CN114704900B - Gas protection ventilation unit is used to occupational health safety - Google Patents
Gas protection ventilation unit is used to occupational health safety Download PDFInfo
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- CN114704900B CN114704900B CN202210274243.9A CN202210274243A CN114704900B CN 114704900 B CN114704900 B CN 114704900B CN 202210274243 A CN202210274243 A CN 202210274243A CN 114704900 B CN114704900 B CN 114704900B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a gas-proof ventilation device for occupational health and safety, which structurally comprises a gas inlet box, a mounting plate and a gas outlet box, wherein the mounting plate is fixedly arranged at the upper end of the gas inlet box and the lower end of the gas outlet box, the gas outlet box is arranged at the lower end of the gas inlet box, a swinging plate swings left and right, ammonia in air floats upwards through the swinging of the swinging plate to flow, the ammonia is prevented from being directly discharged from a gas outlet, the ammonia is blown by a blade to drive a rotating ball to rotate through a gas inlet hole by improving the gas pressure, the ammonia is contacted with a rotating adsorption rod to be filtered, dust particles carried in the ammonia are adsorbed, the ammonia is discharged into the filter box to float upwards, the ammonia is extruded upwards on a gas collecting plate, a spring rod applies downward reverse elastic force, so that the gas collecting plate presses the ammonia downwards, the ammonia completely enters the inside of a liquid box to react with a dilute sulfuric acid solution, and the product is mainly used as fertilizer, and is suitable for various soils and crops, and the waste gas utilization is improved without secondary pollution.
Description
Technical Field
The invention relates to the field of occupational health and safety, in particular to an anti-poison ventilation device for occupational health and safety.
Background
Ammonia is a compound of nitrogen and hydrogen, which is an important chemical raw material in life, synthetic fiber, plastic, urea, dye and other fields have ammonia components, mainly produced in industries such as animal husbandry, petrochemical industry, printing and dyeing factories, textile industry and the like, belongs to low toxicity, works in such occupational sites, and needs to use a ventilation device to discharge ammonia gas outside the sites, but because the existing ventilation device is used for ventilating, the indoor ammonia gas is discharged outside the sites through an exhaust mechanism on the ventilation device, and then the outdoor air is discharged into the room through an air inlet mechanism on the ventilation device to form ventilation circulation, and the exhaust mechanism on the ventilation device cannot obtain better purification effect, and meanwhile, more dust is carried in the indoor air, so that the ammonia gas is easily blocked inside the exhaust mechanism, thereby directly discharged outside the sites, the ammonia gas is mixed with the outdoor air, and the indoor air is discharged into the sites through the air inlet mechanism again, thereby causing secondary pollution to the indoor air of the sites.
Disclosure of Invention
The technical scheme adopted for realizing the technical purpose of the invention is as follows: this gas defense ventilation unit for occupational health safety, its structure includes inlet box, mounting panel, exhaust box, inlet box upper end and exhaust box lower extreme all fixed mounting have the mounting panel, the exhaust box is installed in the inlet box lower extreme, the exhaust box includes box, air inlet, come-up mechanism, air exhauster, gas vent, adsorption mechanism, ammonia filtering mechanism, box lower extreme fixed mounting has the mounting panel to the air inlet is inlayed and is installed to the box right-hand member, the inside right-hand member of box is equipped with the come-up mechanism, and the air inlet is located the come-up mechanism right side, the air exhauster is installed to the inside middle-hand member of box to the air exhauster is located the gas vent right side, the gas vent inlays to fix and installs in the box left end, adsorption mechanism installs in the inside upper right end of box to adsorption mechanism is located the come-up mechanism top, adsorption mechanism is located ammonia filtering mechanism right side to ammonia filtering mechanism block installs in the inside upper left end of box, the box upper end is fixed mutually with the inlet box bottom, the box is the trapezoidal structure of right side narrow left end width of section.
