CN216869222U - Kiln waste heat recovery system - Google Patents
Kiln waste heat recovery system Download PDFInfo
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- CN216869222U CN216869222U CN202220258980.5U CN202220258980U CN216869222U CN 216869222 U CN216869222 U CN 216869222U CN 202220258980 U CN202220258980 U CN 202220258980U CN 216869222 U CN216869222 U CN 216869222U
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Abstract
The present disclosure relates to a kiln waste heat recovery system, this kiln waste heat recovery system includes: a first heat exchanger, a second heat exchanger and an ORC power generation unit; the first heat exchanger is used for being installed at the bottom end of a kiln, the first heat exchanger is connected with the ORC power generation unit, the first heat exchanger is used for absorbing the bottom heat of the kiln and transmitting the bottom heat to the ORC power generation unit, the second heat exchanger is used for being installed above the kiln, the second heat exchanger is connected with the ORC power generation unit, the second heat exchanger is used for absorbing the top end dissipation heat of the kiln and transmitting the top end dissipation heat to the ORC power generation unit, and the ORC power generation unit is used for converting heat energy into electric energy. This kiln waste heat recovery system can effectual recovery follow the heat that the kiln loss came out, then converts the electric energy into through ORC power generation unit, can conveniently carry out other uses.
Description
Technical Field
The disclosure relates to the technical field of glass production, in particular to a kiln waste heat recovery system.
Background
The production temperature of a float glass melting furnace is generally more than 1500 ℃, and the melting furnace is subjected to heat preservation operation at present so as to reduce the outward transfer of heat in the melting furnace.
However, the temperature difference between the inside and the outside of the melting furnace is large, so that a large amount of heat energy is dissipated to the environment, and a large amount of heat is dissipated and wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a kiln waste heat recovery system for solve the extravagant problem of kiln heat dissipation.
In order to achieve the above object, the present disclosure provides a kiln waste heat recovery system, including: a first heat exchanger, a second heat exchanger and an ORC power generation unit;
the first heat exchanger is used for being installed at the bottom end of a kiln, the first heat exchanger is connected with the ORC power generation unit, the first heat exchanger is used for absorbing the bottom heat of the kiln and transmitting the bottom heat to the ORC power generation unit, the second heat exchanger is used for being installed above the kiln, the second heat exchanger is connected with the ORC power generation unit, the second heat exchanger is used for absorbing the top end dissipation heat of the kiln and transmitting the top end dissipation heat to the ORC power generation unit, and the ORC power generation unit is used for converting heat energy into electric energy.
Optionally, the kiln waste heat recovery system further comprises a third heat exchanger, the third heat exchanger is used for being installed on the outer side wall of the heat storage chamber, the third heat exchanger is connected with the ORC power generation unit, and the third heat exchanger is used for absorbing heat of the heat storage chamber and transferring the heat to the ORC power generation unit.
Optionally, the ORC power generation unit includes an evaporator, an expansion screw machine, a condenser and a circulation pump, an evaporation medium is provided in the evaporator, a heat exchange medium inlet, a heat exchange medium outlet, an evaporation medium inlet and an evaporation medium outlet are provided on the evaporator, the heat exchange medium inlet and the heat exchange medium outlet are used for communicating with the first heat exchanger, the second heat exchanger and the third heat exchanger, the evaporation medium outlet is communicated with an input end of the expansion screw machine, an output end of the expansion screw machine is communicated with an input end of the condenser, an output end of the condenser is communicated with an input end of the circulation pump, and an output end of the circulation pump is communicated with the evaporation medium inlet.
Optionally, the first heat exchanger has a first liquid inlet and a first liquid outlet, the second heat exchanger has a second liquid inlet and a second liquid outlet, the third heat exchanger has a third liquid inlet and a third liquid outlet, the first liquid inlet, the second liquid inlet and the third liquid inlet are all communicated with the heat exchange medium outlet through a first pipeline, and the first liquid outlet, the second liquid outlet and the third liquid outlet are all communicated with the heat exchange medium inlet through a second pipeline.
