CN101382394B - Waste heat boiler for enamelling machine - Google Patents
Waste heat boiler for enamelling machine Download PDFInfo
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- CN101382394B CN101382394B CN2008100271154A CN200810027115A CN101382394B CN 101382394 B CN101382394 B CN 101382394B CN 2008100271154 A CN2008100271154 A CN 2008100271154A CN 200810027115 A CN200810027115 A CN 200810027115A CN 101382394 B CN101382394 B CN 101382394B
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- waste heat
- evaporation
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- waste
- vaporization chamber
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention relates to the technical field of an enamelling machine, in particular to a waste heat boiler of the enamelling machine, which comprises a hollow shell; the upper end and the lower end of the shell are respectively provided with a waste heat outlet and a waste heat inlet; an evaporation chamber is arranged at the waste heat inlet in the shell; the upper part of the evaporation chamber is provided with an evaporation bag; an evaporating pipe is arranged between the evaporation bag and the evaporation chamber; a baffle is arranged between the peripheral surface of the evaporation bag and the shell; waste gas discharged from a waste gas exhaust port enters an inner cavity of the shell from the waste heat inlet; the waste gas first carries out heat exchange with the water in the evaporation chamber to lead the water in the evaporation chamber to be evaporated, and the steam enters the evaporation bag by the evaporating pipe; and then the steam in the evaporation bag is conveyed to the outside by a steam pipe and is reused. The waste heat boiler of the invention collects the low-grade heat energy of the waste gas of the enamelling machine, releases the low-grade heat energy into water for heating the water so as to form steam for the use of external equipment or self recycle use, which can carry out effective use to the low-grade heat energy of the waste gas.
Description
Technical field:
The present invention relates to the enamelling machine technical field, particularly waste heat boiler for enamelling machine.
Background technology:
At present, the catalytic combustion that utilizes that generally adopts carries out the horizontal enameling machine oven of thermal energy exchange both at home and abroad, and its waste gas after catalysis has higher temperature.Present way is in enamelling machine inside UTILIZATION OF VESIDUAL HEAT IN to be carried out in the high-temp waste gas heat exchange, but at this moment the waste gas of process UTILIZATION OF VESIDUAL HEAT IN still has the temperature about 450 ℃, the heat energy of this 450 ℃ of left and right sides waste gas belongs to low-grade heat energy, and the low grade heat energy of waste gas is difficult to utilize once more.Existing enamelling machine can't utilize the low grade heat energy of waste gas once more, and directly waste gas is discharged outside the burner hearth, these waste gas that are discharged from have a large amount of heat energy again, therefore how cause energy dissipation and thermal pollution, the low grade heat energy of waste gas effectively being utilized has become one of hot technology that industry very pays close attention to.
Now, waste gas is carried out the waste heat boiler that waste heat utilizes again, include hollow shell, housing two ends up and down is respectively equipped with waste heat outlet and waste heat inlet, be provided with in the housing from waste heat inlet extend to the waste heat outlet multistage complications or around pipeline, lower end of duct feeds the water source, and the pipeline upper end connects external equipment.Waste gas enters from the waste heat inlet, pass multistage complications or around pipeline, discharge from the waste heat outlet at last, ducted water absorbs the heat of waste gas and becomes hot water or steam and be transported to external equipment and utilize, its inner pipeline heating surface area of this waste heat boiler is little, heat exchange effect is relatively poor, evaporation capacity is little, be suitable for use on the waste gas heat utilization of equipment such as the higher oil burning boiler of EGT, coal-burning boiler, gas fired-boiler, its low grade heat energy to lower temperature waste gas utilizes effect relatively poor, is not suitable for the waste gas heat utilization of enamelling machine.
Summary of the invention:
The waste heat boiler for enamelling machine that the objective of the invention is to provide a kind of and can the low grade heat energy of waste gas effectively be utilized, heat exchange effect is good, evaporation capacity is big at the deficiencies in the prior art.
