CN217057590U - Exhaust-heat boiler temperature regulating device - Google Patents
Exhaust-heat boiler temperature regulating device Download PDFInfo
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- CN217057590U CN217057590U CN202220502067.5U CN202220502067U CN217057590U CN 217057590 U CN217057590 U CN 217057590U CN 202220502067 U CN202220502067 U CN 202220502067U CN 217057590 U CN217057590 U CN 217057590U
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- attemperator
- flue gas
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Abstract
The utility model provides a pair of exhaust-heat boiler attemperator, including exhaust-heat flue gas apparatus for producing, exhaust-heat boiler, exhaust-heat flue gas apparatus for producing with through the setting of heat conduction pipeline intercommunication between the exhaust-heat boiler, attemperator fixed set up in on the heat conduction pipeline, attemperator includes first attemperator, second attemperator, first attemperator is used for right the heat conduction pipeline is cooled down and is handled, the second attemperator is used for mixing the flue gas and adjusts the temperature, the second attemperator along flue gas direction of delivery set up in the rear end of first attemperator, the utility model discloses have the effect of nimble regulation and control flue gas temperature, real-time supervision flue gas temperature.
Description
Technical Field
The utility model belongs to the technical field of exhaust-heat boiler's technique and specifically relates to an exhaust-heat boiler temperature adjusting device is related to.
Background
The thermal boiler is a boiler using sensible heat in exhaust gas, waste material or waste liquid in various industrial processes or heat generated after combustion of combustible materials thereof, or a boiler using heat of high-temperature flue gas discharged from a gas turbine in a combined cycle unit of fuel oil.
Most of the existing waste heat recycling processes are completely separated, or most of the existing waste heat recycling processes are separated from the original production process system and run independently, the influence of the waste heat resource smoke volume and temperature fluctuation on equipment and process systems is not fully considered, and when the temperature is too high, a waste heat boiler is easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waste heat boiler temperature adjusting device, has the advantage of nimble regulation and control flue gas temperature, real-time supervision flue gas temperature to prior art exists not enoughly.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a waste heat boiler attemperator, includes waste heat flue gas apparatus for producing, waste heat boiler, waste heat flue gas apparatus for producing with set up through heat conduction pipeline intercommunication between the waste heat boiler, attemperator fixed set up in on the heat conduction pipeline, attemperator includes first attemperator, second attemperator, first attemperator be used for right heat conduction pipeline carries out the cooling treatment, the second attemperator is used for mixing the flue gas and adjusts the temperature, the second attemperator along flue gas direction of delivery set up in first attemperator's rear end.
Preferably, the first temperature adjusting device comprises a water storage tank, a circulating water tank, a cooling pipe and a water pump, wherein two ends of the cooling pipeline are respectively communicated with the water storage tank and the circulating water tank, a water inlet end and a water outlet end of the water pump are respectively communicated with the water storage tank and the circulating water tank, and the cooling pipe is arranged around the heat conducting pipeline.
Preferably, the last fixed thermoelectric generation device that is provided with of heat conduction pipeline, thermoelectric generation device includes heat conduction piece, thermoelectric generation piece, the one end of heat conduction piece extends to heat conduction pipeline sets up, the other end protrusion heat conduction pipeline sets up, just one side of thermoelectric generation piece with the heat conduction piece is contradicted and is set up, the opposite side with cooling pipeline is contradicted and is set up.
Preferably, the second temperature adjusting device comprises an air mixing pipeline and an air mixing adjusting valve, one end of the air mixing pipeline is used for introducing low-temperature gas, the other end of the air mixing pipeline is communicated with the heat conducting pipeline, and the air mixing adjusting valve is fixedly arranged on the air mixing pipeline and used for controlling the opening and closing of the air mixing pipeline.
Preferably, temperature monitoring thermocouples are fixedly arranged on two sides of the temperature adjusting device, each temperature monitoring thermocouple comprises a first thermocouple and a second thermocouple, and the first thermocouple and the second thermocouple are respectively located at the air inlet end and the air outlet end of the heat conducting pipeline.
Preferably, the exhaust-heat boiler is provided with a steam turbine in a communicating manner at an air outlet end, the steam turbine is in transmission connection with a generator, and the steam turbine drives the generator to rotate to generate electricity.
Preferably, the heat conducting pipeline has two branches, and a temperature adjusting device is arranged on each of the two branches.
