CN220985862U - Electric heating device for equipment dust removal and flue gas treatment equipment - Google Patents
Electric heating device for equipment dust removal and flue gas treatment equipment Download PDFInfo
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- CN220985862U CN220985862U CN202322654531.XU CN202322654531U CN220985862U CN 220985862 U CN220985862 U CN 220985862U CN 202322654531 U CN202322654531 U CN 202322654531U CN 220985862 U CN220985862 U CN 220985862U
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- 238000005485 electric heating Methods 0.000 title claims abstract description 86
- 239000000428 dust Substances 0.000 title claims abstract description 22
- 239000003546 flue gas Substances 0.000 title claims abstract description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 239000000523 sample Substances 0.000 claims description 8
- 238000010410 dusting Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000002956 ash Substances 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000010881 fly ash Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000009529 body temperature measurement Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 3
- 238000004056 waste incineration Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- General Induction Heating (AREA)
Abstract
The utility model discloses an electric heating device for equipment dust removal and flue gas treatment equipment, wherein the electric heating device for equipment dust removal comprises a temperature control loop and a power supply loop, the power supply loop comprises contacts of an alternating current contactor and more than two electric heating plates which are connected in series, the electric heating plates are connected into the power supply loop in parallel, and the electric heating plates are attached to the surface of the equipment; the temperature control loop comprises an alternating current contactor coil and a temperature control unit which are connected in series, wherein the alternating current contactor coil is used for controlling the opening and closing of the alternating current contactor contact, the temperature control unit is used for detecting the temperature of equipment and controlling the alternating current contactor coil according to the temperature of the equipment and the preset temperature so as to control the opening and closing of the alternating current contactor contact, and therefore the heating time of the electric heating plate is controlled. The utility model can detect and remove the fault electric heating equipment without interrupting the heating equipment of the heating device, has controllable heating temperature, does not need to dismantle the heat insulation cotton of the equipment, and improves the operation stability of the flue gas treatment equipment.
Description
Technical Field
The utility model relates to the field of dust removal, in particular to an electric heating device for equipment dust removal and flue gas treatment equipment.
Background
At present, a cloth bag dust remover, a reaction tower, a scraper conveyor, a fly ash bucket elevator and the like of a treatment workshop among flue gases of a waste incineration power plant are required to convey and treat fly ash impurity dust in the flue gases, and the fly ash on the inner wall of equipment is easy to agglomerate to cause internal blockage in the conveying and ash leakage process because the flue gas fly ash is relatively wet, so that the normal operation of the flue gas treatment equipment is affected. Therefore, the flue gas fly ash needs to be heated, and a traditional electric heating device is a heating wire pipe connected in series and is fixed on the peripheral surface of the equipment in a surrounding way. However, if the heating wire tube has a burning-out ground fault at a certain position, the equipment can be recovered to normal operation only by removing the heat-insulating cotton and replacing the whole heating wire tube, and the overhaul process is complex, so that manpower and material resources are consumed, the visiting work of a company can be influenced by removing the heat-insulating cotton, and the trouble is brought to daily operation and maintenance.
Disclosure of utility model
The utility model aims to provide an electric heating device for equipment dust removal and smoke treatment equipment, and the electric heating device and the smoke treatment equipment are used for improving the operation stability of the smoke treatment equipment of a waste incineration power plant.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
An electrical heating apparatus for de-dusting of a device, comprising a temperature control loop and a power supply loop, wherein:
The power supply loop comprises contacts of an alternating-current contactor and more than two electric heating plates which are connected in series, wherein the electric heating plates are connected into the power supply loop in a parallel manner and are attached to the surface of the equipment;
the temperature control loop comprises a coil of an alternating current contactor and a temperature control unit which are connected in series, wherein the coil of the alternating current contactor is used for controlling the opening and closing of the contact of the alternating current contactor, and the temperature control unit is used for detecting the temperature of the equipment and controlling the coil of the alternating current contactor according to the temperature of the equipment and the preset temperature so as to control the opening and closing of the contact of the alternating current contactor, thereby controlling the heating time of the electric heating plate.
In some embodiments, the power source of the power source loop is a first live wire and a second live wire in three-phase alternating current, the power source loop further comprises a parallel bus terminal strip, the parallel bus terminal strip comprises a first parallel bus terminal strip and a second parallel bus terminal strip, the input end of the first parallel bus terminal strip is connected with the first live wire, the output end of the first parallel bus terminal strip is connected with one end of the electric heating plate, the input end of the second parallel bus terminal strip is connected with the second live wire, and the output end of the second parallel bus terminal strip is connected with the other end of the electric heating plate.
