CN210511633U - Exhaust steam recovery system suitable for boiler deaerator - Google Patents

Exhaust steam recovery system suitable for boiler deaerator Download PDF

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Publication number
CN210511633U
CN210511633U CN201921595300.3U CN201921595300U CN210511633U CN 210511633 U CN210511633 U CN 210511633U CN 201921595300 U CN201921595300 U CN 201921595300U CN 210511633 U CN210511633 U CN 210511633U
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China
Prior art keywords
exhaust steam
cooling water
exhaust
steam
boiler
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CN201921595300.3U
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Chinese (zh)
Inventor
张成飞
许永阳
施达清
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Dongguan Nine Dragons Paper Co Ltd
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Dongguan Nine Dragons Paper Co Ltd
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Abstract

The embodiment of the utility model discloses exhaust steam recovery system suitable for boiler oxygen-eliminating device for solve the exhaust steam of boiler oxygen-eliminating device release in operation process and discharge in to the atmosphere constantly, cause atmospheric noise and thermal pollution's technical problem. The embodiment of the utility model comprises a boiler deaerator and a waste steam recoverer; the exhaust steam recoverer is provided with an exhaust steam inlet, a cooling water outlet, a water outlet and a steam outlet; the exhaust steam inlet is connected with an exhaust steam pipeline which is communicated with an exhaust steam discharge end of a boiler deaerator; the cooling water inlet is connected with a first cooling water pipe, and the first cooling water pipe is connected with a cooling water source; a cooler is also installed in the exhaust steam recoverer, and a cooling water inlet and a cooling water outlet are both communicated with the cooler; the cooling water outlet is connected with a second cooling water pipe which is communicated with the water inlet end of the boiler deaerator; the exhaust port is connected with an exhaust fan.

