CN210892773U - Layered and staggered intercooling tower radiator and intercooling tower - Google Patents
Layered and staggered intercooling tower radiator and intercooling tower Download PDFInfo
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- CN210892773U CN210892773U CN201921564867.4U CN201921564867U CN210892773U CN 210892773 U CN210892773 U CN 210892773U CN 201921564867 U CN201921564867 U CN 201921564867U CN 210892773 U CN210892773 U CN 210892773U
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Abstract
The disclosure provides a layered and staggered intercooling tower radiator and an intercooling tower. Wherein, the intercooling tower radiator of layering staggered arrangement includes: an upper layer radiator and a lower layer radiator; the upper-layer radiator is composed of a plurality of upper-layer sectors; the lower-layer radiator is composed of a plurality of lower-layer sectors; the upper layer sector and the lower layer sector are arranged in a staggered mode; the upper sector and the lower sector are respectively communicated with a water source through a first water distribution calandria and a second water distribution calandria; the first water distribution calandria and the second water distribution calandria are arranged in a staggered mode, and a first water distribution valve and a second water distribution valve are arranged on the first water distribution calandria and the second water distribution calandria respectively. The water flow is shorter, the running resistance is reduced, and the running cost is reduced; but also improves the performance of the heat exchanger and reduces the scale of the tower.
Description
Technical Field
The utility model belongs to the indirect cooling tower field especially relates to a hierarchical staggered arrangement's indirect cooling tower radiator and indirect cooling tower.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, an indirect air cooling tower is a main cold-end device for thermal power generation. In recent years, with the increasing of 1000MW level projects, the inventor finds that as the scale of a tower body increases, the indirect air cooling tower has the problems of increased water side resistance and inflexible shutter control, and is difficult to solve the winter freezing prevention problem.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present disclosure provides an intercooling tower radiator and an intercooling tower in a layered staggered arrangement, which adopt a layered staggered arrangement scheme, so that a water flow path is shorter, an operation resistance is reduced, and an operation cost is reduced; the performance of the heat exchanger is also improved, and the scale of the tower is reduced; besides, the staggered arrangement has the advantages of facilitating the arrangement of pipelines and inlet and outlet valves, enabling the air flow in the tower to be uniformly mixed and enhancing the cooling effect; in addition, the staggered arrangement of the upper and lower sectors enhances the uniformity of airflow distribution in the tower under the conditions of facing natural wind, surrounding asymmetric structures and the like, and is favorable for the exertion of the thermal performance of the radiator.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
a first aspect of the present disclosure provides a layered staggered arrangement of intercooling tower radiators.
A hierarchically staggered intercooling tower heat sink, comprising:
an upper layer radiator and a lower layer radiator;
the upper-layer radiator is composed of a plurality of upper-layer sectors; the lower-layer radiator is composed of a plurality of lower-layer sectors; the upper layer sector and the lower layer sector are arranged in a staggered mode;
the upper sector and the lower sector are respectively communicated with a water source through a first water distribution calandria and a second water distribution calandria; the first water distribution calandria and the second water distribution calandria are arranged in a staggered mode, and a first water distribution valve and a second water distribution valve are arranged on the first water distribution calandria and the second water distribution calandria respectively.
In one embodiment, the cooling triangles of each upper sector and the lower sector correspond to one shutter respectively, each shutter is connected with one shutter actuator, and the shutter actuators are used for controlling the opening and closing angles of the shutters and controlling the water temperature by changing the ventilation quantity of the shutters.
In one embodiment, the shutter actuator includes an angular travel actuator, the angular travel actuator is connected to the first controller, and the angular travel actuator is used for controlling the opening and closing angle of the shutter under the action of the first controller.
In one embodiment, the first controller communicates with the monitoring server through a first wireless communication module.
In one embodiment, the shutter actuator is coupled to the DCS system.
In one embodiment, the water distribution valve is an electric valve, and the electric valve is connected with the second controller.
In one embodiment, the second controller communicates with the monitoring server through a second wireless communication module.
In one embodiment, the electrically operated valve is connected to a DCS system.
A second aspect of the present disclosure provides an indirect cooling tower.
An indirect cooling tower comprises the indirect cooling tower radiators which are arranged in a layered and staggered mode, and the indirect cooling tower radiators are arranged in the area of an air inlet on the periphery of the outer portion of the indirect cooling tower.
The beneficial effects of this disclosure are:
(1) the heat exchanger is divided into an upper layer sector and a lower layer sector by adopting a layered staggered arrangement scheme, the upper layer sector and the lower layer sector are staggered, a water distribution valve and a shutter actuating mechanism are respectively arranged on the upper layer sector and the lower layer sector to form two independent sectors, and the water quantity and the shutter of the whole system can be controlled according to actual needs; the staggered arrangement has the advantages that the air flow in the tower is uniformly mixed, and the cooling effect is enhanced; in addition, the staggered arrangement of the upper and lower sectors enhances the uniformity of airflow distribution in the tower under the conditions of facing natural wind, surrounding asymmetric structures and the like, and is favorable for the exertion of the thermal performance of the radiator.
(2) The double-layer sector arrangement scheme is adopted, so that on one hand, the water flow is shorter, the running resistance is reduced, and the running cost is reduced; the double-layer water distribution improves the uniformity of water temperature in the radiator, is beneficial to the performance of the heat exchanger, reduces the scale of the tower and reduces the total investment; on the other hand, in the double-layer sector arrangement scheme, because the independent shutter actuating mechanisms are respectively arranged, the shutter air volume of the corresponding sector is adjusted by using the shutter actuating mechanisms to control the water temperature, the water temperature regulation and control capability is expanded, and the indirect cooling tower is beneficial to safe operation under lower load and lower water temperature.
(3) The technical and economic indexes are as follows: after the layered arrangement scheme is adopted, compared with the existing units which are put into operation, the water temperature uniformity can be improved, the anti-freezing safe operation water temperature can be controlled to be lower, the operation backpressure in winter can be reduced by 3KPa, and the standard coal can be saved by 1g/kW.h when the operation backpressure of the units is reduced by 1 kPa. The coal-burning cost can be saved by about 300 ten thousand per year (the price of coal is 250 yuan/ton) by depending on the project when the project operates for 2000 hours in winter.
(4) Social and economic benefits: the scheme disclosed by the invention is novel, energy-saving, efficient and excellent in anti-freezing performance; the method fills the blank state of double-layer staggered arrangement of the domestic and foreign indirect air cooling towers, solves the problems needed to be solved by the ultra-large indirect air cooling tower, and lays a foundation for the wide application of the ultra-large indirect air cooling tower.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
Fig. 1 is a schematic structural diagram of an intercooling tower radiator arranged in a staggered manner in a layered manner according to an embodiment of the disclosure.
Detailed Description
The present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example 1
As shown in fig. 1, the present embodiment provides a layered staggered indirect cooling tower radiator, which includes:
an upper layer radiator and a lower layer radiator;
the upper-layer radiator is composed of a plurality of upper-layer sectors; the lower-layer radiator is composed of a plurality of lower-layer sectors; the upper layer sector and the lower layer sector are arranged in a staggered mode;
the upper sector and the lower sector are respectively communicated with a water source through a first water distribution calandria and a second water distribution calandria; the first water distribution calandria and the second water distribution calandria are arranged in a staggered mode, and a first water distribution valve and a second water distribution valve are arranged on the first water distribution calandria and the second water distribution calandria respectively.
Specifically, as shown in fig. 1, the lower-layer radiator is composed of a 1# sector-lower layer, a 3# sector-lower layer, a 5# sector-lower layer, a 7# sector-lower layer, a 9# sector-lower layer, an 11# sector-lower layer, and a 13# sector-lower layer;
the upper-layer radiator is composed of a 2# sector-upper layer, a 4# sector-upper layer, a 6# sector-upper layer, an 8# sector-upper layer, a 10# sector-upper layer, a 12# sector-upper layer and a 14# sector-upper layer.
The water source is arranged in an expansion water tank, the expansion water tank is communicated with an underground water tank, the underground water tank is connected with a condenser through a cooling water circulating pump, and the condenser is connected with a steam turbine.
In the specific implementation, the first water distribution calandria and the second water distribution calandria both adopt small 6 calandria, the water resistance is lower after the small 6 calandria are distributed hierarchically, and the 2 × 1000MW unit can save 157.8 ten thousand/year of annual operating cost.
For example: the 1000 MW-level intercooling tower radiator is provided with 168 cooling triangles, the upper layer and the lower layer are arranged in a layered mode, and the upper layer and the lower layer are respectively provided with 7 sectors.
As a specific implementation mode, the cooling triangles of each upper sector and the lower sector respectively correspond to one shutter, each shutter corresponds to one shutter actuating mechanism, and the shutter actuating mechanisms are used for controlling the opening and closing angle of the shutters, and the air volume is controlled by adjusting the angle of the shutters so as to achieve the purpose of controlling the water temperature.
As a specific embodiment, the shutter actuator includes an angular travel actuator, the angular travel actuator is connected to the first controller, and the angular travel actuator is used for controlling the opening and closing angle of the shutter under the action of the first controller.
The angular stroke actuator is an electric device for controlling the valve to be opened and closed by 0 to 90 degrees, such as an RGP series angular stroke actuator manufactured by thermal automatic equipment set ltd.
It will be appreciated that the type of angular travel actuator may be specifically selected by those skilled in the art based on the circumstances.
The first controller can be a 51-series single chip microcomputer or an ARM single chip microcomputer.
It should be noted that, in other embodiments, the first controller may also be implemented by using other programmable logic chips, such as a PLC or an FPGA chip.
As a specific embodiment, the first controller communicates with the monitoring server through a first wireless communication module.
The first wireless communication module can be realized by adopting a wifi module or other existing wireless communication modules.
