CN201053752Y - Zigzag stream type coal-fired hot-water boiler - Google Patents
Zigzag stream type coal-fired hot-water boiler Download PDFInfo
- Publication number
- CN201053752Y CN201053752Y CNU2007200114309U CN200720011430U CN201053752Y CN 201053752 Y CN201053752 Y CN 201053752Y CN U2007200114309 U CNU2007200114309 U CN U2007200114309U CN 200720011430 U CN200720011430 U CN 200720011430U CN 201053752 Y CN201053752 Y CN 201053752Y
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- fire door
- chuck
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- convection section
- heat transfer
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Abstract
A baffle type coal-burning hot-water boiler is provided with a jacket furnace wall, wherein, the front part of a hearth is a radiation section and the rear part is a convection section; a jacket baffle is arranged between the two sections; the upper part of the radiation section is provided with a heat transfer tube; the side wall of the radiation section is provided with a coal inlet door and a slag-removal door; the lower part of the radiation section is provided with a fire bar; the lower part of the fire bar is provided with a slag chamber; the side wall of the slag chamber is provided with an ash-removal door; a convection section is provided with a jacket baffle board which divides the convection section into a front section and a rear section; the lower parts of the front convection section and the rear convection section are provided with a channel; the convection section is provided with a heat transfer tube; the upper part of a jacket furnace wall is provided with a hot-water outlet, and the lower part is provided with a cold-water inlet; the rear end of the convection section is provided with a vent; and the lower part of the hearth is provided with a slag-removal door. The upper part of the radiation section of the utility model is provided with the heat transfer tube, the convection section is provided with a downward flow and an upward flow, and high temperature flue gas makes a full convection heat transfer with the jacket furnace wall and the heat transfer tube, with high thermal efficiency; and the slag inside the hearth is easy to be taken out from the slag-removal door.
Description
Technical field
The utility model relates to the heat convection section of a kind of coal-fired hot-water boiler, particularly a kind of coal-fired hot-water boiler.
Background technology
The body of heater of coal-fired hot-water boiler is a cylindrical shape or cube shaped, coal-fired hot-water boiler has the chuck furnace wall, chuck has burner hearth in the furnace wall, continuous radiation heat transfer section and heat convection section are arranged in the burner hearth, between the radiation heat transfer section of some coal-fired hot-water boiler and the heat convection section chuck dividing plate is arranged, the sidewall of radiation of burner hearth heat exchanging segment has coal filling hole and breast hole, inboard wall of burner hearth in the radiation heat transfer section can have refractory insulating layer, there is fire grate the below of radiation heat transfer section, the fire grate below is a cinder chamber, cinder chamber's sidewall has ash disposal mouth and a wind inlet, the burner hearth sidewall of radiation heat transfer section has the secondary wind inlet, the heat convection section has heat exchanger, heat exchanger can be that the chuck plate also can be a tubulation, and chuck plate or tubulation communicate with the chuck furnace wall respectively, and there is hot water outlet the top of chuck furnace wall, there is cooling water inlet the below of chuck furnace wall, and there is exhaust opening the rear end of heat convection section.In the prior art, the heat convection section has only the flow process of a direction, and flow process is shorter, elevated temperature heat flue gas stream is only in heat convection section and the chuck plate in the heat convection section or the tubulation heat exchange of a direction flow process, and heat convection is insufficient, and exhaust gas temperature is higher, the thermal efficiency is lower, and coal consumption is higher; In addition, chuck plate or the easy fouling of tubulation outer wall in the heat convection section, influence is conducted heat, though fouling can be removed with scale remover or scale removal rubbing board, the dirty slag of falling in the burner hearth is difficult for taking out.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned deficiency, propose a kind ofly to take out easily to falling into dirty slag in the burner hearth after removing, heat convection fully, the higher deflector type coal-fired hot-water boiler of the thermal efficiency.
The utility model is realized with the following method.
