CN111359391A - Formaldehyde detects remove device - Google Patents

Formaldehyde detects remove device Download PDF

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Publication number
CN111359391A
CN111359391A CN202010399230.5A CN202010399230A CN111359391A CN 111359391 A CN111359391 A CN 111359391A CN 202010399230 A CN202010399230 A CN 202010399230A CN 111359391 A CN111359391 A CN 111359391A
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China
Prior art keywords
cavity
air
formaldehyde
fixedly connected
air inlet
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Granted
Application number
CN202010399230.5A
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Chinese (zh)
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CN111359391B (en
Inventor
马壮壮
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Zhejiang Gaoxin Safety Testing Technology Co.,Ltd.
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Taizhou Luqiao Boren Environmental Protection Equipment Co ltd
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Priority to CN202010399230.5A priority Critical patent/CN111359391B/en
Publication of CN111359391A publication Critical patent/CN111359391A/en
Priority to GBGB2014293.1A priority patent/GB202014293D0/en
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Publication of CN111359391B publication Critical patent/CN111359391B/en
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    • 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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • B01D53/06—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1412—Controlling the absorption process
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1487—Removing organic compounds
    • 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
    • B01D53/14—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 by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • 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
    • B01D53/30—Controlling by gas-analysis apparatus
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B01D2252/103—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air

Abstract

The invention discloses a formaldehyde detection and removal device, which comprises a box body, wherein a cavity is arranged in the box body, an air inlet pipe is fixedly connected in the cavity, an air inlet channel is arranged in the air inlet pipe in a hollowed manner, the left end of the air inlet channel is communicated with the outside air, an air exhaust fan is arranged in the air inlet channel, a main formaldehyde detector is fixedly connected in the air inlet channel, and a sliding plate is arranged in the air inlet channel in a sliding manner. High-concentration formaldehyde air cannot flow to the outside and needs to be chemically purified.

Description

Formaldehyde detects remove device
Technical Field
The invention relates to the field of air purification, in particular to a formaldehyde detection and removal device.
Background
Along with the development of social buildings, more and more harmful gases are generated in the buildings, formaldehyde is a harmful gas generated when houses are decorated, the volatilization time of the formaldehyde reaches the last ten years, and some existing formaldehyde detection and removal devices cannot automatically remove formaldehyde in the air; the formaldehyde detection and removal device can solve the problems that the amount of formaldehyde entering the device cannot be adjusted according to the concentration of the formaldehyde, and the liquid exchange amount of liquid absorbing the formaldehyde in the device cannot be adjusted according to the concentration of the formaldehyde, so that the cost is saved.
Disclosure of Invention
In order to solve the problems, the embodiment designs a formaldehyde detection and removal device, which comprises a box body, wherein a cavity is arranged in the box body, an air inlet pipe is fixedly connected in the cavity, an air inlet channel is hollowed in the air inlet pipe, the left end of the air inlet channel is communicated with the outside air, an air exhaust fan is arranged in the air inlet channel, when the air exhaust fan is opened, the air in the air inlet channel is exhausted from the left side to the right side, a main formaldehyde detector is fixedly connected in the air inlet channel and used for detecting the formaldehyde concentration in the air, a sliding plate is arranged in the air inlet channel in a sliding mode, the sliding plate is positioned on the right side of the main formaldehyde detector, when the main formaldehyde detector detects the formaldehyde in the air, the sliding plate slides upwards, and then the air flows into the right side of the sliding plate from the left side of the sliding plate, a fixed block is fixedly connected in the air inlet channel, a sliding groove with a leftward opening is arranged in the fixed block, the sliding groove is communicated with the air inlet channel, the inner wall of the upper end of the sliding groove is provided with a fan switch, the fan switch is electrically connected with the exhaust fan, an activated carbon plate is arranged in the sliding groove in a sliding manner, the surface of the active carbon plate is coated with active carbon for adsorbing formaldehyde flowing in from the left end of the air inlet channel, an extension spring is connected between the right end of the activated carbon plate and the inner wall of the right side of the sliding groove, a through groove which is communicated up and down is arranged on the activated carbon plate, namely, when the active carbon plate moves rightwards, the air at the lower side of the circulation groove is communicated with the upper side of the circulation groove, meanwhile, the right end of the activated carbon plate is in contact with the fan switch, and then the air suction fan is started to suck air in the air inlet channel from left to right; the right side of the air inlet pipe is fixedly connected with an absorption box, an absorption cavity is arranged in the absorption box, a separation plate is arranged in the absorption cavity, the absorption cavity is divided into a left part and a right part by the separation plate, water is filled in the absorption cavity and is separated from the right space by the separation plate, the right end of the air inlet pipe is positioned below the water surface, namely, formaldehyde in the air inlet channel is dissolved by water in the absorption cavity when entering the absorption cavity, undissolved formaldehyde is emitted from the water surface and enters the absorption cavity, a paraformaldehyde detector is fixedly connected in the absorption cavity and is used for detecting the concentration of formaldehyde in the air, the lower end of the absorption cavity is fixedly connected with a rotating motor, the rotating motor is positioned on the right side of the separation plate and is electrically connected with the paraformaldehyde detector, the upper end of the rotating motor is dynamically connected with a threaded shaft, the threaded shaft is provided with a threaded plate in a threaded connection mode, the left end of the threaded plate is provided with a scale shaft in a sliding mode, scales are arranged on the scale shaft, the lower end of the scale shaft is fixedly connected to the inner wall of the lower side of the absorption cavity, namely when the formaldehyde detector detects that formaldehyde exists in the absorption cavity, the rotating motor is controlled to be started to drive the threaded shaft to rotate, the threaded plate is driven to move up and down along the scale shaft and the threaded shaft, the contact position between the upper surface of the threaded plate and the scales on the scale shaft is the concentration of formaldehyde in the air, namely the formaldehyde concentration in the absorption cavity is displayed, the inner wall of the lower volume of the absorption cavity is fixedly connected with a convex block, the convex block is positioned on the right side of the rotating motor, the upper surface of the convex block is provided with a contact plate in contact with the rotating motor, the left end of the contact plate, the upper end of the rotating door is rotatably provided with a protruding block which is fixedly connected with the inner wall of the right side of the absorption cavity, the lower end of the right side of the absorption cavity is fixedly connected with an air pipe, an air groove is arranged in the air pipe, the lower end of the air groove is communicated with the outside air, when the rotating door rotates clockwise around the protruding block, namely the rotating door is opened, the air in the absorption cavity is communicated with the air groove and further communicated with the outside air, when the paraformaldehyde detector detects that formaldehyde which is not absorbed by water is contained in the air in the absorption cavity and the concentration of the formaldehyde is high, the rotating motor is started and drives the threaded shaft to rotate so as to drive the threaded plate to move upwards, at the moment, the left end of the contact plate moves upwards, and under the contact action of the protruding block, the right end of the contact plate moves downwards, so that the rotating door rotates anticlockwise around the, the rotary door is closed, so that the absorption cavity is not communicated with the air groove, high-concentration formaldehyde is prevented from entering air through the air groove, and meanwhile, the scale of the contact part of the upper surface of the threaded plate and the scale shaft is the concentration of the formaldehyde; when the concentration of formaldehyde is very low, the rotating motor controls the threaded shaft to rotate reversely, so that the threaded plate moves downwards, the left end of the contact plate is pressed downwards, the right end of the contact plate tilts upwards under the contact action of the bump, the rotating door rotates clockwise around the protruding block, the rotating door is opened, the purified air in the absorption cavity can flow out to the outside through an air pipe, and meanwhile, the scale of the contact position of the upper surface of the threaded plate and the scale shaft is the concentration of formaldehyde; a chemical box is fixedly connected to the right side of the cavity, a chemical cavity is arranged in the chemical box, an air pressure device is arranged between the chemical cavity and the absorption cavity, an illuminating lamp is arranged at the upper end of the chemical cavity, a photocatalyst is arranged at the lower end of the chemical cavity, the photocatalyst decomposes formaldehyde in the air and generates harmless gas under the illumination effect of the chemical cavity, namely, when the paraformaldehyde detector detects that the concentration of formaldehyde in the air of the absorption cavity is very low, the rotary door is opened, the air in the absorption cavity is communicated with the outside, and at the moment, the air pressure device does not work; when the paraformaldehyde detector detects that the concentration of formaldehyde in the air of the absorption cavity is not low, the rotating door is closed, at the moment, under the action of air pressure, the air pressure device is opened, so that the air in the absorption cavity is pressed into the chemical cavity, and meanwhile, the illuminating lamp emits light to stimulate the photocatalyst to decompose formaldehyde in the air of the chemical cavity into harmless gas.
Preferably, the air pressure device comprises an air pressure groove, the left end of the air pressure groove is communicated with the absorption cavity, the right end of the air pressure groove is communicated with the chemical cavity, a pressure block is arranged in the air pressure groove in a sliding manner, a pressure cavity with an upward opening is arranged below the pressure block, the pressure cavity is communicated with the air pressure groove, two spring plates are arranged in the pressure cavity in a sliding manner, a small-coefficient spring is connected between the two spring plates, a pressure rod is rotatably arranged at the upper end of each spring plate, the upper end of the pressure rod is rotatably connected to the pressure block, a light switch is arranged on the inner wall of the right side of the pressure cavity, the light switch is electrically connected with the illuminating lamp, when the air pressure in the absorption cavity is increased, the pressure block slides downwards along the air pressure groove under the action of the air pressure, and then the air in the absorption cavity is pressed into the chemical cavity through the air pressure groove, the spring plates on the left side and the right side slide leftwards and rightwards respectively along the pressure cavity, the small-coefficient springs are stretched simultaneously, then the spring plates on the right side are contacted with and press the light switch, then the light is lightened, and then the photocatalyst is stimulated to decompose formaldehyde entering the chemical cavity to generate harmless gas.
Preferably, a connecting rod is rotatably arranged at the upper end of the sliding plate, a rotating rod is rotatably arranged at the upper end of the connecting rod, a driving shaft is fixedly connected to the upper end of the rotating rod, the right end of the driving shaft is in power connection with a main motor, the right end face of the main motor is fixedly connected to the side wall of the air inlet pipe, the main motor is electrically connected with the main formaldehyde detector, a turbine is meshed at the upper end of the driving shaft, a driven shaft is fixedly connected to the turbine, the driven shaft is rotatably connected to the front inner wall and the rear inner wall of the box body, a driving belt pulley is fixedly connected to the driven shaft, a belt is meshed to the driving belt pulley, a driven belt pulley is meshed to the right side of the belt, a connecting shaft is fixedly connected to the driven belt pulley, the driving belt pulley rotates and drives the, a pinion is rotatably arranged on the connecting shaft, a transmission shaft is rotatably arranged between the front inner wall and the rear inner wall of the box body, a gear wheel is fixedly connected to the transmission shaft, the thickness of the gear wheel is larger than that of the pinion and is meshed with the rear half part of the gear wheel, a left rack block is meshed at the left end of the pinion and is meshed with the lower end of the front side of the gear wheel, a clear water box is fixedly connected to the box body, a clear water cavity is arranged in the clear water box and is used for storing clear water without formaldehyde concentration, the clear water cavity is communicated with the absorption cavity, the left rack block is in sliding connection with the clear water box, when the left rack block slides downwards, water in the clear water cavity flows into the absorption cavity, and when the left rack block slides upwards to contact with the upper end of the clear water cavity, water in the clear water cavity is blocked, the water-saving formaldehyde absorption device comprises a box body, a main formaldehyde detector, a sewage tank, a lower rack block, a water outlet groove, a connecting rod and a connecting rod, wherein the box body is fixedly connected with the box body, the sewage tank is arranged on the inner wall of the lower side of the box body, the sewage tank is arranged in the sewage tank and used for storing water dissolved with formaldehyde, the water outlet groove is arranged between the absorption chamber and the sewage chamber and communicated with the sewage chamber and the absorption chamber, the lower rack block is in sliding connection with the water outlet groove, when the lower rack block moves leftwards, the water in the absorption chamber flows into the sewage chamber through the water outlet groove, when the lower rack block slides rightwards to the inner wall of the right end of the water outlet groove, the water in the absorption chamber is blocked and cannot flow into the sewage chamber through the water outlet groove, when the main formaldehyde detector detects that the air contains formaldehyde, the main motor is started to drive the driving shaft to, and further driving the main formaldehyde detector to move upwards, so that air enters the air inlet channel, and further formaldehyde in the air is partially adsorbed by activated carbon on the surface of the activated carbon plate, and at the same time, the driving shaft rotates and drives the turbine to rotate, and further drives the driven shaft to rotate, and further drives the driving pulley to rotate, and further drives the driven pulley to rotate through the belt, and further drives the connecting shaft to rotate, and further drives the pinion to rotate, and further drives the gearwheel to rotate in the reverse direction, and further the pinion drives the left rack block to move up and down, and the gearwheel drives the lower rack block to move left and right, because the pinion and the gearwheel rotate in the reverse direction, when the left rack block moves downwards, the lower rack block moves leftwards, and when the left rack block moves upwards, the lower rack block moves rightwards, therefore, when the main formaldehyde detector detects that the concentration of formaldehyde in the air is low, the upward movement distance of the sliding plate is small, so that less air enters the air inlet channel, the downward movement of the left rack block is small, the water flow entering the absorption cavity in the clear water cavity is small, the leftward movement of the lower rack block is small, the flow of water dissolved with formaldehyde in the absorption cavity entering the sewage cavity is small, and the processes of new water inflow and old water outflow are realized; when the main formaldehyde detector detects that the concentration of formaldehyde in the air is high, the upward movement distance of the sliding plate is long, so that more air enters the air inlet channel, meanwhile, more downward movement of the left rack block is realized, the flow rate of water flowing into the absorption cavity from the clear water cavity is large, meanwhile, more leftward movement of the lower rack block is realized, the flow rate of water dissolved with formaldehyde in the absorption cavity flowing into the sewage cavity is large, and the water exchange amount is large at the moment.
