CN202709833U - Combined afterheat recovery heating device of loop heat pipe - Google Patents
Combined afterheat recovery heating device of loop heat pipe Download PDFInfo
- Publication number
- CN202709833U CN202709833U CN 201220457642 CN201220457642U CN202709833U CN 202709833 U CN202709833 U CN 202709833U CN 201220457642 CN201220457642 CN 201220457642 CN 201220457642 U CN201220457642 U CN 201220457642U CN 202709833 U CN202709833 U CN 202709833U
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- heat pipe
- pipe
- annular heat
- loop heat
- combined
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Abstract
The utility mode provides a combined afterheat recovery heating device of a loop heat pipe. The combined afterheat recovery heating device of the loop heat pipe utilizes smoke afterheat to pre-heat air and/or heat demineralized water, and comprises at least one group of combined afterheat recovery heaters of the loop heat pipe; each combined afterheat recovery heater of the loop heat pipe comprises a concentric dual-layer loop heat pipe, a partition plate, an upper collecting pipe, an upper header pipe, a lower header pipe, a lower collecting pipe and a suction core; the upper header pipe, the concentric dual-layer loop heat pipe and the lower header pipe are orderly connected; the concentric dual-layer loop heat pipe is arranged inside a heat exchanger; the partition plate partitions an inner hollow cavity of the heat exchanger into an air side air flue and a smoke side flue, so that the air and the smoke are not communicated; the upper header pipe is arranged inside the upper collecting pipe; the lower header pipe is arranged inside the lower collecting pipe; the concentric dual-layer loop heat pipe is divided into an inner pipe and an outer pipe, and the suction core is filled between the inner pipe and the outer pipe. According to the combined afterheat recovery heating device of the loop heat pipe, smoke afterheat can be effectively recovered; the problem of dew point corrosion of the heat pipe is avoided, and the combined afterheat recovery heating device of the loop heat pipe is reasonable in structure, low in cost and suitable for wide popularization.
Description
Technical field
The utility model relates to the waste heat recovery field, is specifically related to a kind of annular heat pipe combined type waste heat recovery heater, and it can utilize the preheating air by flue gas afterheat of discharging and/or heat demineralized water etc.
Background technology
In the prior art flue gas of discharging seldom adopted waste heat recovery apparatus, most of steam boilers are only joined air preheater or economizer, and traditional economizer and air preheater cause energy waste because its structure and material restriction efficient is not high, are not suitable for the requirement of current conservation-minded society.
Summary of the invention
In order to solve the problems referred to above of prior art, the utility model provides a kind of annular heat pipe combined type waste heat recovery heater, and it is a kind of flue gas heat recovery equipment, can utilize preheating air by flue gas afterheat and/or heating demineralized water etc.
The technical solution of the utility model is as follows:
A kind of annular heat pipe combined type waste heat recovery heater, comprise at least one group of annular heat pipe combined type waste heat recovery heater, described annular heat pipe combined type waste heat recovery heater further comprises: concentric bilayer annular heat pipe, dividing plate, upper header, upper union, lower union, lower collector pipe and liquid-sucking core, wherein
Described upper union, concentric bilayer annular heat pipe and lower union connect successively;
Described concentric bilayer annular heat pipe is arranged in the heat exchanger;
Described dividing plate is divided into air side air channel and fume side flue to the heat exchanger internal cavity, so that described air is not communicated with described flue gas;
Described upper union is positioned at described upper header, and described lower union is positioned at described lower collector pipe;
Described concentric bilayer annular heat pipe is divided into inner and outer tubes;
Described liquid-sucking core is arranged between the inner and outer tubes of described concentric bilayer annular heat pipe.
Preferably, the outer tube outside that is arranged in air side air channel and the fume side flue of described concentric bilayer annular heat pipe all is equiped with fin.
Preferably, described annular heat pipe combined type waste heat recovery heater is at least two groups, and each annular heat pipe combined type waste heat recovery heater is arranged in parallel.
Compared with prior art, the beneficial effects of the utility model are as follows:
First, the annular heat pipe combined type waste heat recovery heater that the utility model provides adopts high-performance heat transfer components-concentric bilayer annular heat pipe as basic heat exchange element, and all install the fin reinforcing heat exchange additional in fume side and air side, thereby greatly improved heat exchange efficiency;
The second, the utility model adopts annular heat pipe to do the biography heat exchange element, and the wall surface temperature of heating surface is controlled, has fundamentally avoided the dew point corrosion problem, has greatly improved this device bulk life time;
The 3rd, the utility model apparatus structure is reasonable, advanced technology, both independent preheated airs or heat separately demineralized water, also simultaneously preheated air and heating demineralized water.
Description of drawings
Fig. 1 is the structural representation of the annular heat pipe combined type waste heat recovery heater of the utility model embodiment 1;
Fig. 2 is the operation principle schematic diagram of the annular heat pipe combined type waste heat recovery heater of the utility model embodiment 1.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described further.
Embodiment 1
Referring to Fig. 1 and Fig. 2, the annular heat pipe combined type waste heat recovery heater of the present embodiment, comprise the annular heat pipe combined type waste heat recovery heater that many groups are arranged in parallel, such as five groups, wherein annular heat pipe combined type waste heat recovery heater further comprises: concentric bilayer annular heat pipe (1), dividing plate (2), lower union (3), upper union (4), upper header (5), lower collector pipe (6) and liquid-sucking core (7); Upper union (4), concentric bilayer annular heat pipe (1) and lower union (3) connect successively, and concentric bilayer annular heat pipe (1) is arranged in the heat exchanger; Dividing plate (2) is divided into air side air channel (8) and fume side flue (9) to the heat exchanger internal cavity, so that air is not communicated with flue gas; Upper union (4) is positioned at upper header (5), and lower union (3) is positioned at lower collector pipe (6); Concentric bilayer annular heat pipe (1) is divided into inner and outer tubes, and liquid-sucking core (7) is arranged between these inner and outer tubes; Be filled with working media between the inner and outer tubes of concentric bilayer annular heat pipe (1) and be evacuated.By liquid-sucking core (7) is set, the working media in the concentric bilayer annular heat pipe (1) can spread on the heat pipe inner wall more uniformly, accelerates the interior working media gasification of concentric bilayer annular heat pipe (1), improves heat conduction efficiency.
