CN109028018A - The boiler plant coal saving device of power generation station-service - Google Patents
The boiler plant coal saving device of power generation station-service Download PDFInfo
- Publication number
- CN109028018A CN109028018A CN201810872334.6A CN201810872334A CN109028018A CN 109028018 A CN109028018 A CN 109028018A CN 201810872334 A CN201810872334 A CN 201810872334A CN 109028018 A CN109028018 A CN 109028018A
- Authority
- CN
- China
- Prior art keywords
- hot box
- economizer
- chassis
- outlet flue
- service
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
- F22D1/04—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having plain outer surfaces, e.g. in vertical arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chimneys And Flues (AREA)
Abstract
The present invention provides a kind of boiler plant coal saving device of station-service that generates electricity, comprising: economizer hot box, chassis, cartridge filter, helix tube, smoke barrier and hanger；The inside of economizer hot box is arranged in the helix tube, and the top of helix tube is connected with water inlet pipe, and water inlet pipe is pierced by the top center of economizer hot box upwards, two groups are also connected at the top of the economizer hot box into petticoat pipe, the economizer hot box is connected with chassis by the bolt on connecting plate, seal washer A is additionally provided between the chassis and economizer hot box, the bottom of the helix tube is also connected with outlet pipe, and outlet pipe is passed down through economizer hot box and is pierced by the centre on chassis.Smoke barrier can form certain resistance to the flue gas to flow downward, increase the time of contact of flue gas and helix tube, improve the utilization rate of fume afterheat.The setting of cartridge filter pre-processes flue gas under the filtering of active carbon particle, mitigates the burden of post-processing.
Description
Technical field
The present invention relates to boiler fixture technical fields, more specifically, in particular to a kind of boiler for the station-service that generates electricity
Equipment coal saving device.
Background technique
Economizer (English name Economizer) be mounted to boiler back end ductwork lower part for recycle discharged fume it is remaining
Boiler feedwater, is heated into the heating surface of the saturated water under drum pressure by a kind of device of heat, since it absorbs high-temperature flue gas
Heat reduces the exhaust gas temperature of flue gas, saves the energy, improves efficiency, so referred to as economizer.
For example, application No. is: in the patent of CN201620125705.0, a kind of new type low temperature second level economizer is disclosed,
It is saved including low temperature second level economizer inlet header (1), low temperature second level economizer exit header (2), low temperature second level economizer higher level
Coal device (3), low temperature second level economizer junior's economizer (4), coiled pipe (5) and hanger (6), low temperature second level economizer exit header
(2) above low temperature second level economizer inlet header (1), low temperature second level economizer inlet header (1) and low temperature second level are saved for setting
Mei Qi junior economizer (4) is connected, low temperature second level economizer exit header (2) and low temperature second level economizer higher level economizer (3)
It is connected, is connected with coiled pipe on low temperature second level economizer higher level economizer (3), low temperature second level economizer junior's economizer (4)
(5), coiled pipe (5) is suspended on hanger (6)；The present invention realizes the exhaust gas temperature for reducing boiler, increases generated energy, reduces coal
Consumption, the purpose saved desulfurization water consume, protect chimney.
Therefore, exist in existing coal saving device: flue gas is when entering inside economizer, resistance that flue gas flows downward
Smaller circulation is too fast, only has the water in sub-fraction heat and pipeline to exchange heat in flue gas, and the utilization rate of waste heat in flue gas is lower, stream
Flue gas out is not also handled in advance, increases the difficult problem of later period fume treatment.
Summary of the invention
(1) technical problem
In conclusion the present invention provide it is a kind of generate electricity station-service boiler plant coal saving device, by structure with it is functional
It improves, to solve flue gas when entering inside economizer, the smaller circulation of the resistance that flue gas flows downward is too fast, remaining in flue gas
The lower problem of heat utilization efficiency.
(2) technical solution
The present invention provides a kind of boiler plant coal saving device of station-service that generates electricity, for improving the utilization of waste heat in flue gas
Rate.In the boiler plant coal saving device of power generation station-service provided by the invention, specifically include: economizer hot box, into petticoat pipe, out
Mouth A, chassis, seal washer A, petticoat pipe, outlet flue B, cartridge filter, sealing ring B, connecting plate, helix tube, water inlet pipe are discharged out
Pipe, smoke barrier and hanger；The inside of economizer hot box is arranged in the helix tube, and the top of helix tube is connected with into water
Pipe, and water inlet pipe is pierced by the top center of economizer hot box upwards, is also connected with two groups at the top of the economizer hot box
Into petticoat pipe, the lower edge of the economizer hot box and the upper end-face edge on chassis are welded with connecting plate, and economizer is heat-insulated
Case is connected with chassis by the bolt on connecting plate, and seal washer A, institute are additionally provided between the chassis and economizer hot box
The bottom for stating helix tube is also connected with outlet pipe, and outlet pipe is passed down through economizer hot box and is pierced by the centre on chassis.
Further, the bottom side of the economizer hot box is equipped with three groups of outlet flue A, and inlays in outlet flue A
There is sealing ring B.
Further, it also is provided with three groups of outlet flue B in the chassis, and is also inlaid with sealing ring B in outlet flue B.
Further, the bottom of the outlet flue B is also connected with out petticoat pipe.
Further, the outlet flue A and outlet flue B or more is opposite, and the upper and lower ends of cartridge filter are inserted respectively into out
In mouth A and outlet flue B.
Further, the two sides up and down of the cartridge filter are mesh-like structure, and active carbon is filled in cartridge filter
Particle.
Further, cross-shaped from top to bottom in the gap of the helix tube to be disposed with multiple groups smoke barrier, and keep off
Cigarette plate wears connection by the way that hanger is vertical up and down.
Further, the curved edge on the outside of the smoke barrier is attached on the inner wall of economizer hot box.
(3) beneficial effect
The present invention provides a kind of boiler plant coal saving device for generating electricity station-service can be to downward by being provided with smoke barrier
The flue gas of flowing forms certain resistance, reduces the speed that flue gas flows downward, and increases the time of contact of flue gas and helix tube, makes
More waste heats exchange heat with the water in pipeline in flue gas, further increase the utilization rate of fume afterheat.
The setting of cartridge filter, can be when flue gas flows through inside cartridge filter, can be pre- to flue gas under the filtering of active carbon particle
It first handles, can effectively mitigate the burden of post-processing.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is bottom side structure schematic diagram in Fig. 1 of the present invention；
Fig. 3 is the structural schematic diagram after chassis and economizer hot box are dismantled in Fig. 1 of the present invention；
Fig. 4 is the structural schematic diagram in Fig. 3 of the present invention after cartridge filter disassembly；
Fig. 5 is that structural schematic diagram is faced upward in side in Fig. 3 of the present invention；
Fig. 6 is enlarged structure schematic diagram at A of the invention；
Fig. 7 is the structural schematic diagram in Fig. 1 of the present invention inside economizer hot box；
Fig. 8 is the positive structure schematic in Fig. 7 of the present invention.
In Fig. 1 into Fig. 8, the corresponding relationship of component names or lines and accompanying drawing number are as follows:
Economizer hot box -1, into petticoat pipe -101, outlet flue A-102, chassis -2, seal washer A-201, petticoat pipe-out
202, outlet flue B-203, cartridge filter -3, sealing ring B-4, connecting plate -5, helix tube -6, water inlet pipe -601, outlet pipe -602, gear
Cigarette plate -7, hanger -8.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Fig. 1 is please referred to Fig. 8.
Flue gas is when entering inside economizer in order to solve in the prior art, the smaller circulation of the resistance that flue gas flows downward
It is too fast, the lower problem of utilization rate of waste heat in flue gas, the invention proposes a kind of boiler plant coal saving device of station-service that generates electricity,
For improving the utilization rate of waste heat in flue gas, comprising: economizer hot box 1, into petticoat pipe 101, outlet flue A102, chassis 2, sealing
Washer A201, petticoat pipe 202, outlet flue B203, cartridge filter 3, sealing ring B4, connecting plate 5, helix tube 6, water inlet pipe 601 are discharged out
Pipe 602, smoke barrier 7 and hanger 8；The inside of economizer hot box 1, and the top connection of helix tube 6 is arranged in the helix tube 6
There is water inlet pipe 601, and water inlet pipe 601 is pierced by the top center of economizer hot box 1, the top of the economizer hot box 1 upwards
Portion is also connected with two groups into petticoat pipe 101, and the lower edge of the economizer hot box 1 is welded with the upper end-face edge on chassis 2
Connecting plate 5, and economizer hot box 1 is connected with chassis 2 by the bolt on connecting plate 5, the chassis 2 and economizer are heat-insulated
Seal washer A201 is additionally provided between case 1, the bottom of the helix tube 6 is also connected with outlet pipe 602, and outlet pipe 602 is downward
Across economizer hot box 6 and it is pierced by the centre on chassis 2.
Wherein, the bottom side of economizer hot box 1 is equipped with three groups of outlet flue A102, and is inlaid in outlet flue A102
One end of cartridge filter 3 can be inserted into outlet flue A102 by sealing ring B4, and can be increased cartridge filter 3 by sealing ring B4 and be gone out
Leakproofness between mouth A102 makes flue gas all pass through cartridge filter 3 and flows.
Wherein, it also is provided with three groups of outlet flue B203 in chassis 2, and is also inlaid with sealing ring B4 in outlet flue B203, side
Just the other end of cartridge filter 3 is inserted into outlet flue B203, and using sealing ring B4 improve cartridge filter 3 and outlet flue B203 it
Between leakproofness.
Wherein, the bottom of outlet flue B203 is also connected with out petticoat pipe 202, facilitates the flue gas for collecting outlet flue B203 outflow.
Wherein, outlet flue A102 and outlet flue B203 or more is opposite, and the upper and lower ends of cartridge filter 3 are inserted respectively into smoke
In mouth A102 and outlet flue B203.
Wherein, the two sides up and down of cartridge filter 3 are mesh-like structure, and active carbon particle is filled in cartridge filter 3,
When flue gas is flowed into the inside of cartridge filter 3 by mesh-like structure, the active carbon particle inside cartridge filter 3 can be to flue gas at
Reason increases the effect of flue gas post-processing.
Wherein, cross-shaped from top to bottom in the gap of helix tube 6 to be disposed with multiple groups smoke barrier 7, and smoke barrier 7 is logical
It crosses that about 8 hanger is vertical to wear connection, the speed of flow of flue gas is stopped using baffle cigarette 7, when raising flue gas is with the contact of helix tube 6
Between, further increase the utilization rate of fume afterheat.
Wherein, the curved edge in 7 outside of smoke barrier is attached on the inner wall of economizer hot box 1.
The specifically used mode and effect of the present embodiment: in the present invention, the upper end of three groups of cartridge filters 3 is inserted into outlet flue
In A102, then make the bottom of alignment filter cylinder 3 in outlet flue B203 in chassis 2, and chassis 2 is passed through into the spiral shell on connecting plate 5
It tethers and is connected to 1 bottom side of economizer hot box, water inlet pipe 601 is connected to boiler water filling link, and outlet pipe 602 is connected to pot
Then furnace drum will be connected to boiler flue gas outlet into the pipeline on petticoat pipe 101, flue gas is entered in economizer hot box 1 and met
To smoke barrier 7 by certain resistance, slow down the speed to flow downward, increases the time of contact of flue gas and helix tube 6, make flue gas
In more waste heats exchange heat with the water in pipeline, further increase the utilization rate of fume afterheat, flue gas passes through outlet flue
A102 is entered in cartridge filter 3, under the filtering of 3 inside active carbon particle of cartridge filter, carries out primary treatment to flue gas, can be effective
Mitigation post-processing burden, and flowed in next stage processing equipment by going out petticoat pipe 202.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (8)
1. a kind of boiler plant coal saving device for the station-service that generates electricity, for improving the utilization rate of waste heat in flue gas, which is characterized in that packet
It includes: economizer hot box (1), into petticoat pipe (101), outlet flue A (102), chassis (2), and seal washer A (201), petticoat pipe out
(202), (203) outlet flue B, cartridge filter (3), sealing ring B (4), connecting plate (5), helix tube (6), water inlet pipe (601), water outlet
It manages (602), smoke barrier (7) and hanger (8)；The helix tube (6) is arranged in the inside of economizer hot box (1), and helix tube
(6) top is connected with water inlet pipe (601), and water inlet pipe (601) is pierced by the top center of economizer hot box (1), institute upwards
It states and is also connected with two groups at the top of economizer hot box (1) into petticoat pipe (101), the lower edge of the economizer hot box (1)
It is welded with connecting plate (5) with the upper end-face edge of chassis (2), and economizer hot box (1) and chassis (2) pass through connecting plate (5)
On bolt be connected, be additionally provided with seal washer A (201), the spiral between the chassis (2) and economizer hot box (1)
The bottom of pipe (6) is also connected with outlet pipe (602), and outlet pipe (602) is passed down through economizer hot box (6) and is pierced by chassis
(2) centre.
2. the boiler plant coal saving device of power generation station-service as described in claim 1, it is characterised in that: the economizer hot box
(1) bottom side is equipped with three groups of outlet flue A (102), and is inlaid with sealing ring B (4) in outlet flue A (102).
3. the boiler plant coal saving device of power generation station-service as described in claim 1, it is characterised in that: also set in the chassis (2)
There are three groups of outlet flue B (203), and is also inlaid with sealing ring B (4) in outlet flue B (203).
4. the boiler plant coal saving device of power generation station-service as described in claim 1, it is characterised in that: the outlet flue B (203)
Bottom is also connected with out petticoat pipe (202).
5. as described in claim 1 power generation station-service boiler plant coal saving device, it is characterised in that: the outlet flue A (102) with
Outlet flue B (203) is opposite up and down, and the upper and lower ends of cartridge filter (3) are inserted respectively into outlet flue A (102) and outlet flue B
(203) in.
6. as described in claim 1 power generation station-service boiler plant coal saving device, it is characterised in that: the cartridge filter (3) it is upper
Lower two sides are mesh-like structure, and active carbon particle is filled in cartridge filter (3).
7. the boiler plant coal saving device of power generation station-service as described in claim 1, it is characterised in that: the sky of the helix tube (6)
It is cross-shaped from top to bottom in gap to be disposed with multiple groups smoke barrier (7), and smoke barrier (7) indulges the company of wearing by hanger (8) up and down
It connects.
8. the boiler plant coal saving device of power generation station-service as described in claim 1, it is characterised in that: on the outside of the smoke barrier (7)
Curved edge be attached on the inner wall of economizer hot box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872334.6A CN109028018A (en) | 2018-08-02 | 2018-08-02 | The boiler plant coal saving device of power generation station-service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872334.6A CN109028018A (en) | 2018-08-02 | 2018-08-02 | The boiler plant coal saving device of power generation station-service |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109028018A true CN109028018A (en) | 2018-12-18 |
Family
ID=64648914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810872334.6A Pending CN109028018A (en) | 2018-08-02 | 2018-08-02 | The boiler plant coal saving device of power generation station-service |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109028018A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864569A (en) * | 2019-11-20 | 2020-03-06 | 大唐东营发电有限公司 | Unburned coal powder recovery device for power plant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005061771A (en) * | 2003-08-19 | 2005-03-10 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| CN104776422A (en) * | 2015-03-24 | 2015-07-15 | 江苏国强环保集团有限公司 | Integrated coal economizing and dust collection device |
| CN105716103A (en) * | 2014-12-02 | 2016-06-29 | 陕西子竹电子有限公司 | Heat exchanger for utilizing smoke gas waste heat to heat hot water device |
| CN207049977U (en) * | 2017-07-17 | 2018-02-27 | 天津市华之龙生物质能科技股份有限公司 | It is a kind of can be by the fume dust remover of biomass boiler waste heat recovery |
-
2018
- 2018-08-02 CN CN201810872334.6A patent/CN109028018A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005061771A (en) * | 2003-08-19 | 2005-03-10 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| CN105716103A (en) * | 2014-12-02 | 2016-06-29 | 陕西子竹电子有限公司 | Heat exchanger for utilizing smoke gas waste heat to heat hot water device |
| CN104776422A (en) * | 2015-03-24 | 2015-07-15 | 江苏国强环保集团有限公司 | Integrated coal economizing and dust collection device |
| CN207049977U (en) * | 2017-07-17 | 2018-02-27 | 天津市华之龙生物质能科技股份有限公司 | It is a kind of can be by the fume dust remover of biomass boiler waste heat recovery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864569A (en) * | 2019-11-20 | 2020-03-06 | 大唐东营发电有限公司 | Unburned coal powder recovery device for power plant |
| CN110864569B (en) * | 2019-11-20 | 2021-08-06 | 大唐东营发电有限公司 | Unburned coal powder recovery device for power plant |
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Application publication date: 20181218 |