Optionally, a flue gas inlet and a flue gas outlet are further formed in the evaporator, a waste gas pipe is arranged on the flue gas inlet, and the waste gas pipe is communicated with an exhaust port of the kiln.
Optionally, the kiln waste heat recovery system further comprises a fan, and an air draft end of the fan is communicated with the smoke outlet.
Optionally, a bracket is arranged on an outer side wall of the heat storage chamber, and the third heat exchanger is connected to the bracket.
Optionally, the number of the third heat exchangers is multiple, a plurality of the third heat exchangers are located at one end of the regenerator far away from the kiln, and the plurality of the third heat exchangers are distributed in an array.
Optionally, the kiln waste heat recovery system further comprises a kiln top mounting rack, the kiln top mounting rack is located above the kiln, and the second heat exchanger is connected to the kiln top mounting rack.
Optionally, the number of the second heat exchangers is multiple, and the multiple second heat exchangers are distributed on the kiln top mounting rack in an array manner.
Through above-mentioned technical scheme, can retrieve the bottom of kiln and the heat of top respectively through the first heat exchanger and the second heat exchanger that set up, can effectual recovery follow the heat that the kiln loss came out, then convert the electric energy into through ORC power generation unit, can conveniently carry out other uses, and not only the heat that is used for collecting comes heating or worker's bathing etc. has expanded the usage of retrieving the heat. The kiln waste heat recovery system is convenient to install, simple to maintain, free of extra labor for watching, free of extra energy consumption, environment-friendly and safe. In addition, the kiln waste heat recovery system can be directly installed on the basis of the existing melting kiln plant, the structure of the existing melting kiln plant does not need to be changed, and the kiln waste heat recovery system can be widely popularized and applied.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic structural diagram of a kiln waste heat recovery system according to an embodiment of the present disclosure;
fig. 2 is a schematic structural view of an evaporator according to an embodiment of the present disclosure.
Description of the reference numerals
1. A kiln; 2. a regenerator; 3. a first heat exchanger; 4. a second heat exchanger; 5. a kiln top mounting rack; 6. a support; 7. a third heat exchanger; 8. an ORC power generation unit; 9. an evaporator; 10. an expansion screw machine; 11. a condenser; 12. a circulation pump; 13. a fan; 14. a heat exchange medium inlet; 15. a heat exchange medium outlet; 16. a flue gas inlet; 17. a flue gas outlet; 18. an evaporative media inlet; 19. an evaporation medium outlet.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" are generally defined in the direction of the drawing plane of the drawings, and "inner and outer" refer to the inner and outer of the relevant component parts. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.
After the melting furnace is subjected to heat preservation operation, the environmental temperature of the bottom space of the melting furnace after heat preservation is generally maintained to be above 40 ℃. The ambient temperature of the space at the top of the kiln 1 is maintained above 50 ℃. Therefore, the temperature of the plant area where the glass melting furnace is located is higher than the normal ambient temperature throughout the year. So that a large amount of heat energy is still dissipated to the environment, and a large amount of heat energy is wasted by dissipation.
To this end, as shown in fig. 1 and 2, the present disclosure provides a waste heat recovery system of a kiln 1, comprising: a first heat exchanger 3, a second heat exchanger 4 and an ORC power generation unit 8.
The first heat exchanger 3 is used for being installed at the bottom end of the kiln 1, the first heat exchanger 3 is connected with the ORC power generation unit 8, the first heat exchanger 3 is used for absorbing heat at the bottom end of the kiln 1 and transmitting the heat to the ORC power generation unit 8, the second heat exchanger 4 is used for being installed above the kiln 1, the second heat exchanger 4 is connected with the ORC power generation unit 8, the second heat exchanger 4 is used for absorbing heat dissipated at the top end of the kiln 1 and transmitting the heat to the ORC power generation unit 8, and the ORC power generation unit 8 is used for converting heat energy into electric energy.
