CN222186919U - Low temperature corrosion self-deoxidizing device is prevented in vary voltage operation - Google Patents
Low temperature corrosion self-deoxidizing device is prevented in vary voltage operation Download PDFInfo
- Publication number
- CN222186919U CN222186919U CN202420635768.5U CN202420635768U CN222186919U CN 222186919 U CN222186919 U CN 222186919U CN 202420635768 U CN202420635768 U CN 202420635768U CN 222186919 U CN222186919 U CN 222186919U
- Authority
- CN
- China
- Prior art keywords
- deoxidizing
- evaporator
- deoxidation
- deoxidization
- temperature corrosion
- 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.)
- Active
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
本实用新型涉及一种变压运行防低温腐蚀自除氧装置，它属于玻璃窑余热锅炉领域。本实用新型包括除氧水箱、除氧头、除氧蒸发器一、除氧蒸发器二、进口集箱、出口集箱、灰斗和出口烟道，除氧头的另一端与除氧水箱相连，除氧蒸发器一的一端口设置进口集箱，除氧蒸发器一的另一端口设置出口集箱，出口烟道的底部设置有灰斗。本实用新型结构设计简单合理，安全可靠，环保节能，降低余热锅炉排烟温度，提高锅炉的余热利用率，满足使用需求。
The utility model relates to a variable pressure operation anti-low temperature corrosion self-deoxidation device, which belongs to the field of glass kiln waste heat boilers. The utility model includes a deoxidation water tank, a deoxidation head, a deoxidation evaporator 1, a deoxidation evaporator 2, an inlet header, an outlet header, an ash hopper and an outlet flue. The other end of the deoxidation head is connected to the deoxidation water tank, an inlet header is arranged at one end of the deoxidation evaporator 1, an outlet header is arranged at the other end of the deoxidation evaporator 1, and an ash hopper is arranged at the bottom of the outlet flue. The utility model has a simple and reasonable structural design, is safe and reliable, is environmentally friendly and energy-saving, reduces the exhaust temperature of the waste heat boiler, improves the waste heat utilization rate of the boiler, and meets the use requirements.
Description
Technical Field
The utility model relates to a device, in particular to a low-temperature corrosion resistant self-deoxidizing device for variable-pressure operation, which belongs to the field of waste heat boilers of glass kilns.
Background
In the production process of the glass melting furnace, a large amount of high-temperature waste gas can be generated, and the matched waste heat boiler is used for absorbing heat in the high-temperature waste gas to generate steam for power generation. The tail heat surface of the waste heat boiler of the glass kiln has low-temperature corrosion threat due to higher sulfide content in the tail gas of the glass kiln, so that the wall temperature of the tail heat surface of the waste heat boiler is higher than the corresponding acid dew point temperature, acid corrosion is avoided, the service life of the heat surface is prolonged, the times of overhauling and changing materials by stopping the furnace are reduced, and the normal operation of the waste heat boiler is ensured. Because the water supply entering the deaeration evaporator with the tail heating surface is provided by the deaerator, the operating pressure of the deaerator is increased to obtain the saturation temperature higher than the acid dew point, so that the temperature entering the deaeration evaporator is higher than the acid dew point, and the condition of low-temperature corrosion of the pipe is avoided.
Therefore, the variable-pressure operation low-temperature corrosion-resistant self-deoxidizing device is additionally arranged, so that the water supply temperature of the deoxidizing evaporator can be increased, the efficiency is improved, the low-temperature corrosion of the final-stage deoxidizing evaporator can be prevented, the exhaust gas temperature of the boiler can be reduced, and the device can be used for achieving multiple purposes.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art, and provides the variable-pressure operation low-temperature corrosion-resistant self-deoxidizing device which has the advantages of simple and reasonable structural design, safety, reliability, environmental protection, energy conservation, reduction of exhaust gas temperature of a waste heat boiler and improvement of waste heat utilization rate of the boiler.
The low-temperature corrosion resistant self-deoxidizing device for the variable-pressure operation comprises a deoxidizing water tank, a deoxidizing head, a deoxidizing evaporator I and a deoxidizing evaporator II, wherein the other end of the deoxidizing head is connected with the deoxidizing water tank.
Preferably, the utility model further comprises an ash discharging valve which is arranged at the bottom of the ash bucket, and dust collected in the ash bucket is cleaned up at regular time by the manual ash discharging valve.
