CN108172372B - Composite purifying combined explosion-proof moisture absorber - Google Patents
Composite purifying combined explosion-proof moisture absorber Download PDFInfo
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- CN108172372B CN108172372B CN201810147817.XA CN201810147817A CN108172372B CN 108172372 B CN108172372 B CN 108172372B CN 201810147817 A CN201810147817 A CN 201810147817A CN 108172372 B CN108172372 B CN 108172372B
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 91
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000001179 sorption measurement Methods 0.000 claims abstract description 22
- 238000000746 purification Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 64
- 238000000926 separation method Methods 0.000 claims description 37
- 239000011148 porous material Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004880 explosion Methods 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 4
- 239000002808 molecular sieve Substances 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004887 air purification Methods 0.000 abstract description 2
- 238000007791 dehumidification Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000011521 glass Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
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- 238000003883 substance clean up Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/28—Selection of materials for use as drying agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Drying Of Gases (AREA)
Abstract
A composite purification type combined explosion-proof moisture absorber relates to the field of air purification devices. The combined purifying type combined explosion-proof moisture absorber comprises a basic explosion-proof moisture absorber and a plurality of double-flange moisture absorbers, wherein the basic explosion-proof moisture absorber is connected with the double-flange moisture absorbers in series through a U-shaped connecting pipe, and a cylinder body of the basic explosion-proof moisture absorber is communicated with a cylinder body of the double-flange moisture absorber to form a purifying chamber. The structure utilizes the lower flange to connect a plurality of explosion-proof type moisture absorbers in series, and adds a plurality of adsorption materials, thereby being more beneficial to dehumidification and having the advantages of reasonable design, simple structure and convenient installation and maintenance.
Description
Technical Field
The invention relates to the field of air purification devices, in particular to a composite purification type combined explosion-proof moisture absorber for an oil immersed transformer.
Background
On an oil immersed transformer in the power industry, a simple glass moisture absorber is widely used, namely, a glass cylinder is clamped between an upper end socket and a lower end socket and is connected by a screw rod, a section of ventilation pipe orifice is protruded at the lower part of the lower end socket and is inserted into static sealing oil in an oil cup, and the structure has the following defects that (1) as the screw rod is connected, the fastening force is small, and a purifying chamber is easy to leak water and intake; (2) The purifying chamber is not provided with an inlet and an outlet, so that the adsorption material is inconvenient to replace; (3) the oil cup of the cylinder is made of glass material and is easy to break; (4) The single-layer vent pipe orifice is easy to cause sealing oil to splash out of an oil cup or be sucked into a purifying chamber along with passing gas, so as to pollute the adsorption material; (5) Because the moisture absorber is a single body, the air is filtered in the adsorption material for a short time, the air cannot be purified deeply and purified by chemical pollution except water, and the complex requirement of the power transformer on the air quality cannot be met.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a composite purifying type combined explosion-proof moisture absorber which is reasonable in design, simple in structure and convenient to install and maintain.
The technical scheme adopted by the invention is as follows: the combined purifying type combined explosion-proof moisture absorber is technically characterized by comprising a basic explosion-proof moisture absorber and a plurality of double-flange moisture absorbers, wherein the basic moisture absorber is connected with the double-flange moisture absorbers in series through a U-shaped connecting pipe, and a cylinder body of the basic moisture absorber is communicated with a cylinder body of the double-flange moisture absorber to form a communicated purifying chamber.
In the scheme, the basic explosion-proof moisture absorber comprises an upper sealing head, a cylinder body with a protective cover, a lower sealing head, a connecting disc and an oil cup, wherein an upper flange and an inlet for replacing an adsorption material are arranged on the upper sealing head, an upper plug is detachably connected to the inlet, an outlet for replacing the adsorption material is arranged on the lower sealing head, a lower plug is detachably connected to the outlet, the upper sealing head and the lower sealing head are connected together through a plurality of screws in a sealing mode, the connecting disc is fixed at the bottom of the lower sealing head, the oil cup is connected to the lower portion of the connecting disc, and an oil-gas separation assembly is arranged in the oil cup.