To sum up, the utility model discloses a following at least one kind of useful technological effect:
1. the utility model discloses a fixed first attemperator and the second attemperator of setting up on heat conduction pipeline, at first, carry out the cooling treatment to heat conduction pipeline through first attemperator, make the flue gas when heat conduction pipeline, can cool down the processing to it, make the flue gas temperature that gets into exhaust-heat boiler not be higher than rated temperature, when can not carry out fine cooling to heat conduction pipeline through first attemperator, open the second attemperator and mix the cooling to the flue gas, the flue gas temperature that makes finally get into exhaust-heat boiler is not higher than the temperature of settlement, avoid the flue gas high temperature to cause the damage to exhaust-heat boiler.
2. The utility model discloses a fixed thermoelectric generation device that sets up on heat conduction pipeline makes the cooperation between first attemperator and the thermoelectric generation device, absorbs the flue gas temperature through the heat conduction piece, can promote the utilization ratio of flue gas waste heat on the one hand, and other consumer uses can be supplied with to the electric energy that on the other hand produced.
3. The utility model discloses a fixed temperature monitoring thermocouple that sets up in attemperator's both sides, can carry out real-time monitoring to the flue gas temperature of heat conduction pipeline inlet end and the flue gas temperature of the end of giving vent to anger of heat conduction pipeline through first thermocouple and second thermocouple to through and the cooperation between the attemperator, make the flue gas temperature that finally gets into in the exhaust-heat boiler carry out the developments regulation and control, realization that can be better is to the control of flue gas temperature.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic structural view of the first temperature adjustment device of the present invention;
fig. 4 is a schematic structural view of the heat conducting pipe according to the present invention.
Reference numerals: 1. a waste heat flue gas production device; 2. a waste heat boiler; 3. a heat conducting pipe; 4. a first temperature adjusting device; 41. a water storage tank; 42. a circulating water tank; 43. a cooling tube; 44. a water pump; 5. a second temperature adjusting device; 51. a mixed air duct; 52. a mixed air regulating valve; 6. a thermoelectric power generation device; 61. a heat conducting block; 62. a thermoelectric power generation sheet; 71. a first thermocouple; 72. a second thermocouple; 8. a steam turbine; 9. a generator; 10. and (4) branching.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" or "an" and "the" and similar referents in the description and claims of the present application does not denote a limitation of quantity, but rather denote the presence of at least one.
In the description of the present application and claims, the terms "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the referred device or unit must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application.
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1-fig. 4 show the utility model discloses a specific embodiment of 2 attemperators of exhaust-heat boiler, a 2 attemperators of exhaust-heat boiler, it includes exhaust-heat flue gas apparatus for producing 1, exhaust-heat boiler 2, wherein, set up through the 3 intercommunications of heat conduction pipeline between exhaust-heat flue gas apparatus for producing 1 and the exhaust-heat boiler 2, specifically, the one end of heat conduction pipeline 3 and the end intercommunication setting of giving vent to anger of exhaust-heat flue gas apparatus for producing 1, the other end sets up with exhaust-heat boiler 2's inlet end intercommunication, carry the flue gas through heat conduction pipeline 3.
In the utility model, the temperature adjusting device is fixedly arranged on the heat conduction pipeline 3, the temperature of the flue gas in the heat conduction pipeline 3 is reduced by the temperature adjusting device, and the damage to the waste heat boiler 2 caused by overhigh temperature of the flue gas entering the waste heat boiler 2 is avoided, wherein, the temperature adjusting device comprises a first temperature adjusting device 4 and a second temperature adjusting device 5, the first temperature adjusting device 4 is used for reducing the temperature of the heat conduction pipeline 3, concretely, the first temperature adjusting device 4 comprises a water storage tank 41, a circulating water tank 42, a cooling pipe 43 and a water pump 44, two ends of the cooling pipe 43 are respectively communicated between the water storage tank 41 and the circulating water tank 42, the water inlet end and the water outlet end of the water pump 44 are respectively communicated with the water storage tank 41 and the circulating water tank 42, the cooling pipe 43 is arranged around the heat conduction pipeline 3, the water in the circulating water tank 42 and the water storage tank 41 is circularly cooled by the water pump 44, and the water between the circulating water storage tank 42 and the water storage tank 41 is circulated by the cooling pipe 43, the cooling pipe 43 surrounding the heat conduction pipeline 3 cools the heat conduction pipeline 3, so that the flue gas entering the heat conduction pipeline 3 is cooled.