In another embodiment, the shutter actuator is coupled to the DCS system.
The DCS system controls the action of the shutter actuating mechanism so as to control the opening and closing angle of the shutter.
The DCS System is an english abbreviation (Distributed Control System) of a Distributed Control System, and is also called a Distributed Control System in the domestic automatic Control industry. Structurally divided, a DCS includes a process level, an operation level, and a management level. The process level mainly consists of a process control station, an I/O unit and a field instrument, and is a main implementation part of the system control function. The operation stage includes: and the operator station and the engineer station complete the operation and configuration of the system. The management level mainly refers to a plant management information system (MIS system), and is applied to a higher level of DCS. The DCS system structure is an existing structure.
In one specific embodiment, the water distribution valve is an electric valve, and the electric valve is connected with the second controller.
Wherein, the second controller can be a 51 series single chip microcomputer or an ARM single chip microcomputer.
It should be noted that, in other embodiments, the second controller may also be implemented by using other programmable logic chips, such as a PLC or an FPGA chip.
As a specific embodiment, the second controller communicates with the monitoring server through a second wireless communication module.
The second wireless communication module can be realized by adopting a wifi module or other existing wireless communication modules.
In another embodiment, the water distribution valve is an electric valve, and the electric valve is connected with the DCS system.
The DCS system is used for controlling the corresponding electric valve to act, and further different water supply amounts of different sectors in the upper-layer radiator and the lower-layer radiator are achieved.
In the embodiment, the radiator and the louver are arranged in a double-layer mode to form the upper and lower independent sectors in an alternating mode, the flow of circulating water in the radiator is shorter and the uniformity is better under the scheme, the problem of large water resistance is solved, and the performance of the radiator is better; the upper and lower independent arrangement of the louver is matched with the upper and lower subareas of the radiator to supply water, so that the indirect air cooling tower is more flexibly controlled and has stronger antifreezing capability under the operation condition in winter, the defects of the traditional arrangement scheme are well overcome, and the louver has good economic and social benefits and wide application prospect.
Example 2
The present embodiment provides an indirect cooling tower.
The indirect cooling tower of the embodiment comprises indirect cooling tower radiators arranged in a layered and staggered mode in the embodiment 1, and the indirect cooling tower radiators are arranged in the area of an air inlet in the periphery of the outer portion of the indirect cooling tower.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (9)
1. The utility model provides a layering staggered arrangement's intercooling tower radiator which characterized in that includes:
an upper layer radiator and a lower layer radiator;
the upper-layer radiator is composed of a plurality of upper-layer sectors; the lower-layer radiator is composed of a plurality of lower-layer sectors; the upper layer sector and the lower layer sector are arranged in a staggered mode;
the upper sector and the lower sector are respectively communicated with a water source through a first water distribution calandria and a second water distribution calandria; the first water distribution calandria and the second water distribution calandria are arranged in a staggered mode, and a first water distribution valve and a second water distribution valve are arranged on the first water distribution calandria and the second water distribution calandria respectively.
2. The hierarchically staggered indirect cooling tower radiator of claim 1, wherein the cooling triangles of each of the upper and lower sectors correspond to a louver, and each louver is associated with a louver actuator for controlling the opening and closing angle of the louver, and the water temperature is controlled by varying the amount of ventilation of the louver.
3. The hierarchically staggered indirect cooling tower radiator of claim 2, wherein the louver actuator comprises an angular travel actuator, the angular travel actuator being connected to the first controller, the angular travel actuator being configured to control the opening and closing angle of the louvers under the action of the first controller.
4. The hierarchically staggered indirect cooling tower heatsink of claim 3, wherein the first controller is in communication with the monitoring server via a first wireless communication module.
5. The hierarchically staggered intercooling tower heat sink of claim 2, wherein the louver actuator is coupled to the DCS system.
6. The indirect cooling tower radiator of claim 1, wherein the water distribution valve is an electric valve, and the electric valve is connected to the second controller.
7. The hierarchically staggered indirect cooling tower heatsink of claim 6, wherein the second controller is in communication with a monitoring server via a second wireless communication module.
8. The hierarchically staggered intercooling tower heat sink of claim 6, wherein the motorized valves are coupled to a DCS system.
9. An intercooling tower, comprising the hierarchically staggered intercooling tower heat sink of any of claims 1-8, wherein the intercooling tower heat sink is arranged at an external peripheral air inlet area of the intercooling tower.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921564867.4U CN210892773U (en) | 2019-09-18 | 2019-09-18 | Layered and staggered intercooling tower radiator and intercooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921564867.4U CN210892773U (en) | 2019-09-18 | 2019-09-18 | Layered and staggered intercooling tower radiator and intercooling tower |
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| Publication Number | Publication Date |
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| CN210892773U true CN210892773U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921564867.4U Active CN210892773U (en) | 2019-09-18 | 2019-09-18 | Layered and staggered intercooling tower radiator and intercooling tower |
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| CN (1) | CN210892773U (en) |
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