CN212855244U - Metering and distributing device for flue gas denitration reducing agent - Google Patents
Metering and distributing device for flue gas denitration reducing agent Download PDFInfo
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- CN212855244U CN212855244U CN202021413759.XU CN202021413759U CN212855244U CN 212855244 U CN212855244 U CN 212855244U CN 202021413759 U CN202021413759 U CN 202021413759U CN 212855244 U CN212855244 U CN 212855244U
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- reducing agent
- compressed air
- metal cabinet
- pipeline
- collecting pipe
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Abstract
The utility model discloses a measurement and distributor of flue gas denitration reductant, including metal cabinet, cabinet door, handle, reductant collecting vessel, reductant pipeline, electrical control valve, electromagnetic flowmeter, first teletransmission manometer, compressed air pipeline, second teletransmission manometer, manual regulation valve, air-vent valve, compressed air collecting vessel, pipe strap. Has the advantages that: the utility model discloses easy and simple to handle, nimble, the accurate denitration reductant quantity of adjusting practices thrift the running cost, reduces workman intensity of labour, is convenient for install and transport.
Description
Technical Field
The utility model relates to a flue gas denitration technical field, concretely relates to measurement and distributor of flue gas denitration reductant.
Background
Harmful substances such as smoke dust, sulfur dioxide and Nitrogen Oxide (NOX) contained in the smoke are main sources of environmental problems such as air pollution, acid rain, greenhouse effect and the like, SO that researchers all over the world pay attention to how to effectively remove SO2 and NOX in the smoke, and the essence of controlling the NOX is 'denitration'.
7/29.2011, the national environmental protection agency issued the emission standard of atmospheric pollutants for thermal power plants (GB13223-2011), and the method was implemented from 1/1.2012. The standard requires that the coal-fired boiler for thermal power generation in key areas requires that the smoke emission is less than 20mg/m3, the sulfur dioxide emission is less than 50mg/m3 and the nitrogen oxide emission is less than 100mg/m 3. Due to the reasons of limited environmental capacity and the like, various provinces have made relevant policies and require that the coal-fired power plant refers to pollutant emission standard limits of a gas turbine unit, namely emission concentrations of smoke dust, SO2 and NOx are respectively not higher than 5mg/m3, 35mg/m3 and 50mg/m3 under the condition that the reference oxygen content is 6%.
The flue gas denitration system generally comprises a reducing agent storage unit, a raw agent conveying unit, a metering and distributing unit and a PLC (programmable logic controller) control unit, wherein the metering and distributing unit is complex in operation and low in flexibility in the prior art, and the dosage of a denitration reducing agent cannot be accurately adjusted. Meanwhile, the operation cost is high, the labor intensity of workers is high, and the installation and the transportation are inconvenient.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned problem comprehensively, especially to the not enough that prior art exists, the utility model provides a measurement and distributor of flue gas denitration reductant can solve above-mentioned problem comprehensively.
In order to achieve the above object, the utility model adopts the following technical means:
a metering and distributing device for a flue gas denitration reducing agent comprises a metal cabinet, wherein a reducing agent collecting pipe and a compressed air collecting pipe are arranged in the metal cabinet, the reducing agent collecting pipe and the compressed air collecting pipe are respectively connected with the bottom surface inside the metal cabinet through pipe clamps, inlet ends of the reducing agent collecting pipe and the compressed air collecting pipe respectively penetrate through the side wall of the metal cabinet, a reducing agent pipeline is arranged on the reducing agent collecting pipe, one end of the reducing agent pipeline penetrates through the reducing agent collecting pipe and is connected with the reducing agent collecting pipe, the other end of the reducing agent pipeline penetrates through the metal cabinet and is connected with the metal cabinet, an electric regulating valve, an electromagnetic flowmeter and a first remote transmission pressure gauge are sequentially arranged on the reducing agent pipeline from bottom to top, a compressed air pipeline is arranged on the compressed air collecting pipe, one end of the compressed air pipeline penetrates through the compressed air collecting pipe and is connected with the, the other end of the compressed air pipeline penetrates through the metal cabinet and is connected with the metal cabinet, and the compressed air pipeline is sequentially provided with a second remote transmission pressure gauge, a manual regulating valve and a pressure regulating valve from top to bottom.
Further, the metal cabinet is made of an anti-corrosion material.
The beneficial effects are that, the metal cabinet that anticorrosive material makeed can reduce the influence of external environment to the box, can effectively prolong the life of metal cabinet.
