Titanium composite plate deacidification ammonia stripping tower

Abstract

The present application relates to the technical field of deacidification ammonia distillation tower, and particularly relates to a titanium composite plate deacidification ammonia distillation tower. The acid vapor outlet is fixedly connected to the top of the tower body, and the lean liquid outlet is fixedly connected to the bottom of the tower body; the steam inlet penetrates the tower body and is connected to the steam inlet support through a connecting piece, and the steam inlet support is fixedly connected to the lower part of the tower body; the filler bracket penetrates the tower body and is connected to the support seat through a connecting piece, the support seat is fixedly connected to the middle part of the tower body, and the filler is placed on the filler bracket; the rich liquid inlet penetrates the tower body and is connected to the rich liquid inlet through a connecting piece, and the rich liquid inlet support is fixedly connected to the upper part of the tower body; the tower body, the acid vapor outlet, the lean liquid outlet, the steam inlet support, the support seat and the rich liquid inlet support are made of titanium composite plates; and the steam inlet, the filler bracket and the rich liquid inlet are made of titanium. Under the premise of meeting the use requirements, the main structure of the deacidification ammonia distillation tower is made of titanium composite plates, so that the production cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of deacidification ammonia distillation tower, and particularly relates to a titanium composite plate deacidification ammonia distillation tower. BACKGROUND

[0002] In the coking industry, ammonia water method is used for desulfurization, ammonia in coal gas is used as alkali source, ammonia water solution is used as washing medium, and ammonia and sulfur are combined to wash and remove hydrogen sulfide in the coal gas. Desorption of ammonia and hydrogen sulfide is carried out in a deacidification ammonia distillation tower. The deacidification ammonia distillation tower is used to desorb acid gases such as ammonia and hydrogen sulfide in the desulfurization rich solution from the washing section, send the acid gases to the next section, obtain qualified desulfurization lean solution, and send the desulfurization lean solution to the desulfurization section for desulfurization.

[0003] Because of serious corrosion of acid gases, the deacidification ammonia distillation tower is currently made of titanium material, which has high cost. Because titanium and steel have poor weldability, titanium composite plates are rarely applied to the deacidification ammonia distillation tower. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the present application provides a titanium composite plate deacidification ammonia distillation tower, which is made of titanium composite plates in the main body structure of the deacidification ammonia distillation tower to greatly reduce the production cost under the premise of meeting the use requirements.

[0005] In order to achieve the above purpose, the following technical scheme is adopted in the present application:

[0006] A titanium composite plate deacidification ammonia distillation tower comprises a tower body, a lean solution outlet, a steam inlet, a filler bracket, fillers, a rich solution inlet and an acid gas outlet. The acid gas outlet is fixedly connected to the top of the tower body, and the lean solution outlet is fixedly connected to the bottom of the tower body. The steam inlet penetrates the tower body and is connected to a steam inlet support through a connecting piece, and the steam inlet support is fixedly connected to the lower part of the tower body. The filler bracket penetrates the tower body and is connected to a support seat through a connecting piece, and the support seat is fixedly connected to the middle part of the tower body. The fillers are placed on the filler bracket. The rich solution inlet penetrates the tower body and is connected to a rich solution inlet support through a connecting piece, and the rich solution inlet support is fixedly connected to the upper part of the tower body. The tower body, the acid gas outlet, the lean solution outlet, the steam inlet support, the support seat and the rich solution inlet support are made of titanium composite plates. The steam inlet, the filler bracket and the rich solution inlet are made of titanium material.

[0007] Further, the tower body comprises a lower head, a cylinder and an upper head. The cylinder is a cylinder, the upper head is fixedly connected to the top of the cylinder, and the lower head is fixedly connected to the bottom of the cylinder.