As a further improvement of the invention, the floating mechanism comprises a rotating shaft, a torsion shaft, swinging plates, ventilation grooves and guide sliding plates, wherein the outer side end of the rotating shaft is hinged with the inside of the box body through the torsion shaft, the swinging plates are arranged at the lower end of the rotating shaft, the ventilation grooves penetrate through the inside of the swinging plates, the lower ends of the swinging plates are in contact with the upper end surfaces of the guide sliding plates, the guide sliding plates are fixedly arranged at the bottom of the right end inside the box body, the swinging plates are arranged below the adsorption mechanism, and the torsion shafts are symmetrically arranged at the front end and the rear end of the rotating shaft.
As a further improvement of the invention, the adsorption mechanism comprises an air inlet plate, an air inlet hole, a rotating ball, a blade, a rotating bottom plate and an adsorption rod, wherein the air inlet plate is fixedly arranged at the right upper end of the inner part of the box body, the air inlet hole is embedded in the right end of the air inlet plate, the lower end of the rotating ball is arranged at the middle end of the inner side bottom of the air inlet plate in a clearance fit manner, the blade is welded on the outer side of the rotating ball and positioned at the left side of the air inlet hole, the upper end of the rotating ball is welded with the middle end of the bottom of the rotating bottom plate, the rotating bottom plate is arranged at the middle part of the upper end of the air inlet plate in a clearance fit manner, the bottom of the adsorption rod is fixed with the middle part of the upper end surface of the rotating bottom plate, the adsorption rod is positioned above the swinging plate, the upper end of the adsorption rod is arranged at the right top end of the inner side of the box body in a clearance fit manner, the adsorption rod is positioned at the right side of the ammonia filtering mechanism, the air inlet hole is in a cavity structure with the wide right end and the left end narrow, the adsorption rod is an activated carbon rod, and the surface is provided with tiny holes.
As a further improvement of the invention, the ammonia filtering mechanism comprises guide blocks, an outer clamping plate, a lower calandria and a replacement mechanism, wherein the guide blocks are arranged at the right end of the outer clamping plate and are of an integrated structure, the upper left end of the outer clamping plate is fixedly embedded with the upper end of the lower calandria and communicated with the upper left end of the lower calandria, the outer end face of the replacement mechanism is attached to the inner end face of the outer clamping plate, the replacement mechanism is arranged at the upper left end of the inside of the box body in a clamping manner, the two guide blocks and the outer clamping plate are arranged at the front and rear outer sides of the replacement mechanism, the inner sides of the two guide blocks are of inclined structures, and the inner sides of the two guide blocks are inclined to the front end of the replacement mechanism.
As a further improvement of the invention, the replacing mechanism comprises a pulling block, magnetic sheets, a filter box, exhaust holes, a sinking mechanism and a liquid box, wherein the magnetic sheets are arranged on the outer side of the pulling block and are in clamping connection with the left upper end of the inner part of the box body, the pulling block is arranged at the left end of the filter box, the right end face of the pulling block is attached to the left upper outer side end face of the box body, the exhaust holes are arranged at the left upper end of the filter box, the outer side end face of the filter box is attached to the inner side end face of an outer clamping plate, the exhaust holes are communicated with the upper end of a lower calandria, the sinking mechanism is arranged at the upper end of the inner part of the filter box, the liquid box is arranged below the sinking mechanism, five sinking mechanisms are arranged at the lower end of each sinking mechanism, the liquid box is internally provided with dilute sulfuric acid solution, and the dilute sulfuric acid solution has good ammonia absorption effect and is stable and is not easy to volatilize.
As a further improvement of the invention, the sinking mechanism comprises a lower guide plate, a sliding block, a spring rod and a gas collecting plate, wherein the upper end of the lower guide plate is fixed with the upper end face in the filter box, the sliding block is slidably arranged in the lower guide plate, the spring rod is fixedly arranged in the lower guide plate, the lower end of the spring rod penetrates through the sliding block in a clearance fit manner, the sliding block is arranged on the outer side of the gas collecting plate, the outer side end of the gas collecting plate is in contact with the outer end face of the lower guide plate, the gas collecting plate is positioned above the liquid box, the lower guide plate is arranged at a low inclination angle of the right side end and the left side end, and the gas collecting plate is of an arc-shaped structure.