Furthermore, the metal cabinet is a hollow cubic structure with an opening at one side, and a hinged cabinet door is arranged at the opening of the metal cabinet.
The beneficial effects of the above are that, this kind of setting can convenient to use person installs pipeline or instrument in metal cabinet, can effectively improve installer's work efficiency.
Furthermore, a handle fixedly connected is arranged on the outer side of the cabinet door.
Foretell beneficial effect lies in, this kind of setting can the person of facilitating the use open the cabinet door through the handle, the effectual work efficiency who improves the cabinet door.
Furthermore, the reducing agent pipeline and the compressed air pipeline are respectively provided with a plurality of groups, and the plurality of groups of reducing agent pipelines and compressed air pipelines are uniformly distributed.
The beneficial effects are that, the arrangement can facilitate the user to complete the metering and distributing work, and can effectively improve the working efficiency.
The utility model has the advantages that: the metal cabinet of the utility model can reduce the influence of the external environment on the valve and the instrument, and prolong the service life; the reducing agent liquid collecting pipe can store the reducing agent, and the output stability of each branch pipeline is guaranteed; the electric regulating valve, the electromagnetic flowmeter and the first remote pressure gauge can realize remote control, the consumption of the reducing agent is flexibly adjusted according to the actual consumption requirement, and the regulating and measuring precision is improved; the compressed air collecting pipe can store compressed air, and the output stability of each branch pipeline is guaranteed; the second remote transmission pressure gauge, the manual regulating valve and the pressure regulating valve can set reasonable output pressure and output flow at the debugging stage according to the requirements of compressed air pressure and consumption. Therefore, the metering and distributing unit has the advantages of simple and flexible operation, accurate adjustment of the dosage of the denitration reducing agent, operation cost saving, reduction of labor intensity of workers and convenience in installation and transportation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a side view of the present invention.
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; can be mechanically or electrically connected; 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 to 2, the utility model provides a metering and distributing device for a flue gas denitration reducing agent, which comprises a metal cabinet 1, a reducing agent collecting pipe 4 and a compressed air collecting pipe 13 are arranged in the metal cabinet 1, the reducing agent collecting pipe 4 and the compressed air collecting pipe 13 are respectively connected with the bottom surface inside the metal cabinet 1 through pipe clamps 14, the inlet ends of the reducing agent collecting pipe 4 and the compressed air collecting pipe 13 respectively penetrate through the side wall of the metal cabinet 1, a reducing agent pipeline 5 is arranged on the reducing agent collecting pipe 4, one end of the reducing agent pipeline 5 penetrates through the reducing agent collecting pipe 4 and is connected with the reducing agent collecting pipe 4, the other end of the reducing agent pipeline 5 penetrates through the metal cabinet 1 and is connected with the metal cabinet 1, an electric regulating valve 6, an electromagnetic flowmeter 7 and a first remote transmission pressure gauge 8 are sequentially arranged on the reducing agent pipeline 5 from bottom to top, the compressed air collecting pipe 13 is provided with a compressed air pipeline 9, one end of the compressed air pipeline 9 penetrates through the compressed air collecting pipe 13 and is connected with the compressed air collecting pipe 13, the other end of the compressed air pipeline 9 penetrates through the metal cabinet 1 and is connected with the metal cabinet 1, and the compressed air pipeline 9 is sequentially provided with a second remote pressure gauge 10, a manual regulating valve 11 and a pressure regulating valve 12 from top to bottom.
The metal cabinet 1 is made of an anti-corrosion material. The metal cabinet 1 that anticorrosive material makeed can reduce the influence of external environment to the box, can effectively prolong the life of metal cabinet 1.
The metal cabinet 1 is a hollow cubic structure with one side open, and a hinged cabinet door 2 is arranged at the opening of the metal cabinet 1. The arrangement can facilitate a user to install pipelines or instruments in the metal cabinet 1, and can effectively improve the working efficiency of installers.
The outer side of the cabinet door 2 is provided with a handle 3 fixedly connected. This kind of setting can convenient to use person open cabinet door 2 through handle 3, the effectual work efficiency who improves cabinet door 2.
The reducing agent pipeline 5 and the compressed air pipeline 9 are respectively provided with a plurality of groups, and the plurality of groups of reducing agent pipelines 5 and compressed air pipelines 9 are uniformly distributed. The arrangement can facilitate the user to complete the metering and distributing work and effectively improve the working efficiency.
