with the width of the bottom plate (7) outside the first cylinder (11).

5. The natural gas transportation diffusing tower according to any one of claims 2 to 4, wherein a base plate (9) is provided above each second fixing hole (81) of the cover plate (8), a first fixing hole (91) is formed in the center of each base plate (9), and the anchor bolts (20) pass through the U-shaped holes (71), the second fixing holes (81) and the first fixing holes (91) to fix the diffusing tower to the structural foundation (10).

6. The natural gas conveying diffusing tower according to claim 1, wherein a blow-off pipe (5) and a hand hole (4) are further arranged on the side wall of the first barrel (11), the hand hole (4) is located above the blow-off pipe (5), and the blow-off pipe (5) and the hand hole (4) are respectively communicated with the inner cavity of the first barrel (11); still be equipped with a baffle (3) in first barrel (11), baffle (3) will first barrel (11) are cut apart into two upper and lower chambeies, the lower edge of blow off pipe (5) is hugged closely the upper edge of baffle (3).

7. The natural gas transportation diffusing tower according to claim 6, wherein the partition plate (3) is obliquely arranged in the first cylinder (11), and the lower edge of the sewage discharge pipe (5) is tightly attached to the upper edge of the downward-inclined end of the partition plate (3); the diffusing guide pipe (2), the sewage discharge pipe (5) and the hand hole (4) are arranged along the first barrel body (11) in a vertical staggered mode.

8. The natural gas transportation diffusing tower of claim 1, further comprising three pulling lugs (40) and three shaking ropes (50), wherein the pulling lugs (40) are uniformly distributed on the outer side wall of the second cylinder (13) along the circumference, one end of each shaking rope (50) is fixedly connected with the pulling lug (40), and the other end of each shaking rope is fixed on an anchor pile (60) on the ground; the included angle between each shaking rope (50) and the second cylinder (13) is 30-45 degrees.

9. The natural gas transportation diffusing tower according to claim 8, wherein the length ratio of the first cylinder (11) to the second cylinder (13) is 1: 1-1: 2; the pull lug (40) is arranged at a position which is 1/3-1/2 away from the upper port of the second cylinder body (13).

10. The natural gas conveying diffusing tower according to claim 1, wherein reinforcing rib plates (21) are respectively arranged on the upper side and the lower side of the diffusing pipe (2), the reinforcing rib plates (21) are right-angled triangular plates, and two right-angled edges of the reinforcing rib plates (21) are respectively fixedly connected with the diffusing pipe (2) and the first barrel body (11);

an exhaust port (30) is also arranged on the side wall of the lower end of the first cylinder body (11).

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