CN207797002U - A kind of boiler waste heat recovery plant - Google Patents
A kind of boiler waste heat recovery plant Download PDFInfo
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- CN207797002U CN207797002U CN201820167398.1U CN201820167398U CN207797002U CN 207797002 U CN207797002 U CN 207797002U CN 201820167398 U CN201820167398 U CN 201820167398U CN 207797002 U CN207797002 U CN 207797002U
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- oxygen
- boiler
- tank
- eliminating device
- pipe
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Abstract
The utility model is related to a kind of boiler waste heat recovery plants, water tank is internally provided with heat exchange coil, the side of water tank is provided with tank inlet pipe, the other side is provided with radiator drain, the radiator drain is connected to oxygen-eliminating device, oxygen-eliminating device is connected to boiler by oxygen-eliminating device outlet pipe, Boiler Steam exhaust pipe is provided on boiler, Boiler Steam exhaust pipe is connected to the sub-cylinder, sub-cylinder is connected to heat exchange coil import and oxygen-eliminating device in water tank by the first steam pipe, the second steam pipe respectively, it is characterised in that：Further include collecting-tank, heat exchange coil outlet is connected to collecting-tank by condensate pipe, and water tank bottom is connected to collecting-tank bottom end by return pipe, and oxygen-eliminating device is connected to collecting-tank by oxygen-eliminating device steam exhaust pipe.The utility model scientific structure design is reasonable, and component connection is compact, can realize the recycling of water tank condensed water and oxygen-eliminating device steam waste heat, saves heating energy source, and boiler deoxidizing method effect is good, effectively prevent boiler oxygen corrosion.
Description
Technical field
The utility model belongs to heat recovery technology field, is related to boiler afterheat recycling, more particularly to a kind of boiler waste heat returns
Receiving apparatus.
Background technology
Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy in fuel, boiler output
Steam, high-temperature water with certain thermal energy or organic heat carrier.Boiler will produce a certain amount of hot steam during the work time, existing
Stage hot steam is discharged to the external world by steam pipework, is not recycled well.
And a large amount of heat of boiler need of work and fuel, with the requirement of environmental protection of enterprise, the selection of fuel is also by one
Definite limitation, fuel use cost are got higher.If the hot steam that boiler generates can be recycled, for entering in boiler
The preheating of cold water can greatly save boiler oil use, reduce enterprise's input cost, reduce energy waste, realize the energy
Maximally utilize.
By the retrieval to patent document, patent document identical with present patent application is not found.
Invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, and water tank condensed water can be realized and remove by providing one kind
Heating energy source is saved in the recycling of oxygen device steam waste heat, and boiler deoxidizing method effect is good, effectively prevent the pot of boiler oxygen corrosion
Stove waste heat recovery plant.
The utility model solves its technical problem and is achieved through the following technical solutions：
A kind of boiler waste heat recovery plant, including water tank, oxygen-eliminating device, sub-cylinder and boiler, water tank are internally provided with heat exchange
The side of coil pipe, the water tank is provided with tank inlet pipe, and the other side is provided with radiator drain, the radiator drain connection
To the oxygen-eliminating device, the oxygen-eliminating device is connected to the boiler by oxygen-eliminating device outlet pipe, and boiler steaming is provided on the boiler
Vapour exhaust pipe, the Boiler Steam exhaust pipe are connected to the sub-cylinder, and the sub-cylinder passes through the first steam pipe, second respectively
Steam pipe is connected to heat exchange coil import and oxygen-eliminating device in water tank, it is characterised in that：Further include collecting-tank, the heat exchange coil
Outlet is connected to collecting-tank by condensate pipe, and the water tank bottom is connected to collecting-tank bottom end, the deoxygenation by return pipe
Device is connected to the collecting-tank by oxygen-eliminating device steam exhaust pipe.
Moreover, the oxygen-eliminating device steam exhaust pipe is equipped with thermo-jet close to one end of collecting-tank.
Moreover, being provided with back water pump on the return pipe.
Moreover, being provided with ball-cock assembly in the collecting-tank, the ball-cock assembly is connected to the back water pump.
It the advantages of the utility model and has the beneficial effect that：
1, the boiler waste heat recovery plant of the utility model, including collecting-tank, heat exchange coil outlet are connected by condensate pipe
It is connected to collecting-tank, water tank bottom is connected to collecting-tank bottom end by return pipe, and oxygen-eliminating device is connected by oxygen-eliminating device steam exhaust pipe
To collecting-tank, the condensed water that water tank heat exchange generates in collecting-tank mix changing with the hot steam that oxygen-eliminating device is discharged
Heat, and the higher water of temperature after heat exchange is delivered in water tank, initial water temperature in water tank is improved, boiler energy is reduced and uses,
Energy utilization rate is improved, and boiler deoxidizing method effect is good, effectively prevent boiler oxygen corrosion.
2, the boiler waste heat recovery plant of the utility model, oxygen-eliminating device steam exhaust pipe are equipped with close to one end of collecting-tank
Thermo-jet, promotion hot steam and condensed water are sufficiently mixed heat exchange, improve heat exchange efficiency, and will not generate and shake to collecting-tank
Dynamic impact.
3, the boiler waste heat recovery plant of the utility model is provided with back water pump on return pipe, promotes collecting-tank after heat exchange
The conveying of interior water improves working efficiency.
4, the boiler waste heat recovery plant of the utility model is provided with ball-cock assembly in collecting-tank, which is connected to back
Water pump, when reaching the water level upper limit, ball-cock assembly control recycling control pump is opened, the water filling into water tank；When drawdown to lower limit
When, ball-cock assembly control back water pump is stopped, and remains that collecting-tank has a certain amount of water storage, convenient for heat exchange.
5, the utility model scientific structure design is reasonable, and component connection is compact, can realize water tank condensed water and oxygen-eliminating device
Heating energy source is saved in the recycling of steam waste heat, and boiler deoxidizing method effect is good, effectively prevent boiler oxygen corrosion.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Reference sign
1- tank inlet pipes, the import of 2- heat exchange coils, the first steam pipes of 3-, 4- radiator drains, 5- sub-cylinders, 6- pots
Stove, 7- Boiler Steams exhaust pipe, 8- oxygen-eliminating devices outlet pipe, the second steam pipes of 9-, 10- oxygen-eliminating devices, 11- oxygen-eliminating device steam exhaust-gas
Pipe, 12- thermo-jets, 13- collecting-tanks, 14- ball-cock assemblys, 15- back water pumps, 16- return pipes, 17- condensate pipes, 18- heat exchange
Coil outlets, 19- heat exchange coils, 20- water tanks.
Specific implementation mode
Below by specific embodiment, the utility model is described in further detail, following embodiment be it is descriptive, no
It is restrictive, protection scope of this utility model cannot be limited by this.
A kind of boiler waste heat recovery plant, including water tank 20, oxygen-eliminating device 10, sub-cylinder 5 and boiler 6, the setting of water tank inside
There are heat exchange coil 19, the side of water tank to be provided with tank inlet pipe 1, the other side is provided with radiator drain 4, and radiator drain connects
Oxygen-eliminating device is passed to, oxygen-eliminating device is connected to boiler by oxygen-eliminating device outlet pipe 8, Boiler Steam exhaust pipe 7, boiler are provided on boiler
Steam exhaust pipe is connected to sub-cylinder, and sub-cylinder is connected to changing in water tank by the first steam pipe 3, the second steam pipe 9 respectively
Hot coil import 2 and oxygen-eliminating device, innovation are：Further include collecting-tank 13, heat exchange coil outlet 18 passes through condensate pipe
17 are connected to collecting-tank, and water tank bottom is connected to collecting-tank bottom end by return pipe 16, and oxygen-eliminating device passes through oxygen-eliminating device steam exhaust-gas
Pipe 11 is connected to collecting-tank, can carry out the hot steam that the condensed water that water tank heat exchange generates is discharged with oxygen-eliminating device in collecting-tank
Mixed heat transfer, and the higher water of temperature after heat exchange is delivered in water tank, initial water temperature in water tank is improved, boiler energy is reduced
It uses, improves energy utilization rate, and boiler deoxidizing method effect is good, effectively prevent boiler oxygen corrosion.
