CN207936820U - A kind of phase-change heat-exchanger system for low temperature exhaust gas recycling - Google Patents
A kind of phase-change heat-exchanger system for low temperature exhaust gas recycling Download PDFInfo
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- CN207936820U CN207936820U CN201820174773.5U CN201820174773U CN207936820U CN 207936820 U CN207936820 U CN 207936820U CN 201820174773 U CN201820174773 U CN 201820174773U CN 207936820 U CN207936820 U CN 207936820U
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- medium
- heat
- heat exchanger
- exhaust gas
- low temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses a kind of phase-change heat-exchanger systems for low temperature exhaust gas recycling, it is arranged on the channel that low temperature exhaust gas recycles, including decalescence heat exchanger, phase transformation heat release heat exchanger, automatically controls part, second medium suction line, second medium outlet line, by-pass line, bypass valve, wall temperature detection device, tedge and down-comer.When the utility model uses water as first medium, water is vaporized from saturated water to the saturated vapor stage, and the tube wall temperature of decalescence heat exchanger is constant, low temperature exhaust gas discharge temperature is constant, avoiding topical hypothermia leads to dew point corrosion, extends the service life of the utility model, improves economic benefit；It is at low cost, the replacement cycle is short, repair and replacement are convenient in modular organization；Operational safety is stablized；It is energy saving suitable for the recycling of the devices tail portion low-temperature flue gas waste heats such as boiler, waste heat boiler, recycling oil refining, chemical industry or metallurgy.
Description
Technical field
The utility model belongs to tail gas recycle field devices, more particularly to a kind of phase-change heat-exchange for low temperature exhaust gas recycling
Device system.
Background technology
In order to improve the economic benefit of the devices such as boiler, waste heat boiler, recycling oil refining, chemical industry or metallurgy, in device tail portion
The standing equipment for having Mist heat recovering.Device flue gas contains the substances such as higher sulphur, dust, easily occurs in low-temperature zone heated
Face corrosion leakage, pipe explosion accident, influence device operation.
Such recovered flue gas equipment it is traditional have low-level (stack-gas) economizer, plate heat exchanger, tubular type（Heat pipe）Heat exchanger and hydro-thermal
Matchmaker's air preheater, but these the drawbacks of there are various aspects, such as cost height, short life, installation period length etc..
Utility model content
The technical problem to be solved by the utility model is to middle low-temperature corrosion for the above-mentioned prior art, cost height, longevity
Order the deficiencies of short, installation period is long, provide it is a kind of avoid low-temperature corrosion, low cost, long lifespan, installation period it is short be used for low temperature
The phase-change heat-exchanger system of tail gas recycle.
In order to solve the above technical problems, the utility model adopts the following technical solution：
A kind of phase-change heat-exchanger system for low temperature exhaust gas recycling is arranged on the channel that low temperature exhaust gas recycles, including
Decalescence heat exchanger, phase transformation heat release heat exchanger automatically control part, second medium suction line and second medium outlet
Line.
The decalescence heat exchanger is arranged on the channel that low temperature exhaust gas recycles.The phase transformation heat release heat exchanger setting exists
The top of the decalescence heat exchanger.
The decalescence heat exchanger includes that smoke inlet, exhanst gas outlet, the outlet of heat absorption first medium and heat absorption first are situated between
Matter entrance.The phase transformation heat release heat exchanger include heat release first medium entrance, heat release first medium outlet, second medium entrance and
Second medium exports.
The heat absorption first medium outlet is connected by tedge with the heat release first medium entrance.The heat release first
Media outlet is connected by down-comer with the heat absorption first medium entrance.The second medium entrance enters with the second medium
Mouth pipeline is connected.The second medium outlet is connected with the second medium outlet line.
By-pass line is equipped between the second medium suction line and second medium outlet line.On the by-pass line
Equipped with bypass valve.The decalescence heat exchanger is equipped with wall temperature detection device.It is described automatically control part respectively with institute
Wall temperature detection device is stated with bypass valve to be connected.
The wall temperature detection device is temperature sensor in one of the embodiments,.
The phase-change heat-exchanger system of the low temperature exhaust gas recycling is in modular organization in one of the embodiments,.
The advantages of the utility model and advantageous effect：
1, the utility model includes decalescence heat exchanger, phase transformation heat release heat exchanger and bypass valve, is used water as
First is situated between
When matter, water is vaporized from saturated water to the saturated vapor stage, and the tube wall temperature of decalescence heat exchanger is constant, low temperature tail
Gas discharge temperature is constant, and avoiding topical hypothermia leads to dew point corrosion, extends the service life of the utility model, improve through
Ji benefit.
2, the utility model is in integrally modular organization, and installation period is short, and repair and replacement are convenient, and low cost.
3, the utility model operational safety is stablized.
4, the utility model is suitable for the devices tail portion low-temperature flue gas such as boiler, waste heat boiler, recycling oil refining, chemical industry or metallurgy
The recycling of waste heat, it is energy saving.
Description of the drawings
Fig. 1 is the work flow diagram of the utility model.
Fig. 2 is the part-structure schematic diagram of the utility model.
Specific implementation mode
The utility model is comprehensively described below with reference to relevant drawings for the ease of understanding the utility model,.
The preferred embodiment of the utility model is given in attached drawing.But the utility model can be embodied in many different forms, and
It is not limited to embodiment described herein.Make in the disclosure to the utility model on the contrary, purpose of providing these embodiments is
Hold more thorough and comprehensive.
It should be noted that when element is referred to as " being arranged " in another element, it can be directly in another element
Above or there may also be elements placed in the middle.When an element be considered as with another element " being connected ", it can be direct
It is connected to another element, or may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms practical this paper are led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Embodiment 1
It please refers to Fig.1 and Fig. 2, a kind of phase-change heat-exchanger system for low temperature exhaust gas recycling, setting is returned in low temperature exhaust gas
On the channel of receipts, including decalescence heat exchanger 1, phase transformation heat release heat exchanger 3, automatically control part 5, second medium suction line
91, second medium outlet line 93, by-pass line 9, bypass valve 7, wall temperature detection device, tedge 95, down-comer 97.
Specifically, decalescence heat exchanger 1 is arranged on the channel that low temperature exhaust gas recycles.Phase transformation heat release heat exchanger 3 is arranged
In the top of decalescence heat exchanger 1.
Wherein, decalescence heat exchanger 1 includes smoke inlet 11, exhanst gas outlet 13, heat absorption first medium outlet 15 and inhales
Hot first medium entrance 17.
Wherein, phase transformation heat release heat exchanger includes heat release first medium entrance 31, heat release first medium outlet 33, second medium
Entrance 35 and second medium outlet 37.
Specifically, heat absorption first medium outlet 15 is connected by tedge 95 with heat release first medium entrance 31.Heat release
One media outlet 33 is connected by down-comer 97 with heat absorption first medium entrance 17.Second medium entrance 35 and second medium entrance
Pipeline 91 is connected.Second medium outlet 37 is connected with second medium outlet line 93.
Specifically, being equipped with by-pass line 9 between second medium suction line 91 and second medium outlet line 93.Shunt valve
Line 9 is equipped with bypass valve 7.Decalescence heat exchanger 1 is equipped with wall temperature detection device.Automatically control part 5 respectively with wall
Warm detection device is connected with bypass valve 7.
Wherein, wall temperature detection device is temperature sensor.The utility model is in modular organization.
The operation principle and its course of work of the utility model：
The temperature data that the utility model is obtained according to wall temperature detection device measurement is by automatically controlling the control bypass of part 5
Regulating valve 7 controls the heat absorption of phase transformation heat release heat exchanger 3 to adjust into the flow of the second medium in phase transformation heat release heat exchanger 3
Amount.If the temperature data that wall temperature detection device measurement obtains is high, just bypass valve 7 is adjusted by automatically controlling part 5
Increase the flow into the second medium in phase transformation heat release heat exchanger 3, to improving the caloric receptivity of phase transformation heat release heat exchanger 3,
Achieve the purpose that reduce by 1 tube wall temperature of decalescence heat exchanger, so that 1 tube wall temperature of decalescence heat exchanger keeps permanent
It is fixed.If the temperature data that same wall temperature detection device measurement obtains is low, just bypass adjusting is adjusted by automatically controlling part 5
Valve 7 reduces the flow into the second medium in phase transformation heat release heat exchanger 3, to reducing the heat absorption of phase transformation heat release heat exchanger 3
Amount achievees the purpose that increase 1 tube wall temperature of decalescence heat exchanger, so that 1 tube wall temperature of decalescence heat exchanger is kept
It is constant.Automatically control the switching value control of the wall temperature detection device and bypass valve 7 on 5 chain decalescence heat exchanger 1 of part
System.
