CN112377814A - System for realizing one machine with multiple purposes in fluid conveying - Google Patents
System for realizing one machine with multiple purposes in fluid conveying Download PDFInfo
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- CN112377814A CN112377814A CN202011263078.4A CN202011263078A CN112377814A CN 112377814 A CN112377814 A CN 112377814A CN 202011263078 A CN202011263078 A CN 202011263078A CN 112377814 A CN112377814 A CN 112377814A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
The invention discloses a system for realizing one machine with multiple purposes in fluid transportation, which comprises at least 1 fluid system; 1 fluid system comprises at least 1 source of flow, at least 1 conduit, at least 1 power source, and at least 1 destination of flow; at least 1 flow regulating facility is arranged on the pipeline of the fluid system; the flow regulating facility can be a plug, a valve or other flow regulating measures; the control logic of the flow regulating facility system can be realized by software and configuration programming; the system achieves the optimal configuration of the power source in a single or multiple fluid systems by realizing one-source multiple (or one-machine multiple) mode of the power source, and simultaneously reduces the configuration number of the power source (or electromechanical equipment) in the fluid system, thereby realizing the purposes of saving resources and reducing cost.
Description
Technical Field
The invention relates to a system for realizing multiple purposes in fluid conveying, belonging to the technical field of fluid conveying.
Background
There are many fluid transportation's scenes in our living environment, for example when peasants irrigate the field, water flows to the farmland from pond or well through the raceway under the effect of water pump, coal fired power plant boiler flue gas reaches the chimney and then discharges into the atmosphere after SCR denitrification facility, desulfurization system and dust collector are followed to the boiler under the effect of fan.
The fluid generally flows in the pipeline, and the flowing process is generally resisted by the inner wall of the pipeline. In order to enable the fluid to flow in the pipeline, a power source (such as an electromechanical device pump, a fan, etc.) is usually required to be arranged in the pipeline to provide power for the fluid so as to overcome the resistance of the inner wall of the pipeline to the fluid.
In the actual engineering project, a power source is usually designed in a mode that one fluid conveying system is configured with one or more power sources, when the system is considered to be in stable operation, redundancy design is also carried out in a one-by-one or one-by-more mode, for example, in the flue gas nitrogen oxide treatment technology (including SCR and SNCR denitration technology), reducing agents or raw materials (liquid or gas) for generating the reducing agents need to be conveyed through various pump equipment, and the design and the use of the pumps in the actual engineering project adopt a scheme that one pump is arranged on a certain fluid conveying system, and one-by-one or one-by-more is adopted. In these designs or schemes, when the number of fluid delivery systems or system design redundancy is large, the system design scheme is complex, the number of power sources is large, and the construction cost and investment are high. These designs or schemes can be optimized by proper methods, so that the power source can be used for multiple purposes (or one machine can be used for multiple purposes), and the results of saving resources and reducing cost are achieved.
In the prior art relating to fluid delivery, patent No. CN 107548436 a discloses a method for operating a fluid delivery system, which relates to the fluid delivery problem, but does not mention the optimal configuration problem of a power source in the fluid delivery field, nor does it relate to the problem of one-source-multiple (or one-machine-multiple) power source; patent No. CN 202302738U discloses a fluid delivery optimization system, which relates to fluid delivery problems, but does not address the problem of optimal configuration of power sources in the fluid delivery field, nor the problem of achieving optimal configuration of power sources in single or multiple fluid delivery fields by implementing one-source-multiple (or one-machine-multiple) manner of power sources.
CN 107548436 a and CN 202302738U are used in the field of fluid transport, respectively. CN 107548436 a realizes a method that allows booster optimized operation in order to increase the maximum delivery capacity of the fuel delivery pump and at the same time minimize the power loss generated by the booster, but it does not relate to the optimal configuration of the power source in the field of fluid delivery, reducing the number of configurations, thereby saving resources and reducing costs; CN 202302738U has realized a fluid transport optimization system, and this system solves the problem of local pressure, flow distribution are unreasonable, the energy waste such as the difference in temperature is too low, but this system is not concerned with through realizing the mode that the power supply source is multi-purpose (or a tractor serves several purposes), reaches the optimal configuration of power supply in single or multiple fluid transport field, reduces the configuration quantity of power supply (or electromechanical device) in the fluid system simultaneously to the problem of resources are practiced thrift and cost is reduced.
In order to solve the problems of complex design scheme, more power sources and higher engineering cost and investment when the number of fluid delivery systems or the spare number of system design is larger, the invention provides a system for realizing one machine with multiple purposes in fluid delivery, which realizes the optimization of a fluid flow route by applying subject knowledge or principles of mathematics (such as topology, geometric graph science, matrix theory, permutation and combination science, route planning science, probability theory, statistics and the like), physics, chemistry and the like, achieves the optimal configuration of power sources in a single or multiple fluid systems by realizing the mode of one source with multiple purposes (or one machine with multiple purposes) of the power sources, and simultaneously reduces the configuration number of the power sources (or electromechanical equipment) in the fluid systems, thereby realizing the purposes of saving resources and reducing cost.
Disclosure of Invention
The main purpose of the invention is to achieve the optimal configuration of the power source in a single or multiple fluid systems by realizing one-source multiple (or one-machine multiple) mode of the power source, and simultaneously reduce the configuration number of the power source (or electromechanical equipment) in the fluid system, thereby saving resources and reducing cost.
A system for realizing one machine with multiple functions in fluid transportation is characterized by comprising at least 1 fluid system, wherein one fluid system comprises at least one source, one power source and one destination; when a plurality of fluid systems are available, the fluid systems share one power source through the design of a flow path, so that one machine with multiple functions is realized;
all the fluid systems are connected in parallel or in series; when the power source is between the source and the destination, the source is connected with the power source through a pipeline, and the power source is connected with the destination through a pipeline; when the power source is arranged at the front end of the source ground, the power source is connected with the source ground through a pipeline, and the source ground is connected with the destination through a pipeline; when the power source is at the rear end of the destination, the source is connected to the destination through a pipeline, and the destination is connected to the power source through a pipeline.
Furthermore, at least 1 flow regulating facility is arranged on the pipeline of the fluid system; the flow regulating facility is a plug or a valve; the control logic of the flow regulating facility system is realized by software and configuration programming.
Further, the fluid in the fluid system comprises a pure liquid state, a pure gas state, a liquid-solid mixed state, a gas-liquid mixed state and a gas-solid-liquid mixed state.
Further, determining the flow direction of the fluid, and respectively determining a source and a destination of the flow, wherein the fluid flows from the source to the destination; the source and destination of the flow are relative, with a previous source being able to be a current destination and a previous destination being able to be a current source.
Further, determining the characteristics of the power source and the influence of the provided power on the fluid, wherein the direction of the power provided by the power source is consistent with the flowing direction of the fluid; when the direction of the power supplied by the power source is inconsistent with the flowing direction of the fluid, the direction of the power supplied by the power source is consistent with the flowing direction of the fluid through the planning and optimization of the fluid flowing circuit.
Further, the power source is anywhere in the source, destination or conduit of the flow; the power source is a mechanical device, an electromechanical apparatus, or an electromagnetic apparatus.
Firstly, the flow function is realized, and secondly, relatively few pipelines, relatively few flow regulating facilities and relatively few power sources are adopted when the function is realized.
