CN219867447U - Drainage recovery device of pipeline expander - Google Patents

Drainage recovery device of pipeline expander Download PDF

Info

Publication number
CN219867447U
CN219867447U CN202320066393.0U CN202320066393U CN219867447U CN 219867447 U CN219867447 U CN 219867447U CN 202320066393 U CN202320066393 U CN 202320066393U CN 219867447 U CN219867447 U CN 219867447U
Authority
CN
China
Prior art keywords
water
pipeline
stage
seal
water seal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320066393.0U
Other languages
Chinese (zh)
Inventor
田裕荣
郭占利
戴亮
潘永明
舒立刚
郑旭
张培才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia North Mengxi Power Generation Co ltd
Original Assignee
Inner Mongolia North Mengxi Power Generation Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inner Mongolia North Mengxi Power Generation Co ltd filed Critical Inner Mongolia North Mengxi Power Generation Co ltd
Priority to CN202320066393.0U priority Critical patent/CN219867447U/en
Priority to JP2023000627U priority patent/JP3242088U/en
Application granted granted Critical
Publication of CN219867447U publication Critical patent/CN219867447U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Pipeline Systems (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The utility model relates to the technical field of drainage recovery, and discloses a drainage recovery device of a pipeline expansion vessel, which comprises the following components: the device comprises a pipeline expansion container, a multi-stage water seal, a steam exhaust device and a condensate water injector, wherein the pipeline expansion container is used for expanding steam entering the pipeline expansion container into water, the multi-stage water seal is connected to the water outlet end of the pipeline expansion container through a drainage pipeline, the multi-stage water seal is used for conveying the water in the pipeline expansion container, the steam exhaust device is connected to the water outlet end of the multi-stage water seal through a steam exhaust pipeline, the steam exhaust device is used for receiving the water in the multi-stage water seal, the condensate water injector is connected to the water inlet end of the multi-stage water seal through a water injection pipeline, and the condensate water injector is used for injecting condensate water into the multi-stage water seal. The utility model can solve the technical problem of high-quality steam discharge waste, realizes effective recovery of high-quality water drainage, and improves the energy utilization rate.