Oxygen-eliminating device steam exhaust pipe is equipped with thermo-jet 12 close to one end of collecting-tank, promotes hot steam and condensed water
Be sufficiently mixed heat exchange, improve heat exchange efficiency, and vibratory impulse will not be generated to collecting-tank.
Back water pump 15 is provided on return pipe, the conveying for the pool inner water that catchments after promotion heat exchange improves working efficiency.
Ball-cock assembly 14 is provided in collecting-tank, which is connected to back water pump, the ball-cock assembly control when reaching the water level upper limit
System recycling control pump is opened, the water filling into water tank；When drawdown is to lower limit, ball-cock assembly control back water pump is stopped, and begins
Collecting-tank is kept to have a certain amount of water storage eventually, convenient for heat exchange.
The operation principle of the utility model is：
The condensed water that water tank heat exchange generates is expelled to by condensate pipe in collecting-tank, the hot steam in oxygen-eliminating device passes through
Oxygen-eliminating device steam exhaust pipe and its thermo-jet of end set are discharged in collecting-tank, and condensed water is with hot steam in collecting-tank
Interior carry out mixed heat transfer；When water level reaches the upper limit in collecting-tank, ball-cock assembly control recycling control pump is opened, and is noted into water tank
Water improves initial water temperature in water tank, reduces boiler energy and uses, improves energy utilization rate, and boiler deoxidizing method effect is good, effectively anti-
Only boiler oxygen corrosion；When water level falls on lower limit in collecting-tank, ball-cock assembly control back water pump is stopped, and remains collecting-tank
There is a certain amount of water storage, convenient for heat exchange.
Although disclosing the embodiments of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be with
Understand：It is not departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications are all can
Can, therefore, the scope of the utility model is not limited to embodiment and attached drawing disclosure of that.
Claims (4)
1. a kind of boiler waste heat recovery plant, including water tank, oxygen-eliminating device, sub-cylinder and boiler, water tank are internally provided with heat exchange plate
Pipe, the side of the water tank are provided with tank inlet pipe, and the other side is provided with radiator drain, and the radiator drain is connected to
The oxygen-eliminating device, the oxygen-eliminating device are connected to the boiler by oxygen-eliminating device outlet pipe, Boiler Steam are provided on the boiler
Exhaust pipe, the Boiler Steam exhaust pipe are connected to the sub-cylinder, and the sub-cylinder is steamed by the first steam pipe, second respectively
Steam pipe is connected to heat exchange coil import and oxygen-eliminating device in water tank, it is characterised in that：Further include collecting-tank, the heat exchange coil goes out
Mouth is connected to collecting-tank by condensate pipe, and the water tank bottom is connected to collecting-tank bottom end, the oxygen-eliminating device by return pipe
It is connected to the collecting-tank by oxygen-eliminating device steam exhaust pipe.
2. boiler waste heat recovery plant according to claim 1, it is characterised in that：The oxygen-eliminating device steam exhaust pipe is close
One end of collecting-tank is equipped with thermo-jet.
3. boiler waste heat recovery plant according to claim 1, it is characterised in that：It is provided with return water on the return pipe
Pump.
4. boiler waste heat recovery plant according to claim 3, it is characterised in that：It is provided with floating ball in the collecting-tank
Valve, the ball-cock assembly are connected to the back water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820167398.1U CN207797002U (en) | 2018-01-31 | 2018-01-31 | A kind of boiler waste heat recovery plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820167398.1U CN207797002U (en) | 2018-01-31 | 2018-01-31 | A kind of boiler waste heat recovery plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207797002U true CN207797002U (en) | 2018-08-31 |
Family
ID=63267016
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820167398.1U Active CN207797002U (en) | 2018-01-31 | 2018-01-31 | A kind of boiler waste heat recovery plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN207797002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827454A (en) * | 2019-01-26 | 2019-05-31 | 杭州富阳永星化工有限公司 | A kind of vapor recycling system |
-
2018
- 2018-01-31 CN CN201820167398.1U patent/CN207797002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827454A (en) * | 2019-01-26 | 2019-05-31 | 杭州富阳永星化工有限公司 | A kind of vapor recycling system |
| CN109827454B (en) * | 2019-01-26 | 2021-01-08 | 杭州富阳永星化工有限公司 | Steam recycling system |
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