CN112556191A - Mining safety-increasing electric heater and mounting method thereof - Google Patents
Mining safety-increasing electric heater and mounting method thereof Download PDFInfo
- Publication number
- CN112556191A CN112556191A CN202011618014.1A CN202011618014A CN112556191A CN 112556191 A CN112556191 A CN 112556191A CN 202011618014 A CN202011618014 A CN 202011618014A CN 112556191 A CN112556191 A CN 112556191A
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- Prior art keywords
- heating box
- fixedly connected
- electric heater
- clamping
- box body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a mining safety-increasing electric heater and an installation method thereof, and the mining safety-increasing electric heater comprises a bottom frame, wherein a heating box body is fixedly connected to the bottom frame, an air inlet is formed in the left side of the heating box body, an air outlet is formed in the right side of the heating box body, a plurality of groups of heating pipes are fixedly installed in the heating box body, junction boxes are symmetrically and fixedly connected to the heating box body, a mining intrinsic safety type thermal resistor is fixedly connected to one side, close to the air outlet, of the heating box body, and an axial flow fan is fixedly installed at the air. When the dustproof net is installed, the dustproof net is firstly clamped on the inner wall of the air inlet, the fixing screw nuts are rotated, the screw rods drive the threaded sleeves at the two ends to be tightened, the elastic parts are tightly attached to the clamping rods, so that the dustproof net is tightly fixed at the opening of the shell flange, only the fixing screw nuts are required to be reversed to remove the abutting action of the elastic parts on the clamping rods during disassembly, and the dustproof net is very convenient to disassemble and assemble.
Description
Technical Field
The invention relates to the technical field of electric heaters, in particular to a mining safety-increasing electric heater and an installation method thereof.
Background
According to the Chinese patent publication numbers: CN209523734U, an anti-freezing and anti-explosion electric heater for a mine wellhead, which comprises an inner shell, an outer shell and an electric heater, wherein the inner shell is arranged in the outer shell through a fixing device, the electric heater is arranged in the inner shell, the outer shell has the same structure as the inner shell, the inner shell is provided with an air inlet and an air outlet, and the electric heater is positioned between the air inlet and the air outlet; a gas detector and a first alarm are arranged at the air inlet and fixedly connected above the outer shell; the air outlet is provided with a temperature sensor, a gas detector and a second alarm, and the electric heater can effectively prevent freezing and explosion.
However, when the electric heater sucks and heats gas, a large amount of dust is brought in, and some large-particle dust is attached to the heating pipe, so that the heat transfer efficiency is low, the heating speed is affected, and frequent cleaning is needed when a filter screen is additionally arranged. But is very inconvenient to disassemble and assemble.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, as the electric heater brings a large amount of dust when sucking and heating gas, and some large-particle dust is attached to a heating pipe, the heat transfer efficiency is low, the heating speed is influenced, and a filter screen needs to be frequently cleaned when being additionally arranged. But the disassembly and the assembly are very inconvenient, and provides a mining safety-increasing electric heater and an installation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an increased safety electric heater for mining comprises a bottom frame, a heating box body is fixedly connected on the bottom frame, the left side of the heating box body is provided with an air inlet, the right side of the heating box body is provided with an air outlet, a plurality of groups of heating pipes are fixedly arranged in the heating box body, junction boxes are symmetrically and fixedly connected on the heating box body, one side of the heating box body close to the air outlet is fixedly connected with a mine intrinsic safety type thermal resistor, an axial flow fan is fixedly arranged at the air inlet, the air inlet end of the air inlet is fixedly connected with a shell flange, a dust screen is arranged in the air inlet, a plurality of clamping rods are symmetrically and fixedly connected on the dustproof net and the shell flange, the clamping rods are respectively positioned at the turning points of the dustproof net and the shell flange, the clamping rod is clamped with a clamping piece, one side of the clamping piece is fixedly connected with a threaded sleeve, and the threaded sleeve is in threaded connection with a screw rod.
Preferably, external threads are symmetrically arranged at two ends of the screw rod, the rotating directions of the external threads are opposite at the two ends, and a fixed nut is fixedly inserted into the middle point of the screw rod in a penetrating manner.
Preferably, a clamping hole is formed in the clamping piece, anti-skid grains are arranged on the inner wall of the clamping hole, and an elastic part is arranged on the clamping piece.
Preferably, the dust screen is fixedly connected with a sealing ring, and the sealing ring is tightly attached to the inner wall of the air inlet.