Description

Drainage recovery device of pipeline expander
Technical Field
The utility model relates to the technical field of drainage recovery, in particular to a drainage recovery device of a pipeline expansion vessel.
Background
The drainage of the current pipeline expansion vessel is mainly realized by draining a fixed cold water tank heating device, draining an auxiliary steam header, draining water before an auxiliary steam to a manual door of a deaerator, draining water after an auxiliary steam header is used for heating a heating station pipeline, draining water after a cold section reheating shaft seal adjusting door, draining water after a cold section reheating shaft seal electric door, draining water after a fuel oil heat tracing sweeping back-flow door, draining water before an auxiliary steam to a shaft seal steam supply adjusting door, draining water after an auxiliary steam to a raw adding adjusting door and draining water before an auxiliary steam header electric door, wherein the water draining of the fixed cold water tank heating device and the draining water after the fuel oil heat tracing sweeping back-flow door are used in winter, and all the water flows to chemical wastewater through a fixed discharge expansion vessel because the auxiliary steam header temperature is low, the drainage of the auxiliary steam header is always started to drain water, and flows to the chemical wastewater through the fixed discharge expansion vessel, and other drainage pipes are only started before input, so that high-quality steam is wasted.
There are many types of steam traps, such as bellows traps, which can remove foreign matter other than water vapor in time and are easy to detect and maintain. However, the drained hot water cannot be recovered through long pipelines, and a closed pipe network for recovering the drain water cannot be formed, so that high-quality steam is wasted, and the high-quality drain water cannot be effectively recovered.
Therefore, how to provide a drain recovery device for a pipeline expander, which can effectively recover high-quality drain is a technical problem to be solved at present.
Disclosure of Invention
The utility model aims to provide a drain recovery device for a pipeline flash vessel, which solves the technical problem of high-quality steam discharge waste, realizes effective recovery of high-quality drain and improves energy utilization rate.
In order to achieve the above object, the present utility model provides a hydrophobic recovery device for a pipe expander, comprising:
the pipeline expander is used for expanding the steam entering the pipeline expander into water;
the multi-stage water seal is connected to the water outlet end of the pipeline expansion vessel through a hydrophobic pipeline and is used for conveying water in the pipeline expansion vessel;
the steam exhaust device is connected to the water outlet end of the multi-stage water seal through a steam exhaust pipeline and is used for receiving water in the multi-stage water seal;
the condensate water injector is connected to the water inlet end of the multi-stage water seal through a water injection pipeline and is used for injecting condensate water into the multi-stage water seal.
In one embodiment, the method further comprises:
the fixed-row expansion vessel is connected to the water outlet end of the pipeline expansion vessel through a drainage pipeline and is used for draining water in the pipeline expansion vessel.
In one embodiment, the number of the multistage water seals is six.
In one embodiment, the hydrophobic pipeline is provided with a first valve.
In one embodiment, the water injection pipeline is provided with a second valve.
In one embodiment, a third valve is arranged on the steam exhaust pipeline.
In one embodiment, the drainage pipeline is provided with a fourth valve, a first electric valve and a second electric valve.
The utility model provides a drainage recovery device of a pipeline expander, which has the following beneficial effects compared with the prior art:
the utility model discloses a drain recovery device of a pipeline expander, which comprises: the device comprises a pipeline expansion container, a multi-stage water seal, a steam exhaust device and a condensate water injector, wherein the pipeline expansion container is used for expanding steam entering the pipeline expansion container into water, the multi-stage water seal is connected to the water outlet end of the pipeline expansion container through a drainage pipeline, the multi-stage water seal is used for conveying the water in the pipeline expansion container, the steam exhaust device is connected to the water outlet end of the multi-stage water seal through a steam exhaust pipeline, the steam exhaust device is used for receiving the water in the multi-stage water seal, the condensate water injector is connected to the water inlet end of the multi-stage water seal through a water injection pipeline, and the condensate water injector is used for injecting condensate water into the multi-stage water seal. The utility model can solve the technical problem of high-quality steam discharge waste, realizes effective recovery of high-quality water drainage, and improves the energy utilization rate.
Drawings
Fig. 1 shows a schematic structural diagram of a drain recovery device of a pipe expander in an embodiment of the present utility model;
fig. 2 shows a schematic structural view of a multistage water seal in an embodiment of the present utility model;
in the figure, 1, a pipeline expander; 2. multistage water seal; 3. a steam exhaust device; 4. a condensed water injector; 5. a fixed-row expansion vessel; 6. a first valve; 7. a second valve; 8. a third valve; 9. a fourth valve; 10. a first electrically operated valve; 11. and the second electric valve.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following is a description of preferred embodiments of the utility model, taken in conjunction with the accompanying drawings.
As shown in fig. 1, an embodiment of the present utility model discloses a drainage recovery device of a pipe expander, including:
a pipe expander 1 for expanding steam entering the pipe expander 1 into water;
the multi-stage water seal 2 is connected to the water outlet end of the pipeline expansion vessel 1 through a hydrophobic pipeline, and the multi-stage water seal 2 is used for conveying water in the pipeline expansion vessel 1;
the steam exhaust device 3 is connected to the water outlet end of the multi-stage water seal 2 through a steam exhaust pipeline, and the steam exhaust device 3 is used for receiving water in the multi-stage water seal 2;
the condensate water injector 4 is connected to the water inlet end of the multi-stage water seal 2 through a water injection pipeline, and the condensate water injector 4 is used for injecting condensate water into the multi-stage water seal 2.
In this embodiment, a pipe expander 1, a multi-stage water seal 2, a steam exhaust device 3 and a condensate water injector 4 are disclosed, the pipe expander 1 is used for expanding steam entering the pipe expander into water, the multi-stage water seal 2 is connected to the water outlet end of the pipe expander 1 through a hydrophobic pipe, the multi-stage water seal 2 is used for conveying water in the pipe expander 1, the steam exhaust device 3 is connected to the water outlet end of the multi-stage water seal 2 through a steam exhaust pipe, the steam exhaust device 3 is used for receiving water in the multi-stage water seal 2, the condensate water injector 4 is connected to the water inlet end of the multi-stage water seal 2 through a water injection pipe, and the condensate water injector 4 is used for injecting condensate water into the multi-stage water seal 2. The utility model can solve the technical problem of high-quality steam discharge waste, realizes effective recovery of high-quality water drainage, and improves the energy utilization rate.
