CN205208605U - MGGH flue gas reheat machine - Google Patents
MGGH flue gas reheat machine Download PDFInfo
- Publication number
- CN205208605U CN205208605U CN201521108253.7U CN201521108253U CN205208605U CN 205208605 U CN205208605 U CN 205208605U CN 201521108253 U CN201521108253 U CN 201521108253U CN 205208605 U CN205208605 U CN 205208605U
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- China
- Prior art keywords
- temperature section
- high temperature
- low
- flue gas
- magnetic valve
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Abstract
The utility model discloses a MGGH flue gas reheat machine, including flue gas inlet, device casing, low temperature section, medium temperature section, high temperature section, exhanst gas outlet, solenoid valve and connecting pipe, flue gas inlet is located device casing left side, and the exhanst gas outlet is located device casing right side, from left low temperature section, medium temperature section, the high temperature section of having set gradually to the right side, low temperature section, medium temperature section, high temperature section are constituteed by a plurality of pipelines in the device casing, and the left side import department of low temperature section installs the solenoid valve, and the right side and the import of high temperature section of low temperature section are connected through the connecting pipe, and high temperature section left side is connected through the connecting pipe with medium temperature section right side, and the solenoid valve is installed in medium temperature section left side exit, the pipeline includes corrosion -resistant layer and pipeline body. The utility model discloses a neotype water flow pattern to provide hydrothermal heat utilization rate, through increasing corrosion -resistant layer in the outside of tubes side to prevent low temperature corrosion.
Description
[technical field]
The utility model relates to the technical field of smoke re-heater, particularly a kind of technical field of low-temperature flue gas treatment system MGGH flue gas reheat apparatus.
[background technology]
Modern discharge smoke temperature of power station boiler usually 120 DEG C ?between 135 DEG C, the high-temperature flue gas containing SO2 after wet desulphurization device purification, its temperature can be down to 45 DEG C ?50 DEG C, and become the wet flue gas being full of saturated vapor.For improve pollutant in chimney breast flue gas diffusivity, reduce plume visibility, avoid chimney " to rain ", environmental administration can require that the power plant of near cities installs smoke re-heater and the flue-gas temperature after purifying is promoted to more than 80 DEG C usually.
In the technical field of existing low-temperature flue gas treatment system MGGH smoke re-heater, the reheating of flue gas utilizes hot water in Bottomhole pressure usually, flue gas process, thus the transmission carrying out heat, realizes heating again.And in existing method, the flow path of water is all the usual manner flowing through low-temperature zone, middle-temperature section, high temperature section successively, the mode with coiled pipe in each temperature section is roundabout.The method is unfavorable for quick reheating, simultaneously low for the utilization rate of the heat energy of hot water.In addition, containing droplet in bulk and gypsum etc. in the flue gas after desulfurizing tower exports out, after entering smoke re-heater, very easily in low-temperature zone generation cold end corrosion.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, a kind of MGGH smoke reutilizer is proposed, low-temperature zone, high temperature section is flowed through successively by hot water, secondly middle-temperature section is flowed through from high temperature section, the last mode from middle-temperature section outflow and flue gas carry out heat exchange, thus provide the heat utilization rate of hot water.In addition, by increasing anti-corrosion layer outside pipe, to prevent cold end corrosion.
For achieving the above object, the utility model proposes a kind of MGGH smoke reutilizer, comprise gas approach, device case, low-temperature zone, middle-temperature section, high temperature section, exhanst gas outlet, magnetic valve and tube connector; Described gas approach is positioned on the left of device case, and exhanst gas outlet is positioned on the right side of device case; Low-temperature zone, middle-temperature section, high temperature section is disposed with from left to right in described device case, low-temperature zone, middle-temperature section, high temperature section form by some pipelines, the left side import department of low-temperature zone is provided with magnetic valve, the right side of low-temperature zone is connected by tube connector with high temperature section import, be connected by tube connector with on the right side of middle-temperature section on the left of high temperature section, the left side outlet place of middle-temperature section is provided with magnetic valve; Described pipeline comprises anti-corrosion layer and pipeline body.
As preferably, described pipeline is circular hollow structure, and the diameter of pipeline is at least 6mm, described anti-corrosion layer and pipeline body compact siro spinning technology.
As preferably, on the left of described low-temperature zone, the import of import department's magnetic valve is hot water inlet, and the outlet of middle-temperature section left side outlet place magnetic valve is cooling water outlet.
As preferably, the external 24V dc source of described magnetic valve.
Secondly the beneficial effects of the utility model: the utility model flows through low-temperature zone, high temperature section successively by hot water, flow through middle-temperature section from high temperature section, and the mode finally flowed out from middle-temperature section and flue gas carry out heat exchange, thus provide the heat utilization rate of hot water.In addition, by increasing anti-corrosion layer outside pipe, to prevent cold end corrosion.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the main TV structure schematic diagram of a kind of MGGH of the utility model smoke reutilizer;
Fig. 2 is the water flow schematic diagram of a kind of MGGH smoke reutilizer of the utility model;
Fig. 3 is the tube section schematic diagram of a kind of MGGH smoke reutilizer of the utility model.
In figure: 1-gas approach, 2-device case, 3-low-temperature zone, 4-middle-temperature section, 5-pipeline, 6-high temperature section, 7-exhanst gas outlet, 8-hot water inlet, 9-cooling water outlet, 10-magnetic valve, 11-tube connector, 12-anti-corrosion layer, 13-pipeline body.