Description

Exhaust steam recovery system suitable for boiler deaerator
Technical Field
The utility model relates to an exhaust steam retrieves technical field, especially relates to an exhaust steam recovery system suitable for boiler oxygen-eliminating device.
Background
When the boiler deaerator is in operation, a large amount of steam can be generated, and the discharged steam can be continuously discharged to the atmosphere, so that atmospheric noise and thermal pollution are caused, and the heat of the steam is wasted.
Therefore, in order to solve the above technical problems, it is an important subject of research by those skilled in the art to find a steam exhaust recovery system suitable for a boiler deaerator.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model discloses exhaust steam recovery system suitable for boiler oxygen-eliminating device for solve the exhaust steam of boiler oxygen-eliminating device release in operation process and discharge in to the atmosphere constantly, cause atmospheric noise and thermal pollution's technical problem.
The embodiment of the utility model provides an exhaust steam recovery system suitable for a boiler deaerator, which comprises the boiler deaerator and an exhaust steam recoverer;
the exhaust steam recoverer is provided with an exhaust steam inlet, a cooling water outlet, a water outlet and a steam exhaust port;
the exhaust steam inlet is connected with an exhaust steam pipeline which is communicated with an exhaust steam discharge end of the boiler deaerator;
the cooling water inlet is connected with a first cooling water pipe, and the first cooling water pipe is connected with a cooling water source;
a cooler is also installed in the exhaust steam recoverer, and the cooling water inlet and the cooling water outlet are both communicated with the cooler;
a second cooling water pipe is connected to the cooling water outlet and communicated with the water inlet end of the boiler deaerator;
and an exhaust fan is connected to the exhaust port.
Optionally, a drain tank is also included;
the water outlet is connected with a water outlet pipeline, and the water outlet is connected with the drain tank through the water outlet pipeline.
Optionally, a thermometer is further installed on the exhaust steam recoverer.
Optionally, a water level gauge is further installed in the dead steam recoverer.
Optionally, a regulating valve is mounted on the first cooling water pipe.
Optionally, a regulating valve is mounted on the second cooling water pipe.
According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:
the embodiment of the utility model provides an exhaust steam recovery system suitable for a boiler deaerator, which comprises the boiler deaerator and an exhaust steam recoverer; the exhaust steam recoverer is provided with an exhaust steam inlet, a cooling water outlet, a water outlet and a steam exhaust port; the exhaust steam inlet is connected with an exhaust steam pipeline which is communicated with an exhaust steam discharge end of the boiler deaerator; the cooling water inlet is connected with a first cooling water pipe, and the first cooling water pipe is connected with a cooling water source; a cooler is also installed in the exhaust steam recoverer, and the cooling water inlet and the cooling water outlet are both communicated with the cooler; a second cooling water pipe is connected to the cooling water outlet and communicated with the water inlet end of the boiler deaerator; and an exhaust fan is connected to the exhaust port. In the embodiment, the exhaust steam discharged by the boiler deaerator is guided into the exhaust steam recoverer, the cooler is arranged in the exhaust steam recoverer, the exhaust steam vertically flows in the cooler to perform convection heat exchange and cross flow heat exchange, meanwhile, the exhaust steam is cooled by cooling water, the exhaust steam is completely condensed into hydrophobic steam in the heat exchange process, the cooling water takes away the heat of the exhaust steam and then returns to the boiler deaerator through the cooling water outlet, through the design, the exhaust steam can be completely cooled and condensed into hydrophobic steam, the exhaust steam discharged outwards by the boiler deaerator is thoroughly eliminated, zero emission of atmosphere is realized, the atmospheric noise and thermal pollution caused by the exhaust steam are reduced, and the environment-friendly and energy-saving benefits are remarkable.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural view of an exhaust steam recovery system suitable for a boiler deaerator provided in an embodiment of the present invention;
illustration of the drawings: a boiler deaerator 1; a waste steam recoverer 2; a cooler 3; a dead steam inlet 4; a steam outlet 5; an exhaust fan 6; a cooling water inlet 7; a cooling water outlet 8; and a water outlet 9.
Detailed Description
The embodiment of the utility model discloses exhaust steam recovery system suitable for boiler oxygen-eliminating device for solve the exhaust steam of boiler oxygen-eliminating device release in operation process and discharge in to the atmosphere constantly, cause atmospheric noise and thermal pollution's technical problem.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of an exhaust steam recovery system suitable for a boiler deaerator provided in an embodiment of the present invention includes:
a boiler deaerator 1 and a waste steam recoverer 2;
the exhaust steam recoverer 2 is provided with an exhaust steam inlet 4, a cooling water inlet 7, a cooling water outlet 8, a water outlet 9 and a steam outlet 5;
the exhaust steam inlet 4 is connected with an exhaust steam pipeline which is communicated with an exhaust steam discharge end of the boiler deaerator 1;
the cooling water inlet 7 is connected with a first cooling water pipe, and the first cooling water pipe is connected with a cooling water source;
a cooler 3 is also installed in the exhaust steam recoverer 2, and the cooling water inlet 7 and the cooling water outlet 8 are both communicated with the cooler 3;
a second cooling water pipe is connected to the cooling water outlet 8 and communicated with the water inlet end of the boiler deaerator 1;
and an exhaust fan 6 is connected to the exhaust port 5.
In the embodiment, the exhaust steam discharged by the boiler deaerator 1 is guided into the exhaust steam recoverer 2, the cooler 3 is arranged in the exhaust steam recoverer 2, the exhaust steam vertically flows in the cooler 3 to perform convection heat exchange and cross flow heat exchange, meanwhile, the exhaust steam is cooled by cooling water, the exhaust steam is completely condensed into hydrophobic steam in the heat exchange process, the cooling water takes away the heat of the exhaust steam and then returns to the boiler deaerator 1 through the cooling water outlet 8, through the design, the exhaust steam can be completely cooled and condensed into hydrophobic steam, the exhaust steam discharged outside by the boiler deaerator 1 is thoroughly eliminated, zero emission of atmosphere is realized, the atmospheric noise and thermal pollution caused by the exhaust steam are reduced, and the environment-friendly and energy-saving benefits are remarkable.
Further, the device also comprises a drain tank;
the water outlet 9 is connected with a water outlet pipeline, and the water outlet 9 is connected with the drain tank through the water outlet pipeline.
It should be noted that after the exhaust steam is cooled to become hydrophobic, the exhaust steam enters the drain tank through the water outlet 9 and the water outlet pipeline.
Furthermore, a thermometer is also arranged on the exhaust steam recoverer 2.
The waste steam recoverer 2 is provided with a thermometer, so that the temperature of the waste steam recoverer 2 can be detected.
Furthermore, a water level meter is also installed in the exhaust steam recoverer 2.
It should be noted that a water level gauge is installed in the exhaust steam recoverer 2, which can monitor the water level condition of the exhaust steam after being changed into hydrophobic steam, and if the water level is too high, the exhaust steam needs to be discharged.
Further, a regulating valve is installed on the first cooling water pipe.
Furthermore, a regulating valve is installed on the second cooling water pipe.
It should be noted that the function of the regulating valve is to regulate the flow rate of cooling water entering the cooler 3 in the dead steam recovery device 2 or regulate the flow rate of cooling water flowing from the cooler 3 into the boiler deaerator 1.
Further, the exhaust steam recoverer 2 in the embodiment is made of stainless steel, and has the advantages of wear resistance, corrosion resistance, no need of maintenance, full-automatic operation and no need of supervision of a specially-assigned person.
In this embodiment, a working principle of the exhaust steam recovery system suitable for the boiler deaerator 1 is as follows:
the exhaust steam recoverer 2 belongs to negative pressure steam inlet, an exhaust fan 6 is started firstly, negative pressure is formed in an exhaust steam cooler 3, exhaust steam of the boiler deaerator 1 belongs to positive pressure steam exhaust, no resistance exists when the exhaust steam enters the cooler 3, and the exhaust steam vertically flows in the cooler 3 to perform convection heat exchange and cross flow heat exchange; simultaneously, cooling the dead steam by using cooling water,
the cooling water entering the cooler 3 in the exhaust steam recoverer 2 takes away the heat of the exhaust steam and returns to the boiler deaerator 1, and the exhaust steam is completely condensed into hydrophobic steam in the heat exchange process and returns to the hydrophobic tank for reuse, so that the heat loss is reduced.
The exhaust steam recovery system suitable for the boiler deaerator 1 in the embodiment has the advantages that the heat exchange effect of the exhaust steam in the cooler 3 is good, the oxygen content of water in the deaerator is qualified, 100% of the exhaust steam is cooled and condensed into hydrophobic steam, the exhaust steam discharged outside by the boiler deaerator 1 is thoroughly eliminated, zero emission of atmosphere is realized, the atmospheric noise and thermal pollution caused by the exhaust steam are reduced, and the environmental protection and energy saving benefits are remarkable.
It is right above the utility model provides a steam exhaust recovery system suitable for boiler oxygen-eliminating device introduces in detail, to the general technical personnel in this field, the foundation the utility model discloses the thought, all have the change part on concrete implementation and application scope, to sum up, this description content should not be understood as right the utility model discloses a restriction.