For achieving the above object, the present invention adopts following technical scheme:
Waste heat boiler for enamelling machine, it includes hollow shell, the housing upper end is provided with the waste heat outlet, the housing lower end is provided with the waste heat inlet that is communicated with enamelling machine waste discharge gas port, waste heat porch in the housing is provided with vaporization chamber, the vaporization chamber top is provided with the evaporation bag, be provided with the evaporation tube that is communicated with both between evaporation bag and the vaporization chamber, be provided with between evaporation bag outer surface and the housing housing inner chamber is separated into two-part dividing plate, the airway that is provided with up/down perforation is wrapped in evaporation, wherein vaporization chamber is connected with the downcomer that the water source is provided, and the evaporation bag is connected with steam is led to outside steam pipe.
Be provided with the preheating water tank between described evaporation bag and the waste heat outlet, the preheating water tank is communicated with vaporization chamber by downcomer, and the preheating water tank bottom also is connected with the water inlet pipe that leads to external water source, and water inlet pipe is provided with water intaking valve.
Described vaporization chamber bottom is connected with the pressure-measuring pipe that is communicated with steam pipe, and pressure-measuring pipe is provided with draining valve, is provided with the water level meter between pressure-measuring pipe and the steam pipe.
Also be provided with safety valve, pressure-regulating valve and Pressure gauge on the described steam pipe.
Described inner walls is provided with heat-insulation layer.
Beneficial effect of the present invention is: the present invention includes hollow shell, housing two ends up and down is respectively equipped with the waste heat inlet that waste heat exported and be communicated with enamelling machine waste discharge gas port, waste heat porch in the housing is provided with vaporization chamber, the vaporization chamber top is provided with the evaporation bag, be provided with the many evaporation tubes that are communicated with both between evaporation bag and the vaporization chamber, be provided with between evaporation bag outer surface and the housing housing inner chamber is separated into two-part dividing plate, the waste gas that enamelling machine waste discharge gas port comes out enters the housing inner chamber from the waste heat inlet, water in waste gas elder generation and the vaporization chamber carries out heat exchange, make the water evaporation in the vaporization chamber, steam enters the evaporation bag by evaporation tube, steam during evaporation is wrapped then is transported to the outside by steam pipe and utilizes, after water in waste gas and the vaporization chamber carries out heat exchange simultaneously, pass evaporation tube, enter the airway of evaporation bag, outlet is discharged outside the housing through waste heat at last, by the vapor absorption in many evaporation tubes and the evaporation bag, make that the waste gas after coming out from airway has lower temperature at a large amount of heat of this process waste gas; And adopt between evaporation bag and the vaporization chamber and be provided with the many structures that are communicated with both evaporation tubes, heating surface area is big, and heat exchange effect is good, and evaporation capacity is big; Waste heat boiler of the present invention collects the low grade heat energy of enamelling machine waste gas, and is discharged into and goes in the water water is heated, and it is recycling for external equipment utilization or self to form water vapour, and its low grade heat energy to waste gas effectively utilizes;
Secondly, preheating water tank between evaporation bag exports with waste heat can be further absorbs the heat of waste gas, the heat that absorbs carries out preheating to the water among the preheating water tank, water after the preheating is transported to vaporization chamber by downcomer again, make the water in the vaporization chamber before the heat that absorbs waste gas, higher temperature just be arranged, accelerated evaporation rate.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 be among Fig. 1 A-A to cutaway view.
The specific embodiment:
The present invention is further illustrated below in conjunction with accompanying drawing, see Fig. 1,2, waste heat boiler for enamelling machine, it includes hollow shell 17, housing 17 inwalls are provided with heat-insulation layer 2, heat-insulation layer 2 can be insulation materials such as heat-preservation cotton, housing is respectively equipped with waste heat outlet 1 and the waste heat inlet 10 that is communicated with enamelling machine waste discharge gas port in two ends about in the of 17, waste heats in the housing 17 10 places that enter the mouth are provided with vaporization chamber 11, vaporization chamber 11 tops are provided with evaporation bag 14, be provided with the many evaporation tubes 12 that are communicated with both between evaporation bag 14 and the vaporization chamber 11, be provided with between evaporation bag 14 outer surfaces and the housing 17 housing 17 inner chambers are separated into two-part dividing plate 21, evaporation bag 14 is provided with the airway 18 of up/down perforation, and wherein vaporization chamber 11 bottoms are connected with the downcomer 13 that the water source is provided, and evaporation bag 14 tops are connected with leads to outside steam pipe 7 with steam.
Be provided with preheating water tank 3 between described evaporation bag 14 and the waste heat outlet 1, preheating water tank 3 is fixed on the evaporation bag 14 by support bar 16, preheating water tank 3 tops are communicated with vaporization chamber 11 by downcomer 13, preheating water tank 3 bottoms also are connected with the water inlet pipe 22 that leads to external water source, and water inlet pipe 22 is provided with water intaking valve 15.Preheating water tank 3 can be further absorbs the heat of waste gas, the heat that absorbs carries out preheating to the water among the preheating water tank 3, water after the preheating is transported to vaporization chamber 11 by downcomer 13 again, make the water in the vaporization chamber 11 before the heat that absorbs waste gas, higher temperature just be arranged, accelerated evaporation rate.
Described vaporization chamber 11 bottoms are connected with pressure-measuring pipe 19, and pressure-measuring pipe 19 is by being communicated with steam pipe 7 communicating pipe 20, and pressure-measuring pipe 19 is provided with draining valve 9, and communicating pipe 20 is provided with water level meter 8, also is provided with safety valve 4, pressure-regulating valve 5 and Pressure gauge 6 on the steam pipe 7.Because the air pressure in the vaporization chamber 11 is greater than the air pressure in the steam pipe 7, the water in the vaporization chamber 11 can rise in communicating pipe 20 through pressure-measuring pipe 19, measures water level in communicating pipe 20 by water level meter 8 then.When the air pressure in the vaporization chamber 11 is excessive, water level in communicating pipe 20 rises and is presented on the water level meter 8, reduces inflow by water intaking valve 15 then, makes that the evaporation capacity in the vaporization chamber 11 reduces, thereby reduced the air pressure in the vaporization chamber 11, on the contrary when the air pressure in the vaporization chamber 11 is too small then.Can be when the hypervolia in the vaporization chamber 11 by the water that it is unnecessary that draining valve 9 is drained.
The waste gas that enamelling machine waste discharge gas port comes out enters housing 17 inner chambers from waste heat inlet 10, water in waste gas elder generation and the vaporization chamber 11 carries out heat exchange, make the water evaporation in the vaporization chamber 11, steam enters evaporation bag 14 by evaporation tube 12, and the steam in the evaporation bag 14 is transported to the outside by steam pipe 7 and utilizes then; After water in waste gas and the vaporization chamber 11 carries out heat exchange simultaneously, pass evaporation tube 12, enter the airway 18 of evaporation bag 14, discharge outside the housing 17 through waste heat outlet 1 at last, by the vapor absorption in many evaporation tubes 12 and the evaporation bag 14, make that the waste gas after coming out from airway 18 has lower temperature at a large amount of heat of this process waste gas; And adopt between evaporation bag 14 and the vaporization chamber 11 and be provided with the many structures that are communicated with both evaporation tubes 12, heating surface area is big, and heat exchange effect is good, and evaporation capacity is big.
Waste heat boiler of the present invention collects the low grade heat energy of the waste gas that enamelling machine is discharged, and is discharged into and goes in the water water is heated, and it is recycling for external equipment utilization or self to form water vapour; In this process, after waste gas about 450 ℃ process vaporization chamber 11, evaporation tube 12, evaporation bag 14 and preheating water tank's 3 in hollow shell 17 the heat exchange, EGT drops to 115～155 ℃, discharge from the waste heat outlet at last, visible this waste heat boiler is very high to the utilization rate of the low grade heat energy of waste gas.
The above only is preferred embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.
Claims (5)
1. waste heat boiler for enamelling machine, it includes hollow shell (17), housing (17) upper end is provided with waste heat outlet (1), housing (17) lower end is provided with the waste heat inlet (10) that is communicated with enamelling machine waste discharge gas port, it is characterized in that: the waste heat inlet (10) in the housing (17) locates to be provided with vaporization chamber (11), vaporization chamber (11) top is provided with evaporation bag (14), be provided with the evaporation tube (12) that is communicated with both between evaporation bag (14) and the vaporization chamber (11), be provided with between evaporation bag (14) outer surface and the housing (17) housing (17) inner chamber is separated into two-part dividing plate (21), evaporation bag (14) is provided with the airway (18) of up/down perforation, wherein vaporization chamber (11) is connected with the downcomer (13) that the water source is provided, and evaporation bag (14) is connected with steam is led to outside steam pipe (7).
2. waste heat boiler for enamelling machine according to claim 1, it is characterized in that: be provided with preheating water tank (3) between described evaporation bag (14) and the waste heat outlet (1), preheating water tank (3) is communicated with vaporization chamber (11) by downcomer (13), preheating water tank (3) bottom also is connected with the water inlet pipe (22) that leads to external water source, and water inlet pipe (22) is provided with water intaking valve (15).
3. waste heat boiler for enamelling machine according to claim 1, it is characterized in that: described vaporization chamber (11) bottom is connected with the pressure-measuring pipe (19) that is communicated with steam pipe (7), pressure-measuring pipe (19) is provided with draining valve (9), is provided with water level meter (8) between pressure-measuring pipe (19) and the steam pipe (7).
4. waste heat boiler for enamelling machine according to claim 3 is characterized in that: also be provided with safety valve (4), pressure-regulating valve (5) and Pressure gauge (6) on the described steam pipe (7).
5. according to any described waste heat boiler for enamelling machine of claim 1-4, it is characterized in that: described housing (17) inwall is provided with heat-insulation layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100271154A CN101382394B (en) | 2008-03-31 | 2008-03-31 | Waste heat boiler for enamelling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100271154A CN101382394B (en) | 2008-03-31 | 2008-03-31 | Waste heat boiler for enamelling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101382394A CN101382394A (en) | 2009-03-11 |
| CN101382394B true CN101382394B (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100271154A Expired - Fee Related CN101382394B (en) | 2008-03-31 | 2008-03-31 | Waste heat boiler for enamelling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN101382394B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253612B (en) * | 2018-01-25 | 2020-12-15 | 苏州果汁网信息科技有限公司 | Multifunctional waste heat utilization equipment for heating |
| CN114937534B (en) * | 2022-04-01 | 2023-05-05 | 卫辉市云波漆包线有限公司 | Energy-saving and environment-friendly enameling machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041007U (en) * | 1988-07-27 | 1989-07-12 | 昆明市群利五金电器加工修造厂 | Straight-pipe type energy-saving steam range |
| CN201028467Y (en) * | 2007-04-24 | 2008-02-27 | 济南钢铁股份有限公司 | Dry coke quenching high-temperature high-pressure boiler natural circulation device |
| CN201180980Y (en) * | 2008-03-31 | 2009-01-14 | 东莞泽龙线缆有限公司 | Exhaust-heat boiler of enameling machine |
-
2008
- 2008-03-31 CN CN2008100271154A patent/CN101382394B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041007U (en) * | 1988-07-27 | 1989-07-12 | 昆明市群利五金电器加工修造厂 | Straight-pipe type energy-saving steam range |
| CN201028467Y (en) * | 2007-04-24 | 2008-02-27 | 济南钢铁股份有限公司 | Dry coke quenching high-temperature high-pressure boiler natural circulation device |
| CN201180980Y (en) * | 2008-03-31 | 2009-01-14 | 东莞泽龙线缆有限公司 | Exhaust-heat boiler of enameling machine |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2007-307477A 2007.11.29 |
| JP特开平8-42806A 1996.02.16 |
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| Publication number | Publication date |
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| CN101382394A (en) | 2009-03-11 |
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Granted publication date: 20100602 Termination date: 20160331 |