The invention has the beneficial effects that:
1. the swing plate swings left and right, ammonia in the air floats upwards through the swing of the swing plate and flows, the ammonia is prevented from being directly discharged from the exhaust port, the ammonia is compressed through the air inlet, at the moment, the air pressure is improved, the air pressure blowing moving blades drive the rotating balls to rotate, the adsorption rod is driven to rotate, the ammonia is subjected to contact filtration with the rotating adsorption rod, dust particles carried in the ammonia are adsorbed, the ammonia is ensured to enter into the next step of purification in the ammonia filtering mechanism, and the dust particles are prevented from being blocked inside the ammonia filtering mechanism, so that the purification effect of the ammonia is influenced.
2. The ammonia that flows to the left is all discharged into the rose box through the guide block and is purified, ammonia is upwards floated, contact takes place with lower baffle, ammonia upwards extrudees the gas collecting plate simultaneously, can exert down reverse elasticity when spring beam receives upwards extrusion force for the gas collecting plate is down pressed ammonia, make ammonia all enter into liquid incasement portion and react, ammonia enter into and react with dilute sulfuric acid solution, stable be difficult for volatilizing, the product of reaction formation is ammonium sulfate simultaneously, ammonium sulfate mainly is used as fertilizer, be applicable to various soil and crop, improve waste gas utilization and do not have secondary pollution simultaneously.
Drawings
Fig. 1 is a schematic structural view of an anti-poison ventilating device for occupational health and safety according to the present invention.
FIG. 2 is a schematic diagram of the internal structure of an exhaust box according to the present invention.
Fig. 3 is a schematic view of a floating mechanism with a three-dimensional and partially enlarged structure according to the present invention.
Fig. 4 is a schematic view of a perspective view and a lower end internal enlarged structure of an adsorption mechanism according to the present invention.
Fig. 5 is a schematic perspective view of an ammonia filtering mechanism according to the present invention.
Fig. 6 is a schematic view of the internal structure of a replacement mechanism according to the present invention.
Fig. 7 is a schematic perspective view of a sinking mechanism according to the present invention.
In the figure: the air inlet box-5, the mounting plate-7, the air outlet box-R, the box body-R5, the air inlet-R9, the floating mechanism-R7, the exhaust fan-R2, the air outlet-R6, the adsorption mechanism-R4, the ammonia filtering mechanism-R1, the rotating shaft-R72, the torsion shaft-R74, the swinging plate-R76, the air vent groove-R76, the guide slide plate-R73, the air inlet plate-R49, the air inlet hole-R42, the rotating ball-R45, the blade-R47, the rotating bottom plate-R43, the adsorption rod-R41, the guide block-R18, the outer clamping plate-R15, the lower exhaust pipe-c 12, the replacement mechanism-R19, the pulling block-9 v, the magnetic sheet-9 c, the filter box-9 z, the exhaust hole-9 a, the sinking mechanism-9 x, the liquid box-9 y, the lower guide plate-x 5, the sliding block-x 9, the spring rod-x 2 and the air collecting plate-x 7.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in fig. 1 to 4:
the invention relates to an anti-poison ventilation device for occupational health and safety, which structurally comprises an air inlet box 5, a mounting plate 7 and an exhaust box R, wherein the mounting plate 7 is fixedly arranged at the upper end of the air inlet box 5 and the lower end of the exhaust box R, the exhaust box R is arranged at the lower end of the air inlet box 5, the exhaust box R comprises a box body R5, an air inlet R9, an upward floating mechanism R7, an exhaust fan R2, an exhaust port R6, an adsorption mechanism R4 and an ammonia filtering mechanism R1, the mounting plate 7 is fixedly arranged at the lower end of the box body R5, the right end of the box body R5 is fixedly provided with the air inlet R9, the upward floating mechanism R7 is arranged at the right end of the box body R5, the air inlet R9 is positioned at the right side of the upward floating mechanism R7, the middle end of the box body R5 is provided with the exhaust fan R2, the exhaust fan R2 is positioned at the right side of the exhaust port R6, the exhaust port R6 is fixedly arranged at the left end of the box body R5, the adsorption mechanism R4 is arranged at the right upper end of the inside the box body R5, the adsorption mechanism R4 is positioned at the upper end of the box body R5, the upper end of the air filtering mechanism R4 is positioned at the upper end of the box body R7, the ammonia filtering mechanism R4 is clamped at the lower end of the upper end of the air inlet box 5, and the ammonia filtering mechanism R1 is positioned at the lower end of the upper end of the air inlet box 1, which is narrower than the right end of the air inlet box 1 is arranged at the upper end of the air inlet box 5, and the upper end of the ammonia filtering mechanism is positioned at the lower end of the upper end of the air inlet box 1 is positioned at the right end of the lower end of the air box 1.
