CN205299476U - Low temperature waste heat from flue gas recovery system - Google Patents
Low temperature waste heat from flue gas recovery system Download PDFInfo
- Publication number
- CN205299476U CN205299476U CN201520913012.3U CN201520913012U CN205299476U CN 205299476 U CN205299476 U CN 205299476U CN 201520913012 U CN201520913012 U CN 201520913012U CN 205299476 U CN205299476 U CN 205299476U
- Authority
- CN
- China
- Prior art keywords
- thermal
- arrest tower
- liquid
- flue gas
- fluid reservoir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model discloses a low temperature waste heat from flue gas recovery system includes: thermal -arrest tower, liquid storage pot, recycle liquid pump and liquid heat exchanger, the low temperature flue gas gets into the thermal -arrest tower to with in the thermal -arrest tower in the middle of the shower nozzle spun liquid drop direct contact of fluid carry out the heat transfer, the low temperature flue gas carries out discharge thermal -arrest tower after the heat exchange, the liquid drop gathering is the fluid in the middle of thermal -arrest tower bottom forms, the thermal -arrest tower is connected to the liquid storage pot, sets up filtering medium in the liquid storage pot, and the middle fluid of thermal -arrest tower bottom gets into the liquid storage pot to dust particle in the middle of getting rid of through filtering medium in the fluid, liquid storage pot and liquid heat exchanger are connected respectively to the recycle liquid pump, and the recycle liquid pump passes through liquid storage pot pump sending to liquid heat exchanger with the middle fluid of thermal -arrest tower bottom, liquid heat exchanger connects the recycle liquid pump, receives the middle fluid of thermal -arrest tower bottom to carry out the heat exchange between the liquid in liquid heat exchanger, middle fluid passing through liquids heat exchanger under the effect of recycle liquid pump pressure head flows to the shower nozzle of thermal -arrest tower in.
Description
Technical field
This utility model relates to energy-conserving and emission-cutting technology field, particularly relates to a kind of low-temperature flue gas waste heat recovery system.
Background technology
The fields such as oil, chemical industry and life heating widely use Industrial Boiler, and the low-temperature flue gas of a large amount of 120��140 DEG C directly discharges. Only the taste of pipe low-temperature flue gas waste heat is relatively low, but its total amount is relatively big, has good energy-saving potential. And along with the aggravation of environmental pollution and energy scarcity problem, country advocates energy-saving and emission-reduction energetically. Under this overall background, how the low-temperature flue gas waste heat produced in production process is utilized by each enterprise is paid attention to further.
Existing low-temperature flue gas waste heat utilizes technology ubiquity problems with:
1. heat recovery rate is low to utilize obvious heat of smoke to cause.
2. the flying dust contained by ignoring in flue gas causes blockage problem.
Therefore, need a kind of efficient, stable low-temperature flue gas waste heat recovery system of exploitation badly, fundamentally solve that the response rate is low, blocking, problem that reliability is low, and then improve the effective rate of utilization of the energy and reduce the discharge of pollutant.
Utility model content
The purpose of this utility model is in that to provide a kind of low-temperature flue gas waste heat recovery system to overcome the above-mentioned problems in the prior art.
For achieving the above object, this utility model provides a kind of low-temperature flue gas waste heat recovery system to include: thermal-arrest tower, fluid reservoir, recycle liquid pump and liquid heat exchanger;
Thermal-arrest tower, low-temperature flue gas enters described thermal-arrest tower, and directly contact with the drop of central fluid of shower nozzle ejection in described thermal-arrest tower and to carry out heat exchange, described low-temperature flue gas discharges described thermal-arrest tower after carrying out heat exchange, described drop is gathered in described thermal-arrest tower bottom and forms described central fluid;
Fluid reservoir, described fluid reservoir connects described thermal-arrest tower, arranges filter medium in described fluid reservoir, and the central fluid of described thermal-arrest tower bottom enters described fluid reservoir, and removes the dust granules in described central fluid by described filter medium;
Recycle liquid pump, described recycle liquid pump connects described fluid reservoir and liquid heat exchanger respectively, and the central fluid of described thermal-arrest tower bottom is pumped to described liquid heat exchanger by described fluid reservoir by described recycle liquid pump;
Liquid heat exchanger, described liquid heat exchanger connects described recycle liquid pump, for receiving the central fluid through the described thermal-arrest tower bottom filtered, and in described liquid heat exchanger, carrying out the heat exchange between liquid, described central fluid is flow to by described liquid heat exchanger in the shower nozzle of described thermal-arrest tower under the effect of described recycle liquid pump pressure head.
Preferably, including: demister in described thermal-arrest tower, described demister is arranged on the top of described thermal-arrest tower, carries out the drop in the described low-temperature flue gas after heat exchange for removing with the drop of described central fluid.
Preferably, also include in described thermal-arrest tower: multistage sieve plate without overflow, described multistage sieve plate without overflow is arranged in described thermal-arrest tower the lower section of shower nozzle, and when being used for improving heat exchange efficiency and described low-temperature flue gas by described multistage sieve plate without overflow, air-flow is uniform, is not easily blocked.
Preferably, the quantity of described fluid reservoir is two, said two fluid reservoir respectively the first fluid reservoir and the second fluid reservoir, described first fluid reservoir connects described thermal-arrest tower by the second valve and connects described recycle liquid pump by the 4th valve, and described second fluid reservoir connects described thermal-arrest tower by the first valve and connects described recycle liquid pump by the 3rd valve, for changing the described filter medium cleaned in described fluid reservoir.
Preferably, described thermal-arrest tower also includes: inlet and liquid outlet, described inlet and liquid outlet are separately positioned on the bottom of described thermal-arrest tower, described inlet is arranged on the top of described liquid outlet, the replenisher of described central fluid enters the bottom of described thermal-arrest tower by described inlet, and the discharge liquid of described central fluid flows out described thermal-arrest tower by described liquid outlet.
This utility model provides a kind of low-temperature flue gas waste heat recovery system, exhaust gas temperature can be down to 60 DEG C from 120 DEG C��140 DEG C by low-temperature flue gas waste heat recovery system of the present utility model, boiler efficiency can improve about 3%, save fuel fundamentally solve that the response rate is low, blocking and the low problem of reliability, and then improve the effective rate of utilization of the energy and decrease the discharge of pollutant.
Accompanying drawing explanation
Fig. 1 is based on the structural representation of low-temperature flue gas waste heat recovery system.
Detailed description of the invention
For the purpose making this utility model implement, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is further described in more detail. In the accompanying drawings, same or similar label represents same or similar element or has the element of same or like function from start to finish. Described embodiment is a part of embodiment of this utility model, rather than whole embodiments. The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection. Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that restriction to this utility model protection domain.
In this utility model one broad embodiment: this utility model provides a kind of low-temperature flue gas waste heat recovery system, including: thermal-arrest tower, fluid reservoir, recycle liquid pump and liquid heat exchanger; Low-temperature flue gas enters described thermal-arrest tower, and directly contact with the drop of central fluid of shower nozzle ejection in described thermal-arrest tower and to carry out heat exchange, described low-temperature flue gas discharges described thermal-arrest tower after carrying out heat exchange, described drop is gathered in described thermal-arrest tower bottom and forms described central fluid; Described fluid reservoir connects described thermal-arrest tower, arranges filter medium in described fluid reservoir, and the central fluid of described thermal-arrest tower bottom enters described fluid reservoir, and removes the dust granules in described central fluid by described filter medium; Described recycle liquid pump connects described fluid reservoir and liquid heat exchanger respectively, and the central fluid of described thermal-arrest tower bottom is pumped to described liquid heat exchanger by described fluid reservoir by described recycle liquid pump; Described liquid heat exchanger connects described recycle liquid pump, for receiving the central fluid through the described thermal-arrest tower bottom filtered, and in described liquid heat exchanger, carrying out the heat exchange between liquid, described central fluid is flow to by described liquid heat exchanger in the shower nozzle of described thermal-arrest tower under the effect of described recycle liquid pump pressure head.
As it is shown in figure 1, described low-temperature flue gas waste heat recovery system includes: thermal-arrest tower the 1, first fluid reservoir the 2, second fluid reservoir 5, recycle liquid pump 3, liquid heat exchanger 4, filter medium 6, corrugated plating demister 7, shower nozzle 8, porous sieve plate 9, inlet 10, liquid outlet the 11, first valve the 12, second valve the 13, the 3rd valve the 14, the 4th valve 15.
Low-temperature flue gas enters described thermal-arrest 1 tower, and directly contact with the drop of central fluid of shower nozzle ejection in described thermal-arrest tower 1 and to carry out heat exchange, described low-temperature flue gas discharges described thermal-arrest tower 1 after carrying out heat exchange, described drop is gathered in bottom described thermal-arrest tower 1 and forms described central fluid, described first fluid reservoir 2 and the second fluid reservoir 5 connect described thermal-arrest tower 1, in described first fluid reservoir 2 and the second fluid reservoir 5, filter medium 6 is set, central fluid bottom described thermal-arrest tower 1 enters described first fluid reservoir 2 and the second fluid reservoir 5, and removes the dust granules in described central fluid by described filter medium 6, described recycle liquid pump 3 connects described first fluid reservoir 2 respectively, second fluid reservoir 5 and liquid heat exchanger 4, central fluid bottom described thermal-arrest tower 1 is delivered in described liquid heat exchanger 4 by described fluid reservoir pump 3 by described recycle liquid pump 3, described liquid heat exchanger 4 connects described recycle liquid pump 3, for receiving the central fluid bottom the described thermal-arrest tower 1 through filtering, and carry out the heat exchange between liquid in described liquid heat exchanger 4, described central fluid is flow in the shower nozzle 8 of described thermal-arrest tower 1 by described liquid heat exchanger 4 under the effect of described recycle liquid pump 3 pressure head.
Include in described thermal-arrest tower 1: corrugated plating demister 7, described corrugated plating demister 7 is arranged on the top of described thermal-arrest tower 1, the drop in the described low-temperature flue gas after heat exchange is carried out with the drop of described central fluid, it is ensured that fume emission water content is lower than 75mg/m for removing3��
Described porous sieve plate 9 is arranged in described thermal-arrest tower 1 lower section of shower nozzle 8, for ensureing flue gas sufficiently exothermic, the sensible heat of energy and latent heat, improve heat exchange efficiency, arrange in thermal-arrest tower 1 that porous sieve plate 9 is to extend gas residence time and to increase gas liquid interfacial area, when described low-temperature flue gas is by described porous sieve plate 9, air-flow is uniform, is not easily blocked.
Described first fluid reservoir 2 connects described thermal-arrest tower 1 by the second valve 13 and connects described recycle liquid pump 3 by the 4th valve 15, and described second fluid reservoir 5 connects described thermal-arrest tower 1 by the first valve 12 and connects described recycle liquid pump 3 by the 3rd valve 14, for changing the filter medium 6 arranged in described first fluid reservoir 2 of cleaning and the second fluid reservoir 5.
Described inlet 10 and liquid outlet 11 are separately positioned on the bottom of described thermal-arrest tower 1, described inlet 10 is arranged on the top of described liquid outlet 11, the replenisher of described central fluid enters the bottom of described thermal-arrest tower 1 by described inlet 10, and the discharge liquid of described central fluid flows out described thermal-arrest tower 1 by described liquid outlet 11.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit. Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (5)
1. a low-temperature flue gas waste heat recovery system, it is characterised in that including: thermal-arrest tower, fluid reservoir, recycle liquid pump and liquid heat exchanger;
Thermal-arrest tower, low-temperature flue gas enters described thermal-arrest tower, and directly contact with the drop of central fluid of shower nozzle ejection in described thermal-arrest tower and to carry out heat exchange, described low-temperature flue gas discharges described thermal-arrest tower after carrying out heat exchange, described drop is gathered in described thermal-arrest tower bottom and forms described central fluid;
Fluid reservoir, described fluid reservoir connects described thermal-arrest tower, arranges filter medium in described fluid reservoir, and the central fluid of described thermal-arrest tower bottom enters described fluid reservoir, and removes the dust granules in described central fluid by described filter medium;
Recycle liquid pump, described recycle liquid pump connects described fluid reservoir and liquid heat exchanger respectively, and the central fluid of described thermal-arrest tower bottom is pumped to described liquid heat exchanger by described fluid reservoir by described recycle liquid pump;
Liquid heat exchanger, described liquid heat exchanger connects described recycle liquid pump, for receiving the central fluid through the described thermal-arrest tower bottom filtered, and in described liquid heat exchanger, carrying out the heat exchange between liquid, described central fluid is flow to by described liquid heat exchanger in the shower nozzle of described thermal-arrest tower under the effect of described recycle liquid pump pressure head.
2. low-temperature flue gas waste heat recovery system as claimed in claim 1, it is characterized in that: include in described thermal-arrest tower: demister, described demister is arranged on the top of described thermal-arrest tower, carries out the drop in the described low-temperature flue gas after heat exchange for removing with the drop of described central fluid.
3. low-temperature flue gas waste heat recovery system as claimed in claim 2, it is characterized in that: also include in described thermal-arrest tower: multistage sieve plate without overflow, described multistage sieve plate without overflow is arranged in described thermal-arrest tower the lower section of shower nozzle, during for improving heat exchange efficiency and described low-temperature flue gas by described multistage sieve plate without overflow, air-flow is uniform, is not easily blocked.
4. low-temperature flue gas waste heat recovery system as claimed in claim 1, it is characterized in that: the quantity of described fluid reservoir is two, said two fluid reservoir respectively the first fluid reservoir and the second fluid reservoir, described first fluid reservoir connects described thermal-arrest tower by the second valve and connects described recycle liquid pump by the 4th valve, and described second fluid reservoir connects described thermal-arrest tower by the first valve and connects described recycle liquid pump by the 3rd valve, for changing the described filter medium cleaned in described fluid reservoir.
5. low-temperature flue gas waste heat recovery system as claimed in claim 1, it is characterized in that: described thermal-arrest tower also includes: inlet and liquid outlet, described inlet and liquid outlet are separately positioned on the bottom of described thermal-arrest tower, described inlet is arranged on the top of described liquid outlet, the replenisher of described central fluid enters the bottom of described thermal-arrest tower by described inlet, and the discharge liquid of described central fluid flows out described thermal-arrest tower by described liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520913012.3U CN205299476U (en) | 2015-11-16 | 2015-11-16 | Low temperature waste heat from flue gas recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520913012.3U CN205299476U (en) | 2015-11-16 | 2015-11-16 | Low temperature waste heat from flue gas recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205299476U true CN205299476U (en) | 2016-06-08 |
Family
ID=56463762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520913012.3U Expired - Fee Related CN205299476U (en) | 2015-11-16 | 2015-11-16 | Low temperature waste heat from flue gas recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205299476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240826A (en) * | 2015-11-16 | 2016-01-13 | 江苏昌明环保科技有限公司 | Recovery system and method for low-temperature flue gas waste heat |
| CN114272704A (en) * | 2021-05-25 | 2022-04-05 | 广东管辅能源科技有限公司 | Heating furnace and flue gas treatment method |
-
2015
- 2015-11-16 CN CN201520913012.3U patent/CN205299476U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240826A (en) * | 2015-11-16 | 2016-01-13 | 江苏昌明环保科技有限公司 | Recovery system and method for low-temperature flue gas waste heat |
| CN114272704A (en) * | 2021-05-25 | 2022-04-05 | 广东管辅能源科技有限公司 | Heating furnace and flue gas treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105240826A (en) | Recovery system and method for low-temperature flue gas waste heat | |
| CN202315593U (en) | Gas filtering device | |
| CN207050270U (en) | A kind of sulfur removal technology residual neat recovering system | |
| CN205032022U (en) | Ash -laden gas condensation heat recovery and gas cleaning integration system | |
| CN101406804B (en) | Purification treatment device for flue tail gas of fuel oil cremator | |
| CN205299476U (en) | Low temperature waste heat from flue gas recovery system | |
| CN205347274U (en) | Ethylene glycol regenerating device | |
| CN111558294B (en) | Wet flue gas purification system and method with energy-saving function | |
| CN206037753U (en) | Cooling tower saturated steam recovery unit and use its water saving system | |
| CN203258666U (en) | Liquid drop recovery device of hanging type chimney | |
| CN202506306U (en) | Novel ammonia process desulfurization absorption device | |
| CN202122894U (en) | Efficient liquid-surface micro-division desulfurizing and dedusting device | |
| CN106197061B (en) | Cooling tower saturated vapor retracting device and apply its water-saving system | |
| CN206881527U (en) | A kind of purging system of tubular ultrafiltration membrane module | |
| CN210511716U (en) | Incinerator waste heat recovery device for treating chromium-containing waste | |
| CN204944228U (en) | A kind of condenser avoiding fixed gas to gather | |
| CN202747905U (en) | Wax removal device for fixed tube-sheet heat exchanger | |
| CN103557436B (en) | A kind of desulphurization denitration activated coke regeneration gas cooling device and delivery method | |
| CN209605204U (en) | Inlet air filtering device and boiler with same | |
| CN203736971U (en) | Novel amine liquid filter device | |
| CN206680316U (en) | A kind of oilfield sewage hydrogen sulphide disposal unit | |
| CN206444386U (en) | A kind of new demister system | |
| CN206715499U (en) | A kind of fume-dehydrating steam device | |
| CN104959006A (en) | Treatment tower for flue gas from boilers | |
| CN203549396U (en) | Cooling device for regeneration gas of desulfurization and denitrification active coke |
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: 20160608 Termination date: 20161116 |