Wherein, first heat exchanger 3 can absorb the heat that the bottom escape of kiln 1 came out, collects the heat of the escape of kiln 1 bottom, then transmits to ORC power generation unit 8, converts the electric energy into through ORC power generation unit 8, and the electric energy of production can be used for other uses to realize waste heat recovery. The heat above the kiln 1 can be absorbed by the second heat exchanger 4, so that the heat escaping outwards from the side walls and the top end of the kiln 1 can be collected by the second heat exchanger 4 after having been collected upwards above the kiln 1, then transferred to the ORC power generation unit 8 and converted into electrical energy.
Among the above-mentioned technical scheme, can retrieve the heat of the bottom of kiln 1 and top respectively through first heat exchanger 3 and the second heat exchanger 4 that sets up, can effectually retrieve the heat that comes out from kiln 1 escape, then convert the electric energy into through ORC power generation unit 8, can conveniently carry out other uses, and not only the heat that is used for collecting comes heating or staff's bathing etc. has expanded the usage of retrieving the heat. The waste heat recovery system of the kiln 1 is convenient to install, simple to maintain, free of extra labor for watching, free of extra energy consumption, environment-friendly and safe. In addition, the waste heat recovery system of the kiln 1 can be directly installed on the basis of the existing melting kiln plant, the structure of the existing melting kiln plant does not need to be changed, and the waste heat recovery system can be widely popularized and applied.
Optionally, in an embodiment of the present disclosure, the kiln 1 waste heat recovery system further includes a third heat exchanger 7, the third heat exchanger 7 is configured to be installed on an outer sidewall of the regenerator 2, the third heat exchanger 7 is connected to the ORC power generation unit 8, and the third heat exchanger 7 is configured to absorb heat of the regenerator 2 and transfer the heat to the ORC power generation unit 8.
In the present embodiment, the third heat exchanger 7 can absorb heat dissipated from the regenerator 2, and after the heat is collected by the third heat exchanger 7, the heat is also transferred to the ORC power generation unit 8, so that heat energy can be converted into electric energy, which facilitates other applications.
Wherein, regenerator 2 is current structure in the melting furnace factory building, and regenerator 2 is used for producing hot-blast to blow in kiln 1. Therefore, the regenerator 2 also dissipates heat outwardly during operation, resulting in wasted heat. After the heat is recovered by the third heat exchanger 7, the waste of heat dissipation of the regenerative chamber 2 can be effectively reduced.
Specifically, in the present embodiment, the first heat exchanger 3, the second heat exchanger 4, and the third heat exchanger 7 are all vacuum heat pipes, and heat exchange medium can flow inside the vacuum heat pipes, while the shell can perform effective heat exchange. When the first heat exchanger 3, the second heat exchanger 4 and the third heat exchanger 7 absorb external heat, the heat exchange medium flowing inside the first heat exchanger 3, the second heat exchanger 4 and the third heat exchanger 7 absorbs heat and changes into a gas phase, and when the first heat exchanger 3, the second heat exchanger 4 and the third heat exchanger 7 need to transfer heat to the ORC power generation unit 8, the heat exchange medium flowing inside the first heat exchanger can change from the gas phase to a liquid phase to release heat.
Optionally, in an embodiment of the present disclosure, the ORC power generation unit 8 includes an evaporator 9, an expansion screw machine 10, a condenser 11, and a circulation pump 12, an evaporation medium is provided in the evaporator 9, a heat exchange medium inlet 14, a heat exchange medium outlet 15, an evaporation medium inlet 18, and an evaporation medium outlet 19 are provided on the evaporator 9, the heat exchange medium inlet 14 and the heat exchange medium outlet 15 are used to communicate with the first heat exchanger 3, the second heat exchanger 4, and the third heat exchanger 7, the evaporation medium outlet 19 is communicated with an input end of the expansion screw machine 10, an output end of the expansion screw machine 10 is communicated with an input end of the condenser 11, an output end of the condenser 11 is communicated with an input end of the circulation pump 12, and an output end of the circulation pump 12 is communicated with the evaporation medium inlet 18.