Claims (6)

1. A dead steam recovery system suitable for a boiler deaerator is characterized by comprising the boiler deaerator and a dead steam recoverer;
the exhaust steam recoverer is provided with an exhaust steam inlet, a cooling water outlet, a water outlet and a steam exhaust port;
the exhaust steam inlet is connected with an exhaust steam pipeline which is communicated with an exhaust steam discharge end of the boiler deaerator;
the cooling water inlet is connected with a first cooling water pipe, and the first cooling water pipe is connected with a cooling water source;
a cooler is also installed in the exhaust steam recoverer, and the cooling water inlet and the cooling water outlet are both communicated with the cooler;
a second cooling water pipe is connected to the cooling water outlet and communicated with the water inlet end of the boiler deaerator;
and an exhaust fan is connected to the exhaust port.
2. The exhaust steam recovery system suitable for use in a boiler deaerator in accordance with claim 1, further comprising a steam trap;
the water outlet is connected with a water outlet pipeline, and the water outlet is connected with the drain tank through the water outlet pipeline.
3. The exhaust steam recovery system suitable for the deaerator of a boiler in accordance with claim 1, wherein a thermometer is further installed on the exhaust steam recoverer.
4. The exhaust steam recovery system suitable for the deaerator of a boiler of claim 1, wherein a water level gauge is further installed in the exhaust steam recoverer.
5. The exhaust steam recovery system suitable for use in a boiler deaerator in accordance with claim 1, wherein said first cooling water pipe is fitted with a regulating valve.
6. The exhaust steam recovery system suitable for use in a boiler deaerator in accordance with claim 1, wherein a regulating valve is mounted on said second cooling water pipe.
CN201921595300.3U 2019-09-24 2019-09-24 Exhaust steam recovery system suitable for boiler deaerator Active CN210511633U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921595300.3U CN210511633U (en) 2019-09-24 2019-09-24 Exhaust steam recovery system suitable for boiler deaerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921595300.3U CN210511633U (en) 2019-09-24 2019-09-24 Exhaust steam recovery system suitable for boiler deaerator

Publications (1)

Publication Number Publication Date
CN210511633U true CN210511633U (en) 2020-05-12

Family

ID=70571247

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921595300.3U Active CN210511633U (en) 2019-09-24 2019-09-24 Exhaust steam recovery system suitable for boiler deaerator

Country Status (1)

Country Link
CN (1) CN210511633U (en)

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