[0008] Further, the steam inlet comprises a steam pipe, a steam flange and a first flange, the steam flange is fixedly connected to the end of the steam pipe, and the first flange is fixedly connected to one end of the steam pipe; the steam inlet support comprises a first seat cylinder, a second seat cylinder and a first flange cover, the cylinder body of the first seat cylinder is fixedly connected to one side of the tower body, and the flange of the first seat cylinder is bolted to the first flange; the flange of the second seat cylinder is bolted to the first flange cover; the first support plate is arranged in the cylinder body of the second seat cylinder, and the other end of the steam pipe is fixedly connected to the first support plate through a U-shaped bolt.

[0009] Further, the packing bracket comprises beams and connecting plates, a plurality of beams are arranged horizontally and transversely, the beams penetrate through the tower body, and the beams in the tower body are connected through a plurality of longitudinal connecting plates.

[0010] Further, the beams are titanium I-beams.

[0011] Further, the connecting plates and the beams are connected through bolts.

[0012] Further, the support seat comprises a support seat cylinder body, a support seat flange and a second flange cover, one end of the support seat cylinder body is fixedly connected to the tower body, the support seat flange is fixedly connected to the other end of the support seat cylinder body, the second flange cover is bolted to the support seat flange, and the second support plate is arranged in the support seat cylinder body; the beams are fixedly connected to the second support plate through bolts.

[0013] Further, the grille is made of titanium material, the grille is placed on the packing bracket, and the packing is placed on the grille.

[0014] Further, the rich liquid inlet comprises a rich liquid pipe, a rich liquid flange and a second flange, the rich liquid flange is fixedly connected to the end of the rich liquid pipe, and the second flange is fixedly connected to one end of the rich liquid pipe; the rich liquid inlet support comprises a third seat cylinder, a fourth seat cylinder and a third flange cover, the cylinder body of the third seat cylinder is fixedly connected to one side of the tower body, the flange of the third seat cylinder is bolted to the second flange, the flange of the fourth seat cylinder is bolted to the third flange cover, and the third support plate is arranged in the cylinder body of the fourth seat cylinder; the other end of the rich liquid pipe is fixedly connected to the third support plate through a U-shaped bolt.

[0015] Further, the manhole and the skirt are fixedly connected to the tower body, and the tower body is fixedly connected to the skirt; the manhole is made of titanium clad plate, and the skirt is made of carbon steel.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] 1, The main structure of the application: tower body, acid vapor outlet, lean liquid outlet, steam inlet support, support seat and rich liquid inlet support are made of titanium composite plate, which greatly reduces the production cost compared with titanium material. The steam inlet, the filler bracket and the rich liquid inlet are made of titanium material. The steam inlet, the filler bracket and the rich liquid inlet are connected with the tower body through connecting pieces, which meets the use requirements and avoids the welding of titanium material and titanium composite plate.

[0018] 2, The seat cylinder is fixed on both sides of the tower body. The rich liquid inlet and the steam inlet are installed on the seat cylinder on one side of the tower body through flanges and bolts. The other end of the rich liquid inlet and the steam inlet is installed on the seat cylinder on the other side of the tower body through U-shaped bolts and support plates. It is detachable and convenient for installation and maintenance.

[0019] 3, The support seat is fixed on both sides of the tower body. The two ends of the filler bracket are fixed on the support seat through bolts. The filler support part adopts a detachable structure and is fixed with bolts, which is good in stress. DETAILED DESCRIPTION

[0020] Figure 1 It is the main view of the structure of the application;

[0021] Figure 2 It is the A-A sectional view of Figure 1

[0022] Figure 3 It is the B-B sectional view of Figure 1

[0023] Figure 4 It is the C-C sectional view of Figure 1

[0024] Figure 5 It is the D-D sectional view of Figure 1

[0025] Figure 6 It is the main view of the structure of the connecting plate of the application;

[0026] Figure 7 It is the top view of the structure of the connecting plate of the application.

[0027] ​​​​In the figure: 11 - lower head 12 - cylinder 13 - upper head 2 - lean liquid outlet 31 - steam pipe 32 - steam flange 33 - first flange 34 - first seat cylinder 35 - second seat cylinder 36 - first flange cover 37 - first titanium support plate 38 - titanium U-shaped bolt 41 - titanium I-beam 42 - connecting plate 43 - support seat outer cylinder 44 - support seat flange 45 - second flange cover 46 - support seat inner cylinder 47 - upper support plate 48 - lower support plate 49 - waist support plate 5 - filler 61 - rich liquid pipe 62 - rich liquid flange 63 - second flange 64 - third seat cylinder 65 - fourth seat cylinder 66 - third flange cover 67 - third titanium support plate 68 - titanium nozzle 7 - acid vapor outlet 8 - grating 9 - manhole 10 - skirt DETAILED DESCRIPTION

[0028] The embodiments of the present application will be described in detail below with reference to the drawings, in which the same or similar components have the same or similar designations throughout the several figures. The embodiments described below are exemplary, and are merely intended to explain the present application, and are not to be understood as limiting the present application.

[0029] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to 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 cannot be understood as limiting the present application. In the description of the present application, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030]

EMBODIMENT

[0031] As Figures 1-7 shown, a titanium composite plate deacidification ammonia stripping tower includes a tower body, a lean liquid outlet 2, a steam inlet, a filler bracket, a filler 5, a rich liquid inlet, an acid vapor outlet 7, a grating 8, a manhole 9 and a skirt 10.

[0032] The tower body is made of titanium composite plate, the skirt 10 is made of carbon steel, the tower body is welded from the lower head 11, the cylinder 12 and the upper head 13 from bottom to top, the cylinder 12 is vertical, the cylinder 12 is a cylinder, and the lower head 11 and the upper head 13 are elliptical heads. The lower head 11 is welded on the skirt 10, and the skirt 10 supports the tower body.

[0033] The lean liquid outlet 2, the manhole 9 and the acid vapor outlet 7 are all made of titanium composite plate, the lean liquid outlet 2 is welded at the bottom of the lower head 11, the two manholes 9 are welded at the upper and lower parts of the sidewall of the cylinder 12 respectively, and the acid vapor outlet 7 is welded at the top of the upper head 13.

[0034] The steam inlet is made of titanium material and includes a steam pipe 31, a steam flange 32 and a first flange 33. The steam pipe 31 is horizontally arranged and penetrates through the cylinder 12, the steam flange 32 is fixedly connected to the left end of the steam pipe 31, and the first flange 33 is fixedly connected to the left end of the steam pipe 31. The steam pipe 31 is uniformly perforated inside the tower body, so that the steam is uniformly distributed to the bottom of the filler 5.

[0035] The steam inlet support is made of titanium composite plate and includes a first seat cylinder 34, a second seat cylinder 35 and a first flange cover 36. The cylinder of the first seat cylinder 34 and the cylinder of the second seat cylinder 35 are welded to the lower parts of the left and right sides of the tower body cylinder 12 respectively, the flange of the first seat cylinder 34 is bolted to the first flange 33, and the flange of the second seat cylinder 35 is bolted to the first flange cover 36. The cylinder of the second seat cylinder 35 is provided with a first titanium support plate 37, and the right end of the steam pipe 31 is fixedly connected to the first titanium support plate 37 through a titanium U-shaped bolt 38.

[0036] The filler bracket is installed above the steam inlet and is made of titanium material and includes a titanium I-beam 41 and a connecting plate 42. The titanium I-beam 41 can be welded from titanium plates or made of titanium I-beams, the titanium I-beam 41 penetrates through the cylinder 12, and the two titanium I-beams 41 are horizontally arranged and symmetrically distributed on the front and rear sides of the cylinder 12. The connecting plate 42 is horizontally and longitudinally arranged, and two connecting plates 42 are arranged, the two connecting plates 42 are symmetrically arranged on the left and right sides, the front end of the connecting plate 42 is connected to the titanium I-beam 41 on the front side through a titanium bolt, and the rear end of the connecting plate 42 is connected to the titanium I-beam 41 on the rear side through a titanium bolt.

[0037] The support seat is made of titanium composite plate and includes a support seat outer cylinder 43, a support seat flange 44, a second flange cover 45 and a support seat inner cylinder 46. One end of the support seat outer cylinder 43 is fixedly connected to the cylinder 12, the support seat flange 44 is fixedly connected to the other end of the support seat outer cylinder 43, and the second flange cover 45 is bolted to the support seat flange 44.

[0038] The outer diameter of the support seat inner cylinder 46 is slightly smaller than the inner diameter of the support seat outer cylinder 43, and the support seat inner cylinder 46 is arranged in the support seat outer cylinder 43. The support seat inner cylinder 46 is internally provided with second titanium support plates, namely an upper support plate 47, a lower support plate 48 and a waist support plate 49. The upper edge of the titanium I-beam 41 is connected to the upper support plate 47 through titanium bolts, the lower edge of the titanium I-beam 41 is connected to the lower support plate 48 through titanium bolts, and the waist of the titanium I-beam 41 is connected to the waist support plate 49 through titanium bolts.

[0039] The titanium bolts on the upper support plate 47 and the lower support plate 48 adjust the horizontal deviation of the titanium I-beam 41 and fix the titanium I-beam 41. The titanium bolts on the waist support plate 49 adjust the spacing of the titanium I-beam 41 and fix the titanium I-beam 41, and the nuts are welded to the titanium I-beam 41.

[0040] The spacer 8 is made of titanium material, and the spacer 8 is placed on the packing support, and the packing 5 is placed on the spacer 8. The spacer 8 supports the packing 5. The packing 5 can be porcelain, plastic or titanium corrosion-resistant material, and can be loose packing or structured packing. When the particle size of the packing 5 is small, a titanium mesh can be placed on the upper part of the spacer 8.

[0041] The rich liquid inlet is installed above the packing 5 and is made of titanium material, including a rich liquid pipe 61, a rich liquid flange 62 and a second flange 63. The rich liquid pipe 61 horizontally penetrates the cylinder 12, the rich liquid flange 62 is welded at the left end of the rich liquid pipe 61, and the second flange 63 is welded at the right end of the rich liquid pipe 61. The rich liquid pipe 61 is internally provided with a titanium nozzle 68.

[0042] The rich liquid inlet support is made of titanium composite plate, including a third seat cylinder 64, a fourth seat cylinder 65 and a third flange cover 66. The cylinder bodies of the third seat cylinder 64 and the fourth seat cylinder 65 are fixedly connected to the left and right sides of the upper part of the tower body cylinder 12, the flange of the third seat cylinder is connected to the second flange 63 through bolts, and the flange of the fourth seat cylinder is connected to the third flange cover 66 through bolts.

[0043] The cylinder body of the fourth seat cylinder is internally provided with a third titanium support plate 67, and the right end of the rich liquid pipe 61 is fixedly connected to the third titanium support plate 67 through a titanium U-shaped bolt 38.

[0044] In this embodiment, the desulfurization rich liquid from the desulfurization rich liquid inlet titanium nozzle 68 is uniformly sprayed onto the packing 5, and the desulfurization rich liquid is in countercurrent contact with the bottom steam at the packing 5, so as to realize the desorption of ammonia gas and acidic gas such as hydrogen sulfide in the rich liquid. The acidic gas enters the next process through the top acid gas outlet 7, and the desulfurization lean liquid after the desorption of the rich liquid is obtained at the bottom, and is sent to the desulfurization section through the lean liquid outlet 2 to absorb hydrogen sulfide in the coal gas.

[0045] The main body structure of the deacidification ammonia evaporation tower adopts titanium composite plate, reduces cost, and meets corrosion resistance requirements. A detachable steam inlet and a rich liquid inlet are adopted, and installation and maintenance are convenient. The packing support part adopts a detachable structure and is fixed by bolts, and stress is good.