[detailed description of the invention]
Consult Fig. 1, Fig. 2 and Fig. 3, the utility model, comprise gas approach 1, device case 2, low-temperature zone 3, middle-temperature section 4, high temperature section 6, exhanst gas outlet 7, magnetic valve 10 and tube connector 11; Described gas approach 1 is positioned on the left of device case 2, and exhanst gas outlet 7 is positioned on the right side of device case 2; Low-temperature zone 3, middle-temperature section 4, high temperature section 6 is disposed with from left to right in described device case 2, low-temperature zone 3, middle-temperature section 4, high temperature section 6 form by some pipelines 5, the left side import department of low-temperature zone 3 is provided with magnetic valve 10, the right side of low-temperature zone 3 is connected by tube connector 11 with high temperature section 6 import, be connected by tube connector 11 with on the right side of middle-temperature section 4 on the left of high temperature section 6, the left side outlet place of middle-temperature section 4 is provided with magnetic valve 10; Described pipeline 5 comprises anti-corrosion layer 12 and pipeline body 13.
Concrete, described pipeline 5 is circular hollow structure, and the diameter of pipeline 5 is at least 6mm, described anti-corrosion layer 12 and pipeline body 13 compact siro spinning technology.
Concrete, on the left of described low-temperature zone 3, the import of import department's magnetic valve 10 is hot water inlet 8, and the outlet of middle-temperature section 4 left side outlet place magnetic valve 10 is cooling water outlet 9.
Concrete, the external 24V dc source of described magnetic valve 10.
Utility model works process:
In the course of the work, flue gas enters by the left of device a kind of MGGH smoke reutilizer of the utility model, and right side is flowed out, and in this process, flue gas flows through low-temperature zone 3, middle-temperature section 4, high temperature section 6 successively, and flue gas obtains heat through heat exchange, becomes high-temperature flue gas.Hot water enters from the import hot water import 8 of left side import department magnetic valve 10, successively through high temperature section 6, middle-temperature section 4, finally flows out from the outlet of middle-temperature section 4 left side outlet magnetic valve 10 and cooling water outlet 9.Magnetic valve 10 is all installed, with coutroi velocity in the left side import of low-temperature zone 3 and exit.When hot water flows out, because exchange heat is to flue gas, hot water becomes cold water.
The flue gas containing the material such as droplet in bulk and gypsum after desulfurizing tower exports out, due to the existence of anti-corrosion layer 12, can avoid in low-temperature zone generation cold end corrosion.Described anti-corrosion layer 12 can be enamel, as high temperature after pipeline body 13 application of slip is burnt till enamel pipe.
Secondly the utility model, flows through low-temperature zone, high temperature section successively by hot water, flows through middle-temperature section from high temperature section, and the mode finally flowed out from middle-temperature section and flue gas carry out heat exchange, thus provide the heat utilization rate of hot water.In addition, by increasing anti-corrosion layer outside pipe, to prevent cold end corrosion.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.
Claims (4)
1. a MGGH smoke reutilizer, is characterized in that: comprise gas approach (1), device case (2), low-temperature zone (3), middle-temperature section (4), high temperature section (6), exhanst gas outlet (7), magnetic valve (10) and tube connector (11), described gas approach (1) is positioned at device case (2) left side, and exhanst gas outlet (7) is positioned at device case (2) right side, low-temperature zone (3) is disposed with from left to right in described device case (2), middle-temperature section (4), high temperature section (6), low-temperature zone (3), middle-temperature section (4), high temperature section (6) forms by some pipelines (5), the left side import department of low-temperature zone (3) is provided with magnetic valve (10), the right side of low-temperature zone (3) is connected by tube connector (11) with high temperature section (6) import, high temperature section (6) left side is connected by tube connector (11) with middle-temperature section (4) right side, the left side outlet place of middle-temperature section (4) is provided with magnetic valve (10), described pipeline (5) comprises anti-corrosion layer (12) and pipeline body (13).
2. a kind of MGGH smoke reutilizer as claimed in claim 1, it is characterized in that: described pipeline (5) is circular hollow structure, the diameter of pipeline (5) is at least 6mm, described anti-corrosion layer (12) and pipeline body (13) compact siro spinning technology.
3. a kind of MGGH smoke reutilizer as claimed in claim 1, it is characterized in that: the import of described low-temperature zone (3) left side import department's magnetic valve (10) is hot water inlet (8), and the outlet at middle-temperature section (4) left side outlet place magnetic valve (10) is cooling water outlet (9).
4. a kind of MGGH smoke reutilizer as claimed in claim 1, is characterized in that: the external 24V dc source of described magnetic valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108253.7U CN205208605U (en) | 2015-12-27 | 2015-12-27 | MGGH flue gas reheat machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108253.7U CN205208605U (en) | 2015-12-27 | 2015-12-27 | MGGH flue gas reheat machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205208605U true CN205208605U (en) | 2016-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521108253.7U Expired - Fee Related CN205208605U (en) | 2015-12-27 | 2015-12-27 | MGGH flue gas reheat machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205208605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990305A (en) * | 2019-03-19 | 2019-07-09 | 华电电力科学研究院有限公司 | A kind of coal-burning power plant's white plume cancellation element and working method |
-
2015
- 2015-12-27 CN CN201521108253.7U patent/CN205208605U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990305A (en) * | 2019-03-19 | 2019-07-09 | 华电电力科学研究院有限公司 | A kind of coal-burning power plant's white plume cancellation element and working method |
| CN109990305B (en) * | 2019-03-19 | 2023-09-15 | 华电电力科学研究院有限公司 | White smoke plume eliminating device for coal-fired power plant and working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20191227 |