In the present embodiment, the evaporator 9 is capable of performing heat exchange so that the evaporation medium can change from a liquid phase to a gas phase, and the evaporation medium in the evaporator 9 can flow in a closed loop formed by the evaporator 9, the expansion screw 10, the condenser 11, and the circulation pump 12. The condenser 11 is used for converting a gas-phase evaporation medium into a liquid phase, and the liquid phase is conveyed back to the evaporator 9 by the circulating pump 12 for next heat exchange and evaporation, so that continuous power generation can be realized. The evaporator 9, the expansion screw machine 10, the condenser 11 and the circulating pump 12 are all the prior art, and the structure thereof is not described herein.
The evaporator 9 and the expansion screw machine 10 can effectively convert heat energy into electric energy, so that the kiln 1 can be used for multiple purposes after waste heat is recovered.
It can be understood that, when the heat exchange media in the first heat exchanger 3, the second heat exchanger 4 and the third heat exchanger 7 enter the evaporator 9 through the heat exchange medium inlet 14, heat can be transferred to the evaporation medium, the evaporation medium can change from a liquid phase to a gas phase, the evaporation medium in the gas phase can enter the expansion screw machine 10, and the expansion screw machine 10 is driven by the flowing evaporation medium to rotate to generate power. Subsequently, the evaporation medium in the gas phase enters the condenser 11, is cooled by the condenser 11, changes from the gas phase to the liquid phase, and is then pumped back to be evaporated therein by the circulation pump 12.
Optionally, in an embodiment of the present disclosure, the first heat exchanger 3 has a first liquid inlet and a first liquid outlet, the second heat exchanger 4 has a second liquid inlet and a second liquid outlet, the third heat exchanger 7 has a third liquid inlet and a third liquid outlet, the first liquid inlet, the second liquid inlet and the third liquid inlet are all communicated with the heat exchange medium outlet 15 through a first pipeline, and the first liquid outlet, the second liquid outlet and the third liquid outlet are all communicated with the heat exchange medium inlet 14 through a second pipeline.
Wherein, in this embodiment, first inlet and first liquid outlet are located the both ends of first heat exchanger 3 respectively for heat transfer medium can enter into first heat exchanger 3 through first inlet, and pass first heat exchanger 3 after, discharge from first liquid outlet. Specifically, the heat exchange medium is capable of exchanging heat in the first heat exchanger 3, and may change from a liquid phase to a gas phase.
In this embodiment, the second liquid inlet and the second liquid outlet are respectively located at two ends of the second heat exchanger 4, so that the heat exchange medium can enter the second heat exchanger 4 through the second liquid inlet and be discharged from the second liquid outlet after passing through the second heat exchanger 4. Specifically, the heat exchange medium can exchange heat in the second heat exchanger 4, and can change from a liquid phase to a gas phase.
In this embodiment, the third liquid inlet and the third liquid outlet are respectively located at two ends of the third heat exchanger 7, so that the heat exchange medium can enter the third heat exchanger 7 through the third liquid inlet and pass through the third heat exchanger 7 to be discharged from the third liquid outlet. Specifically, the heat exchange medium is capable of exchanging heat in the third heat exchanger 7, and may change from a liquid phase to a gas phase.
It can be understood that the heat exchange medium in the gas phase can flow to the heat exchange medium inlet 14 of the evaporator 9 through the first pipeline, enter the evaporator 9, and after heat exchange in the evaporator 9, can flow back to the first heat exchanger 3, the second heat exchanger 4 and the third heat exchanger 7 through the second pipeline to continue to absorb heat. So that the heat exchange medium can flow in the closed loop formed by the first heat exchanger 3, the second heat exchanger 4, the third heat exchanger 7 and the evaporator 9. Specifically, a driving pump may be disposed on the first pipe or the second pipe for driving the heat exchange medium to flow.
Optionally, in an embodiment of the present disclosure, the evaporator 9 is further provided with a flue gas inlet 16 and a flue gas outlet 17, and the flue gas inlet 16 is provided with a waste flue gas pipe, and the waste flue gas pipe is used for communicating with an exhaust port of the kiln 1.