The floating mechanism r7 comprises a rotating shaft r72, a torsion shaft r74, a swinging plate r76, ventilation grooves r76 and guide sliding plates r73, the outer side end of the rotating shaft r72 is hinged to the inside of the box body r5 through the torsion shaft r74, the swinging plate r76 is arranged at the lower end of the rotating shaft r72, the ventilation grooves r76 penetrate through the inside of the swinging plate r76, the lower end of the swinging plate r76 is in contact with the upper end face of the guide sliding plates r73, the guide sliding plates r73 are fixedly arranged at the bottom of the right end inside the box body r5, the swinging plates r76 are arranged below the adsorption mechanism r4, the torsion shafts r74 are symmetrically arranged at the front end and the rear end of the rotating shaft r72, the swinging plates r76 are driven to swing left and right around the torsion shaft r74 through the rotating shaft r72, accordingly the upward floating speed of ammonia gas is accelerated, the exhaust speed of the exhaust fan r2 is prevented from being too fast, the ammonia gas is directly discharged from the exhaust port r6, and the effect of comprehensively purifying the ammonia in the air is improved.
Wherein the adsorption mechanism r4 comprises an air inlet plate r49, an air inlet hole r42, a rotating ball r45, a blade r47, a rotating bottom plate r43 and an adsorption rod r41, the air inlet plate r49 is fixedly arranged at the right upper end of the inside of the box body r5, the air inlet hole r42 is embedded in the right end of the air inlet plate r49, the lower end of the rotating ball r45 is arranged at the middle end of the inner bottom of the air inlet plate r49 in a clearance fit manner, the blade r47 is welded at the outer side of the rotating ball r45, the blade r47 is positioned at the left side of the air inlet hole r42, the upper end of the rotating ball r45 is welded with the middle end of the bottom of the rotating bottom plate r43, the rotating bottom plate r43 is arranged at the middle of the upper end of the air inlet plate r49 in a clearance fit manner, and adsorption rod r41 bottom is fixed mutually with rotating bottom plate r43 up end middle part, adsorption rod r41 is located swing board r76 top to adsorption rod r41 upper end adopts clearance fit to install on the inboard right top of box r5, adsorption rod r41 is located and strains ammonia mechanism r1 right side, inlet port r42 is the narrow cavity structure in right-hand member left end, compresses the atmospheric pressure at the in-process of admitting air, improves atmospheric pressure and blows blade r47 and drives the pivoted ball r45 and carry out pivoted effect for adsorption rod r41 of upper end adsorbs the dust granule in the ammonia, adsorption rod r41 is the active carbon pole to the surface is equipped with tiny hole, ensures that adsorption rod r41 carries out comprehensive absorption to the dust granule in the ammonia.
Specific use and action of the embodiment:
according to the invention, the exhaust fan r2 is started to suck and discharge air in a professional place from the air inlet r9 into the box body r5, at the moment, the rotating shaft r72 drives the swinging plate r76 to swing left and right around the torsion shaft r74 by means of the right air pressure, the air continues to flow through the ventilation groove r76 in the swinging plate r76, ammonia in the air floats upwards by means of swinging of the swinging plate r76, the exhaust speed of the exhaust fan r2 is prevented from being too high, the ammonia is directly discharged from the air outlet r6, then the ammonia flows around the adsorption mechanism r4, at the moment, part of the ammonia enters from the air inlet r42 in the right end of the air inlet plate r49, the ammonia is compressed by the air inlet r42, at the moment, the air pressure is increased, so that the air pressure blows the moving blade r47 drives the rotating ball r45 to rotate, at the moment, the rotating bottom plate r43 on the upper end of the air inlet plate r49 drives the adsorption rod r41 to rotate, then part of the ammonia is discharged from the left end of the air inlet plate r76, and most of the ammonia contacts with the rotating adsorption rod r41 to filter ammonia, so that ammonia particles carried by the ammonia particles in the air inlet r49 are filtered by the adsorption mechanism 1, and the ammonia particles in the filter mechanism are prevented from being polluted, and the dust is purified, and the dust particles in the filter particles are prevented from being filtered and purified.
