CN212081636U - High-voltage resistance tube hot air box - Google Patents
High-voltage resistance tube hot air box Download PDFInfo
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- CN212081636U CN212081636U CN202020577398.6U CN202020577398U CN212081636U CN 212081636 U CN212081636 U CN 212081636U CN 202020577398 U CN202020577398 U CN 202020577398U CN 212081636 U CN212081636 U CN 212081636U
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- voltage resistance
- resistance tube
- hot air
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- 230000001012 protector Effects 0.000 claims abstract description 15
- 238000005485 electric heating Methods 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Control Of Resistance Heating (AREA)
Abstract
The utility model discloses a high-voltage resistance tube hot air box, wherein the box body comprises a shell, an insulating plate, a heat insulation layer, an access door and a base; one side of two ends of the long surface of the box body is provided with an air inlet, the other side of the box body is provided with an air outlet, and a high-voltage electric connection terminal and an air temperature detection sensor are arranged in the box body; inside high voltage heating element and the fuse protector of having of box, the utility model provides a hot-blast case of high voltage, under frequency conversion fan's effect, cold air sends into hot-blast case from the air intake, heats cold air to the settlement temperature back through high voltage heating element, sees the hot-air out from the air outlet.
Description
Technical Field
The utility model relates to an air heater field specifically is a high voltage resistance tube hot air box.
Background
At present, coal-fired boilers or heat storage boilers are generally adopted for antifreezing heating of coal mine mouths, steam is conveyed to a large-scale coil pipe of the mouth through a pipeline through electricity (coal) -heat-steam conversion, steam-heat conversion is carried out, hot air is conveyed through a fan, and the steam is supplied to the mouth for antifreezing.
The problems of the coal-fired boiler are that the efficiency is low, a large amount of solid wastes are generated, a large amount of waste gas is discharged, and haze weather is caused.
The heat accumulation type electric boiler replaces a coal-fired boiler, and the investment cost is considered, so that the heat accumulation amount cannot be increased and the investment cannot be increased for a few extremely cold days.
The high-voltage resistance tube hot air box can replace a coal-fired boiler to supply heat or supplement heat for a heat storage boiler in extremely cold days.
The high-voltage resistance tube hot air box has the advantages of convenient installation, direct electricity-heat conversion, no need of pipelines and preheating, quick response and high efficiency; compared with a low-voltage hot air box, the power is high, the current is low, the line loss is low, the investment is low, an additional investment on a power transformer, a matched low-voltage electrical cabinet, a matched low-voltage cable and the like is not needed, and the safety is high.
Disclosure of Invention
The present invention is directed to a heat source for overcoming the above disadvantages of the prior art.
In order to achieve the purpose, the utility model provides a high-voltage resistance tube hot air box, which comprises a shell arranged on a base, wherein one end of the shell is provided with an air inlet, and the other end is provided with an air outlet; a high-voltage resistance tube assembly is arranged in the shell and comprises a plurality of high-voltage resistance electric heating tubes which are arranged in parallel, the high-voltage resistance electric heating tubes which are arranged in parallel in a plurality of layers are arranged in parallel to form a group, the high-voltage resistance electric heating tubes are divided into a plurality of groups from top to bottom, and the groups are arranged in series; temperature sensors are arranged at the air inlet and the air outlet, and a fusing protector is arranged inside the high-voltage resistance tube assembly; an access door is arranged on the shell.
Furthermore, the high-voltage resistance tube hot air box is characterized in that an insulating plate is arranged on the inner wall of the shell, and an insulating and heat-insulating layer is arranged on the outer side of the insulating plate.
Still further, the housing may be a carbon steel material; the insulating and heat-insulating layer can be made of refractory mortar, insulating bricks and other materials; the insulating plate can be made of materials such as mica, ceramics, glass and the like; the base can be a metal material;
furthermore, the high-voltage resistance tube hot air box is characterized in that a plurality of groups of high-voltage resistance tube assemblies which are arranged in parallel are arranged in the shell, and electrodes at two ends of each high-voltage resistance tube assembly are connected with a high-voltage electric connection terminal through a high-temperature resistant metal sheet to form an electrode loop.
Furthermore, the bottom of the shell of the high-voltage resistance tube hot air box is provided with a ground wire terminal.
Furthermore, the high-voltage resistance tube hot air box is characterized in that a plurality of high-voltage resistance electric heating tubes which are arranged in parallel are arranged on the heat-resistant insulating support in a layered manner, and two ends of each high-voltage resistance electric heating tube are connected in parallel and in series by adopting high-temperature-resistant metal sheets.
Furthermore, the fusing protector is an ultra-high temperature alloy fusing protector.