In the above scheme, the oil-gas separation assembly include the valve body of taking two-way air current passageway and cup joint the oil-gas separation formula breather mouth that constitutes together by the inlayer sleeve pipe that has interior gas vent, middle sleeve pipe, the outer sleeve pipe that has outer gas vent, inlayer sleeve pipe and middle sleeve pipe form first oil-gas separation chamber, middle sleeve pipe and outer sleeve pipe form second oil-gas separation chamber, the gas that is inhaled by the oil immersed transformer gets into first oil-gas separation chamber through the sealing oil, get into the barrel through the inlet channel of valve body from the interior exhaust hole, the gas that is exhaled by the oil immersed transformer gets into second oil-gas separation chamber through the sealing oil of the exhaust channel of valve body, discharge from the outer exhaust hole, still be equipped with the anti-oil-spraying cover that prevents oil splash to the oil cup inner wall outside the outer gas vent of outer sleeve pipe.
In the scheme, the bottom of the lower seal head is also clamped with the threaded connecting sleeve with the inclined mesh surface, the threaded connecting sleeve extends out of the lower seal head and is communicated with the oil-gas separation assembly, and the surface of the inclined mesh surface is adhered with a nylon mesh which can prevent the adsorption material from flowing out while keeping ventilation.
In the scheme, the upper part of the inner circle of the connecting disc is provided with an annular groove and three vertical grooves connected with the annular groove, the oil cup is provided with three clamping claws, a screw hole is arranged below one clamping claw, the oil cup is clamped into the annular groove of the connecting disc through the vertical grooves, the oil cup is rotated to enable the screw hole on the oil cup to be aligned with a semicircular bayonet on the connecting disc, the rotation-stopping screw is screwed on the screw hole, the oil cup is clamped with the connecting disc together, the rotation-stopping screw is unscrewed in operation, and the screw hole can be used as an oil injection hole.
In the scheme, the double-flange moisture absorber comprises an upper sealing head, a cylinder body with a protective cover and a lower sealing head, wherein an upper flange and an inlet for replacing an adsorption material are arranged on the upper sealing head, an upper plug is detachably connected to the inlet, an outlet for replacing the adsorption material is arranged on the lower sealing head, a lower plug is detachably connected to the outlet, the upper sealing head and the lower sealing head are connected together through a screw in a sealing manner, and an inclined net surface and a lower flange which are adhered with a layer of nylon net are further arranged on the lower sealing head.
In the scheme, the cylinder body is made of polycarbonate material; the guard shield is 304 corrosion resistant plate roll forming, and is equipped with a plurality of bar observation windows on the guard shield.
In the scheme, the air inlet process is as follows: external air enters the oil cup from a gap reserved between the oil cup and the connecting disc, oil surface of compressed sealing oil enters the first oil-gas separation cavity from the bottom edge of the opening of the ventilation pipe, gas separated by gravity passes through the inner exhaust hole, passes through the air inlet channel of the valve body bidirectional airflow channel, enters the cylinder of the basic anti-explosion moisture absorber, is purified by the cylinders of the double-flange moisture absorbers, finally enters the oil storage cabinet of the oil immersed transformer, and the sealing oil falls back into the oil cup to realize gravity separation;
The air outlet process is as follows: the gas exhaled from the oil immersed transformer enters the exhaust passage of the valve body through each barrel from the back to the front, the oil surface in the orifice of the compressed ventilation pipe reaches the bottom edge, and enters the second oil-gas separation cavity to realize oil-gas separation, and the separated gas is exhausted from the outer exhaust hole.
In the scheme, coarse pore allochroic silica gel is filled in the basic anti-explosion moisture absorber, fine pore allochroic silica gel is filled in the first double-flange moisture absorber connected with the basic anti-explosion moisture absorber, and 13X type molecular sieve is filled in the second double-flange moisture absorber connected with the first double-flange moisture absorber.
In the above-mentioned scheme, the third double-flange moisture absorber connected with the second double-flange moisture absorber is filled with activated alumina or activated carbon.