Additionally, the utility model discloses in, cooling tube 43 says can also be through carrying out bilayer structure setting to heat conduction pipeline 3 to set up air inlet and gas outlet respectively through the both ends at bilayer heat conduction pipeline 3, and through cooling tube 43 say the inlet end with give vent to anger the end respectively with bilayer heat conduction pipeline 3's air inlet and gas outlet intercommunication setting, can carry out abundant cooling to heat conduction pipeline 3 and handle, the cooling effect is better.
In addition, in this embodiment, in order to be able to make full use of the waste heat of flue gas and the refrigeration of cooling device, consequently, the utility model discloses in, the fixed thermoelectric generation device 6 that is provided with on the heat conduction pipeline 3 can carry out further utilization to the refrigeration of waste heat of flue gas and cooling device through thermoelectric generation device 6, avoids the waste to the resource.
Wherein, thermoelectric generation device 6 includes heat conduction block 61, thermoelectric generation piece 62, the one end of heat conduction block 61 extends to heat conduction pipeline 3 and sets up, other end protrusion heat conduction pipeline 3 sets up, conduct the waste heat of flue gas through heat conduction block 61, can carry out the thermolysis to the waste heat of flue gas, and, one side of thermoelectric generation piece 62 contradicts with heat conduction block 61 and sets up, the opposite side and 43 conflict settings of cooling tube, absorb the flue gas temperature through heat conduction block 61, on the one hand can promote the utilization ratio of flue gas waste heat, on the other hand can provide heat energy for thermoelectric generation piece 62, the temperature difference through thermoelectric generation piece 62 both sides is used, thereby realize the conversion of electric power, avoid the waste of resource.
In the present invention, for further regulating and controlling the temperature of the flue gas, in this embodiment, the heat conducting pipeline 3 is further provided with a second temperature regulating device 5, wherein the second temperature regulating device 5 is used for mixing the flue gas to regulate the temperature, and by introducing the gas with a lower temperature, the low-temperature gas and the flue gas are mixed, so as to realize the temperature reduction treatment of the flue gas, specifically, the second temperature regulating device 5 comprises an air mixing pipeline 51 and an air mixing regulating valve 52, wherein one end of the air mixing pipeline 51 is used for introducing the low-temperature gas, the other end is communicated with the heat conducting pipeline 3, the air mixing regulating valve 52 is fixedly arranged on the air mixing pipeline 51 for controlling the opening and closing of the air mixing pipeline 51, when the heat conducting pipeline 3 cannot be well cooled by the first temperature regulating device 4, the second temperature regulating device 5 is opened to mix and cool the flue gas, so that the temperature of the flue gas finally entering the waste heat boiler 2 is not higher than the set temperature, the damage to the waste heat boiler 2 caused by overhigh temperature of the flue gas is avoided.
In this embodiment, the second temperature adjusting device 5 is arranged at the rear end of the first temperature adjusting device 4 along the flue gas conveying direction, and is used for cooling the heat conducting pipeline 3 through the first temperature adjusting device 4, so that the flue gas can be cooled when passing through the heat conducting pipeline 3, the temperature of the flue gas entering the waste heat boiler 2 is not higher than the rated temperature, the second temperature adjusting device 5 can further cool the flue gas, and the flue gas can be precisely controlled.
In the utility model, in order to monitor the temperature in the heat conduction pipeline 3 in real time, therefore, the temperature monitoring thermocouples are fixedly arranged at the two sides of the temperature adjusting device, wherein the temperature detecting thermocouples comprise a first thermocouple 71 and a second thermocouple 72, the first thermocouple 71 and the second thermocouple 72 are respectively arranged at the air inlet end and the air outlet end of the heat conduction pipeline 3, the flue gas temperature at the air inlet end of the heat conduction pipeline 3 is monitored in real time by the first thermocouple 71, and the flue gas temperature is adjusted and controlled by controlling to open the first temperature adjusting device 4 or/and the second temperature adjusting device 5, so that the flue gas temperature monitored by the second thermocouple 72 is lower than the rated temperature, in the embodiment, the rated temperature refers to the highest temperature which the waste heat boiler 2 can bear, thereby avoiding the damage to the waste heat boiler 2, and prolonging the service life of the waste heat boiler 2,
furthermore, the utility model discloses a fixed temperature monitoring thermocouple that sets up in attemperator's both sides, can carry out real-time monitoring to the flue gas temperature of the inlet end of heat conduction pipeline 3 and the flue gas temperature of the end of giving vent to anger of heat conduction pipeline 3 through first thermocouple 71 and second thermocouple 72 to through and the cooperation between the attemperator, make finally get into the flue gas temperature in exhaust-heat boiler 2 and carry out dynamic regulation and control, realization that can be better is to the control of flue gas temperature.
