CN210862296U - Smoke or dead steam dehydration and air cooling system - Google Patents
Smoke or dead steam dehydration and air cooling system Download PDFInfo
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- CN210862296U CN210862296U CN201921014885.5U CN201921014885U CN210862296U CN 210862296 U CN210862296 U CN 210862296U CN 201921014885 U CN201921014885 U CN 201921014885U CN 210862296 U CN210862296 U CN 210862296U
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- flue gas
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- 238000001816 cooling Methods 0.000 title claims abstract description 36
- 239000000779 smoke Substances 0.000 title claims abstract description 16
- 230000018044 dehydration Effects 0.000 title claims description 6
- 238000006297 dehydration reaction Methods 0.000 title claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000003546 flue gas Substances 0.000 claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000007921 spray Substances 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 10
- 230000008020 evaporation Effects 0.000 claims abstract description 10
- 230000002708 enhancing effect Effects 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 14
- 239000012670 alkaline solution Substances 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 description 8
- 231100000719 pollutant Toxicity 0.000 description 8
- 238000006477 desulfuration reaction Methods 0.000 description 6
- 230000023556 desulfurization Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 230000003009 desulfurizing effect Effects 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 201000006306 Cor pulmonale Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000175 potential carcinogenicity Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
A kind of flue gas or steam exhaust dehydrates the white air cooling system, it includes the air cooling heat exchanger; two groups of isolated and closed channels are arranged in the air cooling heat exchanger, namely a flue gas or dead steam channel and a cooling air channel; the inlet of the cooling air channel is provided with a water spray nozzle and a water supply pipeline for enhancing heat exchange by latent heat of evaporation; a condensed water collecting channel is arranged in the flue gas or exhaust steam channel; the outlet of the condensed water collecting channel is arranged at the bottom of the air-cooled heat exchanger; a condensed water baffle is arranged on the condensed water collecting channel, and condensed water is discharged from the bottom of the air-cooled heat exchanger; the heat exchange surfaces of the smoke or steam exhaust side and the air side of the air-cooled heat exchanger are square parallel flow tubes or harmonica tube fins formed by extrusion; an inlet and an outlet of a flue gas or dead steam side of the air-cooled heat exchanger are directly connected with a flue through a flange or a reducing interface; the utility model discloses heat exchange efficiency is high, compact structure, take up an area of for a short time, and not only the initial investment is low, and the running cost is also very low, can realize the water balance of system simultaneously.
Description
Technical Field
The utility model relates to an environmental control technical field, concretely relates to flue gas or exhaust steam dehydration white air cooling system.
Background
With the increasing severity of the problems of environmental pollution and energy shortage, how to improve the comprehensive utilization efficiency of energy and effectively reduce the discharge of harmful gases has great significance in actively promoting the environmental protection work.
Haze and PM2.5 become one of the most contacted words, in recent years, haze covers half of the territory of China, is the eastern and middle areas with dense population and developed economy, and becomes one of the most serious areas of global haze. PM2.5, fine particulate matter, is the main factor that haze forms, it impairs human respiratory function, causes respiratory system diseases such as inflammation, asthma, etc., can make the sick and death rate of heart disease increase, and have potential carcinogenicity, therefore influence on human health and atmospheric environment quality is enormous, have become people's cardiopulmonary disease.
The development of industry and the modernization of human beings do not have the requirement of energy, especially the requirement of electric power and heat energy. The primary energy of China mainly comes from coal, and the combustion of the coal inevitably generates a large amount of pollutant emissions, wherein the pollutant emissions include smoke dust, sulfur dioxide, nitrogen oxides and other chemical substances. The electric power of China is mainly provided by a coal-fired thermal power generating unit, so that the electric power becomes the first of various pollutant discharge industries.
The power production of coal not only needs to burn a large amount of coal to generate various pollutants, but also is indispensable high-quality energy and clean energy in modern society. In order to reduce the pollution of scattered coal production and life style to the environment, people will use more electric power, so the electric power production is not only a provider of high-quality energy but also a pollutant treating person.