The beneficial effects of the invention are as follows: the combined purifying type combined explosion-proof moisture absorber comprises a basic explosion-proof moisture absorber and a plurality of double-flange moisture absorbers, wherein the basic explosion-proof moisture absorber is connected with the double-flange moisture absorbers in series through a U-shaped connecting pipe, and a cylinder body of the basic explosion-proof moisture absorber is communicated with a cylinder body of the double-flange moisture absorber to form a purifying chamber. The structure utilizes the lower flange to connect the explosion-proof type moisture absorbers in series, is more beneficial to dehumidification, and has the advantages of reasonable design, simple structure and convenient installation and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a composite purifying type combined explosion-proof dehumidifier in embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a basic explosion-proof moisture absorber in embodiment 2 of the present invention;
FIG. 3 is a schematic view of a dual flange breather in embodiment 3 of the present invention;
The numbers in the figures are illustrated as follows: the anti-explosion moisture absorber comprises a 1 basic type anti-explosion moisture absorber, a 1-1 upper flange, a 1-2 upper seal head, a 1-3 upper plug, a 1-4 shield, a 1-5 cylinder, a 1-6 adsorption material, a 1-7 screw rod, a 1-8 lower plug, a 1-9 lower seal head, a 1-10 connecting disc, a 1-11 screw hole, a 1-12 oil injection preventing cover, a 1-13 outer exhaust port, a 1-14 outer sleeve, a 1-15 inner exhaust port, a 1-16 middle sleeve, a 1-17 oil cup, a 1-18 inner sleeve, a 1-19 air inlet channel, a 1-20 valve body, a 1-21 exhaust channel, a 1-22 inclined net surface, a 2 double-flange moisture absorber, a 2-1 upper flange, a 2-2 upper seal head, a 2-3 cylinder, a 2-4 lower seal head, a 2-5 lower flange, a 2-6 observation window, a3 double-flange moisture absorber and a 4U-shaped connecting tube.
Detailed Description
The foregoing objects, features, and advantages of the invention will be more readily apparent from the following detailed description of the invention taken in conjunction with the accompanying drawings, figures 1-3, and detailed description of the invention.
Example 1:
The composite purification type combined explosion-proof moisture absorber adopted in the embodiment comprises a basic type explosion-proof moisture absorber 1 and a plurality of double-flange moisture absorbers 2, wherein the basic type explosion-proof moisture absorber 1 is connected with the double-flange moisture absorbers 2 in series through a U-shaped connecting pipe 4, and a cylinder body of the basic type explosion-proof moisture absorber 1 is communicated with a cylinder body of the double-flange moisture absorbers 2 to form a purification chamber.
Example 2:
The main difference between the embodiment and the embodiment 1 is that the basic anti-explosion moisture absorber 1 comprises an upper sealing head 5, a cylinder body 1-5 with a protective cover 1-4, a lower sealing head 1-9, a connecting disc 1-10 and an oil cup 1-17, wherein an upper flange 1-1 and an inlet for replacing an adsorption material 1-6 are arranged on the upper sealing head 1-2, an upper plug 1-3 is detachably connected at the inlet, an outlet for replacing the adsorption material 1-6 is arranged on the lower sealing head 1-9, a lower plug 1-8 is detachably connected at the outlet, the upper sealing head 1-2 and the lower sealing head 1-9 are connected together in a sealing way through four screws 1-7, the connecting disc 1-10 is fixed at the bottom of the lower sealing head 1-9, the oil cup 1-17 is arranged at the lower part of the connecting disc 1-10, and an oil-gas separation component is arranged in the oil cup 1-17.
The oil-gas separation assembly in the embodiment comprises a valve body with a bidirectional airflow channel, and a vent pipe orifice formed by sleeving an inner sleeve 1-18 with an inner vent 1-15, a middle sleeve 1-16 and an outer sleeve 1-14 with an outer vent 1-13, wherein the inner sleeve 1-18 and the middle sleeve 1-16 form a first oil-gas separation cavity, the middle sleeve 1-16 and the outer sleeve 1-14 form a second oil-gas separation cavity, the first oil-gas separation cavity is communicated with an exhaust channel 1-21 in the bidirectional airflow channel of the valve body 1-20, and the second oil-gas separation cavity is communicated with an air inlet channel 1-19 in the bidirectional airflow channel of the valve body 1-20. The gas inhaled by the oil immersed transformer enters the first oil-gas separation cavity through the sealing oil, enters the cylinder body through the air inlet channel of the valve body from the inner exhaust hole, and the gas exhaled by the oil immersed transformer enters the second oil-gas separation cavity through the sealing oil through the air outlet channel of the valve body and is exhausted from the outer exhaust hole.
The outer exhaust port 1-13 of the outer sleeve 1-14 is also provided with an oil spraying prevention cover 1-12 for preventing oil from splashing on the inner wall of the oil cup 1-17.