Specifically in the present embodiment, the outer tube Lower Half of concentric bilayer annular heat pipe (1) is exposed in the flue gas, and the first half is exposed in the air; And the outer tube outside that concentric bilayer annular heat pipe (1) is arranged in air side air channel and the fume side flue all is equiped with fin.
Referring to Fig. 1 and Fig. 2, when the annular heat pipe combined type waste heat recovery heater of the present embodiment is worked, high-temperature flue gas is by heat exchanger Lower Half fume side flue (9), the working media of filling in the heat transferred concentric bilayer annular heat pipe (1), this working media gasification heat absorption, and then the heat release by working media is the demineralized water in heat transferred concentric bilayer annular heat pipe (1) inner tube and the air in first half air side air channel (8); Cold demineralized water enters concentric bilayer annular heat pipe (1) inner tube by lower collector pipe (6) and lower union (3), elevate the temperature by the heat that absorbs the working media transmission, discharge by upper header (5) and upper union (4) afterwards, the passage that demineralized water is flowed through is designated as passage one (10); The side access arrangement of cold air by air side air channel (8) absorbs the heat that the working media in the concentric bilayer annular heat pipe (1) transmits and temperature raises, and discharges from opposite side.
In the present embodiment, the cold air that passes into and the amount of cold demineralized water can be carried out Automatic Balance Regulation by automatic valve.
Embodiment 2
The difference of the present embodiment and embodiment 1 is, this annular heat pipe combined type waste heat recovery heater comprises one group of annular heat pipe combined type waste heat recovery heater.
In sum, annular heat pipe combined type waste heat recovery heater of the present utility model fully and effectively utilized the waste heat of flue gas in the flue, reduced the waste of the energy, and the amount of heat that is preheated air can be regulated by the air capacity that control passes into, the heat that demineralized water absorbs also can be regulated by the intake of control demineralized water, and the adjusting of air and demineralized water can automatically adjust by the balance Control Scheme device; Annular heat pipe combined type waste heat recovery heater of the present utility model adopts high-performance heat transfer components-concentric bilayer annular heat pipe as basic heat exchange element, and all installs the fin reinforcing heat exchange additional in fume side and air side, has greatly improved heat exchange efficiency; Adopt annular heat pipe to do the biography heat exchange element, its heating surface wall surface temperature is controlled, has fundamentally avoided the dew point corrosion problem, has greatly improved the device bulk life time.
The utility model apparatus structure is reasonable, advanced technology, both independent preheated airs or heat separately demineralized water, also simultaneously preheated air and heating demineralized water.This apparatus structure is simple, with low cost, its overall heat exchange efficient can reach more than 35%, successful, convenient quality control can greatly lower energy and run off, be more suitable for large-scale production and commercial the application, the scope of application is wide, easily applies, and can have a tremendous social and economic benefits in the short period of time.
Disclosed herein only is the utility model preferred embodiment.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this utility model yet and only is the described specific embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain better principle of the present utility model and practical application, thereby makes one of ordinary skill in the art can utilize well the utility model.The utility model only is subjected to the restriction of claims and four corner and equivalent.
Claims (3)
1. annular heat pipe combined type waste heat recovery heater, it is characterized in that, comprise at least one group of annular heat pipe combined type waste heat recovery heater, described annular heat pipe combined type waste heat recovery heater further comprises: concentric bilayer annular heat pipe, dividing plate, upper header, upper union, lower union, lower collector pipe and liquid-sucking core, wherein
Described upper union, concentric bilayer annular heat pipe and lower union connect successively;
Described concentric bilayer annular heat pipe is arranged in the heat exchanger;
Described dividing plate is divided into air side air channel and fume side flue to the heat exchanger internal cavity, so that described air is not communicated with described flue gas;
Described upper union is positioned at described upper header, and described lower union is positioned at described lower collector pipe;
Described concentric bilayer annular heat pipe is divided into inner and outer tubes;
Described liquid-sucking core is arranged between the inner and outer tubes of described concentric bilayer annular heat pipe.
2. annular heat pipe combined type waste heat recovery heater as claimed in claim 1 is characterized in that, the outer tube outside that described concentric bilayer annular heat pipe is arranged in air side air channel and the fume side flue all is equiped with fin.
3. annular heat pipe combined type waste heat recovery heater as claimed in claim 1 is characterized in that, described annular heat pipe combined type waste heat recovery heater is at least two groups, and each annular heat pipe combined type waste heat recovery heater is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220457642 CN202709833U (en) | 2012-09-10 | 2012-09-10 | Combined afterheat recovery heating device of loop heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220457642 CN202709833U (en) | 2012-09-10 | 2012-09-10 | Combined afterheat recovery heating device of loop heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202709833U true CN202709833U (en) | 2013-01-30 |
Family
ID=47590124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220457642 Expired - Fee Related CN202709833U (en) | 2012-09-10 | 2012-09-10 | Combined afterheat recovery heating device of loop heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202709833U (en) |
-
2012
- 2012-09-10 CN CN 201220457642 patent/CN202709833U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20130130 Termination date: 20160910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |