CN207422653U - A kind of more return stroke wet back type boilers - Google Patents
A kind of more return stroke wet back type boilers Download PDFInfo
- Publication number
- CN207422653U CN207422653U CN201721277288.2U CN201721277288U CN207422653U CN 207422653 U CN207422653 U CN 207422653U CN 201721277288 U CN201721277288 U CN 201721277288U CN 207422653 U CN207422653 U CN 207422653U
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- CN
- China
- Prior art keywords
- backhaul
- flue
- outlet
- tube bank
- smoke
- 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.)
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a kind of more return stroke wet back type boilers,Including furnace body and burner,Furnace interior is provided with flue,Water containing chamber,Return combustion chamber,Front smoke box,Second backhaul is restrained,3rd backhaul is restrained and rear smoke box,Afterwards energy-saving appliance and condenser are provided in smoke box,Burner is arranged on outside furnace body and is connected with the import of flue,The outlet of flue is connected with the import of return combustion chamber,The outlet of return combustion chamber is connected with the input end of the second backhaul tube bank,The port of export of second backhaul tube bank is connected with the import of front smoke box,The input end of 3rd backhaul tube bank is connected with the outlet of front smoke box,The port of export of 3rd backhaul tube bank is connected with rear smoke box,Condenser includes smoke pipe and heat exchanger tube,Smoke pipe is provided with smoke inlet and outlet flue,Smoke inlet is connected with energy-saving appliance,Heat exchanger tube is fixedly connected on the outside of smoke pipe,Inlet and outlet are provided on heat exchanger tube,Water outlet is connected with water containing chamber.The utility model has many advantages, such as that flue gas backhaul is long, and heat exchanger effectiveness is high.
Description
Technical field
The utility model is related to a kind of boiler, more particularly, to a kind of more return stroke wet back type boilers.
Background technology
Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy, high-temperature flue gas in fuel
The forms such as thermal energy, and pass through boiler and convert, outwards steam, high-temperature water or organic heat carrier of the output with certain thermal energy.
There are following defects for existing boiler：1st, flue is arranged below furnace body, belongs to eccentric design, this design makes flue
Temperature is relatively low, adds the unburnt uncertainty of combustion gas；2nd, flue gas backhaul is short, and the flue-gas temperature of discharge is high, and thermal energy is handed over
It is low to change efficiency, utilization rate, is unfavorable for energy conservation and environmental protection；3rd, various impurity can be accumulated in backhaul tube bank, is difficult to after adhering to for a long time clear
It washes, presence for a long time can influence heat exchange efficiency.
The content of the invention
It, can the purpose of the utility model is to overcome a kind of more return stroke wet back type boilers the shortcomings that the prior art, are provided
Improve heat exchanger effectiveness.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of more return stroke wet back type boilers, bag
Furnace body and burner are included, the furnace interior is provided with flue, water containing chamber, return combustion chamber, front smoke box, the second backhaul tube bank, the 3rd
Backhaul is restrained and rear smoke box, is provided with energy-saving appliance and condenser after described in smoke box, and the energy-saving appliance and the condenser are along cigarette
Gas discharge direction is successively arranged, the inlet valve and outlet valve being connected with the water containing chamber are provided at the top of the furnace body, described
Second backhaul tube bank is arranged on the flue both sides, the burner be arranged on the furnace body it is outer and with the import phase of the flue
Connection, the outlet of the flue are connected with the import of the return combustion chamber, the outlet of the return combustion chamber and second return duct
The input end of beam is connected, and the port of export of the second backhaul tube bank is connected with the import of the front smoke box, described 3rd time
The input end of journey tube bank is connected with the outlet of the front smoke box, the port of export of the 3rd backhaul tube bank and the rear smoke box phase
Connection, the condenser include smoke pipe and heat exchanger tube, and the smoke pipe is provided with smoke inlet and outlet flue, the smoke inlet with it is described
Energy-saving appliance is connected, and heat exchanger tube is fixedly connected on the outside of the smoke pipe, inlet and outlet are provided on the heat exchanger tube,
The water outlet is connected with the water containing chamber, and cleaning sprayer is provided at the front smoke box, and the cleaning sprayer extends to institute
State the end of the second backhaul tube bank and the 3rd backhaul tube bank.
Further, the quantity of the cleaning sprayer is restrained with second backhaul and total quantity is restrained in the 3rd backhaul
It is identical.
Further, the shape of the flue is tubular and outer wall is corrugated.
Further, the surface of the heat exchanger tube is provided with fin.
Further, it is provided with smoke filtration net in the outlet flue.