The bottom of the lower seal head 1-9 is also clamped with a thread connecting sleeve with an inclined net surface 1-22, and the thread connecting sleeve extends out of the lower seal head 1-2 and is communicated with the oil-gas separation assembly. The surface of the inclined net surface is adhered with a nylon net layer with the thickness of 1.5mm to 1.5mm, and the air ventilation is kept and the outflow of the adsorption material is prevented.
The upper part of the inner circle of the connecting disc 1-10 is provided with an annular groove and three vertical grooves connected with the annular groove, the oil cup 1-17 is provided with three clamping jaws, a wire hole 1-11 for adding sealing oil is arranged below one clamping jaw, the oil cup 1-17 is rotated to enable the oil cup 1-17 to enter the annular groove of the connecting disc 1-10 through the vertical grooves, the wire hole 1-11 on the oil cup 1-17 is aligned with a semicircular bayonet on the connecting disc 1-10, and the oil cup 1-17 is clamped with the connecting disc 1-10. The screw holes 1-11 are also provided with rotation stopping screws, the rotation stopping screws can fix the oil cup and the connecting disc, and meanwhile, the screw holes 1-11 can be sealed to prevent sealing oil from being polluted.
The cylinder 1-5 in this embodiment is made of polycarbonate material. The shield 1-4 is formed by 304 stainless steel coil, and a plurality of strip-shaped observation windows are arranged on the shield 1-4.
The double-flange moisture absorber 2 in the embodiment comprises an upper sealing head 2-2, a cylinder body 2-3 with a protective cover and a lower sealing head 2-4, wherein an upper flange 2-1 and an inlet for replacing an adsorption material are arranged on the upper sealing head 2-2, an upper plug is detachably connected to the inlet, an outlet for replacing the adsorption material is arranged on the lower sealing head, a lower plug is detachably connected to the outlet, the upper sealing head and the lower sealing head are connected together through a screw in a sealing mode, and a lower flange 2-5 is further arranged on the lower sealing head.
The cylinder 2-3 in the embodiment is made of polycarbonate material; the shield is formed by 304 stainless steel coil, and a plurality of strip-shaped observation windows 2-6 are arranged on the shield.
The composite purification type combined explosion-proof dehumidifier in the embodiment can be formed by connecting a basic explosion-proof dehumidifier 1, two double-flange dehumidifiers 2 and two double-flange dehumidifiers 3 in series, or can be formed by connecting a basic explosion-proof dehumidifier 1 and a plurality of double-flange dehumidifiers 2 in series, and a user can select according to actual conditions. In the embodiment, the coarse pore allochroic silica gel is filled in the basic explosion-proof moisture absorber, so that the method is favorable for quickly absorbing water under high humidity. And the first double-flange moisture absorber connected with the basic explosion-proof moisture absorber is filled with the pore color-changing silica gel, so that the air can be deeply purified. And a 13X type molecular sieve is filled in a second double-flange moisture absorber connected with the first double-flange moisture absorber so as to absorb finer water molecules and realize finer and deeper compound purification. The third double flange moisture absorber connected with the second double flange moisture absorber is filled with activated alumina to further absorb moisture and acid, alkali, salt and other harmful substances which corrode metals.
The coarse pore allochroic silica gel adopted in the embodiment is a particle body with a coarse pore structure, has higher adsorption capacity under high humidity, is more than twice of that of the fine pore allochroic silica gel, and has excellent performance of absorbing the water molecules for coarse purification. The pore color-changing silica gel is a particle body with a pore structure, has higher adsorption capacity under lower humidity, and can adsorb smaller water molecules which cannot be adsorbed by the coarse pore color-changing silica gel. The 13X type molecular sieve is a particle body with a micro-pore structure, can absorb water molecules less than 10A, and has excellent deep purification performance. The activated alumina is white spherical particles, has a dehumidifying effect and has the following functions: deacidification, dealkalization, desalination, arsenic removal, fluorine removal and the like.
The working process of the composite purification type combined explosion-proof moisture absorber in the embodiment is as follows:
The air inlet process is as follows: external air enters the oil cup from a gap reserved between the oil cup and the connecting disc, oil surface of compressed sealing oil enters the first oil-gas separation cavity from the bottom edge of the vent pipe opening, gas separated by gravity passes through the inner vent hole, enters the cylinder of the basic explosion-proof moisture absorber after passing through the air inlet channel of the valve body bidirectional airflow channel, the cylinder of the first double-flange moisture absorber, the cylinder … … of the purifying chamber, the cylinder of the second double-flange moisture absorber and the cylinder of the third double-flange moisture absorber, finally enters the oil storage cabinet of the oil immersed transformer, and sealing oil falls back into the oil cup to realize gravity separation.