In order to reduce the emission of sulfur dioxide, wet desulfurization has become a major desulfurization process due to its desulfurization effect and the like. However, with the recent generation of a large amount of haze, a large amount of water-containing flue gas discharged after wet desulfurization is a subject of public scrutiny, the temperature of the flue gas after wet desulfurization reaches 48 ℃ to 55 ℃ in different seasons, the water content reaches about 11% to 15%, and once the flue gas is condensed in the air, the condensed water contains a large amount of acidic substances and particulate matters generated by salt dissolution.
Aiming at the measure that the flue gas after wet desulphurization carries water and is also researched and treated in China, the flue gas with water can not be seen when the flue gas discharged by the wet desulphurization is heated to 80 ℃, so that the visual pollution is considered to be solved. However, the water carried by the flue gas and the pollutants contained in the water are still discharged into the air and finally fall down, and particularly float in the low air to form haze, so that the environment is polluted. China is continental and has wide territories, and pollutants are difficult to diffuse under adverse weather and geographic conditions and influence each other due to recent climate change. The emission of a large amount of desulfurized hydrous flue gas in a plurality of emission enterprises in the region is greatly overlapped.
The wet desulphurization system is adopted, the flue gas discharged by the wet desulphurization system is saturated wet flue gas, the temperature of the flue gas at the outlet of the desulphurization tower is about 48-58 ℃, and the proportion of water vapor in the flue gas is about 11-18%. A660 MW thermal power generating unit adopting a wet desulphurization system has the flue gas quantity of the clean flue gas (saturated wet flue gas) behind a desulphurization tower of 230.0 ten thousand Nm under the THA working condition3The moisture carried in the smoke is about 275-330 tons/h, even 35mg/m3Ultra low emission standard of sulfide, sulfidizationThe discharge amount of the materials reaches 100-120 kg/h.
The moisture in the saturated wet flue gas after wet desulphurization is in a state of extremely fine water mist formed by gaseous steam, and can be discharged into the air along with the flue gas.
The factors influencing the outlet flue gas temperature of the desulfurizing tower are mainly the inlet flue gas temperature of the desulfurizing tower and the water replenishing temperature of the desulfurizing process, and because of the limitation of dew point corrosion and flue gas waste heat recovery technology, the inlet flue gas temperature of the desulfurizing tower is generally about 110-130 ℃ at present, and the flue gas temperature after wet desulphurization is about 48-55 ℃.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's flue gas or exhaust steam dehydration white air cooling system, directly cool down the condensate to the flue gas after the desulfurization, realize that the exhaust gas temperature of the season of heating (11 months to next 3 months) is less than or equal to 45 ℃, non-season of heating (4 months to 10 months) exhaust gas temperature is less than or equal to 48 ℃, reduce the pollutant of discharging to the atmosphere by a wide margin.
In order to achieve the above object, the utility model adopts the following technical scheme: it comprises an air-cooled heat exchanger; two groups of isolated and closed channels are arranged in the air cooling heat exchanger, namely a flue gas or dead steam channel and a cooling air channel; the two groups of channels carry out indirect heat exchange through wall surface heat conduction or micro heat pipe array heat conduction; the inlet of the cooling air channel is provided with a water spray nozzle and a water supply pipeline for enhancing heat exchange by latent heat of evaporation; a condensed water collecting channel is arranged in the flue gas or exhaust steam channel; the outlet of the condensed water collecting channel is arranged at the bottom of the air-cooled heat exchanger; a condensed water baffle is arranged on the condensed water collecting channel, and condensed water is discharged from the bottom of the air-cooled heat exchanger; the heat exchange surfaces of the smoke or steam exhaust side and the air side of the air-cooled heat exchanger are square parallel flow tubes or harmonica tube fins formed by extrusion; an inlet and an outlet of a flue gas or dead steam side of the air-cooled heat exchanger are directly connected with a flue through a flange or a reducing interface;
furthermore, smoke or steam exhaust side of the air-cooled heat exchanger and square parallel flow tubes or harmonica tube fins on the air side are welded or bonded to form a cross shape, and heat exchange is carried out through heat conduction of the tube walls of the parallel flow tubes;
furthermore, the flue gas or steam exhaust side of the air-cooled heat exchanger and the square parallel flow tube or harmonica tube fin on the air side are respectively welded or bonded on the flat micro heat pipe array, the wet flue gas or steam exhaust side fin is positioned at the evaporation section of the micro heat pipe array or the lower part of the micro heat pipe array, the air side fin is positioned at the condensation section of the micro heat pipe array or the upper part of the micro heat pipe array, and the heat of the wet flue gas or steam exhaust is transferred to the evaporation section of the micro heat pipe array through fin heat exchange and then is discharged to the air side through the fin for heat exchange;
furthermore, a flue gas or exhaust steam side inlet of the air-cooled heat exchanger is provided with a sodium hydroxide alkaline solution spray nozzle and an alkaline solution supply pipeline for neutralizing the acidic flue gas;
furthermore, more than one axial flow fan is arranged at an air side outlet of the air-cooled heat exchanger, and the air side inlet is communicated with the atmosphere directly or through an air filter; the axial flow fan is arranged at the upper part of the air-cooled heat exchanger and is integrated with the air-cooled heat exchanger;
furthermore, an air side inlet of the air cooling heat exchanger is provided with an air duct and a blower fan and is connected with the atmosphere;
furthermore, the through hole inner size of the square parallel flow tube through hole fin or harmonica tube through hole fin positioned at the smoke or exhaust steam side is 8mm-25mm in width and 8mm-25mm in height; the through hole inner size of the square parallel flow tube through hole fin or harmonica tube through hole fin positioned at the air side is 3mm-10mm in width and 8mm-25mm in height.
After the technical scheme is adopted, the utility model discloses beneficial effect does: a flue gas or exhaust steam dehydration white air cooling system, heat exchange efficiency is high, compact structure, take up an area of for a short time, not only the initial investment is low, the running cost is also very low, can realize the water balance of system simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a cooling flow diagram of the present invention;
description of reference numerals:
1. an air side outlet; 2. a condensate water baffle; 3. a flue gas or exhaust steam side inlet; 4. an alkali liquor supply pipeline; 5. a sodium hydroxide lye spray nozzle; 6. an air-cooled heat exchanger; 7. a water spray nozzle; 8. a condensed water collection box; 9. a water supply line; 10. an axial flow fan.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-2, the technical solution adopted by the present embodiment is: it comprises an air-cooled heat exchanger 6; two groups of isolated and closed channels are arranged in the air-cooled heat exchanger 6, namely a flue gas or dead steam channel and a cooling air channel; the two groups of channels carry out indirect heat exchange through wall surface heat conduction or micro heat pipe array heat conduction; the inlet of the cooling air channel is provided with a water spray nozzle 7 for enhancing heat exchange by latent heat of evaporation and a water supply pipeline 9; a condensed water collecting channel is arranged in the flue gas or exhaust steam channel; the outlet of the condensed water collecting channel is arranged at the bottom of the air-cooled heat exchanger 6; a condensed water baffle 2 is arranged on the condensed water collecting channel, and condensed water is discharged from the bottom of the air-cooled heat exchanger 6; the condensed water is discharged after reaching the discharge standard through retreatment, one part of the condensed water is used for an alkaline solution spraying system and is recycled to the condensed water collecting box 8, and the other part of the condensed water is used for directly discharging to the atmosphere after being evaporated by a water spraying system, so that the water balance of the whole flue gas air cooling system is ensured; the heat exchange surfaces of the smoke or steam exhaust side and the air side of the air-cooled heat exchanger are square parallel flow tubes or harmonica tube fins formed by extrusion; the size of the through hole of the parallel flow tube at the air side and the side of the smoke gas or the exhaust steam is adjusted to ensure that the specific surface area of the through hole fin of the parallel flow tube at the air side is 2-5 times of that of the through hole fin at the smoke gas side or the exhaust steam side, and the heat exchange balance with the air side is ensured under the condition of ensuring lower flow resistance of the smoke gas or the exhaust steam side; a flue gas or exhaust steam side inlet 3 and a flue gas or exhaust steam side outlet of the air-cooled heat exchanger are directly connected with a flue through a flange or a reducing interface;