Preferably, the first deaeration evaporator and the second deaeration evaporator are arranged in the vertical direction in the flue.
Preferably, the coiled pipes of the first deoxidizing evaporator and the second deoxidizing evaporator adopt light pipes, dust in flue gas is not easy to adsorb on the surfaces of the light pipes, deposited dust can be easily removed through a soot blower, and the heat transfer coefficient of the pipes is improved.
Preferably, the outlet header of the present utility model is used for outputting heated saturated water.
Compared with the prior art, the utility model has the advantages that 1) the integral structure is simple and reasonable in design, is independent equipment, can be independently separated by the regulating valve, is convenient to maintain and replace, 2) smoke and medium in the pipe flow reversely, the heat exchange temperature difference is increased, the heat absorption capacity of the medium is improved, 3) the coiled pipe of the deoxidizing evaporator adopts a light pipe, dust in the smoke is not easy to adsorb on the surface of the light pipe, dust deposit can be easily removed through a soot blower, the heat transfer coefficient of the pipe is improved, 4) the module is assembled in a factory, the transportation is convenient, the module group is assembled on site, and 5) the smoke exhaust temperature of the boiler can be reduced, the energy source is saved, and the harm of high-temperature smoke to the atmosphere is reduced by arranging the deoxidizing evaporator pipe group at the tail of the boiler.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
In the figure, a deoxidizing water tank 1, a deoxidizing head 2, a deoxidizing evaporator I3, a deoxidizing evaporator II 4, an inlet header 5, an outlet header 6, an ash bucket 7, an ash discharge valve 8 and an outlet flue 9 are shown.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
Examples
Referring to fig. 1, the low-temperature corrosion resistant self-deoxidizing device for variable-pressure operation comprises a deoxidizing water tank 1, a deoxidizing head 2, a deoxidizing evaporator I3, a deoxidizing evaporator II 4, an inlet header 5, an outlet header 6, an ash bucket 7 and an outlet flue 9, wherein the deoxidizing evaporator I3 and the deoxidizing evaporator II 4 are arranged in the flue in the vertical direction, one port of the deoxidizing evaporator I3 is provided with the inlet header 5, the other port of the deoxidizing evaporator I is provided with the outlet header 6 so as to output heated saturated water, the bottom of the outlet flue 9 is provided with the ash bucket 7, and the other end of the deoxidizing head 2 is connected with the deoxidizing water tank 1.
The ash discharge valve 8 in the embodiment is arranged at the bottom of the ash bucket 7, and dust collected in the ash bucket 7 is cleaned up at regular time through the manual ash discharge valve 8.
The deoxidizing evaporator 3 and the deoxidizing evaporator 4 in the embodiment adopt light pipes, dust in the flue gas is not easy to be adsorbed on the surfaces of the light pipes, deposited dust can be easily removed through a soot blower, and the heat transfer coefficient of the pipes is improved.
When the embodiment is used, the flue gas flow is that the flue gas of the glass kiln enters the final-stage two-case deoxidizing evaporator after coming from the heating surface in front of the waste heat boiler, the coiled pipe of the deoxidizing evaporator is flushed in the vertical direction, the flue gas is led out through the outlet flue after the temperature of the flue gas is reduced, and the flue gas enters the tail gas purifying device and is discharged into the atmosphere.
The steam-water flow in the embodiment is that the water supplied by a water supply table enters into a deoxidizing water tank, returns to a deoxidizing water tank down pipe after deoxidizing by a deoxidizing head, enters into a two-stage deoxidizing evaporator, and flows reversely relative to the flow direction of smoke, the deoxidizing water is led out from an outlet header 6 after being heated and enters into the next procedure, the smoke flows through the dust settled in an outlet flue and is collected into a bottom ash bucket 7, and the dust collected in the ash bucket 7 is cleaned regularly by a manual ash discharge valve 8.
According to the embodiment, the low-temperature corrosion-resistant self-deoxidizing device is arranged at the tail of the boiler and used for variable-pressure operation, so that heat in smoke is absorbed, deoxidized water is heated, the exhaust gas temperature is reduced, and the waste heat utilization rate of the boiler is improved.
From the above description, those skilled in the art will be able to practice.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present utility model. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.
Claims (5)
1. The utility model provides a low temperature corrosion is prevented from deoxidization device in vary voltage operation, includes deoxidization water tank (1), deoxidization head (2), deoxidization evaporimeter one (3) and deoxidization evaporimeter two (4), the other end of deoxidization head (2) links to each other with deoxidization water tank (1), and its characterized in that still includes import collecting box (5), export collecting box (6), ash bucket (7) and export flue (9), one port of deoxidization evaporimeter one (3) sets up import collecting box (5), and another port of this deoxidization evaporimeter one (3) sets up export collecting box (6), and the bottom of export flue (9) is provided with ash bucket (7).
2. The variable-pressure operation low-temperature corrosion prevention self-deoxidizing device according to claim 1, further comprising an ash discharging valve (8), wherein the ash discharging valve (8) is arranged at the bottom of the ash bucket (7).
3. The variable-pressure operation low-temperature corrosion-resistant self-deoxidizing device of claim 1, wherein the deoxidizing evaporator I (3) and the deoxidizing evaporator II (4) are arranged in the vertical direction in the flue.
4. The variable-pressure operation low-temperature corrosion-resistant self-deoxidizing device according to claim 1 or 3, wherein the coiled pipes of the deoxidizing evaporator I (3) and the deoxidizing evaporator II (4) are light pipes.
5. The pressure swing operation low temperature corrosion resistant self deoxidizing device as claimed in claim 1, wherein the outlet header (6) is used for outputting heated saturated water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420635768.5U CN222186919U (en) | 2024-03-29 | 2024-03-29 | Low temperature corrosion self-deoxidizing device is prevented in vary voltage operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420635768.5U CN222186919U (en) | 2024-03-29 | 2024-03-29 | Low temperature corrosion self-deoxidizing device is prevented in vary voltage operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222186919U true CN222186919U (en) | 2024-12-17 |
Family
ID=93829189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420635768.5U Active CN222186919U (en) | 2024-03-29 | 2024-03-29 | Low temperature corrosion self-deoxidizing device is prevented in vary voltage operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222186919U (en) |
-
2024
- 2024-03-29 CN CN202420635768.5U patent/CN222186919U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105570956B (en) | A kind of residual heat from boiler fume circulating heat supply system | |
| CN201991580U (en) | Flue gas waste heat power generating system comprising ammonia steam turbine | |
| CN106949446A (en) | It is matched in the HTHP denitration waste heat boiler of catalytic cracking unit | |
| CN201819196U (en) | A vortex heat pump and heat recovery system for flue gas heat recovery | |
| CN110145754A (en) | Boiler flue gas treatment system and method capable of preventing low-temperature corrosion of tail heating surface | |
| CN222186919U (en) | Low temperature corrosion self-deoxidizing device is prevented in vary voltage operation | |
| CN205388305U (en) | Novel low temperature second grade economizer | |
| CN201653168U (en) | Heat pipe waste heat recovery special device for high temperature and high dust content flue gas of metallurgical furnace | |
| CN207865355U (en) | A kind of thermoelectricity station-service waste-heat recovery device | |
| CN110645586A (en) | A power plant boiler de-whitening device and its working method | |
| CN118935358A (en) | A zero-leakage external wide-channel plate-type low-temperature economizer and waste heat recovery system | |
| CN210832059U (en) | Power station boiler whitening device | |
| CN2644899Y (en) | Condensing type coal economizer | |
| CN213778733U (en) | Heat pipe low-temperature economizer | |
| CN204213956U (en) | A kind of boiler smoke step waste heat recovery economizer | |
| CN213746819U (en) | Boiler flue gas waste heat recovery device | |
| CN204922936U (en) | Low pressure economizer connected system | |
| CN115814578A (en) | Water vapor recovery energy-saving box system of hydrogen-burning energy supply device | |
| CN204404203U (en) | A kind of boiler ultra low-ash back-end ductwork system | |
| CN201496990U (en) | Two-section steam-heated air pre-heater | |
| CN220097310U (en) | Ash bucket heating system taking waste heat of boiler flue gas as heat source | |
| CN201476043U (en) | A steam air preheater | |
| CN205372701U (en) | Waste heat of boiler flue gas circulation heat supply system | |
| CN223755373U (en) | Economizer structure of a waste incineration waste heat boiler | |
| CN220541069U (en) | Biomass boiler device with flue gas purification function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |