CN218879823U - Semi-buried blast furnace gas desulfurization tower - Google Patents
Semi-buried blast furnace gas desulfurization tower Download PDFInfo
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- CN218879823U CN218879823U CN202223142442.9U CN202223142442U CN218879823U CN 218879823 U CN218879823 U CN 218879823U CN 202223142442 U CN202223142442 U CN 202223142442U CN 218879823 U CN218879823 U CN 218879823U
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Abstract
The utility model discloses a semi-buried blast furnace gas desulfurizing tower, which belongs to the technical field of desulfurizing towers. The utility model comprises a lower tower body and an upper tower body, wherein the outer ring of the lower tower body is provided with an inner wall of a lower tower steel plate, and the outer ring of the inner wall of the lower tower steel plate is provided with an outer wall of lower tower concrete; the upper part of the lower tower body is provided with an upper tower body, the inner parts of the lower tower body and the upper tower body are filled with tower internal filler devices, the bottom parts of the side surfaces of the lower tower body and the upper tower body are respectively connected with a gas inlet pipe, and the upper parts of the side surfaces of the lower tower body and the upper tower body are respectively connected with a gas outlet pipe. The utility model discloses be lower tower body and last tower body with the desulfurizing tower split to tower body setting is in the underground down, goes up tower body setting on the ground, can effectively reduce tower body area, and the interior filler device of the tower of being convenient for hoists simultaneously, and moves safe and reliable, can adapt to situations such as blast furnace gas flow is big, pressure is low, the composition is complicated, has higher running value and economic benefits.
Description
Technical Field
The utility model relates to a desulfurizing tower technical field, more specifically say, relate to a half embedded type blast furnace gas desulfurizing tower.
Background
Aiming at the problem that SO2 exceeds the standard after the combustion of the byproduct blast furnace gas of the iron and steel enterprises, the tail end treatment mode is adopted in the past, namely the flue gas after the combustion of the blast furnace gas is desulfurized. With the adjustment of national industrial policies, the emission requirement on SO2 is greatly improved, and the tail end treatment cannot meet the emission requirement, SO that the iron and steel enterprises are required to realize the fine desulfurization of blast furnace gas from the source.
The blast furnace gas source fine desulfurization method mainly comprises two main types of dry desulfurization and wet desulfurization. Regardless of the desulfurization method, the blast furnace gas desulfurization tower is the main equipment. Because the industrial application of blast furnace gas fine desulfurization is just in the beginning stage, blast furnace gas desulfurization towers developed by various units are not perfect. The blast furnace gas has large flow, low pressure, complex components and high requirements on the blast furnace gas desulfurizing tower.
The existing blast furnace gas desulfurizing towers are all exposed high tower-shaped structures, and have the following disadvantages in the using process: the tower body area is big, and the tower body height is high, and the filler device hoist and mount of inside not being convenient for, and it is comparatively loaded down with trivial details to overhaul the operation, and has danger.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
Defect and not enough to prior art exists, the utility model provides a half embedded blast furnace gas desulfurizing tower, the utility model discloses be tower body and last tower body down with the desulfurizing tower split to tower body setting is in the underground down, goes up the tower body setting on the ground, can effectively reduce tower body area, and the tower interior filler device hoist and mount of being convenient for simultaneously, and operation safe and reliable can adapt to situations such as blast furnace gas flow is big, pressure is low, the composition is complicated, has higher running value and economic benefits.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a semi-embedded blast furnace gas desulfurization tower, which comprises a lower tower body and an upper tower body, wherein the outer ring of the lower tower body is provided with a lower tower steel plate inner wall, the outer ring of the lower tower steel plate inner wall is provided with a lower tower concrete outer wall, the lower part of the lower tower steel plate inner wall is provided with a lower tower arc bottom plate, and the upper part of the lower tower steel plate inner wall is provided with a lower tower body top plate;
the center of the lower tower body is provided with a central upright post, the upper part of the lower tower body is provided with an upper tower body, the interiors of the lower tower body and the upper tower body are both filled with an in-tower filler device, and the top of the upper tower body is provided with an upper tower body top plate;
the bottom of the side surface of the lower tower body and the bottom of the side surface of the upper tower body are respectively connected with a coal gas inlet pipe, and the upper parts of the side surfaces of the lower tower body and the upper tower body are respectively connected with a coal gas outlet pipe.
Furthermore, a compensation material layer is filled between the inner wall of the lower tower steel plate and the outer wall of the lower tower concrete.
Further, lower tower arc bottom plate and lower tower steel sheet inner wall welding, lower tower arc bottom plate is the arc and is convenient for the drainage, has seted up a plurality of lower part outlet on the face of arc bottom plate.
Furthermore, the top plate of the lower tower body is formed by assembling a plurality of sector plates, and each sector plate can be disassembled, so that the filling device in the filling tower can be conveniently and periodically hoisted and replaced.
Furthermore, the packing device in the tower is used for filling a desulfurizing agent.
Furthermore, an upper tower airflow distributor and a lower tower airflow distributor are sequentially connected to the pipeline of the gas inlet pipe, and the lower tower airflow distributor extends into the tower body of the lower tower; the upper tower airflow distributor extends into the upper tower body and is detachably assembled with the gas inlet pipe.
Furthermore, the lower tower body is arranged underground, and the upper tower body is arranged on the ground.
Furthermore, when the desulfurization tower normally adsorbs and works, blast furnace gas enters the lower tower body and the upper tower body from the gas inlet pipe respectively, the pipeline of the gas inlet pipe is sequentially connected with the upper tower airflow distributor and the lower tower airflow distributor, the gas uniformly passes through the tower internal packing device through the upper tower airflow distributor and the lower tower airflow distributor, and the tower internal packing device is internally provided with a desulfurizer material for adsorbing H in the gas 2 S and COS.
Furthermore, after the desulfurizing tower runs for a period of time, the desulfurizing agent is adsorbed and saturated, at the moment, the system is switched to a desorption state through a pipeline and a valve group, at the moment, a gas inlet pipe becomes a high-temperature gas inlet for desorption, a gas outlet pipe becomes a crude desorption gas outlet, the saturated desulfurizing agent recovers the adsorption capacity after high-temperature desorption,
furthermore, after the desulfurizer runs for a long time, the desulfurizer needs to be replaced after the desulfurizer is completely invalid and cannot be desorbed and utilized, at the moment, the top plate of the upper tower body is removed, then the air flow distributor of the upper tower and the top plate of the lower tower body are sequentially removed, the packing device in the lower tower body is lifted out for replacing the packing, and then the packing device in the upper tower body is lifted out for replacing the packing.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the utility model discloses be lower tower body and last tower body with the desulfurizing tower split to tower body setting is in the underground down, goes up tower body setting on the ground, can effectively reduce tower body area, and the interior filler device of the tower of being convenient for hoists simultaneously, and moves safe and reliable, can adapt to situations such as blast furnace gas flow is big, pressure is low, the composition is complicated, has higher running value and economic benefits.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is an analytic state diagram of the desulfurizing tower of the present invention;
FIG. 3 is a top plate structure view of the lower tower body of the present invention;
fig. 4 is a partial cross-sectional view of the lower tower body of the present invention.
In the figure: 1. a lower tower body; 101. the concrete outer wall of the lower tower; 102. the inner wall of the lower tower steel plate; 103. an arc-shaped bottom plate of the lower tower; 104. a central upright post; 105. a tower body top plate of the lower tower; 106. a lower water discharge port; 107. a packing device in the tower; 108. a gas inlet pipe; 109. a gas outlet pipe; 110. a layer of compensating material; 111. a lower column gas flow distributor; 2. an upper tower body; 201. a tower body top plate of the upper tower; 202. an upper tower airflow distributor.
Detailed Description
The invention is further described below with reference to the following figures and examples:
example 1
As can be seen from fig. 1, the semi-buried blast furnace gas desulfurization tower of the present embodiment includes a lower tower body 1 and an upper tower body 2, an inner wall 102 of a lower tower steel plate is arranged on an outer ring of the lower tower body 1, an outer wall 101 of lower tower concrete is arranged on an outer ring of the inner wall 102 of the lower tower steel plate, an arc-shaped bottom plate 103 of a lower tower is arranged on a lower portion of the inner wall 102 of the lower tower steel plate, and a top plate 105 of the lower tower body is arranged on an upper portion of the inner wall 102 of the lower tower steel plate;
a central upright column 104 is arranged at the center of the lower tower body 1, the central upright column 104 is a steel structure upright column and is used for supporting tower internals, an upper tower body 2 is arranged at the upper part of the lower tower body 1, the inner parts of the lower tower body 1 and the upper tower body 2 are both filled with an in-tower filling device 107, and the top of the upper tower body 2 is provided with an upper tower body top plate 201;
the bottom of the side surfaces of the lower tower body 1 and the upper tower body 2 are respectively connected with a gas inlet pipe 108, and the upper parts of the side surfaces of the lower tower body 1 and the upper tower body 2 are respectively connected with a gas outlet pipe 109.
As can be seen from fig. 4, a compensation material layer 110 is filled between the inner wall 102 of the lower tower steel plate and the outer wall 101 of the lower tower concrete, the outer wall 101 of the lower tower concrete is used for resisting the soil pressure, stabilizing the tower body and playing a certain role in water resistance, and the compensation material layer 110 is used for compensating the temperature deformation of the inner wall of the lower tower steel plate.
Lower tower arc bottom plate 103 and lower tower steel sheet inner wall 102 welding, lower tower arc bottom plate 103 is the arc and is convenient for the drainage, has seted up a plurality of lower part outlet 106 on the face of arc bottom plate 3, handles after the drainage drains into the sump pit.
As can be seen from FIG. 3, the tower top plate 105 of the lower tower is formed by assembling a plurality of sector plates, and each sector plate can be disassembled, so that the packing device 107 in the replacement and filling tower can be conveniently and periodically hoisted.
The packing device 107 in the tower is used for filling the desulfurizer, and the packing device 107 in the tower is composed of detachable hoisting modules.
The lower tower body 1 is arranged underground, the upper tower body 2 is arranged on the ground, the occupied area of the tower body can be effectively reduced, the packing device 107 in the tower can be conveniently hoisted, and the operation is safe and reliable.
Example 2
As can be seen from fig. 1, in the semi-buried blast furnace gas desulfurization tower of the present embodiment, the pipeline of the gas inlet pipe 108 is sequentially connected with the upper tower gas flow distributor 202 and the lower tower gas flow distributor 111, and the lower tower gas flow distributor 111 extends into the lower tower body 1; the upper tower gas flow distributor 202 extends into the upper tower body 2, and the upper tower gas flow distributor 202 is detachably assembled with the gas inlet pipe 108.
When the desulfurization tower normally adsorbs and works, blast furnace gas enters the lower tower body 1 and the upper tower body 2 from the gas inlet pipe 108, the pipeline of the gas inlet pipe 108 is sequentially connected with the upper tower airflow distributor 202 and the lower tower airflow distributor 111, the gas passes through the upper tower airflow distributor 202 and the lower tower airflow distributor 111 and uniformly passes through the tower internal packing device 107, and a desulfurizer material is filled in the tower internal packing device 107 and is used for adsorbing H in the gas 2 S and COS.
The gas inlet pipe 108 is used for exhausting gas, and the gas is discharged out of the tower body after being adsorbed and purified by the desulfurizer of the packing device 107 in the tower.
Example 3
As can be seen from fig. 2, in the operating method of the semi-buried blast furnace gas desulfurization tower in this embodiment, after the desulfurization tower operates for a period of time, the desulfurizing agent is adsorbed and saturated, at this time, the system is switched to a desorption state through the pipeline and the valve bank, at this time, the gas inlet pipe 108 becomes a high-temperature gas inlet for desorption, the gas outlet pipe 109 becomes a crude gas outlet for desorption, and the saturated desulfurizing agent recovers the adsorption capacity after high-temperature desorption.