In some embodiments, the power supply loop further includes a first fuse disposed intermediate the terminals of the first parallel bus bar terminal block and intermediate the terminals of the second parallel bus bar terminal block, the first fuse being in series with each of the electrical heating plates.
In some embodiments, the power supply loop further includes a power sub-switch, the power sub-switch includes a first power sub-switch and a second power sub-switch, an input end of the first power sub-switch is connected with the first live wire, an output end of the first power sub-switch is connected with the first parallel bus terminal strip, an input end of the second power sub-switch is connected with the second live wire, and an output end of the second power sub-switch is connected with the second parallel bus terminal strip.
In some embodiments, two ends of the electric heating plate are respectively connected with the first parallel bus bar terminal row and the second parallel bus bar terminal row through cables.
In some embodiments, the power supply loop further comprises a main power switch, an input end of the main power switch is connected with a power supply of the power supply loop, and an output end of the main power switch is connected with a normally-open main power loop of the alternating-current contactor.
In some embodiments, the temperature control unit includes a temperature measurement point probe and a temperature control instrument, where the temperature measurement point probe is used to detect a surface temperature of a device and transmit a resistance signal to the temperature control instrument, and the temperature control instrument is used to control current on-off of a coil of the ac contactor according to the resistance signal and a preset temperature, so as to control on-off of the ac contactor.
In some embodiments, the predetermined temperature is in the temperature range of 70-90 ℃.
In some embodiments, the temperature control loop further comprises a second fuse, two ends of the second fuse are respectively connected with a power live wire of the temperature control loop and the temperature control unit, the other end of the temperature control unit is connected with a coil of the alternating current contactor, and the other end of the coil of the alternating current contactor is connected with a power zero wire of the temperature control loop.
The utility model also provides a flue gas treatment device which comprises the electric heating device for equipment dust removal.
The utility model has the following beneficial effects:
According to the utility model, the temperature control loop and the power supply loop are arranged, the electric heating plate is connected into the power supply loop in a parallel connection mode, and the temperature control unit in the temperature control loop is used for detecting the temperature of equipment and opening and closing the alternating current contactor, so that the opening and closing of the power supply loop are controlled, and the heating time of the electric heating plate is controlled; when the electric heating plate fails, the heating device is not interrupted, meanwhile, the insulation cotton of the equipment is not required to be removed, the failed electric heating plate is detected and removed, the problems of ash leakage and ash conveying and wet ash blocking of the equipment are solved, and the stability of the equipment is improved.
Other benefits of the present utility model will be described further below.
Drawings
FIG. 1 is a circuit diagram of an electric heating apparatus for dust removal of a device in example 1 of the present utility model;
Fig. 2 is a schematic circuit diagram of a semi-dry reaction tower between fumes including an electric heating apparatus for dust removal of equipment in example 2 of the present utility model.
Detailed Description
The following describes embodiments of the present utility model in detail. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the utility model or its applications.
The computer program class deletes the following: it will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for both a fixing action and a coupling or communication action.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing embodiments of the utility model and to simplify the description by referring to the figures, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
Example 1
In order to overcome the problems in the prior art, as shown in fig. 1, the embodiment proposes an electric heating device for equipment dust removal, which comprises a power supply loop 1 and a temperature control loop 2, wherein the power supply loop 1 comprises contacts of an alternating current contactor and more than two electric heating plates connected in series, the electric heating plates in the embodiment comprise first to fifth electric heating plates R1-R5, the first to fifth electric heating plates R1-R5 are connected into the power supply loop 1 in parallel, and the first to fifth electric heating plates R1-R5 are attached to the surface of the equipment; the temperature control loop 2 comprises a coil of an alternating current contactor and a temperature control unit T1 which are connected in series, wherein the coil of the alternating current contactor is used for controlling the opening and closing of contacts of the alternating current contactor, the temperature control unit T1 is used for detecting the temperature of equipment to be heated and controlling the coil of the alternating current contactor according to the temperature of the equipment and the preset temperature during heating so as to control the opening and closing of the contacts of the alternating current contactor, thereby controlling the heating time of the electric heating plate.
