CN112012951A - High-temperature fan self-heat-collecting system - Google Patents

High-temperature fan self-heat-collecting system Download PDF

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Publication number
CN112012951A
CN112012951A CN202010724194.5A CN202010724194A CN112012951A CN 112012951 A CN112012951 A CN 112012951A CN 202010724194 A CN202010724194 A CN 202010724194A CN 112012951 A CN112012951 A CN 112012951A
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CN
China
Prior art keywords
steam
heat
water
separation chamber
water separation
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.)
Pending
Application number
CN202010724194.5A
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Chinese (zh)
Inventor
李钊
赵鹏举
陶乐乐
陆银华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huzhou Ruichen Environmental Protection Technology Co ltd
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Huzhou Ruichen Environmental Protection Technology Co ltd
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Publication date
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Priority to CN202010724194.5A priority Critical patent/CN112012951A/en
Publication of CN112012951A publication Critical patent/CN112012951A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a high-temperature fan self-heat-collecting system which comprises a shell and a current collector connected to an air inlet of the shell, wherein a heat-collecting pipeline is arranged on the shell, a steam-water separation chamber is arranged on the current collector, a water outlet of the heat-collecting pipeline is connected with the steam-water separation chamber, the steam-water separation chamber is provided with a water outlet and a steam outlet, the water outlet is connected with a heat-preservation water storage pool, and the steam outlet is connected with a high-temperature steam utilization device.

Description

High-temperature fan self-heat-collecting system
Technical Field
The invention relates to the field of fans, in particular to a high-temperature fan self-heat-collecting system.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The high-temperature fan belongs to a special fan, is mainly used for high-temperature operation, and is made of a material with strong high temperature resistance and high pressure resistance. The high-temperature fan mainly comprises: stainless steel high temperature resistant fan, transmission high temperature fan, centrifugal high temperature fan, etc. The use temperature is generally about 400 ℃. The method is widely applied to the fields of chemical industry, petroleum, metallurgy, forging and pressing, electric power, nuclear power stations, environmental protection and the like.
The waste heat resources of various industries in China account for 17% -67% of the total fuel consumption, and the recyclable waste heat resources account for 60% of the total waste heat resources. The traditional high-temperature fan does not have a heat collection function, and a large amount of waste is caused along with the lapse of time.
Disclosure of Invention
The invention aims to provide a high-temperature fan self-heat-collecting system aiming at the defects of the prior art so as to solve the problems.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
the high-temperature fan self-heat-collecting system comprises a shell and a current collector connected to an air inlet of the shell, wherein a heat collecting pipeline is arranged on the shell, a steam-water separation chamber is arranged on the current collector, a water outlet of the heat collecting pipeline is connected with the steam-water separation chamber, the steam-water separation chamber is provided with a water outlet and a steam outlet, the water outlet is connected with a heat-preservation water storage reservoir, and the steam outlet is connected with a high-temperature steam utilization device.
In a preferred embodiment of the present invention, the steam outlet is connected to the high temperature steam utilization device through a pipe having a check valve.
In a preferred embodiment of the present invention, the heat collecting pipes are distributed on the outer circumferential surface of the cabinet in a baffle structure.
In a preferred embodiment of the present invention, the current collector is in a horn structure, the steam-water separation chamber is in an annular structure, a conical surface structure adapted to the horn structure is disposed in the middle of the steam-water separation chamber, and the conical surface structure is closely fixed to the outer surface of the current collector.
In a preferred embodiment of the present invention, the high temperature steam utilization device is a steam turbine.
In a preferred embodiment of the invention the flow velocity of the medium in said heat collecting pipe is more than 4.67 m/s.
Due to the adoption of the technical scheme, the invention can not only effectively cool and radiate the shell, prolong the service life of the machine body, reduce the thermal expansion of the rotor part and reduce the temperature of the machine room, so that the working environment is safer; the invention can also guide out a large amount of heat energy carried in the high-temperature medium, and store and utilize the heat energy, so that the large amount of heat energy carried in the medium is not discharged into the atmosphere, and the energy waste is avoided. And the heat energy can also be used for living purposes such as heating and industrial purposes such as power generation and heating of a reaction kettle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 the drawings without creative efforts.
FIG. 1 is a perspective view of the structure of one embodiment of the present invention.
Fig. 1a is a schematic structural diagram of fig. 1 with some components omitted.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a side view of fig. 2.
Fig. 4 is an axial sectional view of the casing.
Fig. 5 is one of radial sectional views of the casing.
Fig. 6 is a second radial cross-sectional view of the casing.
Fig. 7 is a front view of the current collector.
Fig. 8 is a side view of fig. 7.
Fig. 9 is a sectional view taken along line a-a of fig. 7.
FIG. 10 is a front view of the steam separation chamber.
Fig. 11 is a sectional view of fig. 10.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
Referring to fig. 1 to 11, the high temperature fan self-heat-collecting system includes a casing 100, a collector 200, and a steam-water separation chamber 300. The current collector 200 is connected to the air inlet of the casing 100, the current collector 200 in this embodiment is in a horn structure, the steam-water separation chamber 300 is in an annular structure, the middle portion of the steam-water separation chamber is provided with a conical surface structure 310 matched with the horn structure, and the conical surface structure 310 is tightly attached and fixed to the outer surface of the current collector, so that the current collector 200 can continuously and efficiently heat the steam in the steam-water separation chamber 300. The collector 200 is provided at the middle thereof with a flange 201 connected to the casing 100.
The cabinet 100 is provided with a heat collecting pipe 400, in order to increase a heating area of the heat collecting pipe 400, the heat collecting pipe 400 is distributed on an outer circumferential surface of the cabinet 100 in a labyrinth-type deflection structure, the heat collecting pipe 400 is a rectangular pipe, the heat collecting pipe 400 has a liquid inlet 410 and a water outlet 420, and the water outlet 420 of the heat collecting pipe 400 is connected to the inlet 301 of the steam-water separation chamber 300.
The steam-water separation chamber 300 is provided with a water outlet 302 and a steam outlet 303, the water outlet 302 is connected with the heat preservation water reservoir 500, the steam outlet 303 is connected with a high-temperature steam utilization device 600, and the high-temperature steam utilization device 600 is preferably a steam turbine. In order to facilitate automatic control, the steam outlet 303 is connected to the high temperature steam utilization device 600 through a pipe 720 having a check valve 710.
According to the known data of the high-temperature fan, the heat Q released when the high-temperature air is reduced to 100 ℃ in 1h can be obtainedRComprises the following steps:
QR＝QL×T×ρair conditioner×CAir conditioner×|(400℃-100℃)|
＝8×105×1×0.47×1000×300J
＝1.128×1011J
QL-flow rate of high temperature fan, unit m3/h；
T- - - -time, unit h;
ρair conditionerDensity of air in kg/m3；
CAir conditionerThe specific heat capacity of air, in J/(kg. DEG.C.).
MWater (W)＝QR/[CWater (W)×(100℃-20℃)]
＝1.128×1011/(4200×80)kg
＝3.357×105kg
MWater (W)-mass of water in kg;
Cwater (W)The specific heat capacity of water, in J/(kg. DEG.C.).
VWater (W)＝MWater (W)/ρWater (W)
＝3.357×102/1000m3
＝3.357×102m3
VWater (W)Volume of water in m3；
ρWater (W)Density of water in kg/m3。
QWater (W)＝VWater (W)/T
＝3.357×102/1m3/h
＝3.357×102m3/h
QWater (W)Flow rate of water, unit m3/h。
ν＝QWater (W)/(S×3600)
＝3.357×102/(0.02×3600)m/s
≈4.67m/s
v- -flow rate of water in m/s.
From the above data, it can be known that, theoretically, the heat contained in the gas of 400 ℃ can be extracted and utilized when the flow rate of the water in the heat collecting pipe is controlled to be more than 4.67 m/s.
The working principle of the invention is as follows:
the outer ring of the current collector 200 is additionally provided with the steam-water separation chamber 300, the steam-water separation chamber 300 is connected with the heat collection pipe 400, the current collector 200 is wrapped by the steam-water separation chamber 300, so that the current collector 200 can continuously and efficiently heat steam in the steam-water separation chamber 300, the one-way valve 710 is arranged above the steam-water separation chamber 300, the pressure in the steam-water separation chamber 300 is gradually increased along with the gradual increase of the steam temperature, when certain pressure is reached, the one-way valve 710 is opened (the pressure when the one-way valve 710 is opened in the embodiment is greater than 350 ℃), high-temperature steam is ejected from the steam-water separation chamber 300 along the opening of the one-way valve 710, and. A water outlet is formed below the steam-water separation chamber 300, the size of the water outlet is adjusted according to actual parameters, so that the liquid level in the steam-water separation chamber 300 keeps balance under the condition of continuous water injection and water drainage, hot water in the steam-water separation chamber 300 flows into the pipeline 800 along the water outlet 302 below the steam-water separation chamber 300 and flows into the heat-preservation water reservoir 500 along with the pipeline 800, and the water-saving heat-preservation water reservoir can be used for domestic water and the like.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The high-temperature fan self-heat-collecting system comprises a shell and a current collector connected to an air inlet of the shell, and is characterized in that a heat-collecting pipeline is arranged on the shell, a steam-water separation chamber is arranged on the current collector, a water outlet of the heat-collecting pipeline is connected with the steam-water separation chamber, the steam-water separation chamber is provided with a water outlet and a steam outlet, the water outlet is connected with a heat-preservation water storage reservoir, and the steam outlet is connected with a high-temperature steam utilization device.
2. The high-temperature fan self-heat-collecting system according to claim 1, wherein the steam outlet is connected with the high-temperature steam utilization device through a pipeline with a one-way valve.
3. The self heat collecting system of high temperature blower according to claim 1, wherein the heat collecting pipes are distributed on the outer circumferential surface of the casing in a baffle structure.
4. The self-heat-collecting system of the high-temperature fan according to claim 1, wherein the collector is in a horn structure, the steam-water separation chamber is in an annular structure, a conical surface structure matched with the horn structure is arranged in the middle of the steam-water separation chamber, and the conical surface structure is tightly attached and fixed to the outer surface of the collector.
5. The high temperature fan self heat collection system of claim 1, wherein the high temperature steam utilization device is a steam turbine.
6. The self heat collecting system of the high temperature fan as claimed in claim 1, wherein the flow velocity of the medium in the heat collecting pipe is greater than 4.67 m/s.
CN202010724194.5A 2020-07-24 2020-07-24 High-temperature fan self-heat-collecting system Pending CN112012951A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202010724194.5A CN112012951A (en) 2020-07-24 2020-07-24 High-temperature fan self-heat-collecting system

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2087705U (en) * 1991-02-26 1991-10-30 李敬忠 High-temperature resistant water-wheel blower for iron-smelting furnace
CN201795677U (en) * 2010-06-23 2011-04-13 南通和达节能环保技术有限公司 Energy-saving muffle furnace
CN105771638A (en) * 2016-05-06 2016-07-20 济南大学 Desulfurization and denitrification method and device for hot sparing of coke oven chimney by using coke oven flue gas
CN205744599U (en) * 2016-05-06 2016-11-30 亿昇(天津)科技有限公司 A kind of volute of blower waste-heat recovery device
CN108468649A (en) * 2018-05-28 2018-08-31 浙江巨峰木业有限公司 A kind of air-introduced machine of plank station-service conveying high-temperature flue gas
CN208595081U (en) * 2018-03-29 2019-03-12 张嘉 A kind of energy-saving power plant Special draft fan
CN208793053U (en) * 2018-09-25 2019-04-26 辽宁宝铂科技有限公司 A kind of ferronickel mineral hot furnace device for generating power by waste heat
CN209668766U (en) * 2019-04-15 2019-11-22 山东国润生物医药有限公司 The sulfur furnace of structure is utilized in a kind of hydrogen sodium technique with thermal cycle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2087705U (en) * 1991-02-26 1991-10-30 李敬忠 High-temperature resistant water-wheel blower for iron-smelting furnace
CN201795677U (en) * 2010-06-23 2011-04-13 南通和达节能环保技术有限公司 Energy-saving muffle furnace
CN105771638A (en) * 2016-05-06 2016-07-20 济南大学 Desulfurization and denitrification method and device for hot sparing of coke oven chimney by using coke oven flue gas
CN205744599U (en) * 2016-05-06 2016-11-30 亿昇(天津)科技有限公司 A kind of volute of blower waste-heat recovery device
CN208595081U (en) * 2018-03-29 2019-03-12 张嘉 A kind of energy-saving power plant Special draft fan
CN108468649A (en) * 2018-05-28 2018-08-31 浙江巨峰木业有限公司 A kind of air-introduced machine of plank station-service conveying high-temperature flue gas
CN208793053U (en) * 2018-09-25 2019-04-26 辽宁宝铂科技有限公司 A kind of ferronickel mineral hot furnace device for generating power by waste heat
CN209668766U (en) * 2019-04-15 2019-11-22 山东国润生物医药有限公司 The sulfur furnace of structure is utilized in a kind of hydrogen sodium technique with thermal cycle

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