The air outlet process is as follows: the air outlet process is as follows: the gas exhaled from the oil immersed transformer enters the exhaust passage of the valve body through each barrel from the back to the front, the oil surface in the orifice of the compressed ventilation pipe reaches the bottom edge, and enters the second oil-gas separation cavity to realize oil-gas separation, and the separated gas is exhausted from the outer exhaust hole.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The composite purifying type combined explosion-proof moisture absorber is characterized by comprising a basic explosion-proof moisture absorber and a plurality of double-flange moisture absorbers, wherein the basic explosion-proof moisture absorber is connected with the double-flange moisture absorbers in series through a U-shaped connecting pipe, and a cylinder body of the basic explosion-proof moisture absorber is communicated with a cylinder body of the double-flange moisture absorber to form a communicated purifying chamber;
The basic explosion-proof moisture absorber comprises an upper sealing head, a cylinder body with a protective cover, a lower sealing head, a connecting disc and an oil cup, wherein the upper sealing head is provided with an upper flange and an inlet for replacing an adsorption material, an upper plug is detachably connected to the inlet, an outlet for replacing the adsorption material is formed in the lower sealing head, the outlet is detachably connected with the lower plug, the upper sealing head and the lower sealing head are connected together in a sealing manner through a plurality of screws, the connecting disc is fixed at the bottom of the lower sealing head, the lower part of the connecting disc is connected with the oil cup, and an oil-gas separation assembly is arranged in the oil cup;
The oil-gas separation assembly comprises a valve body with a bidirectional airflow channel, and an oil-gas separation type ventilation pipe orifice formed by sleeving an inner sleeve with an inner exhaust port, a middle sleeve and an outer sleeve with an outer exhaust port together, wherein the inner sleeve and the middle sleeve form a first oil-gas separation cavity, the middle sleeve and the outer sleeve form a second oil-gas separation cavity, gas inhaled by the oil immersed transformer enters the first oil-gas separation cavity through sealing oil, enters a cylinder body from the inner exhaust port through an air inlet channel of the valve body, gas exhaled by the oil immersed transformer enters the second oil-gas separation cavity through sealing oil through an exhaust channel of the valve body and is exhausted from the outer exhaust port, and an oil spraying prevention cover for preventing oil from splashing on the inner wall of the oil cup is arranged outside the outer exhaust port of the outer sleeve;
The double-flange moisture absorber comprises an upper sealing head, a cylinder body with a protective cover and a lower sealing head, wherein an upper flange and an inlet for replacing an adsorption material are arranged on the upper sealing head, an upper plug is detachably connected to the inlet, an outlet for replacing the adsorption material is arranged on the lower sealing head, a lower plug is detachably connected to the outlet, the upper sealing head and the lower sealing head are connected together through a screw rod in a sealing manner, and an inclined net surface and a lower flange for adhering and covering a layer of nylon net are further arranged on the lower sealing head.
2. The composite purifying type combined explosion-proof moisture absorber of claim 1, wherein a screw thread connecting sleeve with an inclined net surface is also clamped at the bottom of the lower end socket, the screw thread connecting sleeve extends out of the lower end socket and is communicated with the oil-gas separation assembly, and a nylon net capable of preventing an adsorption material from flowing out is adhered on the surface of the inclined net surface while ventilation is maintained.
3. The composite purifying type combined explosion-proof moisture absorber as set forth in claim 1, wherein the upper part of the inner circle of the connecting disc is provided with an annular groove and three vertical grooves connected with the annular groove, the oil cup is provided with three claws, a screw hole is arranged below one of the claws, the oil cup is clamped into the annular groove of the connecting disc through the vertical grooves, the screw hole on the oil cup is aligned with the semicircular bayonet on the connecting disc by rotating the oil cup, the rotation-stopping screw is screwed on the screw hole, the oil cup is clamped with the connecting disc, and the rotation-stopping screw is unscrewed in operation, and the screw hole can be used as an oil filling hole.
4. The composite purification type combined explosion-proof moisture absorber as set forth in claim 1, wherein said cylinder is made of polycarbonate material; the guard shield is 304 corrosion resistant plate roll forming, and is equipped with a plurality of bar observation windows on the guard shield.