It should be noted that the height of the multi-stage water seals 2 in the present utility model may be set according to the maximum vapor pressure of the pipe expander 1, the working pressure and the pressure of the steam exhaust device 3, and is not particularly limited herein, for example, the maximum vapor pressure of the pipe expander 1 is 100kPa, the working pressure is 70kPa, the pressure of the steam exhaust device 3 is-80 kPa, the heights of the six multi-stage water seals 2 are greater than 18 meters (obtained by the liquid pressure formula, the height h=180×1000/pg=18 meters, wherein the water density p=1000 kg/m3, and the g=10N/kg), and each multi-stage water seal 2 is 3.2 meters. The multistage water seal 2 in the present utility model does not affect the vacuum of the steam turbine (not shown) even in the case where there is no water in the pipe expander 1. Meanwhile, the multi-stage water seal 2 needs to be filled with water before being used, the condensate water injector 4 injects condensate water into the multi-stage water seal 2 through a water injection pipeline, and air accumulated in the multi-stage water seal 2 can be discharged through injecting condensate water into the multi-stage water seal 2.
In some embodiments of the utility model, further comprising:
the fixed-row expander 5 is connected to the water outlet end of the pipeline expander 1 through a drainage pipeline, and the fixed-row expander 5 is used for draining water in the pipeline expander 1.
In this embodiment, after the steam is expanded into water by the pipe expander 1, whether the current water quality is qualified is detected, if the current water quality is qualified, qualified water is conveyed into the multi-stage water seal 2 through the drainage pipe, if the current water quality is unqualified, unqualified water is conveyed to the fixed-row expander 5 through the drainage pipe, and unqualified water is discharged through the fixed-row expander 5.
In some embodiments of the utility model, the number of the multistage water seals 2 is six.
In some embodiments of the utility model, the hydrophobic conduit is provided with a first valve 6.
In this embodiment, when qualified water needs to be conveyed into the multi-stage water seal 2, the first valve 6 is opened to realize conveyance of the qualified water, and meanwhile, the opening of the first valve 6 is controlled to control the flow of water entering the multi-stage water seal 2.
In some embodiments of the utility model, a second valve 7 is provided on the water injection line.
In this embodiment, the condensed water can be injected into the multistage water seal 2 by opening the second valve 7.
In some embodiments of the utility model, a third valve 8 is provided on the exhaust duct.
In this embodiment, the third valve 8 is opened to convey the qualified water to the steam exhaust device 3, so as to recycle the qualified water.
In some embodiments of the utility model, the drain pipe is provided with a fourth valve 9, a first electrically operated valve 10 and a second electrically operated valve 11.
In this embodiment, by controlling the fourth valve 9, the first electrically operated valve 10, and the second electrically operated valve 11, it is possible to deliver reject water to the constant-row expander 5.
The working principle of the drainage recovery device of the pipeline expander provided by the embodiment is described below:
when the drainage recovery device of the pipeline expander is used, steam enters the pipeline expander 1, the steam is expanded into water in the pipeline expander 1, then water quality is detected, when the water quality is unqualified, the fourth valve 9, the first electric valve 10 and the second electric valve 11 are opened, the first valve 6 and the second valve 7 are closed, unqualified water is conveyed to the constant-row expander 5 through the drainage pipeline, when the water quality is qualified, the second valve 7 is firstly opened, the condensate water injector 4 injects condensate water into the multi-stage water seal 2 through the second valve 7, then the first valve 6 is opened, the fourth valve 9, the first electric valve 10 and the second electric valve 11 are closed, qualified water is conveyed to the multi-stage water seal 2, finally the third valve 8 is opened, the qualified water is conveyed to the steam exhaust device 3 through the steam exhaust pipeline, and the steam exhaust device 3 is used for recycling the qualified water for a steam turbine.
In summary, the embodiment of the utility model discloses a pipeline expansion vessel 1, a multi-stage water seal 2, a steam exhaust device 3 and a condensate water injector 4, wherein the pipeline expansion vessel 1 is used for expanding steam entering the pipeline expansion vessel into water, the multi-stage water seal 2 is connected to the water outlet end of the pipeline expansion vessel 1 through a hydrophobic pipeline, the multi-stage water seal 2 is used for conveying the water in the pipeline expansion vessel 1, the steam exhaust device 3 is connected to the water outlet end of the multi-stage water seal 2 through a steam exhaust pipeline, the steam exhaust device 3 is used for receiving the water in the multi-stage water seal 2, the condensate water injector 4 is connected to the water inlet end of the multi-stage water seal 2 through a water injection pipeline, and the condensate water injector 4 is used for injecting condensate water into the multi-stage water seal 2. The utility model can solve the technical problem of high-quality steam discharge waste, realizes effective recovery of high-quality water drainage, and improves the energy utilization rate.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the entire description of these combinations is not made in the present specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Those of ordinary skill in the art will appreciate that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. A drain recovery device for a pipe expander, comprising:
the pipeline expander is used for expanding the steam entering the pipeline expander into water;
the multi-stage water seal is connected to the water outlet end of the pipeline expansion vessel through a hydrophobic pipeline and is used for conveying water in the pipeline expansion vessel;
the steam exhaust device is connected to the water outlet end of the multi-stage water seal through a steam exhaust pipeline and is used for receiving water in the multi-stage water seal;
the condensate water injector is connected to the water inlet end of the multi-stage water seal through a water injection pipeline and is used for injecting condensate water into the multi-stage water seal.
2. The drain recovery device of a pipe expander of claim 1, further comprising:
the fixed-row expansion vessel is connected to the water outlet end of the pipeline expansion vessel through a drainage pipeline and is used for draining water in the pipeline expansion vessel.
3. The drain recovery device of a pipe expander of claim 1, wherein the number of multi-stage water seals is six.
4. The drain recovery device of a pipe expander according to claim 1, wherein the drain pipe is provided with a first valve.
5. The drain recovery device of a pipe expander according to claim 1, wherein the water injection pipe is provided with a second valve.
6. The drain recovery device of a pipe expander according to claim 1, wherein a third valve is provided on the steam exhaust pipe.
7. The drain recovery device of the pipe expander according to claim 2, wherein the drain pipe is provided with a fourth valve, a first electrically operated valve and a second electrically operated valve.
CN202320066393.0U 2023-01-09 2023-01-09 Drainage recovery device of pipeline expander Active CN219867447U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202320066393.0U CN219867447U (en) 2023-01-09 2023-01-09 Drainage recovery device of pipeline expander
JP2023000627U JP3242088U (en) 2023-01-09 2023-03-01 Waste water collection device for pipeline expansion vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320066393.0U CN219867447U (en) 2023-01-09 2023-01-09 Drainage recovery device of pipeline expander