Among them, among this embodiment, the exhaust waste gas of the gas vent of kiln 1 exhaust can enter into the waste gas pipe, leads to the flue gas import 16 through the waste gas pipe, enters into evaporimeter 9, because the waste gas has the temperature, can heat the evaporation medium in the evaporimeter 9 equally to also can be with waste heat recovery of waste gas to convert the electric energy into. The waste flue gas can be discharged from the flue gas outlet 17 after heat exchange in the evaporator 9.
The heat in the waste flue gas can be recovered through the arranged flue gas inlet 16 and the flue gas outlet 17, so that the effect of recovering waste heat is improved, and the heat waste is effectively avoided.
It should be noted that the evaporator 9 has three flow pipelines for flowing the evaporation medium, the heat exchange medium and the waste flue gas, and the three are not communicated with each other.
Optionally, in an embodiment of the present disclosure, the waste heat recovery system of the kiln 1 further includes a fan 13, and an air exhaust end of the fan 13 is communicated with the flue gas outlet 17.
Wherein, in this embodiment, fan 13 can produce suction to drive the waste flue gas and can get into evaporimeter 9 through gas inlet 16, discharge from gas outlet 17, can improve the flow efficiency of waste flue gas. The fan 13 may be driven by generated electricity.
Optionally, in an embodiment of the present disclosure, a bracket 6 is disposed on an outer side wall of the regenerator 2, and the third heat exchanger 7 is connected to the bracket 6.
Wherein, in this embodiment, support 6 fixed connection is on the lateral wall of regenerator 2, and the installation of third heat exchanger 7 is fixed on support 6 for third heat exchanger 7 is close to the lateral wall of regenerator 2, thereby can the effectual outside heat that escapes of absorption regenerator 2. The third heat exchanger 7 can be conveniently installed and fixed through the arranged bracket 6.
Optionally, in an embodiment of the present disclosure, the number of the third heat exchangers 7 is multiple, a plurality of the third heat exchangers 7 are located at one end of the regenerator 2 away from the kiln 1, and the plurality of the third heat exchangers 7 are distributed in an array.
In the present embodiment, the plurality of third heat exchangers 7 are located at one end of the regenerator 2 far from the kiln 1, so that the regenerator 2 can stably convey heat to the kiln 1. The plurality of third heat exchangers 7 are distributed outside the regenerator 2 in an array, so that heat collection at a plurality of positions can be achieved, and the effect of heat recovery is improved.
Optionally, in an embodiment of the present disclosure, the waste heat recovery system of the kiln 1 further includes a kiln top mounting bracket 5, the kiln top mounting bracket 5 is located above the kiln 1, and the second heat exchanger 4 is connected to the kiln top mounting bracket 5.
Wherein, in this embodiment, the top of kiln mounting bracket 5 erects in the top of kiln 1, can make things convenient for the installation of second heat exchanger 4 fixed, guarantees that second heat exchanger 4 can collect the heat that upwards dissipates. In particular, the second heat exchanger 4 can be mounted on the kiln top mounting frame 5 by means of bolts.
Optionally, in an embodiment of the present disclosure, the number of the second heat exchangers 4 is multiple, and the multiple second heat exchangers 4 are distributed on the kiln top mounting rack 5 in an array.
In the embodiment, the plurality of second heat exchangers 4 form a plane and are located above the kiln 1, so that heat absorption in a large area can be formed, and the waste heat recovery effect is improved.
Optionally, in an embodiment of the present disclosure, the number of the first heat exchangers 3 is also multiple, so that heat absorption at multiple positions can also be formed, and the waste heat recovery effect is improved.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A kiln waste heat recovery system, comprising: a first heat exchanger (3), a second heat exchanger (4) and an ORC power generation unit (8);
the first heat exchanger (3) is used for being installed at the bottom end of a kiln (1), the first heat exchanger (3) is connected with the ORC power generation unit (8), the first heat exchanger (3) is used for absorbing the bottom end heat of the kiln (1) and transmitting the bottom end heat to the ORC power generation unit (8), the second heat exchanger (4) is used for being installed above the kiln (1), the second heat exchanger (4) is connected with the ORC power generation unit (8), the second heat exchanger (4) is used for absorbing the top end escape heat of the kiln (1) and transmitting the top end escape heat to the ORC power generation unit (8), and the ORC power generation unit (8) is used for converting the heat energy into electric energy.
