CN209960887U

CN209960887U - Electric heating air blowing drying box for detecting oil temperature of power transformer

Info

Publication number: CN209960887U
Application number: CN201920598787.4U
Authority: CN
Inventors: 田源; 刘卫胜; 马永光
Original assignee: Jiaozuo Dongfang Xiangsheng Electrical Appliance Co Ltd
Current assignee: Jiaozuo Dongfang Xiangsheng Electrical Appliance Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-01-17
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses an electrothermal blowing drying oven for detecting the oil temperature of a power transformer, which comprises an oven body, wherein a power switch, an operation button, a display screen and an oven door are arranged on the front side of the oven body, a drying chamber surrounded by a heat preservation layer is arranged inside the oven body, a transverse supporting plate is arranged on the lower part of the drying chamber, the supporting plate and the heat preservation layer on the lower side form an induced air cavity, an induced air fan is arranged in the induced air cavity, an induced air opening is formed on the supporting plate, a vertical partition plate is arranged in the drying chamber, the partition plate and the heat preservation layer on the left side form a heating cavity, a heater is arranged in the heating cavity, a hot air vent is formed on the partition plate, and a working chamber is; the lower part of the working chamber is provided with an air purification device, and the upper part of the box body is provided with a gas safety valve communicated with the working chamber. The utility model discloses simple structure, maintenance convenience, saving space, purification efficiency are high.

Description

Electric heating air blowing drying box for detecting oil temperature of power transformer

Technical Field

The utility model belongs to the technical field of laboratory paraphernalia, concretely relates to power transformer oil temperature detects with electric heat blast air drying cabinet.

Background

At present, the electrothermal blowing dry box is widely applied to the industries of chemical industry, electronics, casting, automobiles, food, machinery, biotechnology and the like. The electric heating blowing drying box for detecting the oil temperature of the power transformer relates to a plurality of toxic and harmful chemical substances in use, and because the temperature rises in the drying process, a plurality of toxic and harmful substances are volatilized in two states of particles and gas, so that the laboratory environment is polluted, and the physical health of laboratory personnel and the quality of laboratory air are seriously harmed. Most of the existing electric heating blowing drying boxes for detecting the oil temperature of the power transformer do not treat the volatile toxic and harmful substances, and the problem that the toxic and harmful substances harm the health of laboratory personnel and the air quality of a laboratory can not be solved.

Chinese patent document CN206905433U discloses an environment-friendly electric heat blast air drying cabinet, which is provided with an air inlet at the bottom of the cabinet, the air inlet is communicated with a lower air duct, the top of the cabinet is provided with an air outlet pipe, one end of the air outlet pipe is communicated with the drying chamber, the other end is connected with a dehydration chamber air inlet at the top of the cabinet, and the air outlet of the dehydration chamber is connected with a detoxification chamber air inlet. The mixed gas discharged from the exhaust port of the drying oven is dried in the dehydration chamber, the dried mixed gas enters the detoxification chamber, and a detoxification layer formed by activated carbon in the detoxification chamber adsorbs harmful gas in the mixed gas. Although the device has avoided traditional electric heat blast air drying cabinet to improve operating personnel's operational environment with the environmental pollution phenomenon that harmful gas direct discharge caused, nevertheless has the following problem: firstly, only part of gas discharged by natural ventilation can be purified, and the purification rate is low; secondly, the particles cannot be effectively treated; thirdly, the exhaust takes away some hot air, which affects the heat efficiency; fourthly, the replacement of adsorbed substances in the dehydration chamber and the detoxification chamber is inconvenient; and fifthly, the top of the equipment is separately provided with a dehydration chamber and a detoxification chamber, so that the occupied space is large.

Therefore, the electrothermal blowing drying box for detecting the oil temperature of the power transformer, which is simple in structure, high in purification efficiency and convenient to maintain, is very necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power transformer oil temperature detects with electric heat blast air drying cabinet to solve the current electric heat blast air drying cabinet purification rate that provides in the above-mentioned background art lower, occupation space is great, and the thermal efficiency is reduced, dehydration room and detoxification room adsorbed material change inconvenient, can not carry out the problem of effective processing to the particulate matter.

In order to achieve the above object, the utility model provides a following technical scheme: an electric heating blowing drying oven for detecting the oil temperature of a power transformer comprises an oven body, wherein a power switch, an operation key, a display screen and an oven door are arranged on the front surface of the oven body, a drying chamber surrounded by a heat preservation layer is arranged inside the oven body, a transverse supporting plate is arranged at the lower part of the drying chamber, an induced air cavity is formed between the supporting plate and the heat preservation layer at the lower side of the drying chamber, an induced draft fan is arranged in the induced air cavity, an induced draft opening is formed in the supporting plate, a vertical partition plate is arranged in the drying chamber, a heating cavity is formed between the partition plate and the heat preservation layer at the left side of the drying chamber, a heater is arranged in the heating cavity, a hot air vent hole is formed in the partition; the supporting plate, the partition plate, the heat insulation layer on the upper side of the drying box and the heat insulation layer on the right side of the drying box jointly enclose a working chamber; an air purification device is arranged at the lower part of the working chamber, and a gas safety valve is arranged at the upper part of the box body and communicated with the working chamber. When the internal air is heated and pressurized to a certain degree, the safety valve automatically opens to release air, and the internal air pressure is maintained within a safety range.

Preferably, air purification device includes non-woven filter cloth layer, active carbon layer and net support, and the non-woven filter cloth can effectively filter the particulate matter that the poisonous and harmful substance distributes out in the heating process, and the active carbon layer can effectively adsorb the gaseous state thing that poisonous and harmful substance volatilizees out. The net support is positioned below the non-woven filter cloth layer and the activated carbon layer, and the air purification device is placed on the supporting strips symmetrically protruding from the left side and the right side of the working chamber. The air purification device can be conveniently taken out or put in, the non-woven filter cloth and the active carbon in the air purification device can be conveniently maintained, and harmful substances can be timely treated.

Preferably, the air purification device comprises 3 layers of non-woven filter cloth and 2 layers of activated carbon, and the non-woven filter cloth layer and the activated carbon layer are alternately arranged on the net support. Can improve the air purification efficiency and enhance the treatment effect of toxic and harmful substances.

Preferably, the air intake and the hot air vent of the air cleaning device are provided with convex semicircular wind blocking caps, so that the direction of the air flow can be controlled, and the air flow can be prevented from directly blowing to a heating substance.

Preferably, the non-woven filter cloth is 8000 meshes, ~ 10000 meshes and 10000 meshes, so that micro particles emitted by toxic and harmful substances can be better filtered.

Preferably, the setting pressure of the safety valve is 0.11MPa, and the design can better maintain the internal air pressure within a safety range, prevent the damage of overhigh pressure to the instrument and ensure the safe operation of the instrument.

The utility model discloses a theory of operation is: through the work of the induced draft fan, the hot air inside circulates and flows in the working chamber → the induced draft opening → the induced draft cavity → the heating cavity → the hot air vent → the working chamber, and when passing through the non-woven filter cloth layer and the activated carbon layer of the air purification device, the particles and harmful substances which are emitted by toxic and harmful substances are respectively filtered and adsorbed, so that the volatilization and the emission of the particles and the harmful substances are prevented from causing harm to human bodies and the environment. The upper part of the box body is also provided with a gas safety valve. When the inside air heating of case body steps up to certain degree, the automatic gassing of opening of gas relief valve maintains inside air pressure in safe range, prevents that the too high pressure from causing the damage to the device, guarantees the safe operation of device.

The beneficial effects of the utility model reside in that: the air purification device is arranged in the box body, so that the whole structure is simple, and the space is not occupied; the air purification device comprises a non-woven filter cloth layer, so that particles can be effectively filtered, toxic and harmful substances can be more thoroughly absorbed, and the operating environments of the induced draft fan and the heater can be purified; through the continuous circulation of inside gas through space purification device, the poisonous and harmful substance that makes the drying cabinet volatilize in the use obtains furthest's filtration and absorption, can effectively reduce giving off of poisonous and harmful substance, solves the problem that produces harm to human body and environment after poisonous and harmful substance gives off, can effectively protect air circumstance and personnel healthy.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the air purification device of the present invention.

In the figure, 1, a box body, 2, a power switch, 3, an operation key, 4, a display screen, 5, a heat insulation layer, 6, an air safety valve, 7, a working chamber, 8, a supporting plate, 9, an air inducing cavity, 10, an induced draft fan, 11, an induced draft opening, 12, a partition plate, 13, a heating cavity, 14, a heater, 15, a supporting strip, 16, an air purifying device, 161, a non-woven filter cloth layer, 162, an activated carbon layer and 163, a net support.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "left", "right", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The embodiment provides an electric heating blowing drying oven for detecting the oil temperature of a power transformer, please refer to the attached drawings in the specification.

The electrothermal blowing drying box for detecting the oil temperature of the power transformer comprises a box body 1, wherein a power switch 2, an operation key 3 and a display screen 4 are arranged on the front surface of the box body 1, a drying chamber surrounded by a heat-insulating layer 5 is arranged in the box body 1, a transverse supporting plate 8 is arranged at the lower part of the drying chamber, an air-inducing cavity 9 is formed between the supporting plate 8 and the heat-insulating layer at the lower side of the drying chamber, an air-inducing fan 10 is arranged in the air-inducing cavity 9, an air-inducing opening 11 is formed in the supporting plate 8, a vertical partition plate 12 is arranged in the drying chamber, a heating cavity 13 is formed between the partition plate 12 and the heat-insulating layer 5 at the left side of the drying chamber, a heater 14 is arranged in the heating cavity, a hot air vent hole is formed in the partition plate 12, and the lower end of; the supporting plate 8, the partition plate 12, the heat-insulating layer 5 on the upper side of the drying box and the heat-insulating layer 5 on the right side of the drying box jointly enclose a working chamber 7; the lower part of the working chamber 7 is provided with an air purification device 16, the air purification device 16 comprises a non-woven filter cloth layer 161, an activated carbon layer 162 and a net support 163, the non-woven filter cloth layer 161 can effectively filter particles emitted by toxic and harmful substances in the heating process, and the activated carbon layer 162 can effectively adsorb gaseous substances volatilized by the toxic and harmful substances. The non-woven filter cloth layer 161 is equipped with 3 layers, and activated carbon layer 162 is equipped with 2 layers, and non-woven filter cloth layer 161 and activated carbon layer 162 are located on net support 163 in turn, air purification device 16 places on the support bar 15 that the left and right sides symmetry of studio 7 is outstanding, can conveniently take out or put into air purification device 16, is convenient for maintain non-woven filter cloth and activated carbon in the air purification device 16, in time handles harmful substance. A gas safety valve 6 is arranged at the upper part of the box body 1, and the gas safety valve 6 is communicated with a working chamber 7.

The working principle is as follows: through the work of the induced draft fan, the internal hot air circularly flows in the working chamber 7 → the induced draft opening 11 → the induced draft cavity 9 → the heating cavity 13 → the hot air vent → the working chamber 7, and when passing through the non-woven filter cloth layer 161 and the activated carbon layer 162 of the air purification device 16, the particles and harmful substances emitted by the toxic and harmful substances are respectively filtered and adsorbed, so that the volatilization and emission of the particles and the harmful substances are prevented from causing harm to human bodies and the environment. When the heating of the air in the box body 1 is boosted to a certain degree, the gas safety valve 6 is automatically opened to release gas, the internal air pressure is maintained within a safety range, the device is prevented from being damaged due to overhigh pressure, and the safe operation of the device is ensured.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides a power transformer oil temperature detects with electric heat blast air drying cabinet, includes the case body openly is provided with switch, operation button, display screen and chamber door, the inside drying chamber that is surrounded by the heat preservation that is equipped with of case body, its characterized in that: the drying device is characterized in that a transverse supporting plate is arranged at the lower part of the drying chamber, an induced draft cavity is formed between the supporting plate and the heat preservation layer on the lower side of the drying chamber, an induced draft fan is arranged in the induced draft cavity, an induced draft opening is formed in the supporting plate, a vertical partition plate is arranged in the drying chamber, a heating cavity is formed between the partition plate and the heat preservation layer on the left side of the drying chamber, a heater is arranged in the heating cavity, a hot air vent hole is formed in the partition plate, and the lower end of the induced draft cavity; the supporting plate, the partition plate, the heat insulation layer on the upper side of the drying box and the heat insulation layer on the right side of the drying box jointly enclose a working chamber; an air purification device is arranged at the lower part of the working chamber, and a gas safety valve is arranged at the upper part of the box body and communicated with the working chamber.

2. The electrothermal blowing drying box for detecting the oil temperature of the power transformer as claimed in claim 1, wherein: air purification device includes non-woven filter cloth layer, activated carbon layer and net support, the net holds in the palm the below that is located non-woven filter cloth layer and activated carbon layer, air purification device places on the support bar that the studio left and right sides symmetry is outstanding.

3. The electrothermal blowing drying box for detecting the oil temperature of the power transformer as claimed in claim 2, wherein: the non-woven filter cloth layer is provided with 3 layers, the activated carbon layer is provided with 2 layers, and the non-woven filter cloth layer and the activated carbon layer are alternately arranged on the net support.

4. The electrothermal blowing drying box for detecting the oil temperature of the power transformer as claimed in claim 2, wherein the specification of the non-woven filter cloth used by the non-woven filter cloth layer is 8000 meshes, ~ 10000 meshes and 10000 meshes.

5. The electrothermal blowing drying box for detecting the oil temperature of the power transformer as claimed in claim 1, wherein: the induced air port and the hot air vent are both provided with convex semicircular wind-blocking caps.

6. The electrothermal blowing drying box for detecting the oil temperature of the power transformer as claimed in claim 1, wherein: the setting pressure of the gas safety valve is 0.11 MPa.