CN108488823A - A kind of novel mixed boiler waste heat recovery system - Google Patents
A kind of novel mixed boiler waste heat recovery system Download PDFInfo
- Publication number
- CN108488823A CN108488823A CN201810204672.2A CN201810204672A CN108488823A CN 108488823 A CN108488823 A CN 108488823A CN 201810204672 A CN201810204672 A CN 201810204672A CN 108488823 A CN108488823 A CN 108488823A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- pipe
- spray chamber
- flue gas
- spray
- Prior art date
Links
- 239000002918 waste heat Substances 0.000 title claims abstract description 17
- 239000007921 sprays Substances 0.000 claims abstract description 34
- 239000007789 gases Substances 0.000 claims abstract description 14
- 239000011901 water Substances 0.000 claims description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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[O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 23
- 239000003546 flue gases Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000010521 absorption reactions Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 2
- 238000005516 engineering processes Methods 0.000 description 2
- 239000000463 materials Substances 0.000 description 2
- 239000000126 substances Substances 0.000 description 2
- 239000002699 waste materials Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbents Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagrams Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reactions Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
Description
Technical field
The present invention relates to boiler afterheat recovery technologies, belong to heat recovery technology field.
Background technology
At present in terms of boiler afterheat recycling, heat recovery heat exchanger mostly uses greatly level-one reclaimer, predominantly directly Contact heat exchanger and indirect contact heat exchanger.But the fact is that using level-one recycling heat exchanger, often effect is less desirable, Amount of heat in flue gas cannot be recycled effectively, caused a large amount of waste heats to be lost to air aerial, not only caused serious ring Border is polluted, and global air temperature warming process has been aggravated, and even more because amount of heat cannot be recycled effectively, wastes a performance Source.Besides traditional waste heat recovery apparatus structure is complex, especially in traditional multistage reclaimer in cooling water outlet It is increasingly complex to locate structure, for the problem present on, the present invention proposes a kind of new pipe heat exchanger and fountain heat exchange The heat exchanger that device mixes, to be classified the heat in recovered flue gas jointly.Heat that can effectively in recovered flue gas.
It is existing to solve the technical problem to be solved in the present invention is to provide a kind of novel mixed boiler waste heat recovery system It is existing that insufficient and complicated problem is recycled to flue gas heat.The device is exchanged heat by pipe heat exchanger and fountain Device is connected, and by the way of two-stage cooling, can not only effectively be realized the reduction of exhaust gas temperature, be improved the waste heat recovery of boiler Efficiency, moreover it is possible to improve the utilization rate of the energy, the ultimate purpose of environmental protection energy saving to reach.
Invention content
In order to achieve the above objectives, the present invention is achieved by the following scheme.
A kind of novel mixed formula boiler waste heat recovery system, which is characterized in that including：Pipe heat exchanger and pipe heat exchanger The spray chamber connected by flue, the pipe heat exchanger upper left quarter are equipped with gas inlet, flue gas are equipped on the right side of the spray chamber Outlet, spray chamber top are equipped with nozzle, and the pipe heat exchanger outlet pipe and spray chamber outlet pipe converge at one, recovered heat Cold water after amount flows into boiler again.
As with improvement, bottom is designed in sloping inwardly in the spray chamber of the spray-type heat exchanger, in order to spray chamber Interior water can preferably flow into spray-type heat exchanger outlet pipe.
As with improvement, exhaust gases passes are equipped between the pipe heat exchanger and spray-type heat exchanger, in order to from flue gas Spray chamber is led directly to after pipe heat exchanger, by the heat in two-stage blended absorbent flue gas.
As with improvement, a kind of novel mixed boiler waste heat recovery system, flue gas first passes through pipe heat exchanger, so Water direct contact heat-exchanging under directly being sprayed afterwards with nozzle using spray chamber, the purpose for first passing through pipe heat exchanger be prevent through Smoke moisture increases after crossing spray-type heat exchanger, reduces the extent of corrosion to pipe heat exchanger material.
As with improvement, the spray-type heat exchanger exhanst gas outlet is equipped with air-introduced machine, in order to which flue gas can be unobstructed The entire heat-exchanger rig of circulation.
As with improvement, the water outlet of lower left quarter connects the water outlet of pipe heat exchanger in the spray-type heat exchanger spray chamber Check valve is equipped at mouthful.Only allow to spray in indoor water inflow main pipeline, prevents aqueous reflux from returning spray chamber.
Compared with prior art, the available effect of the present invention is：
The present invention recycles the heat in flue gas using pipe heat exchanger and spray-type heat exchanger two-stage heat exchanger, can be effective The temperature for reducing flue gas partially absorbs the harmful substance in flue gas especially by spray chamber, can effectively reduce cigarette The concentration of harmful substance, not only saves energy in gas, also protects environment, and to energy shortage now, environmental pollution is increasingly tight Play the role of again great.Outlet pipe by spraying indoor outlet pipe and pipe heat exchanger converges to the design at one, Internal structure is greatly simplified, material and cost have been saved.