furthermore, smoke or steam exhaust side of the air-cooled heat exchanger and square parallel flow tubes or harmonica tube fins on the air side are welded or bonded to form a cross shape, and heat exchange is carried out through heat conduction of the tube walls of the parallel flow tubes;
furthermore, the flue gas or steam exhaust side of the air-cooled heat exchanger and the square parallel flow tube or harmonica tube fin on the air side are respectively welded or bonded on the flat micro heat pipe array, the wet flue gas or steam exhaust side fin is positioned at the evaporation section of the micro heat pipe array or the lower part of the micro heat pipe array, the air side fin is positioned at the condensation section of the micro heat pipe array or the upper part of the micro heat pipe array, and the heat of the wet flue gas or steam exhaust is transferred to the evaporation section of the micro heat pipe array through fin heat exchange and then is discharged to the air side through the fin for heat exchange;
furthermore, a flue gas or exhaust steam side inlet 3 of the air-cooled heat exchanger is provided with a sodium hydroxide alkaline solution spray nozzle 5 and an alkaline solution supply pipeline 4 for neutralizing the acidic flue gas, and the pH value of flue gas condensed water is ensured to be 4-8, preferably 4.5-7 by adjusting the spray amount; the flow resistance of the flue gas side of the air-cooled heat exchanger is not more than 600 Pa;
further, more than one axial flow fan 10 is arranged at an air side outlet 1 of the air cooling heat exchanger, and the air side inlet is communicated with the atmosphere directly or through an air filter; the axial flow fan 10 is arranged at the upper part of the air-cooled heat exchanger 6 and is integrated with the air-cooled heat exchanger 6;
furthermore, an air duct and a blower fan are arranged at an air side inlet of the air cooling heat exchanger and are connected with the atmosphere.
In the specific embodiment, after the flue gas or exhaust steam side of the air-cooled heat exchanger 6 is sprayed with alkali liquor, the pH value of condensed water at the flue gas side can be ensured to be in the corrosion-resistant pH value range of aluminum, and the flue gas or exhaust steam side can be made of various corrosion-resistant metals or common corrosion-resistant materials, such as aluminum or aluminum alloy; therefore, the cooling air side can be made of common corrosion-resistant materials, such as aluminum or aluminum alloy; the cooling air side adopts water spray to strengthen air side heat exchange, and the capacity of sufficient cooling flue gas can be ensured under extreme weather conditions by adjusting the spray amount. The heat exchange surfaces of the smoke or the exhaust steam side and the air side are both square parallel flow tubes or harmonica tube fins, so that the extremely large heat exchange surface area is effectively ensured, the temperature of an air outlet is close to the temperature of a smoke inlet, a large amount of latent heat of sprayed water mist can be absorbed, water is completely evaporated, and therefore the heat exchange capacity is extremely high.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A kind of flue gas or steam exhaust dehydrates and removes the white air cooling system, characterized by that it includes the air cooling heat exchanger; two groups of isolated and closed channels are arranged in the air cooling heat exchanger, namely a flue gas or dead steam channel and a cooling air channel; the two groups of channels carry out indirect heat exchange through wall surface heat conduction or micro heat pipe array heat conduction; the inlet of the cooling air channel is provided with a water spray nozzle and a water supply pipeline for enhancing heat exchange by latent heat of evaporation; a condensed water collecting channel is arranged in the flue gas or exhaust steam channel; the outlet of the condensed water collecting channel is arranged at the bottom of the air-cooled heat exchanger; a condensed water baffle is arranged on the condensed water collecting channel, and condensed water is discharged from the bottom of the air-cooled heat exchanger; the heat exchange surfaces of the smoke or steam exhaust side and the air side of the air-cooled heat exchanger are square parallel flow tubes or harmonica tube fins formed by extrusion; the inlet and the outlet of the flue gas or the exhaust steam side of the air cooling heat exchanger are directly connected with the flue through a flange or a reducing interface.
2. The flue gas or steam exhaust dehydration and air-drying air cooling system as claimed in claim 1, wherein the flue gas or steam exhaust side of the air-cooling heat exchanger and the square parallel flow tubes or harmonica tube fins on the air side are welded or bonded to form a cross shape and exchange heat by conducting heat through the walls of the parallel flow tubes.
3. The flue gas or steam exhaust dehydrating and air-cooling system as claimed in claim 1, wherein the flue gas or steam exhaust side of the air-cooling heat exchanger and the square parallel flow tubes or harmonica tube fins on the air side are respectively welded or bonded to the flat micro heat pipe array, the wet flue gas or steam exhaust side fins are located at the evaporation section of the micro heat pipe array or the lower part of the micro heat pipe array, the air side fins are located at the condensation section of the micro heat pipe array or the upper part of the micro heat pipe array, and the heat of the wet flue gas or steam exhaust is transferred to the evaporation section of the micro heat pipe array through the fins, transferred to the condensation section and then discharged to the air side through the fins for heat exchange.
4. The flue gas or dead steam dehydrating and air-cooling system as claimed in claim 1, wherein the flue gas or dead steam side inlet of the air-cooling heat exchanger is provided with a sodium hydroxide alkaline solution spray nozzle for neutralizing the acidic flue gas and an alkaline solution supply pipeline.
5. The system of claim 1, wherein the air-cooled heat exchanger has one or more axial fans at the air inlet, and the air inlet is connected to the atmosphere directly or through an air filter; the axial flow fan is arranged at the upper part of the air-cooled heat exchanger and is integrated with the air-cooled heat exchanger.
6. The system of claim 5, wherein the air-cooled heat exchanger has an air duct and a blower connected to the atmosphere at the air inlet.
7. The system for dehydrating, dehydrating and air-cooling the flue gas or the exhaust steam according to claim 1, 2 or 3, wherein the through hole of the square parallel flow tube through hole fin or the harmonica tube through hole fin on the side of the flue gas or the exhaust steam has the inner dimension of 8mm-25mm in width and 8mm-25mm in height; the through hole inner size of the square parallel flow tube through hole fin or harmonica tube through hole fin positioned at the air side is 3mm-10mm in width and 8mm-25mm in height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014885.5U CN210862296U (en) | 2019-07-02 | 2019-07-02 | Smoke or dead steam dehydration and air cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014885.5U CN210862296U (en) | 2019-07-02 | 2019-07-02 | Smoke or dead steam dehydration and air cooling system |
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| Publication Number | Publication Date |
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| CN210862296U true CN210862296U (en) | 2020-06-26 |
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| CN201921014885.5U Active CN210862296U (en) | 2019-07-02 | 2019-07-02 | Smoke or dead steam dehydration and air cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375561A (en) * | 2019-07-02 | 2019-10-25 | 赵耀华 | White air cooling system is removed in a kind of flue gas or steam exhaust dehydration |
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2019
- 2019-07-02 CN CN201921014885.5U patent/CN210862296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375561A (en) * | 2019-07-02 | 2019-10-25 | 赵耀华 | White air cooling system is removed in a kind of flue gas or steam exhaust dehydration |
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Effective date of registration: 20230720 Address after: 230061 Room A01, 17/F, Building 2, China Net Grain Networking Technology Industrial Park, Yaohai District, Hefei City, Anhui Province Patentee after: Hefeng Technology Co.,Ltd. Address before: 230011 Floor 7, Building 1, Zhoufeng Holding Building, No.1 Xingfu Road, Yaohai District, Hefei, Anhui Province Patentee before: Anhui Kunbo Zhixin Equity Investment Partnership (L.P.) Effective date of registration: 20230720 Address after: 230011 Floor 7, Building 1, Zhoufeng Holding Building, No.1 Xingfu Road, Yaohai District, Hefei, Anhui Province Patentee after: Anhui Kunbo Zhixin Equity Investment Partnership (L.P.) Address before: No. 701, Block A, Building 210, Wangjing Garden East District, Chaoyang District, Beijing, 100000 Patentee before: Zhao Yaohua Patentee before: Xu Hongxia |
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