[0046] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacements or changes to the technical solutions and the inventive concept of the present application within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1.A titanium composite plate deacidification ammonia stripping tower, characterized in that: it comprises a tower body, a lean liquid outlet, a steam inlet, a filler support, fillers, a rich liquid inlet and an acid vapor outlet; the acid vapor outlet is fixedly connected to the top of the tower body, and the lean liquid outlet is fixedly connected to the bottom of the tower body; the steam inlet penetrates through the tower body and is connected to a steam inlet support through a connecting piece, the steam inlet support is fixedly connected to the lower part of the tower body; the filler support penetrates through the tower body and is connected to a support seat through a connecting piece, the support seat is fixedly connected to the middle part of the tower body, and the fillers are placed on the filler support; the rich liquid inlet penetrates through the tower body and is connected to a rich liquid inlet support through a connecting piece, the rich liquid inlet support is fixedly connected to the upper part of the tower body; the tower body, the acid vapor outlet, the lean liquid outlet, the steam inlet support, the support seat and the rich liquid inlet support are made of titanium composite plate; the steam inlet, the filler support and the rich liquid inlet are made of titanium material; the filler support comprises beams and connecting plates, a plurality of beams are arranged horizontally and transversely, the beams penetrate through the tower body, and the beams in the tower body are connected through a plurality of longitudinal connecting plates; the beams are titanium I-beams; the connecting plates are connected to the beams through bolts; the support seat comprises a support seat cylinder, a support seat flange and a second flange cover; one end of the support seat cylinder is fixedly connected to the tower body, the support seat flange is fixedly connected to the other end of the support seat cylinder, and the second flange cover is bolted to the support seat flange; a second support plate is arranged in the support seat cylinder, and the beams are fixedly connected to the second support plate through bolts. 2.The titanium composite plate deacidification ammonia stripping tower according to claim 1, characterized in that: the tower body comprises a lower head, a cylinder and an upper head, the cylinder is a cylindrical body, the upper head is fixedly connected to the top of the cylinder, and the lower head is fixedly connected to the bottom of the cylinder. 3.The titanium composite plate deacidification ammonia stripping tower according to claim 1, characterized in that: the steam inlet comprises a steam pipe, a steam flange and a first flange, the steam flange is fixedly connected to the end of the steam pipe, and the first flange is fixedly connected to one end of the steam pipe; the steam inlet support comprises a first seat cylinder, a second seat cylinder and a first flange cover, the cylinder of the first seat cylinder is fixedly connected to one side of the tower body, the flange of the first seat cylinder is bolted to the first flange, and the flange of the second seat cylinder is bolted to the first flange cover; a first support plate is arranged in the cylinder of the second seat cylinder, and the other end of the steam pipe is fixedly connected to the first support plate through a U-shaped bolt. 4.The titanium composite plate deacidification ammonia stripping tower according to claim 1, characterized in that: it further comprises a grating made of titanium material, the grating is placed on the filler support, and the fillers are placed on the grating. 5.The titanium composite plate deacidification ammonia stripping tower according to claim 1, characterized in that: the rich liquid inlet comprises a rich liquid pipe, a rich liquid flange and a second flange, the rich liquid flange is fixedly connected to the end of the rich liquid pipe, and the second flange is fixedly connected to one end of the rich liquid pipe; the rich liquid inlet support comprises a third seat cylinder, a fourth seat cylinder and a third flange cover, the cylinder of the third seat cylinder is fixedly connected to one side of the tower body, the flange of the third seat cylinder is bolted to the second flange, and the flange of the fourth seat cylinder is bolted to the third flange cover; a third support plate is arranged in the cylinder of the fourth seat cylinder, and the other end of the rich liquid pipe is fixedly connected to the third support plate through a U-shaped bolt. 6.The titanium composite plate deacidification ammonia stripping tower according to claim 1, characterized in that: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The manhole is fixedly connected to the tower body, and the tower body is fixedly connected to the skirt. The manhole is made of titanium clad plate, and the skirt is made of carbon steel.

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