Description of the drawings
Explanation and specific embodiment are described in further details the present invention below in conjunction with the accompanying drawings
Fig. 1 is a kind of novel mixed system structure diagram of invention；
6 exhanst gas outlet 7 of channel 4 nozzle, 5 spray chamber of 1 gas inlet, 2 pipe heat exchanger, 3 pipe heat exchanger and spray chamber 10 total outlet pipe of spray chamber outlet pipe 8 pipe heat exchanger outlet pipe, 9 check valve, 11 pipe heat exchanger water inlet pipe.
Specific implementation mode
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will It will be appreciated that the following example is only limitted to patent of the present invention, and it is not construed as the scope of the present invention.
Referring to Fig.1, a kind of novel mixed boiler waste heat recovery system provided by the invention, which is characterized in that including：Pipe Formula heat exchanger 2, the spray chamber 5 being connect by flue 3 with pipe heat exchanger, the pipe heat exchanger upper left quarter are equipped with gas inlet 1, the spray chamber right side is equipped with exhanst gas outlet 6, and nozzle 4 is equipped at the top of spray chamber, and the pipe heat exchanger is equipped with water inlet pipe 11 The pipe heat exchanger outlet pipe 8 and spray chamber outlet pipe 8 converge at one, and being equipped in meet only allows water from spray chamber stream To the check valve 9 of total outlet pipe 10, the water after hybrid waste-heat recovery device flows into boiler.
Flue gas enters a kind of novel mixed boiler waste heat recovery system from gas inlet 1 in the embodiment above, initially enters Pipe heat exchanger 2, flue gas enter spray chamber 5 through the channel 3 of pipe heat exchanger and spray chamber, most afterwards should through the outflow of exhanst gas outlet 6 Device.A part of cold water enters pipe type heat transfer through pipe heat exchanger water inlet pipe 11 while flue gas constantly flows through the heat-exchanger rig Device 2 has obtained the partial heat in flue gas by pipe heat exchanger cold water, is most discharged afterwards through pipe heat exchanger outlet pipe 8, one Cold water is divided to be sprayed onto in spray chamber 5 through nozzle 4, cold water passes through is in direct contact acquisition heat with the flue gas in spray chamber, then passes through Spray chamber outlet pipe 7 is converged by check valve 9 and the water from pipe heat exchanger, most flows to boiler through total outlet pipe 10 afterwards.
Although the present invention is with a general description of the specific embodiments described in detail the present invention, at this On the basis of invention, it can be modified and improve, this is apparent to one skilled in the art.Therefore, not On the basis of deviateing spirit of that invention, the modification and improvement carried out belong to the scope of protection of present invention.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204672.2A CN108488823A (en) | 2018-03-13 | 2018-03-13 | A kind of novel mixed boiler waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204672.2A CN108488823A (en) | 2018-03-13 | 2018-03-13 | A kind of novel mixed boiler waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488823A true CN108488823A (en) | 2018-09-04 |
Family
ID=63338709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810204672.2A CN108488823A (en) | 2018-03-13 | 2018-03-13 | A kind of novel mixed boiler waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488823A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966420A (en) * | 2010-10-22 | 2011-02-09 | 无锡翱翔环保机械有限公司 | High-efficiency energy-saving desulphurization deduster |
| CN105020732A (en) * | 2015-08-12 | 2015-11-04 | 黑龙江天一农业科技开发有限公司 | Device for treating and recycling exhaust gas of boiler |
| CN205199205U (en) * | 2015-11-15 | 2016-05-04 | 黄菊兰 | Fountain dust remover |
| CN106403657A (en) * | 2016-10-20 | 2017-02-15 | 合肥海宝节能科技有限公司 | Boiler waste heat recycling device |
| CN206660874U (en) * | 2017-03-03 | 2017-11-24 | 云南富滇环保科技有限公司 | A kind of efficient industrial waste gas treatment device |
-
2018
- 2018-03-13 CN CN201810204672.2A patent/CN108488823A/en not_active Application Discontinuation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966420A (en) * | 2010-10-22 | 2011-02-09 | 无锡翱翔环保机械有限公司 | High-efficiency energy-saving desulphurization deduster |
| CN105020732A (en) * | 2015-08-12 | 2015-11-04 | 黑龙江天一农业科技开发有限公司 | Device for treating and recycling exhaust gas of boiler |
| CN205199205U (en) * | 2015-11-15 | 2016-05-04 | 黄菊兰 | Fountain dust remover |
| CN106403657A (en) * | 2016-10-20 | 2017-02-15 | 合肥海宝节能科技有限公司 | Boiler waste heat recycling device |
| CN206660874U (en) * | 2017-03-03 | 2017-11-24 | 云南富滇环保科技有限公司 | A kind of efficient industrial waste gas treatment device |
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Application publication date: 20180904 |