The utility model provides a high voltage resistance pipe hot air bellow in having thermal insulation layer shell, every looks electricity installs a set of high voltage resistance pipe subassembly at least, and every looks subassembly both ends electrode passes through high temperature resistant sheetmetal, is connected with the high-tension electricity terminal by insulating tube (ceramic class). The external frequency conversion fan is installed at the air intake, sends cold air into hot-blast case heating, gives outside PLC or computer system control wind temperature through temperature sensor feedback signal, carries the hot-blast air to well head (or other with the thermal unit) heating from the air outlet, and the fusing protector prevents that hot-blast case from appearing overheated phenomenon and carrying out fault protection. The utility model discloses well high-voltage electricity wiring end is high-voltage insulation protection tube, is whole machine and outside power supply line tie point.
Drawings
FIG. 1 is a top plan view of a high voltage resistance tube heat stake provided in example 1;
FIG. 2 is a front view of a high voltage resistance tube heat stake provided in example 1;
FIG. 3 is a schematic view showing the internal structure of a high-voltage resistance tube assembly of a high-voltage resistance tube hot air box provided in example 1, with the high-voltage resistance tube assembly removed;
FIG. 4 is a top plan view of a high voltage resistance tube heat stake provided in example 2;
FIG. 5 is a front view of a high voltage resistance tube heat stake provided in example 2;
in FIGS. 1-5 above: 1 is the air intake, 2 is the air outlet, 3 is the shell, 4 is the insulation board, 5 is insulating layer, 6 is the base, 7 is fusing protector, 8 is temperature sensor, 9, 10, 11 are high voltage electricity wiring terminal, 12 is high voltage resistance tube subassembly, 13 is high voltage resistant electric heating pipe, 14 is the ground wire terminal, 15 is the access door.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that only a few embodiments, but not all embodiments of the invention have been described. The technical solutions and inventive concepts according to the present invention can be equally replaced or changed by those skilled in the art within the technical scope of the present invention.
Example 1
The embodiment provides a high-voltage resistance tube hot air box, as shown in fig. 1, fig. 2 and fig. 3, which includes a housing 3 disposed on a base 6, wherein one end of the housing 3 is provided with an air inlet 1, and the other end is provided with an air outlet 2; a high-voltage resistance tube assembly 12 is arranged in the shell 3, temperature sensors 8 are arranged at the air inlet 1 and the air outlet 2, and a fusing protector 7 is arranged in the high-voltage resistance tube assembly 12; an access door 15 is arranged on the shell 3; the inner wall of the shell 3 is provided with an insulating plate 4, and the outer side of the insulating plate 4 is provided with an insulating layer 5. The electrodes at two ends of the high-voltage resistance tube component 12 are connected with the high-voltage electric terminals 9, 10 and 11 through high-temperature resistant metal sheets to form an electrode loop, and the connection method can be triangular or star-shaped. The high-voltage resistance tube component 12 comprises a plurality of high-voltage resistance electric heating tubes 13 which are arranged in parallel, the adjacent high-voltage resistance electric heating tubes 13 are arranged in parallel and in series, and the number of the high-voltage resistance electric heating tubes 13 can be changed along with heating power; the inside heat-resisting insulating support who is used for fixed high-voltage resistant electric heating pipe 13 that is provided with of shell 3, the parallel layering of a plurality of parallel arrangement's high-voltage resistant electric heating pipe 13 sets up on heat-resisting insulating support, and high temperature resistant sheetmetal is adopted at each high-voltage resistant electric heating pipe 13 both ends and, series connection. The bottom of the shell 3 is provided with a ground wire terminal 14, and the fusing protector 7 adopts an ultra-high temperature alloy fusing protector.
In this embodiment, the insulating withstand voltage of the high-voltage resistance electric heating tube 13 is higher than the input voltage, the high-voltage resistance electric heating tube is fixed on the high-temperature resistance insulating support in parallel and in a layered manner, and safe distances are kept between the high-voltage resistance electric heating tubes 13, between the high-voltage resistance tube assemblies 12, and between the high-voltage resistance tube assemblies 12 and the insulating layer 5, and the high-voltage resistance electric heating tube is calculated according to the voltage class.
Example 2
This embodiment provides a high voltage resistance pipe hot air box, as shown in fig. 4 and 5, the range of high voltage resistance pipe 13 among each high voltage resistance pipe assembly 12 sets up the direction unanimous with the direction of air intake 1 and air outlet 2, the hot air box is installed on base 6 of metal material, 3 inner walls of shell lay one deck insulation board 4 earlier and install insulating layer 5 again, top surface installation high voltage electric terminal 9, 10, 11 and ground wire terminal 14, reserve fuse protector 7, the mounting hole of temperature sensor 8, the left surface of shell 3 is equipped with air intake 1, the right flank is equipped with air outlet 2, the leading flank sets up access door 15, be convenient for inside maintenance.
After the box body is finished, the high-voltage resistance tube assembly 12 is installed, electrodes at two ends of each phase assembly are connected with high-voltage electric connection terminals 9, 10 and 11 through high-temperature-resistant metal sheets by insulating tubes, the connection method is triangular or star-shaped, an external high-voltage cable is connected with the high-voltage electric connection terminals, and a fusing protector 7 and a temperature sensor 8 are installed.