The power of the power supply loop 1 is input from a power cable, the power in the embodiment is three-phase alternating current, the power supply loop comprises a first live wire L1 and a second live wire L2, two ends of a total power switch QF0 are respectively connected with the power of the power supply loop 1 and a normally open main power loop of an alternating current contactor KM, the power passes through the total power switch QF0 to an upper opening of a normally open contact of the alternating current contactor, in the embodiment, two total power switches QF0 are arranged, an input end is respectively connected with the first live wire L1 and the second live wire L2, an output end is respectively connected with the normally open main power loop of the alternating current contactor KM, when the equipment temperature is lower than a preset temperature, a temperature control unit T1 controls a coil of the alternating current contactor to be electrified, a normally open contact of the alternating current contactor is closed, the power of the power supply loop 1 passes through a power distribution switch to the first parallel bus terminal row D1 and the second parallel bus terminal row D2, namely, an input end of the first parallel bus terminal row D1 is connected with the first live wire L1, an output end of the second parallel bus terminal row D2 is connected with one end of the electric heating plate L2, and an output end of the second parallel bus terminal row D2 is connected with the other end of the electric heating plate.
In this embodiment, the power switch includes a first power switch QF11 and a second power switch QF12, the input end of the first power switch QF11 is connected to the first live wire L1, the output end is connected to the first parallel bus terminal row D1, the input end of the second power switch QF12 is connected to the second live wire L2, and the output end is connected to the second parallel bus terminal row D2, in this embodiment, the power circuit 1 further includes a plurality of first fuses FU1, each first fuse FU1 is disposed between the terminals of the first parallel bus terminal row and between the terminals of the second parallel bus terminal row, and is connected in series with each electric heating plate, and the voltage is output to the electric heating plate in parallel through the first fuse FU1, so that the electric heating plate is electrified to start heating, when the temperature of the device is higher than the preset temperature, the electric heating plate stops heating, and in this embodiment, the temperature range of the preset temperature is 70-90 ℃. Unlike the prior art, in this embodiment, the electric heating plates in this embodiment are connected in parallel to the power supply loop 1, the first to fifth electric heating plates R1 to R5 are respectively connected to the first parallel bus terminal row D1 and the second parallel bus terminal row D2 by a high-temperature-resistant cable, a suitable first fuse FU1 is provided between the first parallel bus terminal row D1 and the second parallel bus terminal row D2, the first fuse FU1 is a power sub-switch with a suitable level, and provides multi-level grounding overcurrent protection, in this embodiment, the power sub-switch, the first fuse FU1, the first parallel bus terminal row D1 and the second parallel bus terminal row D1 form an electric heating control box, when a certain electric heating plate fails to be grounded, which electric heating plate fails, and after the parallel bus terminal row is removed from the power supply loop 1, the electric heating plate is recovered to operate normally without dismantling the heat-insulating cotton, thereby overcoming the tedious maintenance process after the traditional electric heating failure grounding, and effectively solving the problems of fume equipment and ash leakage.
The temperature control circuit 2 of this embodiment includes the coil of ac contactor, and the coil of ac contactor includes first ac contactor coil and second ac contactor coil in this embodiment, first ac contactor coil includes first switch-on terminal A1, second ac contactor coil includes second switch-on terminal A2, and first switch-on terminal A1 and second switch-on terminal A2 correspond two normally open contacts of ac contactor KM respectively, and temperature control circuit 2 still includes second fuse FU2, temperature control unit T1, and wherein, the power live wire L and the temperature control unit T1 of temperature control circuit 2 are connected respectively to the both ends of second fuse FU2, and the coil of ac contactor is connected to the other end of temperature control unit T1, and the power zero line N of temperature control circuit 2 is connected to the other end of ac contactor's coil.
Example 2
Referring to fig. 2, fig. 2 is a flue gas treatment device including an electric heating device for dust removal of a device, in this embodiment, the flue gas treatment device is a semi-dry reaction tower 3 between flue gases of a waste incineration power plant, a temperature control unit T1 includes a temperature measurement point probe Pt and a temperature control instrument, the temperature measurement point probe Pt is used for detecting the surface temperature of the device, when the temperature of the device changes, the resistance of the temperature measurement point probe Pt correspondingly changes, and transmits a resistance signal to the temperature control instrument, an internal program of the temperature control unit T1 judges whether the resistance signal is within a preset temperature range, different digital switching values are output to an ac contactor KM to control a loop according to the judging result, and the temperature control instrument is used for controlling the current on-off of a coil of the ac contactor according to the resistance signal and the preset temperature, so as to control the on-off of a contact of the ac contactor, thereby controlling the opening and closing of the ac contactor KM, and further controlling the working time of an electric heating plate, so that the temperature is controlled within a certain range. The electric heating plates in the embodiment comprise sixth to thirteenth electric heating plates R6-R13, the electric heating plates are uniformly fixed and clung to the surface of equipment by electric welding, namely the sixth to thirteenth electric heating plates R6-R13 are uniformly clung to the outer wall of the semi-dry reaction tower 3 and are connected in parallel to a power supply loop 1, each electric heating plate is connected in parallel with a parallel bus terminal row by a high-temperature-resistant cable, a first fuse FU1 is arranged in the middle of the parallel bus terminal row, the upper level of the first fuse FU1 is a power supply sub-switch of a corresponding level, and multi-level grounding overcurrent protection is designed. The electric heating device is mainly an equipment grounding fault caused by overheat, when a certain electric heating plate is overheated and aged to fail and ground, each pair of parallel high-temperature-resistant cables are subjected to shaking insulation, or the operation condition of the first fuse FU1 can be accurately judged which electric heating plate fails, and the pair of parallel cables are removed from the power supply loop 1.
Meanwhile, the whole set of heating device reduces the input operation of part of electric heating plates, and the normal operation of the heating device of the equipment cannot be influenced. In the process of troubleshooting and overhauling the novel parallel electric heating device, the electric heating plate is not required to be replaced by dismantling the heat-insulating cotton on the surface of the equipment, and the electric heating plate is only required to be removed by shaking the cable insulation in a test mode in the control box, so that the time consumption is short, the overhauling process is simple and convenient, the problems that the overhauling process is complicated and excessive manpower and material resources are consumed after the traditional electric heating is grounded are solved, and the problems of ash leakage of the equipment between flue gas and ash blockage of ash conveying equipment due to fly ash wetting can be effectively solved.
In the embodiment, the main power switch QF0, the first power switch QF11 and the second power switch QF12 are switched on, a power supply is input from a power cable to an upper opening of a normally open contact of an alternating current contactor through the main power switch QF0, when a temperature measuring point probe Pt detects that the temperature of a semi-dry reaction tower 3 is lower than a preset temperature, a temperature control unit T1 controls a coil of the alternating current contactor to be electrified, so that normally open contacts of the alternating current contactor are controlled to be closed, the power supply is connected to a parallel bus terminal row through the power switch, and voltage is output to sixth to thirteenth electric heating plates R6-R13 in parallel through the first fuse FU1 and the second fuse FU2, so that the electric heating plates are electrified to start heating, when the temperature of the semi-dry reaction tower 3 is higher than the preset temperature, the electric heating plates stop heating, the temperature inside the semi-dry reaction tower 3 is kept within a certain range, ash outlet ash blockage caused by condensation and agglomeration inside the equipment is prevented, and normal and stable operation of the equipment is ensured.
The technical advantages of this embodiment are the following:
Firstly, the electric heating device is an electric heating plate, the electric heating plate has small parallel branch current, and the current is much smaller than that of the traditional series electric heating wire pipe, taking the flue gas semi-dry reaction tower 3 comprising the electric heating device for equipment dust removal as an example, the detection result is that each parallel branch current is about 1.3A, and the current is much smaller than that of the series electric heating device 25A in the prior art, so that the operation stability is greatly improved, the failure rate is low, and the service life of equipment is prolonged.
Secondly, the two phases of the electric heating device are provided with independent power supply sub-switches and parallel bus terminal blocks, and a fuse is arranged in the middle of the terminals, so that multistage protection is realized, and the safety and the stability of the whole device are higher.
Furthermore, the temperature of the electric heating plate can be controlled in time through the arrangement of the temperature control loop 2, so that the temperature is kept within a certain range, and the stability of equipment is enhanced.
Finally, the electric heating device for equipment dust removal provided by the embodiment has the advantages that due to the small parallel-type shunt and the hierarchical independent protection mode, the operation stability of the device is greatly improved, the failure rate is reduced, the daily maintenance process is simple, convenient and safe, the heating plate is not required to be replaced by dismantling equipment surface heat-insulating cotton during the equipment operation, the daily maintenance cost of manpower and material resources is greatly reduced, and the problems of ash leakage and ash blockage caused by fly ash wetting of the equipment can be effectively solved.
The foregoing is a further detailed description of the utility model in connection with specific/preferred embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that several alternatives or modifications can be made to the described embodiments without departing from the spirit of the utility model, and these alternatives or modifications should be considered to be within the scope of the utility model. In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "preferred embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Those skilled in the art may combine and combine the features of the different embodiments or examples described in this specification and of the different embodiments or examples without contradiction. Although embodiments of the present utility model and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the utility model as defined by the appended claims.
Claims (10)
1. An electric heating device for dedusting equipment, comprising a temperature control loop and a power supply loop, wherein:
The power supply loop comprises contacts of alternating-current contactors connected in series and more than two electric heating plates, the electric heating plates are connected into the power supply loop in parallel, and the electric heating plates are attached to the surface of the equipment;
the temperature control loop comprises a coil of an alternating current contactor and a temperature control unit which are connected in series, wherein the coil of the alternating current contactor is used for controlling the opening and closing of the contact of the alternating current contactor, and the temperature control unit is used for detecting the temperature of the equipment and controlling the coil of the alternating current contactor according to the temperature of the equipment and the preset temperature so as to control the opening and closing of the contact of the alternating current contactor, thereby controlling the heating time of the electric heating plate.
2. The electric heating device for equipment dust removal according to claim 1, wherein the power source of the power source circuit is a first live wire and a second live wire in three-phase alternating current, the power source circuit further comprises a parallel bus terminal block, the parallel bus terminal block comprises a first parallel bus terminal block and a second parallel bus terminal block, the input end of the first parallel bus terminal block is connected with the first live wire, the output end of the first parallel bus terminal block is connected with one end of the electric heating plate, the input end of the second parallel bus terminal block is connected with the second live wire, and the output end of the second parallel bus terminal block is connected with the other end of the electric heating plate.
3. The electrical heating apparatus for equipment dust removal of claim 2, wherein the power supply circuit further comprises a first fuse disposed intermediate the terminals of the first parallel bus bar terminal block and intermediate the terminals of the second parallel bus bar terminal block, the first fuse being in series with each of the electrical heating plates.
4. The electrical heating apparatus for dust removal of equipment as set forth in claim 2, wherein said power supply circuit further comprises a power sub-switch, said power sub-switch comprising a first power sub-switch and a second power sub-switch, said first power sub-switch having an input connected to said first live wire, an output connected to said first parallel bus bar, an input connected to said second live wire, and an output connected to said second parallel bus bar.
5. The electric heating apparatus for equipment dust removal according to claim 2, wherein both ends of the electric heating plate are connected to the first parallel bus bar terminal block and the second parallel bus bar terminal block, respectively, by cables.
6. The electrical heating apparatus for equipment de-dusting of claim 1, wherein the power supply loop further comprises a mains switch having an input connected to a power supply of the power supply loop and an output connected to a normally open mains power loop of the ac contactor.
7. The electric heating device for equipment dust removal according to claim 1, wherein the temperature control unit comprises a temperature measuring point probe and a temperature control instrument, the temperature measuring point probe is used for detecting the surface temperature of equipment and transmitting a resistance signal to the temperature control instrument, and the temperature control instrument is used for controlling the current on-off of a coil of the alternating current contactor according to the resistance signal and a preset temperature so as to control the opening and closing of the alternating current contactor.
8. The electric heating device for equipment de-dusting according to claim 1, wherein the preset temperature is in the temperature range of 70-90 ℃.
9. The electric heating device for equipment dust removal according to claim 1, wherein the temperature control loop further comprises a second fuse, two ends of the second fuse are respectively connected with a power live wire of the temperature control loop and the temperature control unit, the other end of the temperature control unit is connected with a coil of the alternating current contactor, and the other end of the coil of the alternating current contactor is connected with a power zero wire of the temperature control loop.
10. A flue gas treatment plant comprising an electrical heating device for de-dusting of the plant according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322654531.XU CN220985862U (en) | 2023-09-28 | 2023-09-28 | Electric heating device for equipment dust removal and flue gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322654531.XU CN220985862U (en) | 2023-09-28 | 2023-09-28 | Electric heating device for equipment dust removal and flue gas treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220985862U true CN220985862U (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322654531.XU Active CN220985862U (en) | 2023-09-28 | 2023-09-28 | Electric heating device for equipment dust removal and flue gas treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220985862U (en) |
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2023
- 2023-09-28 CN CN202322654531.XU patent/CN220985862U/en active Active
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