2. The kiln waste heat recovery system of claim 1, further comprising a third heat exchanger (7), the third heat exchanger (7) being adapted to be mounted on an outer side wall of the heat storage chamber (2), the third heat exchanger (7) being connected to the ORC power generation unit (8), the third heat exchanger (7) being adapted to absorb heat from the heat storage chamber (2) and transfer the heat to the ORC power generation unit (8).
3. The kiln waste heat recovery system according to claim 2, characterized in that the ORC power generation unit (8) comprises an evaporator (9), an expansion screw machine (10), a condenser (11) and a circulation pump (12), an evaporation medium is arranged in the evaporator (9), the evaporator (9) is provided with a heat exchange medium inlet (14), a heat exchange medium outlet (15), an evaporation medium inlet (18) and an evaporation medium outlet (19), the heat exchange medium inlet (14) and the heat exchange medium outlet (15) are used for communicating with the first heat exchanger (3), the second heat exchanger (4) and the third heat exchanger (7), the evaporation medium outlet (19) is communicated with an input end of the expansion screw machine (10), an output end of the expansion screw machine (10) is communicated with an input end of the condenser (11), and an output end of the condenser (11) is communicated with an input end of the circulation pump (12), the output end of the circulating pump (12) is communicated with the evaporation medium inlet (18).
4. The kiln waste heat recovery system according to claim 3, characterized in that the first heat exchanger (3) has a first liquid inlet and a first liquid outlet, the second heat exchanger (4) has a second liquid inlet and a second liquid outlet, the third heat exchanger (7) has a third liquid inlet and a third liquid outlet, the first liquid inlet, the second liquid inlet and the third liquid inlet all communicate with the heat exchange medium outlet (15) through a first conduit, and the first liquid outlet, the second liquid outlet and the third liquid outlet all communicate with the heat exchange medium inlet (14) through a second conduit.
5. The kiln waste heat recovery system according to claim 3, characterized in that the evaporator (9) is further provided with a flue gas inlet (16) and a flue gas outlet (17), the flue gas inlet (16) is provided with a waste flue gas pipe, and the waste flue gas pipe is used for being communicated with an exhaust port of the kiln (1).
6. The kiln waste heat recovery system according to claim 5, further comprising a fan (13), wherein the air draft end of the fan (13) is communicated with the flue gas outlet (17).
7. The kiln waste heat recovery system of claim 2, characterized in that a bracket (6) is arranged on the outer side wall of the regenerator (2), and the third heat exchanger (7) is connected to the bracket (6).
8. The kiln waste heat recovery system of claim 7, characterized in that the number of the third heat exchangers (7) is multiple, a plurality of the third heat exchangers (7) are arranged at one end of the heat storage chamber (2) far away from the kiln (1), and the plurality of the third heat exchangers (7) are distributed in an array.
9. The kiln waste heat recovery system according to any one of claims 1-8, further comprising a kiln top mounting frame (5), wherein the kiln top mounting frame (5) is located above the kiln (1), and the second heat exchanger (4) is connected to the kiln top mounting frame (5).
10. The kiln waste heat recovery system according to claim 9, characterized in that the number of the second heat exchangers (4) is multiple, and the multiple second heat exchangers (4) are distributed on the kiln top mounting rack (5) in an array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220258980.5U CN216869222U (en) | 2022-02-08 | 2022-02-08 | Kiln waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220258980.5U CN216869222U (en) | 2022-02-08 | 2022-02-08 | Kiln waste heat recovery system |
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| Publication Number | Publication Date |
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| CN216869222U true CN216869222U (en) | 2022-07-01 |
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| CN202220258980.5U Active CN216869222U (en) | 2022-02-08 | 2022-02-08 | Kiln waste heat recovery system |
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