The utility model has the advantages and positive effects of：Due to the adoption of the above technical scheme, high-temperature flue gas is made with holding
Water in water cavity fully exchanges heat, and flue is located in the middle part of furnace body, flue temperature is added, avoids combustion gas in flue incomplete
Burning enhances efficiency of combustion, and flue gas backhaul is long, heat exchanger effectiveness is high；Set cleaning sprayer can be in time at front smoke box
Backhaul tube bank is cleaned, removes impurity to improve heat exchange efficiency；Moisturizing is carried out to water containing chamber by the heat exchanger tube of condenser,
Boiler thermal efficiency is improved, the pernicious gas in flue gas is dissolved in the condensation of vapor in liquid water within the condenser, so as to drop
The content of pernicious gas in low smoke evacuation tail gas.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model condenser structure schematic diagram.
In figure：
1st, furnace body 2, burner 3, flue
4th, water containing chamber 5, return combustion chamber 6, front smoke box
7th, the 8, the 3rd backhaul tube bank 9, rear smoke box are restrained in the second backhaul
10th, energy-saving appliance 11, condenser 111, smoke pipe
112nd, heat exchanger tube 113, smoke inlet 114, outlet flue
115th, water inlet 116, water outlet 12, inlet valve
13rd, outlet valve 14, cleaning sprayer
Specific embodiment
The utility model is described further with reference to embodiment and attached drawing.
As depicted in figs. 1 and 2, the present embodiment provides a kind of more return stroke wet back type boilers, including furnace body 1 and burner 2, stove
Body 1 is internally provided with flue 3, water containing chamber 4, return combustion chamber 5, front smoke box 6, the second backhaul the 7, the 3rd backhaul of tube bank tube bank 8 and rear cigarette
Case 9, is provided with energy-saving appliance 10 and condenser 11 in rear smoke box 9, and energy-saving appliance 10 and condenser 11 are along flue gas discharge direction priority cloth
It puts, 1 top of furnace body is provided with the inlet valve 12 being connected with water containing chamber 4 and outlet valve 13, and the second backhaul tube bank 7 is arranged on flue
3 both sides, the 3rd backhaul tube bank 8 are arranged on 4 upper end of water containing chamber.
Burner 2 is arranged on outside furnace body 1 and is connected with the import of flue 3, the outlet of flue 3 and the import of return combustion chamber 5
It is connected, the outlet of return combustion chamber 5 is connected with the input end of the second backhaul tube bank 7, the port of export and preceding cigarette of the second backhaul tube bank 7
The import of case 6 is connected, and the input end of the 3rd backhaul tube bank 8 is connected with the outlet of front smoke box 6, and the 3rd backhaul tube bank 8 goes out
Mouth end is connected with rear smoke box 9.
Condenser 11 includes smoke pipe 111 and heat exchanger tube 112, and smoke pipe 111 is provided with smoke inlet 113 and outlet flue 114, into cigarette
Mouth 113 is connected with energy-saving appliance 10, and the outside of smoke pipe 11 is fixedly connected with heat exchanger tube 112, and water inlet is provided on heat exchanger tube 112
115 and water outlet 116, water outlet 115 be connected with water containing chamber 4, cleaning sprayer 14, cleaning sprayer 14 are provided at front smoke box 6
Extend to the end of the second backhaul tube bank 7 and the 3rd backhaul tube bank 8.The surface of heat exchanger tube 112 is provided with fin, outlet flue 114
Inside it is provided with smoke filtration net.
The quantity of cleaning sprayer 14 is identical with the second backhaul tube bank 7 and the 3rd backhaul 8 total quantitys of tube bank.
The shape of flue 3 is tubular and outer wall is corrugated.
The course of work of this example：Gaseous fuel and air mix in burner 2 first, and are ejected into 3 internal combustion of flue
It burns, thermal-flame and flue gas and the flue 3 of generation of burning carry out radiation heat transfer, transfer heat in 3 outside water containing chamber 4 of flue
Water in.Then flue gas through flue 3 into after 5 further completely burned of return combustion chamber, high-temperature flue gas by the second backhaul tube bank 7,
6 and the 3rd backhaul of front smoke box tube bank 8, the second backhaul tube bank 7 and the 3rd backhaul restrain 8 water into water containing chamber 4 and exchange heat.It
Energy-saving appliance 10 of the flue gas from the 3rd backhaul tube bank 8 into rear smoke box afterwards, subsequently enters condenser 11, the smoke inlet through smoke pipe 111
113, into cigarette, discharge, 4 moisturizing of water containing chamber is intake by the water inlet 115 of heat exchanger tube 112,116 water outlet of water outlet from outlet flue 114
After reenter in water containing chamber 4, this process supplements about 80 degree or so of water to water containing chamber 4, improves the thermal efficiency of boiler, flue gas
It is discharged after the smoke filtration net filtration in outlet flue 114.In the intervals of business, cleaning sprayer 14 is opened, to the second backhaul tube bank 7
It is rinsed with the 3rd backhaul tube bank 8, removes impurity.