Example 4
In the working method of the semi-embedded blast furnace gas desulfurization tower of the embodiment, after the desulfurizing agent runs for a long time and is completely invalid and cannot be desorbed and utilized, the desulfurizing agent needs to be replaced, at this time, the top plate 201 of the upper tower body is removed, then the gas flow distributor 202 of the upper tower and the top plate 105 of the lower tower body are sequentially removed, the packing device 107 in the lower tower body 1 is lifted out for replacing the packing, and then the packing device 107 in the upper tower body 2 is lifted out for replacing the packing.
The utility model discloses be lower tower body 1 and last tower body 2 with the desulfurizing tower split to tower body 1 sets up underground down, goes up tower body 2 and sets up on the ground, can effectively reduce tower body area, and the interior filler device 107 of the tower of being convenient for hoists simultaneously, and moves safe and reliable, can adapt to situations such as blast furnace gas flow is big, pressure is low, the composition is complicated, has higher running value and economic benefits.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art should understand that without departing from the spirit of the present invention, the person skilled in the art should not inventively design the similar structural modes and embodiments to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a half embedded blast furnace gas desulfurizing tower, includes tower body (1) and last tower body (2) down, its characterized in that: the outer ring of the lower tower body (1) is provided with a lower tower steel plate inner wall (102), the outer ring of the lower tower steel plate inner wall (102) is provided with a lower tower concrete outer wall (101), the lower part of the lower tower steel plate inner wall (102) is provided with a lower tower arc-shaped bottom plate (103), and the upper part of the lower tower steel plate inner wall (102) is provided with a lower tower body top plate (105);
a central upright column (104) is arranged at the center of the lower tower body (1), an upper tower body (2) is arranged at the upper part of the lower tower body (1), the interiors of the lower tower body (1) and the upper tower body (2) are both filled with an in-tower filling device (107), and an upper tower body top plate (201) is arranged at the top of the upper tower body (2);
the lateral bottoms of the lower tower body (1) and the upper tower body (2) are respectively connected with a gas inlet pipe (108), and the lateral upper parts of the lower tower body (1) and the upper tower body (2) are respectively connected with a gas outlet pipe (109).
2. The semi-embedded blast furnace gas desulfurization tower of claim 1, characterized in that: and a compensation material layer (110) is filled between the inner wall (102) of the lower tower steel plate and the outer wall (101) of the lower tower concrete.
3. The semi-embedded blast furnace gas desulfurization tower of claim 1, characterized in that: lower tower arc bottom plate (103) and lower tower steel sheet inner wall (102) welding, lower tower arc bottom plate (103) are the arc and are convenient for the drainage, have seted up a plurality of lower part outlet (106) on the face of arc bottom plate (3).
4. The semi-embedded blast furnace gas desulfurization tower of claim 1, characterized in that: the lower tower body top plate (105) is formed by assembling a plurality of sector plates, and each sector plate can be disassembled, so that the filling device (107) in the tower is conveniently and periodically hoisted and replaced.
5. The semi-embedded blast furnace gas desulfurization tower of claim 1, characterized in that: the packing device (107) in the tower is used for filling a desulfurizing agent.
6. The semi-embedded blast furnace gas desulfurization tower of claim 1, characterized in that: the pipeline of the gas inlet pipe (108) is sequentially connected with an upper tower gas flow distributor (202) and a lower tower gas flow distributor (111), and the lower tower gas flow distributor (111) extends into the lower tower body (1); the upper tower airflow distributor (202) extends into the upper tower body (2), and the upper tower airflow distributor (202) is detachably assembled with the gas inlet pipe (108).
7. The semi-embedded blast furnace gas desulfurization tower of claim 1, characterized in that: the lower tower body (1) is arranged underground, and the upper tower body (2) is arranged on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223142442.9U CN218879823U (en) | 2022-11-25 | 2022-11-25 | Semi-buried blast furnace gas desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223142442.9U CN218879823U (en) | 2022-11-25 | 2022-11-25 | Semi-buried blast furnace gas desulfurization tower |
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| Publication Number | Publication Date |
|---|---|
| CN218879823U true CN218879823U (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223142442.9U Active CN218879823U (en) | 2022-11-25 | 2022-11-25 | Semi-buried blast furnace gas desulfurization tower |
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| CN (1) | CN218879823U (en) |
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- 2022-11-25 CN CN202223142442.9U patent/CN218879823U/en active Active
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