5. The composite purifying type combined explosion-proof moisture absorber according to claim 1, wherein the air intake process is as follows: external air enters the oil cup from a gap reserved between the oil cup and the connecting disc, oil surface of compressed sealing oil enters the first oil-gas separation cavity from the bottom edge of the opening of the ventilation pipe, gas separated by gravity passes through the inner exhaust hole, passes through the air inlet channel of the valve body bidirectional airflow channel, enters the cylinder of the basic anti-explosion moisture absorber, is purified by the cylinders of the double-flange moisture absorbers, finally enters the oil storage cabinet of the oil immersed transformer, and the sealing oil falls back into the oil cup to realize gravity separation;
The air outlet process is as follows: the gas exhaled from the oil immersed transformer enters the exhaust passage of the valve body through each barrel from the back to the front, the oil surface in the orifice of the compressed ventilation pipe reaches the bottom edge, and enters the second oil-gas separation cavity to realize oil-gas separation, and the separated gas is exhausted from the outer exhaust hole.
6. The composite purification type combined explosion-proof absorber according to claim 1, wherein coarse pore color-changing silica gel is filled in the basic type explosion-proof absorber, fine pore color-changing silica gel is filled in a first double-flange absorber connected with the basic type explosion-proof absorber, and a 13X type molecular sieve is filled in a second double-flange absorber connected with the first double-flange absorber.
7. The composite purifying type combined explosion proof absorber according to claim 6, wherein activated alumina or activated carbon is filled in a third double flange absorber connected to the second double flange absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810147817.XA CN108172372B (en) | 2018-02-13 | 2018-02-13 | Composite purifying combined explosion-proof moisture absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810147817.XA CN108172372B (en) | 2018-02-13 | 2018-02-13 | Composite purifying combined explosion-proof moisture absorber |
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| CN108172372A CN108172372A (en) | 2018-06-15 |
| CN108172372B true CN108172372B (en) | 2024-05-31 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198622A (en) * | 1989-10-13 | 1993-03-30 | Asea Brown Boveri Ab | Condenser body for the field control of the connection of a transformer bushing |
| JPH09219320A (en) * | 1996-02-09 | 1997-08-19 | Toshiba Corp | Tap change-over transformer for load |
| KR200367537Y1 (en) * | 2004-08-16 | 2004-11-12 | 삼정전기공업 주식회사 | A dehydrating breather for transformer |
| CN203966746U (en) * | 2014-07-21 | 2014-11-26 | 红旗集团温州变压器有限公司 | Oil-filled transformer with respirator |
| CN204720286U (en) * | 2015-06-12 | 2015-10-21 | 国网山西省电力公司电力科学研究院 | Oil-immersed power transformer intelligence moisture absorption apparatus |
| CN205159044U (en) * | 2015-11-23 | 2016-04-13 | 天津双沽机电设备有限公司 | Oil -immersed transformer |
| CN208061811U (en) * | 2018-02-13 | 2018-11-06 | 沈阳新工变压器附件厂 | Composite purification formula combines explosion-proof moisture absorber |
-
2018
- 2018-02-13 CN CN201810147817.XA patent/CN108172372B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198622A (en) * | 1989-10-13 | 1993-03-30 | Asea Brown Boveri Ab | Condenser body for the field control of the connection of a transformer bushing |
| JPH09219320A (en) * | 1996-02-09 | 1997-08-19 | Toshiba Corp | Tap change-over transformer for load |
| KR200367537Y1 (en) * | 2004-08-16 | 2004-11-12 | 삼정전기공업 주식회사 | A dehydrating breather for transformer |
| CN203966746U (en) * | 2014-07-21 | 2014-11-26 | 红旗集团温州变压器有限公司 | Oil-filled transformer with respirator |
| CN204720286U (en) * | 2015-06-12 | 2015-10-21 | 国网山西省电力公司电力科学研究院 | Oil-immersed power transformer intelligence moisture absorption apparatus |
| CN205159044U (en) * | 2015-11-23 | 2016-04-13 | 天津双沽机电设备有限公司 | Oil -immersed transformer |
| CN208061811U (en) * | 2018-02-13 | 2018-11-06 | 沈阳新工变压器附件厂 | Composite purification formula combines explosion-proof moisture absorber |
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| CN108172372A (en) | 2018-06-15 |
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