The beneficial effects of the utility model are：Due to the adoption of the above technical scheme, high-temperature flue gas and the water in water containing chamber are made
It fully exchanges heat, flue is located in the middle part of furnace body, flue temperature is added, avoids combustion gas imperfect combustion in flue, enhance
Efficiency of combustion, and flue gas backhaul is long, heat exchanger effectiveness is high；Set cleaning sprayer that can restrain in time backhaul at front smoke box
It is cleaned, removes impurity to improve heat exchange efficiency；Moisturizing is carried out to water containing chamber by the heat exchanger tube of condenser, improves boiler hot
Efficiency, the pernicious gas in flue gas is dissolved in the condensation of vapor in liquid water within the condenser, so as to reduce smoke evacuation tail
The content of pernicious gas in gas.
One or more embodiments of the utility model are described in detail above, but the content is only this practicality
New preferred embodiment, it is impossible to be construed as limiting the scope of the utility model.It is all according to present utility model application model
Made all the changes and improvements etc. are enclosed, should all still be belonged within the patent covering scope of the utility model.
Claims (5)
1. a kind of more return stroke wet back type boilers, including furnace body and burner, it is characterised in that：The furnace interior is provided with stove
Courage, water containing chamber, return combustion chamber, front smoke box, the second backhaul tube bank, the 3rd backhaul tube bank and rear smoke box, are provided with after described in smoke box
Energy-saving appliance and condenser, the energy-saving appliance and the condenser are successively arranged along flue gas discharge direction, are set at the top of the furnace body
There are the inlet valve and outlet valve being connected with the water containing chamber, the second backhaul tube bank is arranged on the flue both sides, described
Burner is arranged on that the furnace body is outer and be connected with the import of the flue, the outlet of the flue and the return combustion chamber into
Mouth is connected, and the outlet of the return combustion chamber is connected with the input end of second backhaul tube bank, the second backhaul tube bank
The port of export is connected with the import of the front smoke box, and the input end of the 3rd backhaul tube bank is connected with the outlet of the front smoke box
It connects, the port of export of the 3rd backhaul tube bank is connected with the rear smoke box, and the condenser includes smoke pipe and heat exchanger tube, described
Smoke pipe is provided with smoke inlet and outlet flue, and the smoke inlet is connected with the energy-saving appliance, is fixedly connected on the outside of the smoke pipe
There is heat exchanger tube, inlet and outlet are provided on the heat exchanger tube, the water outlet is connected with the water containing chamber, before described
Cleaning sprayer is provided at smoke box, the cleaning sprayer extends to the end of the second backhaul tube bank and the 3rd backhaul tube bank
Portion.
2. more return stroke wet back type boilers according to claim 1, it is characterised in that：The quantity of the cleaning sprayer with it is described
Second backhaul is restrained and the 3rd backhaul tube bank total quantity is identical.
3. more return stroke wet back type boilers according to claim 1, it is characterised in that：The shape of the flue is tubular and outer
Wall is corrugated.
4. more return stroke wet back type boilers according to claim 1, it is characterised in that：The surface of the heat exchanger tube is provided with wing
Piece.
5. more return stroke wet back type boilers according to claim 1, it is characterised in that：Flue gas mistake is provided in the outlet flue
Strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277288.2U CN207422653U (en) | 2017-09-30 | 2017-09-30 | A kind of more return stroke wet back type boilers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277288.2U CN207422653U (en) | 2017-09-30 | 2017-09-30 | A kind of more return stroke wet back type boilers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207422653U true CN207422653U (en) | 2018-05-29 |
Family
ID=62313313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721277288.2U Expired - Fee Related CN207422653U (en) | 2017-09-30 | 2017-09-30 | A kind of more return stroke wet back type boilers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207422653U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631477A (en) * | 2017-09-30 | 2018-01-26 | 天津征鑫热能设备制造有限公司 | A kind of preparation method of more return stroke wet back type boilers |
| CN112013380A (en) * | 2020-08-06 | 2020-12-01 | 中国科学院广州能源研究所 | Special-shaped flow equalizing burnout chamber of gas and oil boiler |
-
2017
- 2017-09-30 CN CN201721277288.2U patent/CN207422653U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631477A (en) * | 2017-09-30 | 2018-01-26 | 天津征鑫热能设备制造有限公司 | A kind of preparation method of more return stroke wet back type boilers |
| CN112013380A (en) * | 2020-08-06 | 2020-12-01 | 中国科学院广州能源研究所 | Special-shaped flow equalizing burnout chamber of gas and oil boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20190930 |