Preferably, the bottom side of the axial flow fan is symmetrically and fixedly connected with supporting rods, and one ends, far away from the axial flow fan, of the supporting rods are fixedly connected to the bottom frame.
Preferably, the heating pipes are distributed at equal intervals to ensure heating efficiency, and the heating box body is wrapped with heat insulation materials.
An installation method of a mining safety-increasing electric heater comprises the following steps,
(1) the axial flow fan (5) is started to suck air into the heating box body (2) from the air inlet (8) for heating, and large-particle dust in the air is effectively filtered through the dust screen (12);
(2) the dust screen (12) is installed, so that the dust screen (12) is clamped on the inner wall of the air inlet (8), clamping holes in the clamping pieces (13) are clamped on the clamping rods (18), and then the rotating nut (16) is fixed in a rotating mode;
(3) under the screw-thread fit of the screw rod (15) and the thread bush (14), the screw rod (15) drives the thread bushes (14) at two ends to be tightened, and the elastic part (17) is tightly attached to the clamping rod (18), so that the dust screen (12) is tightly fixed at the opening of the shell flange (7).
Compared with the prior art, the invention has the beneficial effects that:
1. inhale the air to the heating box in from the air intake with axial fan through the start and heat, the large granule dust in the air carries out effective filtration through the dust screen to avoid with the direct contact of heating pipe, guarantee the heat transfer efficiency of heating pipe.
2. When installing the dust screen, at first make the dust screen chucking on the inner wall of air intake, through the card hole card on with the fastener on the kelly, then the rotatory fixed nut that revolves, under the screw-thread fit of lead screw and thread bush, make the lead screw drive the thread bush at both ends and tighten up, elastic component tightly laminates on the kelly, thereby fix the dust screen at the opening part of casing flange tightly, only need the fixed nut that revolves of reversal to relieve the tight effect of support of elastic component to the kelly during dismantlement can, make the dismouting of dust screen all very convenient, the washing maintenance work in the later stage of being convenient for.
Drawings
Fig. 1 is a schematic front structural view of a mining safety-enhanced electric heater provided by the invention;
FIG. 2 is a schematic side view of an increased safety electric heater for mining according to the present invention;
fig. 3 is an enlarged schematic view of a point a in fig. 2.
In the figure: 1-bottom frame, 2-heating box body, 3-junction box, 4-support rod, 5-axial flow fan, 6-heating pipe, 7-shell flange, 8-air inlet, 9-mine intrinsic safety type thermal resistor, 10-air outlet, 11-sealing ring, 12-dust screen, 13-clamping piece, 14-thread sleeve, 15-screw rod, 16-fixed nut, 17-elastic part and 18-clamping rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a mining safety-increasing electric heater comprises a bottom frame 1, a heating box body 2 is fixedly connected to the bottom frame 1, an air inlet 8 is formed in the left side of the heating box body 2, an air outlet 10 is formed in the right side of the heating box body 2, a plurality of groups of heating pipes 6 are fixedly installed in the heating box body 2, the heating pipes 6 are distributed at equal intervals to ensure heating efficiency, a heat insulation material is wrapped outside the heating box body 2 to reduce heat loss, junction boxes 3 are symmetrically and fixedly connected to the heating box body 2, a mining intrinsic safety type thermal resistor 9 is fixedly connected to one side, close to the air outlet 10, of the heating box body 2, an axial flow fan 5 is fixedly installed at the air inlet 8, supporting rods 4 are symmetrically and fixedly connected to the bottom side of the axial flow fan 5, one end, far away from the axial flow fan 5, of the supporting rods 4, the air inlet end fixedly connected with casing flange 7 of air intake 8 sets up dust screen 12 in the air intake 8, fixedly connected with sealing washer 11 on the dust screen 12, and sealing washer 11 tightly laminates with 8 inner walls of air intake, guarantees the leakproofness for the air can only pass through from dust screen 12.
Equal a plurality of kellies 18 of symmetry fixedly connected with on dust screen 12 and the casing flange 7, the card hole has been seted up on fastener 13, the downthehole wall of card is equipped with anti-skidding line, be provided with elastic component 17 on fastener 13, when the thread bush 14 tightens up, elastic deformation can take place for elastic component 17, and tightly laminate on fastener 18, a plurality of kellies 18 each turning point department that is located dust screen 12 and casing flange 7 respectively, the joint has fastener 13 on the fastener 18, one side fixedly connected with thread bush 14 of fastener 13, threaded connection has lead screw 15 on the thread bush 14, lead screw 15 both ends symmetry is equipped with the external screw thread, both ends external screw thread revolves to opposite, fixed round nut 16 has been interlude in lead screw 15 mid point department, can be so that both ends threaded connection's thread bush 14 is close to each other through rotatory fixed round nut 16, thereby tighten up the work.