The utility model relates to a metering and distributing device for a flue gas denitration reducing agent, the metal cabinet 1 of the utility model can reduce the influence of the external environment on a valve and an instrument, and prolong the service life; the reducing agent collecting pipe 4 can store the reducing agent, and the output stability of each branch pipeline is guaranteed; the electric regulating valve 6, the electromagnetic flowmeter 7 and the first remote pressure gauge 8 can realize remote control, flexibly adjust the consumption of the reducing agent according to the actual consumption requirement, and improve the regulation and measurement precision; the compressed air collecting pipe 13 can store compressed air, and the stability of the output of each branch pipeline is guaranteed; the second remote pressure gauge 10, the manual regulating valve 11 and the pressure regulating valve 12 can set reasonable output pressure and output flow at the debugging stage according to the requirements of compressed air pressure and consumption. Therefore, the metering and distributing unit has the advantages of simple and flexible operation, accurate adjustment of the dosage of the denitration reducing agent, operation cost saving, reduction of labor intensity of workers and convenience in installation and transportation.
The present invention is illustrated by way of example and not by way of limitation. It will be apparent to those skilled in the art that other variations and modifications of the present invention can be made in light of the above teachings, and it is not necessary or necessary to exhaustively enumerate all embodiments herein, and it is intended that all such obvious variations and modifications are within the scope of the present invention.
Claims (5)
1. The metering and distributing device for the flue gas denitration reducing agent is characterized by comprising a metal cabinet (1), wherein a reducing agent collecting pipe (4) and a compressed air collecting pipe (13) are arranged in the metal cabinet (1), the reducing agent collecting pipe (4) and the compressed air collecting pipe (13) are respectively connected with the bottom surface inside the metal cabinet (1) through pipe clamps (14), inlet ends of the reducing agent collecting pipe (4) and the compressed air collecting pipe (13) respectively penetrate through the side wall of the metal cabinet (1), a reducing agent pipeline (5) is arranged on the reducing agent collecting pipe (4), one end of the reducing agent pipeline (5) penetrates through the reducing agent collecting pipe (4) to be connected with the reducing agent collecting pipe (4), the other end of the reducing agent pipeline (5) penetrates through the metal cabinet (1) to be connected with the metal cabinet (1), and an electric regulating valve (6) and a metal cabinet (1) are sequentially installed on the reducing agent pipeline (5) from bottom to top, Electromagnetic flowmeter (7) and first teletransmission manometer (8), be provided with compressed air pipeline (9) on compressed air collector (13), the one end of compressed air pipeline (9) is run through compressed air collector (13) and is connected with compressed air collector (13), the other end of compressed air pipeline (9) runs through metal cabinet (1) and is connected with metal cabinet (1), compressed air pipeline (9) are from last down installing second teletransmission manometer (10), manual control valve (11) and air-vent valve (12) in proper order.
2. The metering and distributing device for the reducing agent for flue gas denitration according to claim 1, wherein the metal cabinet (1) is made of an anticorrosive material.
3. The metering and distributing device for the reducing agent for flue gas denitration according to claim 1 or 2, characterized in that the metal cabinet (1) is a hollow cubic structure with an opening at one side, and the opening of the metal cabinet (1) is provided with a hinged cabinet door (2).
4. The metering and distributing device for the reducing agent for flue gas denitration according to claim 3, wherein a handle (3) is fixedly connected with the outer side of the cabinet door (2).
5. The metering and distributing device for the reducing agent for flue gas denitration according to claim 1, wherein the reducing agent pipeline (5) and the compressed air pipeline (9) are respectively provided with a plurality of groups, and the plurality of groups of reducing agent pipelines (5) and the compressed air pipeline (9) are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021413759.XU CN212855244U (en) | 2020-07-17 | 2020-07-17 | Metering and distributing device for flue gas denitration reducing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021413759.XU CN212855244U (en) | 2020-07-17 | 2020-07-17 | Metering and distributing device for flue gas denitration reducing agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212855244U true CN212855244U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021413759.XU Active CN212855244U (en) | 2020-07-17 | 2020-07-17 | Metering and distributing device for flue gas denitration reducing agent |
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| Country | Link |
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| CN (1) | CN212855244U (en) |
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2020
- 2020-07-17 CN CN202021413759.XU patent/CN212855244U/en active Active
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