The deflector type coal-fired hot-water boiler has horizontal cube shaped body of heater, the upper wall surface of body of heater and four side wall surfaces are chuck furnace walls, chuck has burner hearth in the furnace wall, the front portion of burner hearth is the radiation heat transfer section, the rear portion of burner hearth is the heat convection section that links to each other with the radiation heat transfer section, between radiation heat transfer section and the heat convection section chuck dividing plate is arranged, there is heat exchanging pipe the top of radiation heat transfer section, the sidewall of radiation heat transfer section has the coal stove door of adding and scarfing cinder fire door, there is fire grate the below of radiation heat transfer section, the fire grate below is a cinder chamber, and cinder chamber's sidewall has the ash disposal fire door, and the chuck deflection plate is arranged in the heat convection section, before the chuck deflection plate is divided into the heat convection section, two sections of backs, before, there is passage the below of back heat convection section, and the heat convection section has heat exchanging pipe, and there is hot water outlet the top of chuck furnace wall, there is cooling water inlet the below of chuck furnace wall, there is exhaust opening the rear end of heat convection section, and is preceding, the sidewall of back heat convection section below has scale removal slag hearth door, heat exchanging pipe, chuck dividing plate and chuck deflection plate communicate with the chuck furnace wall respectively.
Before the use, in the boiler chuck, be full of water.During boiler work, burn on the fire grate of coal radiation heat transfer section in burner hearth, the chuck furnace wall of a radiation heat transfer Duan Yusi side wall surface and above heat exchanging pipe finish heat exchange after, high-temperature flue gas is because of the isolation of chuck dividing plate, upwards enter the heat convection section, at the baffling of heat convection section because of the chuck deflection plate, the heat convection section is divided into two flow processs that make progress again successively downwards, the elevated temperature heat flue gas flows through in burner hearth downwards successively, upwards the chuck furnace wall and the heat exchanging pipe of two flow processs and four side wall surfaces carry out convective heat exchange, heat convection is abundant, exhaust gas temperature is lower, and the thermal efficiency is higher; Hot flue gas after the cooling is discharged through exhaust opening.In addition, the sidewall of the below of heat convection section has scale removal slag hearth door, and the dirty slag of removing in the burner hearth can take out from scale removal slag hearth door easily.
Below in conjunction with accompanying drawing, the utility model is further described.
Description of drawings
Fig. 1 is that schematic diagram cuts open in the master office of looking of deflector type coal-fired hot-water boiler;
Fig. 2 is the A-A cross-sectional schematic of Fig. 1;
Fig. 3 is that exhaust opening is looked schematic diagram the master of the deflector type coal-fired hot-water boiler of side, heat convection section rear end;
Fig. 4 is the main cross-sectional schematic with deflector type coal-fired hot-water boiler of two relative burner hearths;
Fig. 5 has the master office of looking of the deflector type coal-fired hot-water boiler of individual layer helix tube to cut open schematic diagram in the cylindrical outer cover of exhaust opening;
Fig. 6 is that exhaust opening is that schematic diagram cuts open in the master office of looking of the deflector type coal-fired hot-water boiler of jacket type cylinder exhaust opening;
Fig. 7 is that the master with swing type hook fire door looks schematic diagram;
Fig. 8 is that schematic diagram cuts open in the office of overlooking of Fig. 7;
Fig. 9 is that the A of Fig. 7 is to schematic diagram.
The specific embodiment
Fig. 1, among Fig. 2, the deflector type coal-fired hot-water boiler has horizontal cube shaped body of heater 1, the upper wall surface of body of heater and four side wall surfaces are chuck furnace walls 2, chuck has burner hearth in the furnace wall, the front portion of burner hearth is a radiation heat transfer section 3, the rear portion of burner hearth is the heat convection section 4 that links to each other with the radiation heat transfer section, between radiation heat transfer section and the heat convection section chuck dividing plate 5 is arranged, there is heat exchanging pipe 6 top of radiation heat transfer section, the front side wall of radiation heat transfer section has coal stove door of adding 7 and scarfing cinder fire door 8, there is fire grate 9 below of radiation heat transfer section, the fire grate below is a cinder chamber 10, cinder chamber's sidewall has ash disposal fire door 11, chuck deflection plate 12 is arranged in the heat convection section, before the chuck deflection plate is divided into the heat convection section, two section 13 of back, 14, before, there is passage 15 below of back heat convection section, the heat convection section has heat exchanging pipe 16, there is hot water outlet 17 top of chuck furnace wall, there is cooling water inlet 18 below of chuck furnace wall, there is exhaust opening 19 top of back heat convection section, before, the sidewall of back heat convection section below has scale removal slag hearth door 34, above-mentioned heat exchanging pipe, chuck dividing plate and chuck deflection plate communicate with the chuck furnace wall respectively.