An installation method of a mining safety-increasing electric heater comprises the following steps,
(1) the axial flow fan 5 is started to suck air into the heating box body 2 from the air inlet 8 for heating, and large-particle dust in the air is effectively filtered through the dust screen 12;
(2) installing the dust screen 12, clamping the dust screen 12 on the inner wall of the air inlet 8, clamping the clamping holes on the clamping pieces 13 on the clamping rods 18, and then rotationally fixing the nut 16;
(3) under the screw thread fit of the screw rod 15 and the thread bush 14, the screw rod 15 drives the thread bushes 14 at two ends to be tightened, and the elastic part 17 is tightly attached to the clamping rod 18, so that the dust screen 12 is tightly fixed at the opening of the shell flange 7.
In the invention, the axial flow fan 5 is started to suck air from the air inlet 8 into the heating box body 2 for heating, large-particle dust in the air is effectively filtered through the dustproof net 12, so that direct contact with the heating pipe 6 is avoided, the heat transfer efficiency of the heating pipe 6 is ensured, when the dustproof net 12 is installed, the dustproof net 12 is firstly clamped on the inner wall of the air inlet 8, the clamping hole on the clamping piece 13 is clamped on the clamping rod 18, then the fixed rotary nut 16 is rotated, under the threaded matching of the screw rod 15 and the threaded sleeve 14, the screw rod 15 drives the threaded sleeves 14 at two ends to be tightened, the elastic part 17 is tightly attached on the clamping rod 18, so that the dustproof net 12 is tightly fixed at the opening of the shell flange 7, only the fixed rotary nut 16 needs to be reversely rotated to relieve the abutting action of the elastic part 17 on the clamping rod 18 during disassembly, and the disassembly of the dustproof net 12 is very convenient, the cleaning and maintenance work at the later stage is convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a mining increase ampere type electric heater, includes underframe (1), its characterized in that, fixedly connected with heating box (2) on underframe (1), the left side of heating box (2) is provided with air intake (8), the right side of heating box (2) is provided with air outlet (10), fixed mounting has multiunit heating pipe (6) in heating box (2), symmetrical fixedly connected with terminal box (3) on heating box (2), one side fixedly connected with mining this ampere type thermal resistance (9) of heating box (2) near air outlet (10), air intake (8) department fixed mounting has axial fan (5), the air intake end fixedly connected with casing flange (7) of air intake (8), set up dust screen (12) in air intake (8), equal symmetrical fixedly connected with a plurality of kellies (18) on dust screen (12) and casing flange (7), the clamping rods (18) are respectively located at the turning points of the dust screen (12) and the shell flange (7), the clamping pieces (13) are clamped on the clamping rods (18), one side of each clamping piece (13) is fixedly connected with a threaded sleeve (14), and the threaded sleeves (14) are in threaded connection with screw rods (15).
2. The mining safety-increasing electric heater according to claim 1, characterized in that external threads are symmetrically arranged at two ends of the screw rod (15), the rotating directions of the external threads at the two ends are opposite, and a fixed nut (16) is fixedly inserted in the middle point of the screw rod (15).
3. The mining safety-enhanced electric heater according to claim 1, wherein a clamping hole is formed in the clamping piece (13), anti-slip lines are arranged on the inner wall of the clamping hole, and an elastic part (17) is arranged on the clamping piece (13).
4. The mining safety-increasing electric heater according to claim 1, characterized in that a sealing ring (11) is fixedly connected to the dust screen (12), and the sealing ring (11) is tightly attached to the inner wall of the air inlet (8).
5. The mining safety-enhanced electric heater according to claim 1, characterized in that the bottom side of the axial flow fan (5) is symmetrically and fixedly connected with support rods (4), and one end of each support rod (4) far away from the axial flow fan (5) is fixedly connected to the bottom frame (1).
6. The mining safety-increasing electric heater according to claim 1, characterized in that the heating pipes (6) are distributed at equal intervals, and the heating box body (2) is wrapped with a thermal insulation material.