High voltage resistance tube hot air box is a heating element, need have supporting high tension switchgear to supply power heating for high voltage resistance tube subassembly 12, and low-voltage control cabinet control variable frequency fan operation, the utility model provides a high voltage resistance tube hot air box operation process as follows: the frequency conversion fan circular telegram operation sends into hot-blast case to cold air, gives high voltage resistance tube subassembly 12 ohmic heating through high tension switchgear, and hot-air is exported for the well head (or other with the thermal unit) heating from air outlet 2, gives PLC or computer system control wind temperature and fan frequency through temperature sensor 8 feedback signal, and fuse protector 7 prevents that the fan from stalling, the wind channel from blockking up, hot-blast case overheat protection when the system temperature is unusual.
Claims (6)
1. A high-voltage resistance tube hot air box is characterized by comprising a shell (3) arranged on a base (6), wherein one end of the shell (3) is provided with an air inlet (1), and the other end is provided with an air outlet (2); a high-voltage resistance tube assembly (12) is arranged in the shell (3), the high-voltage resistance tube assembly (12) comprises a plurality of high-voltage resistance electric heating tubes (13) which are arranged in parallel in a layered manner, two ends of the high-voltage resistance electric heating tubes (13) which are arranged in parallel in a multilayer manner are connected in parallel into a group by adopting high-temperature resistant metal sheets, the high-voltage resistance electric heating tubes are divided into a plurality of groups from top to bottom, and two ends of each group are connected in series by adopting the high-temperature resistant metal sheets to form; temperature sensors (8) are arranged at the air inlet (1) and the air outlet (2), and a fusing protector (7) is arranged inside the high-voltage resistance tube assembly (12); an access door (15) is arranged on the shell (3).
2. A high-voltage resistance tube hot air box according to claim 1, wherein the inner wall of the outer casing (3) is provided with an insulating plate (4), and the outside of the insulating plate (4) is provided with an insulating and heat-insulating layer (5).
3. A high-voltage resistance tube hot air box according to claim 1, wherein a plurality of high-voltage resistance tube assemblies (12) are arranged in parallel in the housing (3), and electrodes at both ends of each high-voltage resistance tube assembly (12) are connected with high-voltage electric terminals through high-temperature resistant metal sheets to form an electrode loop.
4. A high voltage resistance tube hot air box according to claim 1, characterized in that the bottom of the outer casing (3) is provided with a ground terminal (14).
5. A high-voltage resistance tube hot air box according to claim 1, wherein a plurality of high-voltage resistance tube (13) arranged in parallel are arranged in parallel on the heat-resistant insulating support in layers, the two ends of the plurality of layers of high-voltage resistance tube (13) arranged in parallel are connected in parallel by high-temperature-resistant metal sheets to form one group, and are divided into a plurality of groups from top to bottom, and the two ends of each group are connected in series by high-temperature-resistant metal sheets.
6. A high-voltage resistance tube hot air box according to claim 1, wherein the fuse protector (7) is an ultra high temperature alloy fuse protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577398.6U CN212081636U (en) | 2020-04-17 | 2020-04-17 | High-voltage resistance tube hot air box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577398.6U CN212081636U (en) | 2020-04-17 | 2020-04-17 | High-voltage resistance tube hot air box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212081636U true CN212081636U (en) | 2020-12-04 |
Family
ID=73595743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020577398.6U Active CN212081636U (en) | 2020-04-17 | 2020-04-17 | High-voltage resistance tube hot air box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212081636U (en) |
-
2020
- 2020-04-17 CN CN202020577398.6U patent/CN212081636U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210114 Address after: 211100 12 / F, building 3, Nanjing future science and Technology City, 12 mozhou East Road, moling street, Jiangning District, Nanjing City, Jiangsu Province Patentee after: JIANGSU ZHONGKE ZHICHU TECHNOLOGY Co.,Ltd. Address before: 210046 room 103, building 35, 128 Xianlin Avenue, Qixia District, Nanjing City, Jiangsu Province Patentee before: Ma Bin |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high voltage resistance tube hot air box Effective date of registration: 20211229 Granted publication date: 20201204 Pledgee: China Construction Bank Corporation Nanjing Zhongyangmen sub branch Pledgor: JIANGSU ZHONGKE ZHICHU TECHNOLOGY CO.,LTD. Registration number: Y2021980016924 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230106 Granted publication date: 20201204 Pledgee: China Construction Bank Corporation Nanjing Zhongyangmen sub branch Pledgor: JIANGSU ZHONGKE ZHICHU TECHNOLOGY CO.,LTD. Registration number: Y2021980016924 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high voltage resistance tube hot air box Effective date of registration: 20230112 Granted publication date: 20201204 Pledgee: China Construction Bank Corporation Nanjing Zhongyangmen sub branch Pledgor: JIANGSU ZHONGKE ZHICHU TECHNOLOGY CO.,LTD. Registration number: Y2023980031199 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201204 Pledgee: China Construction Bank Corporation Nanjing Zhongyangmen sub branch Pledgor: JIANGSU ZHONGKE ZHICHU TECHNOLOGY CO.,LTD. Registration number: Y2023980031199 |