CN215170238U - Dry quenching system - Google Patents
Dry quenching system Download PDFInfo
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- CN215170238U CN215170238U CN202121221330.5U CN202121221330U CN215170238U CN 215170238 U CN215170238 U CN 215170238U CN 202121221330 U CN202121221330 U CN 202121221330U CN 215170238 U CN215170238 U CN 215170238U
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Abstract
The embodiment of the application provides a dry quenching system, which comprises: the system comprises a dry quenching boiler, a steam turbine generator unit, a steam exhaust system and an air cooling system. According to a dry quenching system of this application embodiment, the steam that the dry quenching boiler produced sends into turbo generator set, this turbo generator set utilizes this steam to do work and generate electricity, steam through this turbo generator set gets into the steam extraction branch pipe behind steam extraction device, the first steam extraction pipe, the steam extraction branch pipe is arranged near the fan of air cooling system, this fan can be for the steam cooling in the steam extraction branch pipe, and be provided with the isolating valve on some steam extraction branch pipes, when turbo generator set full load operation, every isolating valve of group is in the open mode, when turbo generator set's load adjustment, can corresponding closing isolating valve, like this, can be according to turbo generator set's load corresponding closing or opening isolating valve, can adjust the operation of fan, reduce the power consumption of air cooling system operation, avoid steam exhaust pipeline winter to freeze.
Description
Technical Field
The application relates to the field of coking, in particular to a dry quenching system.
Background
The coking product is one of the main raw materials required by the production of industries such as iron and steel in China, the traditional thermal generator set determines the quantity of coal to be burned according to the generated energy, and the operating load of the thermal generator set is basically unchanged, so that the air cooling island operates throughout the year without considering load reduction. However, the dry quenching system is a waste heat utilization project, and the operation of the dry quenching system depends on the stability of the dry quenching system and the price of coke on the market, so the load of the air-cooled generator set of the dry quenching system is changed frequently, and if the existing air-cooled generator set of the dry quenching system adopts the operation mode of the thermal generator set, the operation load is basically unchanged, and a large amount of energy is wasted.
SUMMERY OF THE UTILITY MODEL
The application aims to provide an air cooling steam turbine unit in a dry quenching system, so as to solve the technical problem that the dry quenching system in the prior art wastes resources seriously. In order to achieve the above purpose, the present application provides the following technical solutions:
an embodiment of the application provides a dry quenching system, which comprises a dry quenching boiler, a turbo generator unit, a steam exhaust system and a plurality of air cooling systems. Specifically, the steam turbine generator unit is connected with a dry quenching boiler. The steam exhaust system comprises a steam exhaust device, a first steam exhaust pipe, a plurality of steam exhaust branch pipes and a second steam exhaust pipe, one end of the steam exhaust device is connected with the steam turbine generator unit, the other end of the steam exhaust device is connected with the inlet end of the first steam exhaust pipe, the inlet end of each steam exhaust branch pipe is connected with the outlet end of the first steam exhaust pipe, an isolation valve is arranged at the position, close to the first steam exhaust pipe, of one part of the steam exhaust branch pipes, and the outlet end of each steam exhaust branch pipe is connected with the second steam exhaust pipe. Each steam exhaust branch pipe is provided with an air cooling system, wherein a fan is arranged on one part of the air cooling systems, and the fan is configured to cool the steam exhaust branch pipe.
According to a dry quenching system of this application embodiment, the steam that the dry quenching boiler produced sends into turbo generator set, this turbo generator set utilizes this steam to do work and generate electricity, steam through this turbo generator set gets into the steam extraction branch pipe behind steam extraction device, the first steam extraction pipe, the steam extraction branch pipe is arranged near the fan of air cooling system, this fan can be for the steam cooling in the steam extraction branch pipe, and be provided with the isolating valve on some steam extraction branch pipes, when turbo generator set full load operation, every isolating valve of group is in the open mode, when turbo generator set's load adjustment, can corresponding closing isolating valve, like this, can be according to turbo generator set's load corresponding closing or opening isolating valve, can adjust the operation of fan, reduce the power consumption of air cooling system operation, avoid steam exhaust pipeline winter to freeze.
In addition, a dry quenching system according to the embodiment of the application can also have the following additional technical characteristics:
in some embodiments of the present application, further comprising: and the water ring vacuum pump is connected with the outlet end of the second exhaust pipe.
In some embodiments of the present application, further comprising: the condensate water branch pipe, the condensate water branch pipe with the connection of a plurality of air cooling systems, just the end of condensate water branch pipe is gathered for the condensate water house steward, the one end of condensate water house steward with steam exhaust device connects.
In some embodiments of the present application, a shut-off valve is provided on a portion of the condensed water branch pipe.
In some embodiments of the present application, further comprising: and one end of the condensate pump is connected with the steam exhaust device.
In some embodiments of the present application, the shut-off valves correspond to the number of isolation valves.
In some embodiments of the present application, the shut-off valve is an electrically operated freeze-protected shut-off valve and the isolation valve is an electrically operated freeze-protected isolation valve.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Like reference numerals refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a process flow diagram of a dry quenching system in an embodiment of the present application;
the reference symbols in the drawings denote the following:
10-dry quenching boiler; 20-a steam turbine generator unit; 31-a steam exhaust device; 32-a first exhaust pipe;
33-steam exhaust branch pipe; 34-a second exhaust pipe; 35-an isolation valve; 40-air cooling system;
41-a fan; 50-water ring vacuum pump; 60-condensation water main; 61-condensation water branch pipe;
62-a stop valve; and 70-a condensate pump.
Detailed Description
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is also obvious for a person skilled in the art to obtain other embodiments according to the drawings.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the description herein are intended to be within the scope of the present disclosure.
An embodiment of the present application provides a dry quenching system, which includes a dry quenching boiler 10, a turbo generator unit 20, a steam exhaust system, and a plurality of air cooling systems 40. Specifically, a turbo generator unit 20 is connected to the dry quenching boiler 10. The steam exhaust system comprises a steam exhaust device 31, a first steam exhaust pipe 32, a plurality of steam exhaust branch pipes 33 and a second steam exhaust pipe, one end of the steam exhaust device 31 is connected with the steam turbine generator unit 20, the other end of the steam exhaust device 31 is connected with the inlet end of the first steam exhaust pipe 32, the inlet end of each steam exhaust branch pipe 33 is connected with the outlet end of the first steam exhaust pipe 32, an isolation valve 35 is arranged at a position, close to the first steam exhaust pipe 32, of one part of the steam exhaust branch pipes 33, and the outlet end of each steam exhaust branch pipe 33 is connected with the second steam exhaust pipe 34. Each exhaust branch pipe 33 is provided with an air cooling system 40, wherein a part of the air cooling systems 40 are provided with a fan 41, and the fan 41 is configured to cool the exhaust branch pipe 33.
According to an embodiment of the present application, steam generated by the coke dry quenching boiler 10 is sent to the turbo generator unit 20, the turbo generator unit 20 uses the steam to perform work and generate power, the steam passing through the turbo generator unit 20 enters the steam exhaust branch pipe 33 after passing through the steam exhaust device 31 and the first steam exhaust pipe 32, the steam exhaust branch pipe 33 is arranged near the fan 41 of the air cooling system 40, the fan 41 can cool the steam in the steam exhaust branch pipe 33, and the isolation valves 35 are arranged on a part of the steam exhaust branch pipes 33, when the turbo generator unit 20 runs at full load, each group of isolation valves 35 is in an open state, when the load of the turbo generator unit is adjusted, the isolation valves 35 can be correspondingly closed, so that the isolation valves 35 can be correspondingly closed or opened according to the load of the turbo generator unit 20, the operation of the fan 41 can be adjusted, and the power consumption of the air cooling system 40 can be reduced, avoid the exhaust pipe to freeze in winter.
In some embodiments of the present application, the dry quenching system further comprises: the water ring vacuum pump 50, the water ring vacuum pump 50 is connected with the outlet end of the second exhaust pipe 34, in the embodiment of the present application, the dry quenching system further includes the water ring vacuum pump 50, and the water ring vacuum pump 50 is connected with the outlet end of the second exhaust pipe 34, when the steam in the exhaust branch pipe 33 passes through the air cooling system 40, the steam is converged to the second exhaust pipe 34, and the noncondensable gas which is not condensed into water in the second exhaust pipe 34 is pumped away by the water ring vacuum pump 50.
In some embodiments of the present application, the dry quenching system further comprises: the condensate branch pipes 61, the condensate branch pipes 61 are connected with the air cooling system 40, and the tail ends of the condensate branch pipes 61 are collected into a condensate header pipe 60, one end of the condensate header pipe 60 is connected with the steam exhaust device 31, in the embodiment of the application, the dry quenching system further comprises the condensate branch pipes 61 and the condensate header pipe 60, steam in the steam exhaust branch pipes 33 passes through the air cooling system 40, a part of steam can be cooled and condensed into water, the condensed water is collected into the condensate branch pipes 61, water in the multiple condensate branch pipes 61 is finally collected into the condensate header pipe 60, the condensate header pipe 60 is connected with the steam exhaust branch pipes 33, namely, water in the condensate header pipe 60 is sent back to the steam exhaust device 31.
In some embodiments of the present application, a stop valve 62 is disposed on a part of the condensed water branch pipe 61, in the embodiments of the present application, the stop valve 62 is disposed on the condensed water branch pipe 61, it can be understood that, in winter, if the steam turbine generator set is in low-load operation, the number of the fans 41 in the air cooling system 40 can be adjusted according to the load of the steam turbine generator set, the generated energy of the operation of the air cooling system 40 is reduced, and the freezing of the exhaust system is avoided, at this time, the stop valve 62 is disposed on the condensed water branch pipe 61, that is, the stop valve 62 can be closed correspondingly, the freezing of the condensed water main pipe 60 is prevented, and the heat dissipation loss of the condensed water is prevented.