7. The mounting method of the mining safety-enhanced electric heater according to claim 1, characterized by comprising the following steps,
(1) the axial flow fan (5) is started to suck air into the heating box body (2) from the air inlet (8) for heating, and large-particle dust in the air is effectively filtered through the dust screen (12);
(2) the dust screen (12) is installed, so that the dust screen (12) is clamped on the inner wall of the air inlet (8), clamping holes in the clamping pieces (13) are clamped on the clamping rods (18), and then the rotating nut (16) is fixed in a rotating mode;
(3) under the screw-thread fit of the screw rod (15) and the thread bush (14), the screw rod (15) drives the thread bushes (14) at two ends to be tightened, and the elastic part (17) is tightly attached to the clamping rod (18), so that the dust screen (12) is tightly fixed at the opening of the shell flange (7).
Priority Applications (1)
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CN202011618014.1A CN112556191B (en) | 2020-12-31 | 2020-12-31 | Mining safety-increasing electric heater and mounting method thereof |
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CN202011618014.1A CN112556191B (en) | 2020-12-31 | 2020-12-31 | Mining safety-increasing electric heater and mounting method thereof |
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CN112556191A true CN112556191A (en) | 2021-03-26 |
CN112556191B CN112556191B (en) | 2022-03-22 |
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Citations (17)
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JPH11316050A (en) * | 1998-05-06 | 1999-11-16 | Matsushita Electric Ind Co Ltd | Hot air heater with air cleaner |
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CN208887109U (en) * | 2018-08-07 | 2019-05-21 | 江苏凯博防爆电气有限公司 | A kind of duct insert heater that stability is high |
CN209116543U (en) * | 2018-09-22 | 2019-07-16 | 东莞赛斯泰热力技术有限公司 | A kind of AEI electric calorifier |
CN209523734U (en) * | 2018-10-13 | 2019-10-22 | 镇江市东方节能设备有限公司 | Mining wellhead anti-freezing anti-explosion electric heater |
CN210722621U (en) * | 2019-11-13 | 2020-06-09 | 河南安益达电工有限公司 | Dustproof box-type transformer |
CN211060395U (en) * | 2019-11-25 | 2020-07-21 | 广州和依德厨具有限公司 | Novel electric hot air circulating furnace |
US10773197B1 (en) * | 2019-02-06 | 2020-09-15 | Joshua Bishop | Air purification system |
CN211781976U (en) * | 2020-03-20 | 2020-10-27 | 山西中能远大机电设备有限公司 | Mine heating unit |
CN213126501U (en) * | 2020-10-22 | 2021-05-04 | 江苏凯博斯防爆电加热器有限公司 | Energy-saving air duct type electric heater |
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2020
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JPH11316050A (en) * | 1998-05-06 | 1999-11-16 | Matsushita Electric Ind Co Ltd | Hot air heater with air cleaner |
JP2000130836A (en) * | 1998-10-28 | 2000-05-12 | Daikin Ind Ltd | Filter unit-mounting structure for air conditioner |
EP1331982A1 (en) * | 2000-10-18 | 2003-08-06 | STEGO-Holding GmbH | Hood for a filter fan |
US20060168925A1 (en) * | 2005-02-01 | 2006-08-03 | Whittemore Jeffrey P | Filter mounts for a portable fan and methods for mounting a filter to a portable fan |
JP2007107841A (en) * | 2005-10-14 | 2007-04-26 | Hashimoto Kinzoku Kogyo Kk | Circulation connector for bathtub |
US20070186873A1 (en) * | 2006-02-13 | 2007-08-16 | Nikolay Polkhouskiy | Pressure control isolation and flood preventative tank for a hot water based heating system |
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CN204098860U (en) * | 2014-09-18 | 2015-01-14 | 张晓帆 | A kind of crude processing integrated apparatus |
CN107976693A (en) * | 2017-11-23 | 2018-05-01 | 重庆市奥彬科技有限公司 | High accuracy positioning direction-finding receiver |
CN208887109U (en) * | 2018-08-07 | 2019-05-21 | 江苏凯博防爆电气有限公司 | A kind of duct insert heater that stability is high |
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CN210722621U (en) * | 2019-11-13 | 2020-06-09 | 河南安益达电工有限公司 | Dustproof box-type transformer |
CN211060395U (en) * | 2019-11-25 | 2020-07-21 | 广州和依德厨具有限公司 | Novel electric hot air circulating furnace |
CN211781976U (en) * | 2020-03-20 | 2020-10-27 | 山西中能远大机电设备有限公司 | Mine heating unit |
CN213126501U (en) * | 2020-10-22 | 2021-05-04 | 江苏凯博斯防爆电加热器有限公司 | Energy-saving air duct type electric heater |
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