The exhaust opening of above-mentioned deflector type coal-fired hot-water boiler is above the heat convection section of back.The exhaust opening of deflector type coal-fired hot-water boiler also can be the side in back heat convection section.
Among Fig. 3, the exhaust opening 20 of deflector type coal-fired hot-water boiler is in the back side of back heat convection section.
In order to improve the heat capacity of coal-fired hot-water boiler, the deflector type coal-fired hot-water boiler can have two relative burner hearths, and two relative burner hearths have shared back heat convection section.
Among Fig. 4, the deflector type coal-fired hot-water boiler has relative two burner hearths 24,25, and two relative burner hearths have radiation heat transfer section and preceding heat convection section respectively, and two relative burner hearths have shared back heat convection section 26.
The hot flue gas of discharging from exhaust opening also has certain higher temperature, hot flue gas can be used to heat the combustion air that blasts burner hearth, air after the heating from a wind inlet and the secondary wind inlet is sent under the fire grate and the radiation heat transfer section of burner hearth in, can not reduce fire box temperature greatly, with directly blast cold air and compare, can reduce coal consumption, improve boiler thermal output.The device that adds hot-air can be mounted in the helix tube that coils with pipe in the exhaust opening, also can be tubulation, also can be the chuck in the exhaust opening.
Among Fig. 5, the helix tube 27 that useful pipe dish becomes in the cylindrical shape exhaust opening of deflector type coal-fired hot-water boiler, the axis of the axis of helix tube and exhaust opening cylinder is on same straight line, the helix tube two ends mouth of pipe 28,29 stretches out from the exhaust opening cylinder respectively, and an end mouth of pipe that stretches out links to each other with the secondary wind inlet with a wind inlet of burner hearth.
Among Fig. 6, the exhaust opening of deflector type coal-fired hot-water boiler is a jacket type cylinder exhaust opening 30, and the chuck of cylinder exhaust opening has upper and lower two inlet and outlets 31,32, and one of them inlet and outlet links to each other with the secondary wind inlet with a wind inlet of burner hearth.
In order to protect the madial wall of radiation heat transfer section, the madial wall of above-mentioned deflector type coal-fired hot-water boiler radiation heat transfer section can have refractory masses.
Among Fig. 1, the madial wall of deflector type coal-fired hot-water boiler radiation heat transfer section has refractory masses 35.
The sidewall of deflector type coal-fired hot-water boiler has the coal stove door of adding, scarfing cinder fire door, ash disposal fire door and scale removal slag hearth door, above-mentioned fire door will be closed tight when boiler operatiopn, sometimes need to open fire door, in order to close fire door tight, hook is arranged on fire door, plucking, will use manually when linking up with, because the fire door temperature is higher, manually very inconvenient.Pluck for convenience, hook, can adopt fire door with swing type hook.
Among Fig. 7～Fig. 9, fire door with swing type hook has fire door body 36, in the fire door body, along cannelure 37 being arranged all around, asbestos seal pad 38 is arranged in the cannelure, a side of fire door body has hinge shaft hole 39, the opposite side of fire door body has axis hole 40, axis hole is connected with swing type hook 41, and the swing type hook has suppending hole 42, and there is arc shaped hook 43 top of suppending hole, there is pendulum 44 below of suppending hole, is installed with pin between the suppending hole of swing type hook and the axis hole of fire door one side.The swing type hook can pin be the axle swing.
During use, the fire door with swing type hook cooperates the bolt 45 on the other boiler body outer wall of fire door to use.
When fire door was shut, the arc shaped hook of swing type hook was on the bolt that is hooked on the other boiler body outer wall of fire door.