In some embodiments of the present application, the dry quenching system further comprises: the condensate pump 70 is connected to the steam exhaust device 31 at one end of the condensate pump 70, and in the embodiment of the present application, the coke dry quenching system further includes the condensate pump 70, and the condensate pump 70 is connected to the steam exhaust device 31, i.e., after the condensed water in the condensate header pipe 60 is sent back to the steam exhaust device 31, the condensate pump 70 can extract the condensed water and send the condensed water out to the coke dry quenching system for reuse.
In some embodiments of the present application, the stop valve 62 is disposed in accordance with the set of the isolation valve 35, in the embodiments of the present application, the stop valve 62 and the isolation valve 35 are in accordance with the number, and further, the isolation valve 35 is disposed in the steam exhaust branch pipe 33 of the same air cooling system 40, and the stop valve 62 is correspondingly disposed in the condensed water branch pipe 61 of the air cooling system 40, that is, when the air cooling system 40 is turned on, the isolation valve 35 and the stop valve 62 are correspondingly opened, and if the air cooling system 40 is turned off, the isolation valve 35 and the stop valve 62 are correspondingly closed, so that when the air cooling system 40 is not turned on, the isolation valve 35 is closed to prevent steam from passing through the air cooling system 40, the stop valve 62 is closed to prevent condensed water in the condensed water branch pipe 61 from freezing in winter, and further, the air cooling system 40 can be configured with the corresponding set number according to the operation capacity of the turbo generator unit 20 configured by the dry quenching system, the minimum operation load requirements of the turbo generator units 20 are met by a plurality of groups of the air cooling systems 40, the steam exhaust branch pipes 33 of the air cooling systems 40 are not provided with the isolation valves 35, the corresponding condensed water branch pipes 61 are not provided with the stop valves 62, and the rest of the air cooling systems 40 in each group need to be provided with the isolation valves 35 and the stop valves 62.
In some embodiments of the present application, stop valve 62 is electronic frostproofing stop valve, and isolation valve 35 is electronic frostproofing isolation valve, and in the embodiment of the present application, stop valve 62 is electronic frostproofing stop valve, and isolation valve 35 is electronic frostproofing isolation valve, can conveniently carry out remote control with stop valve 62 and isolation valve 35, can improve the convenience that operating personnel opened or closed stop valve 62 and isolation valve 35 like this, moreover in winter, can prevent this stop valve 62 and isolation valve 35 from freezing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present application are described in a related manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only for the preferred embodiment of the present application and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (7)
1. A dry quenching system, comprising:
a dry quenching boiler;
the steam turbine generator unit is connected with the dry quenching boiler;
the steam exhaust system comprises a steam exhaust device, a first steam exhaust pipe, a plurality of steam exhaust branch pipes and a second steam exhaust pipe, wherein one end of the steam exhaust device is connected with the steam turbine generator unit, the other end of the steam exhaust device is connected with the inlet end of the first steam exhaust pipe, the inlet end of each steam exhaust branch pipe is connected with the outlet end of the first steam exhaust pipe, an isolation valve is arranged at the position, close to the first steam exhaust pipe, of one part of the steam exhaust branch pipes, and the outlet end of each steam exhaust branch pipe is connected with the second steam exhaust pipe;
and each air cooling system is provided with one air cooling system and one air cooling system, and the air cooling system is provided with a fan which is configured to cool the steam exhaust branch pipe.
2. The dry quenching system of claim 1, further comprising: and the water ring vacuum pump is connected with the outlet end of the second exhaust pipe.
3. The dry quenching system of claim 1, further comprising: the condensate water branch pipe, the condensate water branch pipe with the connection of a plurality of air cooling systems, just the end of condensate water branch pipe is gathered for the condensate water house steward, the one end of condensate water house steward with steam exhaust device connects.
4. A dry quenching system as claimed in claim 3, wherein a shut-off valve is provided in a part of the condensate branch pipe.
5. The dry quenching system of claim 4, further comprising: and one end of the condensate pump is connected with the steam exhaust device.
6. The dry quenching system of claim 5, wherein the number of shut off valves corresponds to the number of isolation valves.
7. The dry quenching system of claim 5, wherein the stop valve is an electrically operated freeze stop valve and the isolation valve is an electrically operated freeze isolation valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121221330.5U CN215170238U (en) | 2021-06-02 | 2021-06-02 | Dry quenching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121221330.5U CN215170238U (en) | 2021-06-02 | 2021-06-02 | Dry quenching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170238U true CN215170238U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202121221330.5U Active CN215170238U (en) | 2021-06-02 | 2021-06-02 | Dry quenching system |
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| CN (1) | CN215170238U (en) |
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2021
- 2021-06-02 CN CN202121221330.5U patent/CN215170238U/en active Active
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