The advantages of the utility model and advantageous effect：
1, the utility model includes decalescence heat exchanger 1, phase transformation heat release heat exchanger 3 and bypass valve 7, is made using water
For
When first medium, water is vaporized from saturated water to the saturated vapor stage, and the tube wall temperature of decalescence heat exchanger 1 is permanent
Fixed, low temperature exhaust gas discharge temperature is constant, and avoiding topical hypothermia leads to dew point corrosion, and extend the utility model uses the longevity
Life, improves economic benefit.
2, the utility model is in integrally modular organization, and installation period is short, and repair and replacement are convenient, and low cost.
3, the utility model operational safety is stablized.
4, the utility model is suitable for the devices tail portion low-temperature flue gas such as boiler, waste heat boiler, recycling oil refining, chemical industry or metallurgy
The recycling of waste heat, it is energy saving.
A kind of embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (3)
1. a kind of phase-change heat-exchanger system for low temperature exhaust gas recycling is arranged on the channel that low temperature exhaust gas recycles, feature
In, including decalescence heat exchanger, phase transformation heat release heat exchanger, automatically control part, second medium suction line and second
Media outlet pipeline, the decalescence heat exchanger are arranged on the channel that low temperature exhaust gas recycles, the phase transformation heat release heat exchanger
It is arranged in the top of the decalescence heat exchanger；
The decalescence heat exchanger includes that smoke inlet, exhanst gas outlet, the outlet of heat absorption first medium and heat absorption first medium enter
Mouthful；The phase transformation heat release heat exchanger includes heat release first medium entrance, the outlet of heat release first medium, second medium entrance and second
Media outlet；
The heat absorption first medium outlet is connected by tedge with the heat release first medium entrance, the heat release first medium
Go out
Mouth is connected by down-comer with the heat absorption first medium entrance, the second medium entrance and the second medium entrance
Pipeline is connected, and second medium outlet is connected with the second medium outlet line, the second medium suction line and the
By-pass line is equipped between second medium outlet line, the by-pass line is equipped with bypass valve, the decalescence heat exchange
Device is equipped with wall temperature detection device, and the part that automatically controls is connected with the wall temperature detection device and bypass valve respectively.
2. the phase-change heat-exchanger system according to claim 1 for low temperature exhaust gas recycling, which is characterized in that the wall temperature
Detection device is temperature sensor.
3. the phase-change heat-exchanger system according to claim 1 for low temperature exhaust gas recycling, which is characterized in that the low temperature
The phase-change heat-exchanger system of tail gas recycle is in modular organization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174773.5U CN207936820U (en) | 2018-02-01 | 2018-02-01 | A kind of phase-change heat-exchanger system for low temperature exhaust gas recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174773.5U CN207936820U (en) | 2018-02-01 | 2018-02-01 | A kind of phase-change heat-exchanger system for low temperature exhaust gas recycling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207936820U true CN207936820U (en) | 2018-10-02 |
Family
ID=63651003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820174773.5U Active CN207936820U (en) | 2018-02-01 | 2018-02-01 | A kind of phase-change heat-exchanger system for low temperature exhaust gas recycling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207936820U (en) |
-
2018
- 2018-02-01 CN CN201820174773.5U patent/CN207936820U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A phase change heat exchanger system for low temperature tail gas recovery Effective date of registration: 20220329 Granted publication date: 20181002 Pledgee: Agricultural Bank of China Limited Yueyang dongmaoling sub branch Pledgor: YUEYANG MAPOWER THERMPROCESS & ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980003302 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230425 Granted publication date: 20181002 Pledgee: Agricultural Bank of China Limited Yueyang dongmaoling sub branch Pledgor: You Shuhuai|YUEYANG MAPOWER THERMPROCESS & ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980003302 |