CN216799064U - Condensate acid collecting device in sulfuric acid production - Google Patents
Condensate acid collecting device in sulfuric acid production Download PDFInfo
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- CN216799064U CN216799064U CN202123051301.1U CN202123051301U CN216799064U CN 216799064 U CN216799064 U CN 216799064U CN 202123051301 U CN202123051301 U CN 202123051301U CN 216799064 U CN216799064 U CN 216799064U
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- flue gas
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Abstract
The utility model relates to the technical field of industrial sulfuric acid production equipment, in particular to a condensed acid collecting device in sulfuric acid production, which collects and discharges condensed acid in a flue gas pipeline by being distributed on the flue gas pipeline, and comprises: the acid mist sedimentation funnel, an acid discharge pipe connected with the acid mist sedimentation funnel and a conveying pipeline connected with the acid discharge pipe and used for discharging the collected condensed acid to a dilute sulfuric acid tank; the open mouth of the acid mist settling funnel is fixed at the bottom of the flue gas pipeline and is communicated with the inner cavity of the flue gas pipeline, and the acid discharge pipe is communicated with the necking mouth of the acid mist settling funnel. The utility model has simple structure and scientific and reasonable design, can discharge the condensed acid of the flue gas pipeline to the dilute sulfuric acid tank, can not enter the subsequent conversion process, can effectively protect equipment such as a heat exchanger, a converter and the like in the conversion process, better prolongs the service life of the equipment, greatly shortens the system shutdown time, reduces the equipment maintenance cost, is convenient to install and maintain and is convenient to apply in actual scenes.
Description
Technical Field
The utility model relates to the technical field of industrial sulfuric acid production equipment, in particular to a condensed acid collecting device in sulfuric acid production.
Background
In the industrial sulfuric acid production, the absorption tower in the dry absorption process absorbs SO3The in-process can produce acid mist, and acid mist can form equipment such as dilute sulphuric acid corrosion conversion heat exchanger along with the flue gas through the pipeline entering conversion process, receives the temperature influence, causes heat exchanger heat transfer pipeline to corrode easily, and the gas leakage appears, leads to SO3, SO2 to crowd, and the inside heat exchange tube of heat exchanger is more and intensive, and it is more difficult to look for the seepage pipeline, and the maintenance is difficult, influences production. Therefore, the problem that the acid mist does not enter the conversion system or only slightly enters the conversion system is necessary to be solved in the industrial sulfuric acid production.
Disclosure of Invention
Therefore, the utility model provides the condensed acid collecting device in the sulfuric acid production, which is convenient to install and maintain and saves the cost.
According to the design scheme provided by the utility model, the device for collecting the condensed acid in the sulfuric acid production, which is used for collecting and discharging the condensed acid in the flue gas pipeline by being distributed on the flue gas pipeline, comprises: the acid mist sedimentation funnel, an acid discharge pipe connected with the acid mist sedimentation funnel and a conveying pipeline connected with the acid discharge pipe and used for discharging the collected condensed acid to a dilute sulfuric acid tank; the open mouth of the acid mist settling funnel is fixed at the bottom of the flue gas pipeline and is communicated with the inner cavity of the flue gas pipeline, and the acid discharge pipe is communicated with the necking mouth of the acid mist settling funnel.
As the condensed acid collecting device in the sulfuric acid production, further, a pore plate for changing the airflow direction of the inner cavity of the flue gas pipeline is arranged at the joint of the inner cavity of the flue gas pipeline and the open mouth of the acid mist settling funnel; the pore plate is provided with a plurality of air holes.
As the condensed acid collecting device in the sulfuric acid production, a plurality of air holes are further arranged on the pore plate in different geometric shapes and/or arrangement modes.
As the condensed acid collecting device in the sulfuric acid production, the pore plate is in a semicircular plane plate structure.
As the condensed acid collecting device in the sulfuric acid production, a valve of a conveying pipeline for periodically discharging the collected condensed acid to a dilute sulfuric acid tank is further arranged on the acid discharging pipe.
As the condensed acid collecting device in the sulfuric acid production, an acid mist settling funnel is made of corrosion-resistant stainless steel.
As the condensed acid collecting device in the sulfuric acid production, the collecting device is further arranged at the bottom of the flue gas pipeline at intervals according to a preset distance.
The utility model has the beneficial effects that:
the utility model has simple structure and scientific and reasonable design, can discharge the condensed acid of the flue gas pipeline to the dilute sulfuric acid tank, can not enter the subsequent conversion process, can effectively protect equipment such as a heat exchanger, a converter and the like in the conversion process, better prolongs the service life of the equipment, greatly shortens the system shutdown time, reduces the equipment maintenance cost, is convenient to install and maintain and has better application value.
Description of the drawings:
FIG. 1 is a schematic diagram of a condensed acid collecting device in the production of sulfuric acid in the embodiment;
FIG. 2 is a side view taken along line A in FIG. 1 in the example.
In the figure, the reference numeral 1 represents an acid mist settling funnel, the reference numeral 2 represents an orifice plate, the reference numeral 3 represents an acid discharge pipe, the reference numeral 4 represents a valve, and the reference numeral 5 represents a conveying pipeline.
The specific implementation mode is as follows:
the present invention will be described in further detail below with reference to the accompanying drawings and technical solutions, and embodiments of the present invention will be described in detail by way of preferred examples, but the embodiments of the present invention are not limited thereto.