When opening the door, promote the pendulum of swing type hook below with spade or other instrument, arc shaped hook skids off from bolt, and fire door can be opened.At closing time, promote the fire door body with spade or other instrument, the back of the body bump bolt of arc shaped hook, bolt promotes the back side of arc shaped hook, and pendulum is risen, and bolt can slide into along the back of the body of arc shaped hook in the arc shaped hook, and pendulum descends then, and bolt is hooked, and fire door is closed tight.
Fire door with swing type hook opens the door and closes the door all very convenient, and the asbestos seal pad is arranged in the fire door body, can make fire door close very sternly, does not leak out, and helps boiler operatiopn.
Claims (10)
1. deflector type coal-fired hot-water boiler, horizontal cube shaped body of heater is arranged, the upper wall surface of body of heater and four side wall surfaces are chuck furnace walls, chuck has burner hearth in the furnace wall, the front portion of burner hearth is the radiation heat transfer section, there is heat exchanging pipe the top of radiation heat transfer section, the rear portion of burner hearth is the heat convection section that links to each other with the radiation heat transfer section, between radiation heat transfer section and the heat convection section chuck dividing plate is arranged, the sidewall of radiation heat transfer section has the coal stove door of adding and scarfing cinder fire door, there is fire grate the below of radiation heat transfer section, the fire grate below is a cinder chamber, cinder chamber's sidewall has the ash disposal fire door, there is hot water outlet the top of chuck furnace wall, there is cooling water inlet the below of chuck furnace wall, there is exhaust opening the rear end of heat convection section, it is characterized in that: the chuck deflection plate is arranged in the heat convection section, before the chuck deflection plate is divided into the heat convection section, two sections of backs, before, there is passage the below of back heat convection section, the heat convection section has heat exchanging pipe, before, the sidewall of back heat convection section below has scale removal slag hearth door, heat exchanging pipe, chuck dividing plate and chuck deflection plate communicate with the chuck furnace wall respectively.
2. by the described deflector type coal-fired hot-water boiler of claim 1, it is characterized in that: described exhaust opening is above heat convection section rear end or the side
3. by claim 1 or 2 described deflector type coal-fired hot-water boilers, it is characterized in that: described burner hearth is two relative burner hearths, and two relative burner hearths have radiation heat transfer section and preceding heat convection section respectively, and two relative burner hearths have shared back heat convection section.
4. by claim 1 or 2 described deflector type coal-fired hot-water boilers, it is characterized in that: the helix tube that useful pipe dish becomes in the described exhaust opening, the helix tube two ends mouth of pipe stretches out from the exhaust opening cylinder respectively, and an end mouth of pipe that stretches out links to each other with the secondary wind inlet with a wind inlet of burner hearth.
5. by claim 1 or 2 described deflector type coal-fired hot-water boilers, it is characterized in that: in the described exhaust opening chuck is arranged, chuck has into and out of the air port, and air outlet links to each other with the secondary wind inlet with a wind inlet of burner hearth.
6. by the described deflector type coal-fired hot-water boiler of claim 3, it is characterized in that: the helix tube that useful pipe dish becomes in the described exhaust opening, the helix tube two ends mouth of pipe stretches out from the exhaust opening cylinder respectively, and an end mouth of pipe that stretches out links to each other with the secondary wind inlet with a wind inlet of burner hearth.
7. by the described deflector type coal-fired hot-water boiler of claim 3, it is characterized in that: in the described exhaust opening chuck is arranged, chuck has into and out of the air port, and air outlet links to each other with the secondary wind inlet with a wind inlet of burner hearth.
8. by claim 1 or 2 described deflector type coal-fired hot-water boilers, it is characterized in that: the described coal stove door that adds, the scarfing cinder fire door, ash disposal fire door and scale removal slag hearth door are the fire doors with swing type hook, fire door with swing type hook has the fire door body, in the fire door body, along cannelure is arranged all around, the asbestos seal pad is arranged in the cannelure, one side of fire door body has hinge shaft hole, the opposite side of fire door body has axis hole, axis hole is connected with the swing type hook, the swing type hook has suppending hole, there is arc shaped hook the top of suppending hole, and there is pendulum the below of suppending hole, is installed with pin between the suppending hole of swing type hook and the axis hole of fire door one side.