In addition, in this embodiment, exhaust-heat boiler 2's the end intercommunication of giving vent to anger is provided with steam turbine 8, and steam turbine 8 transmission is connected with generator 9, gets into steam turbine 8 through the flue gas, makes steam turbine 8 rotate to drive generator 9 through steam turbine 8 and rotate and generate electricity, realize the further utilization to the flue gas, avoid the waste of resource.
In this embodiment, in order to improve heat conduction pipeline 3's cooling efficiency and conveying efficiency, consequently, heat conduction pipeline 3 has two branch roads 10, all is provided with attemperator on two branch roads 10, separates the cooling to the flue gas through two branch roads 10, and cooling efficiency is higher, but also can realize two branch roads 10 alternate use of heat conduction pipeline 3, avoids heat conduction pipeline 3 to block up, influences production efficiency.
The embodiment of this embodiment is the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a waste heat boiler attemperator, includes waste heat flue gas apparatus for producing, waste heat boiler, waste heat flue gas apparatus for producing with through heat conduction pipeline intercommunication setting between the waste heat boiler, its characterized in that, attemperator fixed set up in on the heat conduction pipeline, attemperator includes first attemperator, second attemperator, first attemperator be used for right heat conduction pipeline carries out the cooling treatment, the second attemperator is used for mixing the flue gas and adjusts the temperature, the second attemperator along flue gas direction of delivery set up in first attemperator's rear end.
2. The waste heat boiler temperature regulating device according to claim 1, wherein the first temperature regulating device comprises a water storage tank, a circulating water tank, a cooling pipe and a water pump, two ends of the cooling pipe are respectively communicated with the water storage tank and the circulating water tank, a water inlet end and a water outlet end of the water pump are respectively communicated with the water storage tank and the circulating water tank, and the cooling pipe is arranged around the heat conducting pipeline.
3. The waste heat boiler temperature regulating device according to claim 2, wherein the heat conducting pipeline is fixedly provided with a thermoelectric generation device, the thermoelectric generation device comprises a heat conducting block and a thermoelectric generation sheet, one end of the heat conducting block extends to the heat conducting pipeline, the other end of the heat conducting block protrudes out of the heat conducting pipeline, one side of the thermoelectric generation sheet is abutted against the heat conducting block, and the other side of the thermoelectric generation sheet is abutted against the cooling pipe.
4. The waste heat boiler temperature regulating device according to claim 1, wherein the second temperature regulating device comprises an air mixing pipeline and an air mixing regulating valve, one end of the air mixing pipeline is used for introducing low-temperature gas, the other end of the air mixing pipeline is communicated with the heat conducting pipeline, and the air mixing regulating valve is fixedly arranged on the air mixing pipeline and used for controlling the opening and closing of the air mixing pipeline.
5. The waste heat boiler temperature regulating device of claim 1, wherein temperature monitoring thermocouples are fixedly arranged on two sides of the temperature regulating device, the temperature monitoring thermocouples comprise a first thermocouple and a second thermocouple, and the first thermocouple and the second thermocouple are respectively arranged at the air inlet end and the air outlet end of the heat conducting pipeline.
6. The waste heat boiler temperature regulating device according to claim 1, wherein a steam turbine is communicated with the gas outlet end of the waste heat boiler, the steam turbine is in transmission connection with a generator, and the steam turbine drives the generator to rotate to generate electricity.
7. The exhaust-heat boiler temperature regulating device of claim 1, characterized in that the heat conducting pipeline has two branches, and the two branches are provided with temperature regulating devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220502067.5U CN217057590U (en) | 2022-03-08 | 2022-03-08 | Exhaust-heat boiler temperature regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220502067.5U CN217057590U (en) | 2022-03-08 | 2022-03-08 | Exhaust-heat boiler temperature regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217057590U true CN217057590U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220502067.5U Active CN217057590U (en) | 2022-03-08 | 2022-03-08 | Exhaust-heat boiler temperature regulating device |
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| Country | Link |
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| CN (1) | CN217057590U (en) |
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2022
- 2022-03-08 CN CN202220502067.5U patent/CN217057590U/en active Active
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