A be used for flue gas denitration urea solution to carry and realize a tractor serves several purposes system: the urea solution transportation vehicle tank 1(1) is connected with a valve 10(10) through a pipeline (4), the valve 10(10) is connected with a valve 8(8) through the pipeline (4), the valve 8(8) is connected with a pump 5(5) through the pipeline (4), the pump 5(5) is connected with a valve 9(9) through the pipeline (4), and the valve 9(9) is connected with the urea solution cache tank 3(3) through the pipeline (4);
the urea solution transport vehicle tank 1-H (1-H) is connected with a valve 10-H (10-H) through a pipeline (4), and the connection is connected with a urea solution transport vehicle tank 1(1) in parallel with the connection of the valve 10(10) through a pipeline (4);
the valve 8-L (8-L) is connected with the pump 5-L (5-L) through a pipeline (4); the valve 6(6) is connected with the urea solution storage tank 2(2) and the valve 7(7) through a pipeline (4); the valve 6-M (6-M) is connected with the urea solution storage tank 2-M (2-M) and the valve 7-M (7-M) through a pipeline (4); the three connections are respectively connected with the valves 8 and 8 in parallel with the connection of the pumps 5 and 5 through the pipelines 4;
the valve 9-N (9-N) is connected with the urea solution buffer tank 3-N (3-N) through a pipeline (4), and the connection is connected with the valve 9(9) in parallel with the connection of the urea solution buffer tank 3(3) through the pipeline (4);
firstly, under the action of power supplied by a pump 5(5), under the condition that a valve 6(6), a valve 9(9), a valve 6-M (6-M), a valve 7-M (7-M), a valve 8-L (8-L), a valve 9-N (9-N) and a valve 10-H (10-H) are closed, urea solution enters a urea solution storage tank 2(2) from a urea solution transportation vehicle tank 1(1) through a pipeline (4) and passes through the valve 10(10), the valve 8(8) and the valve 7 (7); thus, the pump 5(5) performs the function of discharging and conveying the urea solution from the urea solution transportation vehicle tank 1(1) to the urea solution storage tank 2 (2);
secondly, under the action of power provided by a pump 5(5), under the condition that a valve 7(7), a valve 10(10), a valve 6-M (6-M), a valve 7-M (7-M), a valve 8-L (8-L), a valve 9-N (9-N) and a valve 10-H (10-H) are closed, urea solution enters a urea solution cache tank 3(3) from a urea solution storage tank 2(2) through a pipeline (4) and passes through the valve 6(6), the valve 8(8) and the valve 9 (9); thus, the pump 5(5) performs the feeding and conveying function of the urea solution from the urea solution storage tank 2(2) to the urea solution buffer tank 3 (3);
thirdly, under the action of power supplied by a pump 5(5), under the condition that a valve 7(7), a valve 10(10), a valve 6-M (6-M), a valve 7-M (7-M), a valve 8-L (8-L), a valve 9(9) and a valve 10-H (10-H) are closed, the urea solution enters a urea solution cache tank 3-N (3-N) from a urea solution storage tank 2(2) through a pipeline (4) and through the valve 6(6), the valve 8(8) and the valve 9-N (9-N); thus, the pump 5(5) performs the function of feeding the urea solution from the urea solution storage tank 2(2) to the urea solution buffer tank 3-N (3-N);
thirdly, under the action of power supplied by a pump 5(5), under the condition that a valve 10(10), a valve 6(6), a valve 6-M (6-M), a valve 8-L (8-L), a valve 7(7), a valve 9(9) and a valve 9-N (9-N) are closed, the urea solution enters a urea solution storage tank 2-M (2-M) from a urea solution transport vehicle tank 1-H (1-H) through a pipeline (4) and passes through the valve 10-H (10-H), the valve 8(8) and the valve 7-M (7-M); thus, the pump 5(5) completes the unloading and conveying function of the urea solution from the urea solution transport vehicle tank 1-H (1-H) to the urea solution storage tank 2-M (2-M);
thirdly, under the action of power supplied by a pump 5(5), under the condition that a valve 10(10), a valve 10-H (10-H), a valve 6(6), a valve 8-L (8-L), a valve 7(7), a valve 7-M (7-M) and a valve 9(9) are closed, the urea solution enters a urea solution buffer tank 3-N (3-N) from a urea solution storage tank 2-M (2-M) through a pipeline (4) and through the valve 6-M (6-M), the valve 8(8) and the valve 9-N (9-N); thus, the pump 5(5) completes the feeding and conveying function of the urea solution from the urea solution storage tank 2-M (2-M) to the urea solution buffer tank 3-N (3-N);
the pump 5(5) and the valve 8(8) are arranged in pairs, the pump 5-L (5-L) and the valve 8-L (8-L) are also arranged in pairs, the two pairs are mutually standby, and the larger the value of L is, the larger the standby number is. (specification: wherein M, N, L, H is an integer greater than or equal to zero, when M is zero, the urea solution storage tank 2-M (2-M), the valve 6-M (6-M) and the valve 7-M (7-M) are not present, when N is zero, the urea solution buffer tank 3-N (3-N) and the valve 9-N (9-N) are not present, the pump 5-L (5-L) and the valve 8-L (8-L) are arranged in pairs and are standby, the larger the L value is, the more the system power source is used, the more reliable the system power source is, when L is zero, the system power source is not used, the pump 5-L (5-L) and the valve 8-L (8-L) are not present.)
Therefore, in the system for conveying the urea solution for flue gas denitration to achieve one machine with multiple purposes, the pump 5(5) achieves the function of one machine with multiple purposes, saves a plurality of pumps, and achieves the purposes of saving resources and reducing cost.
The invention has the beneficial effects that:
the invention discloses a system for realizing multiple purposes in fluid conveying, and belongs to the field of fluid conveying. A system for realizing one machine with multiple purposes for a fluid system realizes the optimization of a fluid flow route by applying subject knowledge or principles such as mathematics, physics, chemistry and the like, achieves the optimal configuration of a power source in a single or multiple fluid systems by realizing the mode of one source with multiple purposes (or one machine with multiple purposes) of the power source, and simultaneously reduces the configuration quantity of the power source (or electromechanical equipment) in the fluid system, thereby saving resources and reducing cost.
Drawings
Fig. 1 is an illustration of a system for implementing a machine 2 for a single fluid system.
In the figure: 1. urea solution transport vechicle jar 1, 2, urea solution holding vessel 2, 3, urea solution buffer tank 3, 4, pipeline, 5, pump 5, 6, valve 6, 7, valve 7, 8, valve 8, 9, valve 9, 10, valve 10.
FIG. 2 is an explanatory diagram of a system for realizing one machine and multiple purposes in the transportation of the urea solution for flue gas denitration.
In the figure: 1. urea solution transport vehicle tank 1, 2, urea solution storage tank 2, 3, urea solution buffer tank 3, 4, pipeline 5, pump 5, 6, valve 6, 7, valve 7, 8, valve 8, 9, valve 9, 10, valve 10, 2-M, urea solution storage tank 2-M, 3-N, urea solution buffer tank 3-N, 5-L, pump 5-L, 6-M, valve 6-M, 7-M, valve 7-M, 8-L, valve 8-L, 9-N, valve 9-N, 10-H, valve 10-H. Description of the drawings: m, N, L, H is an integer greater than or equal to zero, and when M is zero, the urea solution storage tank 2-M, the valve 6-M and the valve 7-M are not present; when N is zero, the urea solution buffer tank 3-N and the valve 9-N do not exist; the pump 5-L and the valve 8-L are configured in pairs and are both standby, the larger the L value is, the more the system power source is standby, the more the system power source is reliable, when L is zero, the system power source is not used, and the pump 5-L and the valve 8-L are not used.
Detailed Description
The present invention will be described with reference to examples, but the present invention is not limited to the examples.
Example 1: system for conveying urea solution for flue gas denitration to realize one machine 2
As shown in figure 1 of the drawings, in which,
firstly, under the action of power supplied by a pump 5(5), under the condition that a valve 6(6) and a valve 9(9) are closed, urea solution passes from a urea solution transportation truck tank 1(1) to a urea solution storage tank 2(2) through a pipeline 4, a valve 10(10), a valve 8(8) and a valve 7 (7); thus, the pump 5(5) performs the function of discharging and conveying the urea solution from the urea solution transportation vehicle tank 1(1) to the urea solution storage tank 2 (2);
secondly, under the action of the power supplied by the pump 5(5), under the condition that the valve 7(7) and the valve 10(10) are closed, the urea solution passes through the pipeline (4) from the urea solution storage tank 2(2), passes through the valve 6(6), the valve 8(8) and the valve 9(9) and enters the urea solution cache tank 3 (3); thus, the pump 5(5) performs the feeding and conveying function of the urea solution from the urea solution storage tank 2(2) to the urea solution buffer tank 3 (3);
therefore, in the system for conveying the urea solution for flue gas denitration to realize one machine 2, the pump 5(5) realizes the function of one machine 2, 1 pump is saved, and the purposes of saving resources and reducing cost are realized.
Example 2: system for be used for flue gas denitration urea solution to carry and realize a tractor serves several purposes
As shown in figure 2 of the drawings, in which,
firstly, under the action of power supplied by a pump 5(5), under the condition that a valve 6(6), a valve 9(9), a valve 6-M (6-M), a valve 7-M (7-M), a valve 8-L (8-L), a valve 9-N (9-N) and a valve 10-H (10-H) are closed, urea solution enters a urea solution storage tank 2(2) from a urea solution transportation vehicle tank 1(1) through a pipeline (4) and passes through the valve 10(10), the valve 8(8) and the valve 7 (7); thus, the pump 5(5) performs the function of discharging and conveying the urea solution from the urea solution transportation vehicle tank 1(1) to the urea solution storage tank 2 (2);
secondly, under the action of power provided by a pump 5(5), under the condition that a valve 7(7), a valve 10(10), a valve 6-M (6-M), a valve 7-M (7-M), a valve 8-L (8-L), a valve 9-N (9-N) and a valve 10-H (10-H) are closed, urea solution enters a urea solution cache tank 3(3) from a urea solution storage tank 2(2) through a pipeline (4) and passes through the valve 6(6), the valve 8(8) and the valve 9 (9); thus, the pump 5(5) performs the feeding and conveying function of the urea solution from the urea solution storage tank 2(2) to the urea solution buffer tank 3 (3);
thirdly, under the action of power supplied by a pump 5(5), under the condition that a valve 7(7), a valve 10(10), a valve 6-M (6-M), a valve 7-M (7-M), a valve 8-L (8-L), a valve 9(9) and a valve 10-H (10-H) are closed, the urea solution enters a urea solution cache tank 3-N (3-N) from a urea solution storage tank 2(2) through a pipeline (4) and through the valve 6(6), the valve 8(8) and the valve 9-N (9-N); thus, the pump 5(5) performs the function of feeding the urea solution from the urea solution storage tank 2(2) to the urea solution buffer tank 3-N (3-N);
thirdly, under the action of power supplied by a pump 5(5), under the condition that a valve 10(10), a valve 6(6), a valve 6-M (6-M), a valve 8-L (8-L), a valve 7(7), a valve 9(9) and a valve 9-N (9-N) are closed, the urea solution enters a urea solution storage tank 2-M (2-M) from a urea solution transport vehicle tank 1-H (1-H) through a pipeline (4) and passes through the valve 10-H (10-H), the valve 8(8) and the valve 7-M (7-M); thus, the pump 5(5) completes the unloading and conveying function of the urea solution from the urea solution transport vehicle tank 1-H (1-H) to the urea solution storage tank 2-M (2-M);
thirdly, under the action of power supplied by a pump 5(5), under the condition that a valve 10(10), a valve 10-H (10-H), a valve 6(6), a valve 8-L (8-L), a valve 7(7), a valve 7-M (7-M) and a valve 9(9) are closed, the urea solution enters a urea solution buffer tank 3-N (3-N) from a urea solution storage tank 2-M (2-M) through a pipeline (4) and through the valve 6-M (6-M), the valve 8(8) and the valve 9-N (9-N); thus, the pump 5(5) completes the feeding and conveying function of the urea solution from the urea solution storage tank 2-M (2-M) to the urea solution buffer tank 3-N (3-N);
the pump 5(5) and the valve 8(8) are arranged in pairs, the pump 5-L (5-L) and the valve 8-L (8-L) are also arranged in pairs, the two pairs are mutually standby, and the larger the value of L is, the larger the standby number is.
Therefore, in the system for conveying the urea solution for flue gas denitration to achieve one machine with multiple purposes, the pump 5(5) achieves the function of one machine with multiple purposes, saves a plurality of pumps, and achieves the purposes of saving resources and reducing cost.
Finally, the description is as follows: the above embodiments are only used for illustrating the present invention, and do not limit the technical solutions described in the present invention; thus, although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.
Claims (10)
1. A system for realizing one machine with multiple functions in fluid transportation is characterized by comprising at least 1 fluid system, wherein one fluid system comprises at least one source, one power source and one destination; when a plurality of fluid systems are available, the fluid systems share one power source through the design of a flow path, so that one machine with multiple functions is realized;
all the fluid systems are connected in parallel or in series; when the power source is between the source and the destination, the source is connected with the power source through a pipeline, and the power source is connected with the destination through a pipeline; when the power source is arranged at the front end of the source ground, the power source is connected with the source ground through a pipeline, and the source ground is connected with the destination through a pipeline; when the power source is at the rear end of the destination, the source is connected to the destination through a pipeline, and the destination is connected to the power source through a pipeline.
2. The system of claim 1, wherein at least 1 flow regulating device is disposed on the fluid pipeline; the flow regulating facility is a plug or a valve; the control logic of the flow regulating facility system is realized by software and configuration programming.
3. The system for realizing one machine with multiple functions in fluid transportation according to claim 1 or 2, wherein the fluid in the fluid system comprises a pure liquid state, a pure gas state, a liquid-solid mixed state, a gas-liquid mixed state and a gas-solid-liquid mixed state.
4. The system of claim 1, wherein the direction of fluid flow is determined, the source and destination of the fluid flow are determined, respectively, and the fluid flows from the source to the destination; the source and destination of the flow are relative, with a previous source being able to be a current destination and a previous destination being able to be a current source.
5. The system of claim 1, wherein the characteristics of the power source and the effect of the power source on the fluid are determined, and the direction of the power provided by the power source is consistent with the direction of the fluid flow; when the direction of the power supplied by the power source is inconsistent with the flowing direction of the fluid, the direction of the power supplied by the power source is consistent with the flowing direction of the fluid through the planning and optimization of the fluid flowing circuit.
6. The system for realizing one machine with multiple functions in fluid transportation according to claim 1, wherein the power source is at any position of a source, a destination or a pipeline of the flow; the power source is a mechanical device, an electromechanical apparatus, or an electromagnetic apparatus.
7. The system of claim 1, wherein the flow function is performed first, and wherein relatively few piping, relatively few flow regulating devices, and relatively few power sources are used to perform the flow function.
8. A one-machine-multi-purpose system for conveying a flue gas denitration urea solution is characterized in that the specific implementation of the one-machine-multi-purpose method in the conveying of the flue gas denitration urea solution is as follows:
the specific position relationship is as follows:
the urea solution transportation vehicle tank 1(1) is connected with a valve 10(10) through a pipeline (4), the valve 10(10) is connected with a valve 8(8) through the pipeline (4), the valve 8(8) is connected with a pump 5(5) through the pipeline (4), the pump 5(5) is connected with a valve 9(9) through the pipeline (4), and the valve 9(9) is connected with the urea solution cache tank 3(3) through the pipeline (4);
the urea solution transport vehicle tank 1-H (1-H) is connected with a valve 10-H (10-H) through a pipeline (4), and the connection is connected with a urea solution transport vehicle tank 1(1) in parallel with the connection of the valve 10(10) through a pipeline (4);
the valve 8-L (8-L) is connected with the pump 5-L (5-L) through a pipeline (4); the valve 6(6) is connected with the urea solution storage tank 2(2) and the valve 7(7) through a pipeline (4); the valve 6-M (6-M) is connected with the urea solution storage tank 2-M (2-M) and the valve 7-M (7-M) through a pipeline (4); the three connections are respectively connected with the valves 8 and 8 in parallel with the connection of the pumps 5 and 5 through the pipelines 4;
the valve 9-N (9-N) is connected with the urea solution buffer tank 3-N (3-N) through a pipeline (4), and the connection is connected with the valve 9(9) in parallel with the connection of the urea solution buffer tank 3(3) through the pipeline (4);
the method comprises the following specific implementation steps:
under the action of power supplied by a pump 5(5), a valve 6(6), a valve 9(9), a valve 6-M (6-M), a valve 7-M (7-M), a valve 8-L (8-L), a valve 9-N (9-N) and a valve 10-H (10-H) are closed, and the urea solution enters a urea solution storage tank 2(2) from a urea solution transport vehicle tank 1(1) through a pipeline 4, the valve 10(10), the valve 8(8) and the valve 7 (7); the pump 5(5) completes the unloading and conveying functions of the urea solution from the urea solution transport vehicle tank 1(1) to the urea solution storage tank 2 (2);
under the action of power supplied by a pump 5(5), a valve 7(7), a valve 10(10), a valve 6-M (6-M), a valve 7-M (7-M), a valve 8-L (8-L), a valve 9-N (9-N) and a valve 10-H (10-H) are closed, and the urea solution enters a urea solution buffer tank 3(3) from a urea solution storage tank 2(2) through a pipeline 4, the valve 6(6), the valve 8(8) and the valve 9 (9); the pump 5(5) completes the feeding and conveying function of the urea solution from the urea solution storage tank 2(2) to the urea solution buffer tank 3 (3);
under the action of power supplied by a pump 5(5), a valve 7(7), a valve 10(10), a valve 6-M (6-M), a valve 7-M (7-M), a valve 8-L (8-L), a valve 9(9) and a valve 10-H (10-H) are closed, and the urea solution enters a urea solution buffer tank 3-N (3-N) from a urea solution storage tank 2(2) through a pipeline (4) and passes through the valve 6(6), the valve 8(8) and the valve 9-N (9-N); the pump 5(5) completes the feeding and conveying of the urea solution from the urea solution storage tank 2(2) to the urea solution buffer tank 3-N (3-N);
under the action of power supplied by a pump 5(5), under the condition that a valve 10(10), a valve 6(6), a valve 6-M (6-M), a valve 8-L (8-L), a valve 7(7), a valve 9(9) and a valve 9-N (9-N) are closed, urea solution enters a urea solution storage tank 2-M (2-M) from a urea solution transport vehicle tank 1-H (1-H) through a pipeline (4) through the valve 10-H (10-H), the valve 8(8) and the valve 7-M (7-M); thus, the pump 5(5) completes the unloading and conveying of the urea solution from the urea solution transportation truck tank 1-H (1-H) to the urea solution storage tank 2-M (2-M);
under the action of power provided by a pump 5(5), a valve 10(10), a valve 10-H (10-H), a valve 6(6), a valve 8-L (8-L), a valve 7(7), a valve 7-M (7-M) and a valve 9(9) are closed, and the urea solution enters a urea solution buffer tank 3-N (3-N) from a urea solution storage tank 2-M (2-M) through a pipeline (4) and passes through the valve 6-M (6-M), the valve 8(8) and the valve 9-N (9-N); thus, the pump 5(5) completes the feed transfer of the urea solution from the urea solution storage tank 2-M (2-M) to the urea solution buffer tank 3-N (3-N).
9. The system of claim 8, wherein the pump 5(5) and the valve 8(8) are configured in pairs, the pump 5-L (5-L) and the valve 8-L (8-L) are also configured in pairs, the two pairs are mutually standby, and the larger the value of L, the larger the number of standby.
10. The system for realizing one machine for multiple purposes in flue gas denitration by urea solution transportation according to claim 8, wherein M, N, L, H is an integer greater than or equal to zero, and when M is zero, the urea solution storage tank 2-M (2-M), the valve 6-M (6-M) and the valve 7-M (7-M) are not present; when N is zero, the urea solution buffer tank 3-N (3-N) and the valve 9-N (9-N) do not exist; the pump 5-L (5-L) and the valve 8-L (8-L) are configured in pairs and are both spare, the larger the L value is, the more the system power source is spare, the more reliable the system power source is, when the L is zero, the system power source is not used, and the pump 5-L (5-L) and the valve 8-L (8-L) are not available.
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