Example 2:
as shown in fig. 5 to 7:
the ammonia filtering mechanism r1 comprises a guide block r18, an outer clamping plate r15, a lower calandria c12 and a replacement mechanism r19, wherein the guide block r18 is arranged at the right end of the outer clamping plate r15 and is of an integrated structure, the upper left end of the outer clamping plate r15 is fixedly embedded with the upper end of the lower calandria c12 and is communicated with the upper left end of the lower calandria c12, the outer end face of the replacement mechanism r19 is attached to the inner end face of the outer clamping plate r15, the replacement mechanism r19 is mounted at the upper left end inside a box body r5 in a clamping manner, the guide block r18 and the outer clamping plate r15 are both provided with two, the two guide blocks r18 are of an inclined surface structure and are inclined to the front end of the replacement mechanism r19, so that ammonia gas can be discharged into the replacement mechanism r19 completely, and leakage of the ammonia gas in the flowing process is avoided.
The replacement mechanism r19 comprises a pulling block 9v, a magnetic sheet 9c, a filter box 9z, an exhaust hole 9a, a sinking mechanism 9x and a liquid tank 9y, wherein the magnetic sheet 9c is installed on the outer side of the pulling block 9v, the magnetic sheet 9c is connected with the left upper end of the inside of the tank r5, the pulling block 9v is arranged at the left end of the filter box 9z, the right side end face of the pulling block 9v is attached to the left upper outer side end face of the tank r5, the exhaust hole 9a is formed in the left upper end of the filter box 9z, the outer side end face of the filter box 9z is attached to the inner side end face of an outer clamping plate r15, the exhaust hole 9a is communicated with the upper end of a lower calandria c12, the sinking mechanism 9x is installed at the upper end of the inside of the filter box 9z, the liquid tank 9y is installed at the lower end of the inside of the filter box 9z, the liquid tank 9y is arranged below the sinking mechanism 9x, five lower ends of the filter box 9x are jointly arranged, and the lower ends of the lower mechanisms 9x are connected together, so that the ammonia gas is carried out by floating and the ammonia gas is easily to enter the liquid ammonia gas tank 9y, the dilute ammonia gas is not stably, the ammonia gas is not absorbed by the dilute ammonia gas solution, and the dilute ammonia gas is not stably stored in the ammonia solution, and the dilute ammonia solution is not stored in the liquid, and the dilute ammonia solution, and the ammonia solution is not stably stored in the ammonia solution, and the ammonia solution is not stored in the ammonia solution, and the ammonia solution.
The sinking mechanism 9x comprises a lower guide plate x5, a sliding block x9, a spring rod x2 and a gas collecting plate x7, wherein the upper end of the lower guide plate x5 is fixed with the upper end face inside a filter box 9z, the sliding block x9 is slidably installed inside the lower guide plate x5, the spring rod x2 is fixedly installed inside the lower guide plate x5, the lower end of the spring rod x2 penetrates through the sliding block x9 in a clearance fit mode, the sliding block x9 is arranged outside the gas collecting plate x7, the outer end of the gas collecting plate x7 is in contact with the outer end face of the lower guide plate x5, the gas collecting plate x7 is located above the liquid box 9y, the lower guide plate x5 is installed at a low inclination angle of the right side end and the left side end, the gas collecting plate x7 is in an arc-shaped structure, and simultaneously, upward sliding force is applied to the gas collecting plate x7 through ammonia gas, and then reverse elastic force is applied to the gas collecting plate x7 through the spring rod x2, so that the gas collecting plate x7 presses ammonia gas downwards to enable the ammonia gas to enter the liquid box 9 to react completely.
Specific use and action of the embodiment:
in the invention, dust particles in ammonia continue to flow leftwards after being filtered, at the moment, the dust particles are contacted with the guide block r18, ammonia flowing leftwards is completely discharged into the filter box 9z through the guide block r18 to be purified, ammonia can float upwards after entering the filter box 9z, the ammonia contacts with the lower guide plate x5 in the upwards floating process, ammonia is primarily conducted downwards through the lower guide plate x5, meanwhile, excessive ammonia can extrude the gas collecting plate x7 upwards, at the moment, the sliding block x9 on the outer side of the gas collecting plate x7 slides upwards on the outer side of the spring rod x2, at the same time, the spring rod x2 can exert downward reverse elasticity when being subjected to upward extrusion force, so that the sliding block x9 is driven to slide downwards on the outer side of the lower guide plate x5, the ammonia is downwards pressed, the ammonia is completely entering the liquid box 9y to react, the ammonia enters into the dilute sulfuric acid solution to react, the ammonia is stable and is not easy to volatilize, the product generated by the reaction is ammonium sulfate, the ammonium sulfate is mainly used as a fertilizer, various soil and various soil types are not easy to replace the ammonia, and the dilute sulfuric acid solution can be replaced by the dilute sulfuric acid solution r9 from the outer side of the dilute sulfuric acid solution r5, and the dilute sulfuric acid solution r is effectively replaced by the dilute sulfuric acid solution r is removed from the inner side of the box 9, and the dilute sulfuric acid solution r is replaced by the dilute sulfuric acid solution r is completely by the ammonia solution.
By utilizing the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the invention.
Claims (1)
1. The utility model provides a gas defense ventilation unit for occupational health safety, its structure includes air inlet box (5), mounting panel (7), exhaust case (R), equal fixed mounting of air inlet box (5) upper end and exhaust case (R) lower extreme has mounting panel (7), exhaust case (R) are installed in air inlet box (5) lower extreme, its characterized in that:
the exhaust box (R) comprises a box body (R5), an air inlet (R9), an upward floating mechanism (R7), an exhaust fan (R2), an exhaust port (R6), an adsorption mechanism (R4) and an ammonia filtering mechanism (R1), wherein a mounting plate (7) is fixedly arranged at the lower end of the box body (R5), the air inlet (R9) is fixedly embedded at the right end of the box body (R5), the upward floating mechanism (R7) is arranged at the right end of the box body (R5), the air inlet (R9) is positioned at the right side of the upward floating mechanism (R7), the exhaust fan (R2) is arranged at the middle end of the interior of the box body (R5), the exhaust fan (R2) is positioned at the right side of the exhaust port (R6), the exhaust port (R6) is fixedly embedded at the left end of the box body (R5), the adsorption mechanism (R4) is arranged at the right upper end of the interior of the box body (R5), the adsorption mechanism (R4) is positioned above the upward floating mechanism (R7), the adsorption mechanism (R4) is positioned at the right side of the ammonia filtering mechanism (R1) and is blocked at the left side of the box body (R5), and the ammonia filtering mechanism (R1) is fixedly arranged at the left end of the box body (R5);
the floating mechanism (r 7) comprises a rotating shaft (r 72), a torsion shaft (r 74), a swinging plate (r 76), a ventilation groove (r 79) and a guide sliding plate (r 73), wherein the outer side end of the rotating shaft (r 72) is hinged with the inside of the box body (r 5) through the torsion shaft (r 74), the swinging plate (r 76) is arranged at the lower end of the rotating shaft (r 72), the ventilation groove (r 79) penetrates through the inside of the swinging plate (r 76), the lower end of the swinging plate (r 76) is in contact with the upper end face of the guide sliding plate (r 73), the guide sliding plate (r 73) is fixedly arranged at the bottom of the right end inside the box body (r 5), and the swinging plate (r 76) is positioned below the adsorption mechanism (r 4);