Publications (1)

Publication Number Publication Date
CN219867447U true CN219867447U (en) 2023-10-20

Family

ID=86395091

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320066393.0U Active CN219867447U (en) 2023-01-09 2023-01-09 Drainage recovery device of pipeline expander

Country Status (2)

Country Link
JP (1) JP3242088U (en)
CN (1) CN219867447U (en)

Also Published As

Publication number Publication date
JP3242088U (en) 2023-05-26

Similar Documents

Publication Publication Date Title
CN208222880U (en) A kind of fused salt emptying system of solar energy optical-thermal heat-exchange system
CN204555414U (en) A kind of degression type steam condensate (SC) reclaiming system
CN203642731U (en) Harmon type indirect air cooling circulating water recovery system
CN108035779A (en) A kind of water cooling Steam Turbine exhaust steam residual heat recycles heating system
CN201277537Y (en) High-temperature condensed water reclaimer
CN206386914U (en) A kind of exhaust steam recovery control system
CN219867447U (en) Drainage recovery device of pipeline expander
CN104589478A (en) Still kettle quick accumulated residual steam accumulated energy circulating device and method
CN210833119U (en) Energy-saving device for sensible heat utilization of high-temperature condensed water
CN204420978U (en) A kind of energy saving drainage system of boiler hydrophobic development unit
CN204431459U (en) Vapour energy storage circulation device more than still kettle accelerated accumulation formula
CN201413053Y (en) Multi-functional condensed water reuse device
CN204460174U (en) Steam boiler blowdown deaerating type of cycles
CN207159697U (en) A kind of paper machine steam and condensate system for ultrathin release raw paper
CN105258399B (en) Middle water reclamation system with energy regenerating structure
CN101598495B (en) Recovery device for condensed water
CN203911671U (en) Hydropower station unit energy conservation and environment protection phase change cooling device
CN209801455U (en) Low-pressure drainage optimization structure of 600MW unit
CN202954859U (en) Steam seal heater
CN205101237U (en) Steam turbine vacuum pumping system
CN217464389U (en) Comprehensive energy boiler system suitable for steam injection oil production
CN217686699U (en) Closed condensate water recycling system
CN215568875U (en) Transportation pipeline for lubricating oil production
CN216591669U (en) Flash tank exhaust steam recycling device
CN204594282U (en) Cooler and steam drainage system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant