CN112857090A - Steam-whitening water-saving device adopting distillation method - Google Patents
Steam-whitening water-saving device adopting distillation method Download PDFInfo
- Publication number
- CN112857090A CN112857090A CN202110133997.8A CN202110133997A CN112857090A CN 112857090 A CN112857090 A CN 112857090A CN 202110133997 A CN202110133997 A CN 202110133997A CN 112857090 A CN112857090 A CN 112857090A
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- Prior art keywords
- water
- heat exchanger
- whitening
- steam
- white
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- 238000004821 distillation Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 238000005192 partition Methods 0.000 claims abstract description 12
- 230000002087 whitening effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 6
- 239000000779 smoke Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 16
- 230000008030 elimination Effects 0.000 description 12
- 238000003379 elimination reaction Methods 0.000 description 12
- 239000011324 bead Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/16—Arrangements for preventing condensation, precipitation or mist formation, outside the cooler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F2025/005—Liquid collection; Liquid treatment; Liquid recirculation; Addition of make-up liquid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field, in particular to a distillation method steam de-whitening water-saving device which solves the defects in the prior art and comprises a shell, wherein a demisting wire mesh, a demisting partition plate, a de-whitening heat exchanger and a capillary heat exchange system are sequentially arranged in the shell from bottom to top; the capillary heat exchange system comprises a conical shed cover fixedly arranged at the top of the shell, a plurality of cooling tubes are arranged on the lower side of the shed cover and tightly attached to the inner wall of the shed cover at intervals in the circumferential direction, a plurality of air inlets facing different directions are formed in the cooling tubes, water collecting pipes communicated with the cooling tubes are arranged on the inner side of the lower edge of the shed cover, water guide pipes are communicated with the water collecting pipes, and the lower ends of the water guide pipes extend to a water collecting tray at the bottom of the cooling tower. The white heat transfer system that disappears adds the heat to wet flue gas and disappears white, and baffle, silk screen will be partly big water droplet interception, form countercurrent flow again with rising water smoke simultaneously for the condensation effect is better, and capillary heat transfer system condenses steam into water and sends back the cooling tower, plays the effect of water conservation.
Description
Technical Field
The invention relates to the technical field of energy conservation and emission reduction of cooling towers, in particular to a steam-whitening water-saving device adopting a distillation method.
Background
In steel enterprises and traditional enterprises, a cooling tower releases a large amount of atomized water vapor in the cooling process. The high-efficiency recycling of waste heat resources generated in the coking process flow is a main direction for establishing energy conservation of a green coke-oven plant with resource conservation and environmental friendliness, and is also one of main approaches for reducing the energy consumption of a coke oven.
When the mechanical ventilation cooling tower operates in low-temperature seasons, damp and hot air is discharged out of the tower and mixed with cold air, and a smoke plume phenomenon is formed due to the formation of a fog cluster containing a plurality of tiny liquid particle groups through cooling and condensation. In the process, after the wet air in the air state is directly subjected to heat exchange by spraying cooling water, the state of the wet air is gradually close to a saturated state, then the nearly saturated air coming out of the tower is directly contacted and mixed with the ambient air around the air duct, the mixing ratio curve falls outside the saturated air curve of the enthalpy-humidity diagram, shadow areas are saturated areas of the wet air, water vapor cannot exist stably, the water vapor is condensed, and as part of the water vapor is condensed into small water drops to be suspended in the air in the mixing process, visible smoke plume is formed. In view of this, a steam-whitening water-saving system is needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a steam-whitening water-saving device by a distillation method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a distillation method steam de-whitening water-saving device comprises a shell, wherein a demisting wire mesh, a demisting partition plate, a de-whitening heat exchanger and a capillary heat exchange system are sequentially arranged in the shell from bottom to top; the inlet of the white elimination heat exchanger is connected with a white elimination heat exchanger water inlet pipe, and the outlet of the white elimination heat exchanger is connected with a white elimination heat exchanger water outlet pipe; a flow guide port for discharging gas is arranged on the shell; the capillary heat exchange system comprises a conical shed cover fixedly arranged at the top of the shell, a plurality of cooling tubes are arranged on the lower side of the shed cover and tightly attached to the inner wall of the shed cover at intervals in the circumferential direction, a plurality of air inlets facing different directions are formed in the cooling tubes, water collecting pipes communicated with the cooling tubes are arranged on the inner side of the lower edge of the shed cover, water guide pipes are communicated with the water collecting pipes, and the lower ends of the water guide pipes extend to the bottom of the cooling tower.
Preferably, the inside of the shell is fixedly provided with a cylindrical baffle with openings at the upper end and the lower end, the defogging silk screen, the defogging partition plate and the white heat exchanger are all arranged inside the baffle, the bottom of the baffle is hermetically connected with the inner wall of the shell through a baffle connecting part, and the flow guide port is positioned at the upper side of the baffle connecting part.
Preferably, the demister wire mesh is a mesh having triangular or parallelogram mesh openings.
Preferably, a plurality of parallel parting beads are distributed on the demisting partition plate, the longitudinal section of each parting bead is in an inverted V shape, each parting bead is divided into an upper layer and a lower layer, a gap exists between every two adjacent parting beads in the same layer, and the parting beads on the upper layer and the parting beads on the lower layer are staggered.
Preferably, the white-light eliminating heat exchanger is a finned heat exchanger, and a water inlet regulating valve is arranged at a water inlet of the white-light eliminating heat exchanger.
The invention has the beneficial effects that:
1. the white heat exchange system can heat wet flue gas, calculates the heat exchange area according to the generated steam core, automatically adjusts the inlet water according to the temperature and the quantity of the evaporated steam by the inlet water adjusting valve, and heats water to enter the main water distribution pipeline after passing through the white heat exchanger by utilizing the upper tower hot water of the cooling tower so as to maintain the normal operation of the cooling tower.
2. By utilizing the cross-flow partition plates and the silk screen, a part of large water drops are intercepted and polymerized into larger water drops to fall, and meanwhile, the falling water drops and the rising water mist form countercurrent heat exchange, so that the whitening effect is better.
3. In the capillary heat exchange system, the lower side of the shed cover is provided with a row of tubes with holes on multiple sides, cold air on the upper part of the ceiling is utilized for natural cooling, and steam is further condensed into water and sent back to the cooling tower for recycling, thereby achieving the effect of saving water.
Drawings
FIG. 1 is a schematic structural diagram of a steam-whitening water-saving device by distillation method according to the present invention;
FIG. 2 is a schematic structural diagram of a steam-whitening water-saving device in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a top view of a mist elimination screen of a distillation steam-based water saving device according to the present invention;
FIG. 4 is a schematic diagram of a top view of a demisting partition plate of a distillation steam-whitening water-saving device according to the present invention;
FIG. 5 is a schematic view of the bottom view of the capillary heat exchange system of the distillation steam whitening water-saving device of the present invention.
In the figure: 1-shell, 2-demisting silk screen, 3-demisting partition board, 4-white heat exchanger, 5-capillary heat exchange system, 51-shed cover, 52-cooling tube array, 53-air inlet, 54-water collecting pipe, 55-water guiding pipe, 6-white heat exchanger water inlet pipe, 7-white heat exchanger water outlet pipe, 8-baffle, 9-fan and 10-flow guide port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a distillation method steam de-whitening water-saving device comprises a shell 1 fixedly arranged at the top of a cooling tower and communicated with the cooling tower, wherein a demisting wire mesh 2, a demisting partition plate 3, a de-whitening heat exchanger 4 and a capillary heat exchange system 5 are sequentially arranged in the shell 1 from bottom to top;
the inside of casing 1 sets firmly the tube-shape of both ends open-ended from top to bottom and separates and keep off 8, and defogging silk screen 2, defogging baffle 3, white heat exchanger 4 that disappears all set up in the inside that separates and keep off 8, and the bottom that separates and keep off 8 is through separating the inner wall sealing connection who keeps off connecting portion and casing 1, sets up the water conservancy diversion mouth 10 that is located and separates the connecting portion upside on casing 1.
Referring to fig. 3-4, the defogging silk screen 2 is a screen with triangular or parallelogram meshes, a plurality of parallel parting strips are distributed on the defogging partition plate 3, the longitudinal section of each parting strip is in an inverted V shape, each parting strip is divided into an upper layer and a lower layer, a gap is formed between every two adjacent parting strips in the same layer, and the parting strips on the upper layer and the parting strips on the lower layer are staggered;
the inlet of the white-eliminating heat exchanger 4 is connected with a white-eliminating heat exchanger water inlet pipe 6, the outlet of the white-eliminating heat exchanger 4 is connected with a white-eliminating heat exchanger water outlet pipe 7, the white-eliminating heat exchanger 4 is preferably a fin heat exchanger, the heat exchange area of the white-eliminating heat exchanger 4 is calculated according to steam generated by a cooling tower, a water inlet adjusting valve is arranged at the water inlet of the white-eliminating heat exchanger 4, water inlet can be automatically adjusted according to the temperature and the flow of evaporated steam, and the purpose of white elimination can be;
the hot water on the upper tower of the cooling tower is introduced into the white elimination heat exchanger 4 through the white elimination heat exchanger water inlet pipe 6, and after exchanging heat with the wet flue gas outside the white elimination heat exchanger 4, the hot water is sent to the main water distribution pipe of the cooling tower through the white elimination heat exchanger water outlet pipe 7, the water inside the white elimination heat exchanger 4 exchanges heat with the wet flue gas, and the wet flue gas is heated to achieve the purpose of white elimination.
Wet flue gas forms water smoke and water droplet when the upper portion of fan 9 is discharged, utilizes crisscross parting bead on the defogging baffle 3, intercepts partial big water smoke, polymerizes into bigger water droplet, and the water droplet is because the action of gravity whereabouts, intercepts partly dust and water droplet on defogging silk screen 2 and defogging baffle 3, then drips down, and the water droplet of whereabouts forms heat transfer against the current again with the water smoke that rises simultaneously for the white effect that disappears is better.
Referring to fig. 2 and 5, the capillary heat exchange system 5 includes a conical canopy cover 51 fixedly disposed on the top of the housing 1, a plurality of cooling tubes 52 are circumferentially arranged at intervals on the lower side of the canopy cover 51 and closely attached to the inner wall thereof, a plurality of air inlets 53 facing different directions are formed on the cooling tubes 52, a water collecting pipe 54 communicated with each cooling tube 52 is disposed on the inner side of the lower edge of the canopy cover 51, a water guiding pipe 55 is communicated with the water collecting pipe 54, and the lower end of the water guiding pipe 55 extends to the bottom of the cooling tower.
The rest wet flue gas comes to the thin tube heat exchange system 5, steam enters the cooling tube array 52 through the air inlet 53, and exchanges heat with cold air on the upper part of the shed cover 51 in the cooling tube array 52, when hot steam collides with the cooling cover, a condensation effect can be generated, the steam is naturally cooled and further condensed into water, the condensed water is collected into the water collecting tube 54 through each cooling tube array 52, and the condensed water is sent back to the cooling tower for recycling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A distillation method steam de-whitening water-saving device is characterized by comprising a shell (1), wherein a demisting wire mesh (2), a demisting partition plate (3), a de-whitening heat exchanger (4) and a capillary heat exchange system (5) are sequentially arranged in the shell (1) from bottom to top;
the inlet of the white heat exchanger (4) is connected with a heat exchanger water inlet pipe (6), and the outlet is connected with a heat exchanger water outlet pipe (7);
a flow guide port (10) for discharging gas is arranged on the shell (1);
capillary heat transfer system (5) including set firmly in conical canopy lid (51) at casing (1) top, the downside of canopy lid (51) is hugged closely its inner wall circumference interval and is arranged many cooling tube arrays (52), seted up a plurality of inlet ports (53) that the orientation is different on cooling tube array (52), the lower edge inboard of canopy lid (51) is provided with collector pipe (54) with each cooling tube array (52) intercommunication, the intercommunication has aqueduct (55) on collector pipe (54), and the lower extreme of aqueduct (55) extends to the bottom of cooling tower.
2. The distillation steam-based white water removal device according to claim 1, wherein a cylindrical baffle (8) with openings at upper and lower ends is fixedly arranged in the housing (1), the defogging wire mesh (2), the defogging partition plate (3) and the white heat exchanger (4) are all arranged in the baffle (8), the bottom of the baffle (8) is hermetically connected with the inner wall of the housing (1) through a baffle connecting part, and the diversion port (10) is positioned at the upper side of the baffle connecting part.
3. A distillation steam-whitening water-saving device according to claim 1, characterized in that the demisting wire net (2) is a net with triangular or parallelogram meshes.
4. The distillation steam-whitening water-saving device according to claim 1, wherein a plurality of parallel parting strips are distributed on the demisting partition plate (3), the longitudinal section of each parting strip is in an inverted V shape, each parting strip is divided into an upper layer and a lower layer, a gap is formed between every two adjacent parting strips in the same layer, and the parting strips in the upper layer and the parting strips in the lower layer are staggered.
5. The distillation steam whitening water-saving device according to claim 1, characterized in that the whitening heat exchanger (4) is a finned heat exchanger, and a water inlet regulating valve is arranged at a water inlet of the whitening heat exchanger (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110133997.8A CN112857090A (en) | 2021-02-01 | 2021-02-01 | Steam-whitening water-saving device adopting distillation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110133997.8A CN112857090A (en) | 2021-02-01 | 2021-02-01 | Steam-whitening water-saving device adopting distillation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112857090A true CN112857090A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110133997.8A Pending CN112857090A (en) | 2021-02-01 | 2021-02-01 | Steam-whitening water-saving device adopting distillation method |
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| CN (1) | CN112857090A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011186A (en) * | 2021-11-18 | 2022-02-08 | 西安西热锅炉环保工程有限公司 | Demist device for outlet of tapered urea hydrolyzer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548086U (en) * | 2009-12-08 | 2010-08-11 | 于天鹏 | Air-blast semi-closed cooling tower |
| CN108895857A (en) * | 2018-08-13 | 2018-11-27 | 双良节能系统股份有限公司 | A kind of fog dispersal water-saving cooling tower and its water-saving method |
| CN110141917A (en) * | 2019-05-09 | 2019-08-20 | 张波 | A kind of heating of system for desulfuration and denitration disappears white equipment |
| CN110319714A (en) * | 2019-04-07 | 2019-10-11 | 李英劼 | Circulating cooling tower self-solidifying formula fog dispersal cover |
| CN110559791A (en) * | 2019-09-29 | 2019-12-13 | 卜正国 | Process for cooling and whitening wet flue gas by circulating spraying of flue gas condensed water after heat exchange and cooling |
| CN111167293A (en) * | 2020-01-07 | 2020-05-19 | 无锡市华星电力环保修造有限公司 | Method and equipment for FWGD cooperative fine particulate matter and SO3 removal |
-
2021
- 2021-02-01 CN CN202110133997.8A patent/CN112857090A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548086U (en) * | 2009-12-08 | 2010-08-11 | 于天鹏 | Air-blast semi-closed cooling tower |
| CN108895857A (en) * | 2018-08-13 | 2018-11-27 | 双良节能系统股份有限公司 | A kind of fog dispersal water-saving cooling tower and its water-saving method |
| CN110319714A (en) * | 2019-04-07 | 2019-10-11 | 李英劼 | Circulating cooling tower self-solidifying formula fog dispersal cover |
| CN110141917A (en) * | 2019-05-09 | 2019-08-20 | 张波 | A kind of heating of system for desulfuration and denitration disappears white equipment |
| CN110559791A (en) * | 2019-09-29 | 2019-12-13 | 卜正国 | Process for cooling and whitening wet flue gas by circulating spraying of flue gas condensed water after heat exchange and cooling |
| CN111167293A (en) * | 2020-01-07 | 2020-05-19 | 无锡市华星电力环保修造有限公司 | Method and equipment for FWGD cooperative fine particulate matter and SO3 removal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011186A (en) * | 2021-11-18 | 2022-02-08 | 西安西热锅炉环保工程有限公司 | Demist device for outlet of tapered urea hydrolyzer |
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Application publication date: 20210528 |
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