9. by the described deflector type coal-fired hot-water boiler of claim 3, it is characterized in that: the described coal stove door that adds, the scarfing cinder fire door, ash disposal fire door and scale removal slag hearth door are the fire doors with swing type hook, fire door with swing type hook has the fire door body, in the fire door body, along cannelure is arranged all around, the asbestos seal pad is arranged in the cannelure, one side of fire door body has hinge shaft hole, the opposite side of fire door body has axis hole, axis hole is connected with the swing type hook, the swing type hook has suppending hole, there is arc shaped hook the top of suppending hole, and there is pendulum the below of suppending hole, is installed with pin between the suppending hole of swing type hook and the axis hole of fire door one side.
10. by claim 6 or 7 described deflector type coal-fired hot-water boilers, it is characterized in that: the described coal stove door that adds, the scarfing cinder fire door, ash disposal fire door and scale removal slag hearth door are the fire doors with swing type hook, fire door with swing type hook has the fire door body, in the fire door body, along cannelure is arranged all around, the asbestos seal pad is arranged in the cannelure, one side of fire door body has hinge shaft hole, the opposite side of fire door body has axis hole, axis hole is connected with the swing type hook, the swing type hook has suppending hole, there is arc shaped hook the top of suppending hole, and there is pendulum the below of suppending hole, is installed with pin between the suppending hole of swing type hook and the axis hole of fire door one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200114309U CN201053752Y (en) | 2007-04-03 | 2007-04-03 | Zigzag stream type coal-fired hot-water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200114309U CN201053752Y (en) | 2007-04-03 | 2007-04-03 | Zigzag stream type coal-fired hot-water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053752Y true CN201053752Y (en) | 2008-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200114309U Expired - Fee Related CN201053752Y (en) | 2007-04-03 | 2007-04-03 | Zigzag stream type coal-fired hot-water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201053752Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246605A (en) * | 2017-07-25 | 2017-10-13 | 芜湖市通达锅炉有限公司 | A kind of dual purpose steam water boiler |
| CN107366900A (en) * | 2017-07-25 | 2017-11-21 | 芜湖市通达锅炉有限公司 | A kind of easy-operation type dual purpose steam water boiler |
| CN107401735A (en) * | 2017-07-25 | 2017-11-28 | 芜湖市通达锅炉有限公司 | A kind of dual purpose steam water boiler for being easy to deashing in stove |
| CN107401738A (en) * | 2017-07-25 | 2017-11-28 | 芜湖市通达锅炉有限公司 | A kind of dual purpose steam water boiler of sandwich construction |
| CN113310332A (en) * | 2021-06-18 | 2021-08-27 | 张元利 | Boiler heat exchanger |
-
2007
- 2007-04-03 CN CNU2007200114309U patent/CN201053752Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246605A (en) * | 2017-07-25 | 2017-10-13 | 芜湖市通达锅炉有限公司 | A kind of dual purpose steam water boiler |
| CN107366900A (en) * | 2017-07-25 | 2017-11-21 | 芜湖市通达锅炉有限公司 | A kind of easy-operation type dual purpose steam water boiler |
| CN107401735A (en) * | 2017-07-25 | 2017-11-28 | 芜湖市通达锅炉有限公司 | A kind of dual purpose steam water boiler for being easy to deashing in stove |
| CN107401738A (en) * | 2017-07-25 | 2017-11-28 | 芜湖市通达锅炉有限公司 | A kind of dual purpose steam water boiler of sandwich construction |
| CN107401735B (en) * | 2017-07-25 | 2019-03-15 | 芜湖市通达锅炉有限公司 | A kind of dual purpose steam water boiler convenient for deashing in furnace |
| CN107366900B (en) * | 2017-07-25 | 2019-09-03 | 芜湖市通达锅炉有限公司 | A kind of easy-operation type dual purpose steam water boiler |
| CN113310332A (en) * | 2021-06-18 | 2021-08-27 | 张元利 | Boiler heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 |