An embodiment of the present invention, as shown in fig. 1 and 2, provides a condensed acid collecting device in sulfuric acid production, which collects and discharges condensed acid in a flue gas duct by being arranged on the flue gas duct, and includes: the acid mist sedimentation funnel 1, an acid discharge pipe 3 connected with the acid mist sedimentation funnel 1, and a conveying pipeline 5 connected with the acid discharge pipe 3 and used for discharging collected condensed acid to a dilute sulfuric acid tank; the open mouth of the acid mist settling funnel 1 is fixed at the bottom of the flue gas pipeline and communicated with the inner cavity of the flue gas pipeline, and the acid discharge pipe 3 is communicated with the throat of the acid mist settling funnel 1. Simple structure, compactness can discharge flue gas pipeline's condensation acid to dilute sulfuric acid tank, be unlikely to enter into the conversion process of back end, can effectively protect equipment such as heat exchanger, converter in the conversion process, better extension equipment life, shorten system's down time by a wide margin, reduce equipment maintenance cost.
As the condensed acid collecting device in the embodiment of the utility model, a pore plate 2 for changing the airflow direction of the inner cavity of the flue gas pipeline is arranged at the connection part of the inner cavity of the flue gas pipeline and the open opening of the acid mist settling funnel 1; the pore plate 2 is provided with a plurality of air holes. The pore plate 2 is utilized to change the airflow in the corresponding section in the flue gas pipeline, thereby being beneficial to acid mist sedimentation. Further, the plurality of air holes are distributed on the orifice plate 2 in different geometric shapes and/or arrangement modes. Further, the orifice plate 2 is of a semicircular plane plate structure. The bottom of the dry absorption and conversion flue gas pipeline is provided with an acid mist sedimentation funnel 1, so that acid mist falls into the funnel by gravity in the flowing process, one side of the funnel, which is close to the conversion direction, is provided with a pore plate 2 which is 20cm higher than the pipeline and used for blocking gas, and the pore plate 2 can be provided with gas holes with the same size of phi 20, so that the purpose of settling the acid mist and further discharging condensed acid is achieved by changing the direction of partial gas flow under the condition of ensuring normal circulation of the gas.
As a condensed acid collecting device in the embodiment of the utility model, a valve 4 and a conveying pipeline 5 for periodically discharging collected condensed acid to a dilute sulfuric acid tank are further arranged at the lower part of an acid discharge pipe 3. And the valve 4 is used for periodically discharging the condensed acid to a dilute sulfuric acid tank, so that the method is convenient to realize. Further, the acid mist settling funnel 1 is made of corrosion-resistant stainless steel. The funnel can adopt 316L material, and valve 4 can adopt 316L or CS/F46, can prevent the corruption of dilute sulphuric acid, concentrated sulfuric acid better, extension spare part life. Furthermore, the collecting device is arranged at the bottom of the flue gas pipeline at intervals of a preset distance. According to the practical application demand, the low point installation of optional flue gas pipeline, 30 meters pipeline distance are installed a department, and every collection device passes through 5 arrange the condensation acid of collecting to dilute sulfuric acid tank to can collect the interior condensation acid of flue gas pipeline better, be convenient for retrieve, reduction in production cost, the application in the actual scene of being convenient for.
The term "and/or" herein means that three relationships may exist. For example, a and/or B may represent: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention, and the scope of the present invention is defined by the appended claims. The foregoing description of specific exemplary embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a condensation acid collection device in sulphuric acid production, collects and discharges the condensation acid in the flue gas pipeline through arranging on the flue gas pipeline, its characterized in that contains: the acid mist sedimentation funnel, an acid discharge pipe connected with the acid mist sedimentation funnel and a conveying pipeline connected with the acid discharge pipe and used for discharging the collected condensed acid to a dilute sulfuric acid tank; the open mouth of the acid mist settling funnel is fixed at the bottom of the flue gas pipeline and is communicated with the inner cavity of the flue gas pipeline, and the acid discharge pipe is communicated with the necking mouth of the acid mist settling funnel.
2. The apparatus for collecting condensed acid in the production of sulfuric acid as claimed in claim 1, wherein the flue gas duct has a perforated plate at the connection of the flue gas duct cavity and the open mouth of the acid mist settling funnel for changing the airflow direction of the flue gas duct cavity; the pore plate is provided with a plurality of air holes.
3. The apparatus for collecting condensed acid in sulfuric acid production according to claim 2, wherein the plurality of air holes are arranged on the perforated plate in different geometric shapes and/or arrangements.
4. The apparatus for collecting condensed acid in the production of sulfuric acid as claimed in claim 2, wherein the orifice plate has a semicircular planar plate structure.
5. The apparatus for collecting condensed acid in sulfuric acid production according to claim 1, wherein the acid discharge pipe is provided with a valve for periodically discharging the collected condensed acid to the delivery pipe of the dilute sulfuric acid tank.
6. The apparatus for collecting condensed acid in sulfuric acid production according to claim 1, wherein the acid mist settling funnel is made of corrosion-resistant stainless steel.
7. The apparatus for collecting condensed acid in sulfuric acid production according to claim 1, wherein the collecting means is disposed at the bottom of the flue gas duct at intervals of a predetermined distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123051301.1U CN216799064U (en) | 2021-12-07 | 2021-12-07 | Condensate acid collecting device in sulfuric acid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123051301.1U CN216799064U (en) | 2021-12-07 | 2021-12-07 | Condensate acid collecting device in sulfuric acid production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216799064U true CN216799064U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123051301.1U Active CN216799064U (en) | 2021-12-07 | 2021-12-07 | Condensate acid collecting device in sulfuric acid production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216799064U (en) |
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2021
- 2021-12-07 CN CN202123051301.1U patent/CN216799064U/en active Active
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