the adsorption mechanism (r 4) comprises an air inlet plate (r 49), an air inlet hole (r 42), a rotating ball (r 45), a blade (r 47), a rotating bottom plate (r 43) and an adsorption rod (r 41), wherein the air inlet plate (r 49) is fixedly arranged at the middle part of the inner right end of a box body (r 5), the air inlet hole (r 42) is embedded in the middle part of the right end of the air inlet plate (r 49), the lower end of the rotating ball (r 45) is arranged at the middle part of the inner side of the air inlet plate (r 49) in a clearance fit manner, the blade (r 47) is welded on the outer side of the rotating ball (r 45), the blade (r 47) is positioned on the left side of the air inlet hole (r 42), the upper end of the rotating ball (r 45) is welded with the middle end of the bottom of the rotating bottom plate (r 43), the rotating bottom plate (r 43) is arranged at the middle part of the upper end of the air inlet plate (r 49) in a clearance fit manner, the bottom of the adsorption rod (r 41) is fixed with the middle part of the upper end surface of the rotating bottom plate (r 43), the adsorption rod (r 41) is positioned above the swinging plate (r 76), the adsorption rod (r 41) is positioned at the top end of the right side of the box body (r 41) in a clearance fit manner, and the upper end of the adsorption rod (r 41) is arranged at the right side of the ammonia filter mechanism (1);
the ammonia filtering mechanism (r 1) comprises a guide block (r 18), an outer clamping plate (r 15), a lower calandria (c 12) and a replacement mechanism (r 19), wherein the guide block (r 18) is arranged at the right end of the outer clamping plate (r 15) and is of an integrated structure, the upper left end of the outer clamping plate (r 15) is fixedly embedded with the upper end of the lower calandria (c 12) and communicated with the upper left end of the outer clamping plate, the outer end face of the replacement mechanism (r 19) is attached to the inner end face of the outer clamping plate (r 15), and the replacement mechanism (r 19) is installed at the upper left end of the inside of the box body (r 5) in a clamping mode;
the replacement mechanism (r 19) comprises a pulling block (9 v), a magnetic sheet (9 c), a filter box (9 z), an exhaust hole (9 a), a sinking mechanism (9 x) and a liquid box (9 y), wherein the magnetic sheet (9 c) is arranged on the outer side of the pulling block (9 v), the magnetic sheet (9 c) is clamped and connected with the left upper end inside the box body (r 5), the pulling block (9 v) is arranged at the left end of the filter box (9 z), the right end surface of the pulling block (9 v) is attached to the left upper outer side end surface of the box body (r 5), the exhaust hole (9 a) is arranged at the left upper end of the filter box (9 z), the outer side end surface of the filter box (9 z) is attached to the inner side end surface of an outer clamping plate (r 15), the exhaust hole (9 a) is communicated with the upper end of a lower calandria (c 12), the lower mechanism (9 x) is arranged at the inner upper end of the filter box (9 z), the liquid box (9 y) is arranged at the inner lower end of the filter box (9 z), and the liquid box (9 y) is arranged below the sinking mechanism (9 x);
the sinking mechanism (9 x) comprises a lower guide plate (x 5), a sliding block (x 9), a spring rod (x 2) and a gas collecting plate (x 7), wherein the upper end of the lower guide plate (x 5) is fixed with the upper end face inside a filter box (9 z), the sliding block (x 9) is slidably arranged inside the lower guide plate (x 5), the spring rod (x 2) is fixedly arranged inside the lower guide plate (x 5), the lower end of the spring rod (x 2) penetrates through the sliding block (x 9) in a clearance fit manner, the sliding block (x 9) is arranged outside the gas collecting plate (x 7), the outer end of the gas collecting plate (x 7) is in contact with the outer end face of the lower guide plate (x 5), and the gas collecting plate (x 7) is positioned above the liquid box (9 y);
starting an exhaust fan (r 2) to suck and discharge air in a professional room from an air inlet (r 9) into a box body (r 5), at the moment, through right air pressure, a rotating shaft (r 72) drives a swinging plate (r 76) to swing left and right around a torsion shaft (r 74), air continues to flow through an air vent groove (r 76) in the swinging plate (r 76), ammonia in the air floats upwards through swinging of the swinging plate (r 76), the exhaust speed of the exhaust fan (r 2) is prevented from being too fast, the ammonia is directly discharged from an exhaust port (r 6), then the ammonia flows to the periphery of an adsorption mechanism (r 4), at the moment, part of the ammonia enters from the inside of an air inlet hole (r 42) at the right end of an air inlet plate (r 49), the ammonia is compressed through the air inlet hole (r 42), at the moment, the air pressure is increased, so that an air pressure blowing blade (r 47) drives a rotating ball (r 45) to rotate, at the moment, a rotating bottom plate (r 43) at the upper end of the rotating ball (r 45) rotates at the upper end of the plate (r 49), the ammonia is prevented from directly discharging from an exhaust port (r 6), then the ammonia flows to the adsorption mechanism (r 41) to the air inlet part of the air inlet plate (r 41), and then the ammonia is enabled to be in contact with a filter part of the ammonia filter part (r) to be discharged from the air inlet part (r 41) to be filtered, and then the ammonia is discharged from the filter part (r) to the filter part to be contacted with the dust part (1), prevent dust particles from blocking inside the ammonia filtering mechanism (r 1) so as to influence the purification effect of ammonia; dust particles in the ammonia gas continuously flow leftwards after being filtered, the dust particles are contacted with a guide block (r 18), the ammonia gas flowing leftwards is completely discharged into a filter box (9 z) through the guide block (r 18) to be purified, after the ammonia gas enters the filter box (9 z), the ammonia gas floats upwards, the ammonia gas contacts a lower guide plate (x 5) in the upwards floating process, the ammonia gas is primarily conducted downwards through the lower guide plate (x 5), meanwhile, excessive ammonia gas can upwards squeeze a gas collecting plate (x 7), at the moment, a sliding block (x 9) on the outer side of the gas collecting plate (x 7) upwards slides on the outer side of a spring rod (x 2), and meanwhile, the spring rod (x 2) exerts downwards reverse elasticity when being subjected to upwards squeezing force, thereby driving the sliding block (x 9) to slide downwards at the outer side of the lower guide plate (x 5), enabling the gas collecting plate (x 7) to downwards press ammonia gas, enabling the ammonia gas to fully enter the liquid tank (9 y) for reaction, enabling the ammonia gas to enter into the liquid tank for reaction with dilute sulfuric acid solution, stabilizing the ammonia gas and not to volatilize easily, simultaneously enabling the product generated by the reaction to be ammonium sulfate, enabling the ammonium sulfate to be mainly used as fertilizer, being applicable to various soils and crops, improving waste gas utilization, simultaneously avoiding secondary pollution, enabling the whole replacement mechanism (r 19) to be moved out of the outer clamping plate (r 15) from the inner side of the outer clamping plate (r 5) through pulling the block (9 v), thereby replacing or adding dilute sulfuric acid solution in the liquid tank (9 y) to ensure that the dilute sulfuric acid solution and the ammonia gas react effectively, improving the purifying effect on ammonia.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210274243.9A CN114704900B (en) | 2022-03-21 | 2022-03-21 | Gas protection ventilation unit is used to occupational health safety |
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| CN114704900B true CN114704900B (en) | 2023-06-23 |
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| JP3463473B2 (en) * | 1996-07-31 | 2003-11-05 | 松下電工株式会社 | Garbage processing equipment |
| CN104971575B (en) * | 2014-04-09 | 2019-02-01 | 苏州鼎德电环保科技有限公司 | Gas-liquid-solid separator, gas-liquid separator and its plasma-based sulphur removal denitration device |
| CN205913959U (en) * | 2016-06-29 | 2017-02-01 | 自贡市华尔美科技有限公司 | Waste gas recovery and treatment device |
| CN208975510U (en) * | 2018-09-19 | 2019-06-14 | 赣州海创钨业有限公司 | Ammonia recycling device is used in a kind of production of the tungsten powder that recovering effect is high |
| CN111558462A (en) * | 2020-05-25 | 2020-08-21 | 庄伙金 | Oil smoke clarification plant |
| CN213032168U (en) * | 2020-08-06 | 2021-04-23 | 浙江森田新材料有限公司 | Ammonia gas filtering device |
| CN214019768U (en) * | 2020-12-17 | 2021-08-24 | 西安瑞恒测控设备有限公司 | Heating blowback filter equipment |
| CN112843962A (en) * | 2021-03-10 | 2021-05-28 | 黄彩英 | Environment-friendly equipment for filtering waste gas |
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