Preferably, the lower end of the driving shaft is engaged with an opposite-shaped cam, teeth on the circumferential surface of the upper half part of the opposite-shaped cam are engaged with the lower end of the driving shaft, a power shaft is fixedly connected to the opposite-shaped cam, the front end and the rear end of the power shaft are fixedly connected to the front inner wall and the rear inner wall of the air inlet pipe, the lower end of the opposite-shaped cam is in contact with the activated carbon plate and is pushed to slide rightwards under the rotation action of the opposite-shaped cam, so that air at the upper end of the activated carbon plate is communicated with air at the lower end, namely, when the main motor is started, the driving shaft drives the opposite-shaped cam to rotate, so that the lower end of the opposite-shaped cam pushes the activated carbon plate to move rightwards, so that the air at the upper end of the activated carbon plate is communicated with the air at the lower end, the activated carbon plate is in contact with, the formaldehyde which is not adsorbed by the activated carbon in the air is dissolved in water, so that when the main formaldehyde detector detects that the concentration of the formaldehyde in the air is low, the upward movement distance of the sliding plate is small, the air entering the air inlet channel is small, and meanwhile, the rightward movement distance of the activated carbon plate is small, namely, the low-concentration formaldehyde entering the air inlet channel is basically adsorbed on the activated carbon plate, the activated carbon plate contacts and presses the fan switch in the rightward movement process, the air suction fan is started, and the formaldehyde in the air inlet channel is sucked into the absorption cavity through the air suction fan to be dissolved in the water; when the main formaldehyde detector detects that the concentration of formaldehyde in the air is high, the sliding plate moves upwards for a long distance, so that more air enters the air inlet channel, and meanwhile, the activated carbon plate moves rightwards for a long distance, so that only a small part of high-concentration formaldehyde entering the air inlet channel can be adsorbed by the activated carbon plate, the activated carbon plate contacts and presses the fan switch in the rightwards moving process, the air exhaust fan is started, and the formaldehyde in the air inlet channel is sucked into the absorption cavity through the air exhaust fan and is dissolved with water.
Preferably, a water inlet plug is arranged above the clean water cavity, and when the water in the clean water cavity is completely flowed, the water inlet plug is pulled upwards to manually pour clean water without formaldehyde concentration inwards; a water outlet plug is arranged below the sewage cavity, and when the sewage cavity is full of water, the water outlet plug is pulled out downwards to pour out the water in which the formaldehyde is dissolved in the sewage cavity; an air plug is arranged on the right side of the chemical box, and the air plug is pulled out rightwards every certain time, so that the non-toxic gas generated in the chemical cavity is communicated with the outside; chemistry chamber below is equipped with the fixed plate, the box with open threaded hole in the fixed plate, threaded hole internal thread connection is equipped with the screw, works as when photocatalyst consumes totally, rotates the screw will the fixed plate is taken out downwards, changes the photocatalyst.
The invention has the beneficial effects that: the invention carries out three-layer evolution on formaldehyde, comprises two layers of physical evolution and one layer of chemical purification, thoroughly changes the formaldehyde which is not dissolved in water into harmless gas in the air, can adjust the amount of the air entering an air inlet channel through the concentration of the formaldehyde, can also adjust the amount of water change in an absorption cavity through the concentration of the formaldehyde, and adjusts the size of a rotating door through detecting the concentration of the formaldehyde in the absorption cavity, so that the formaldehyde air with extremely low concentration can directly flow to the outside, and the formaldehyde air with high concentration cannot flow to the outside and needs to be chemically purified.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of a formaldehyde detecting and removing device according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is an enlarged schematic view of "C" of FIG. 1;
FIG. 5 is an enlarged schematic view of "D" of FIG. 1;
FIG. 6 is an enlarged schematic view of "E" of FIG. 1;
fig. 7 is an enlarged schematic view of "F" of fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The formaldehyde detection and removal device comprises a box body 12, wherein a cavity 14 is arranged in the box body 12, an air inlet pipe 15 is fixedly connected in the cavity 14, an air inlet channel 16 is hollowed in the air inlet pipe 15, the left end of the air inlet channel 16 is communicated with the outside air, an air suction fan 13 is arranged in the air inlet channel 16, when the air suction fan 13 is opened, the air in the air inlet channel 16 is sucked from the left side to the right side, a main formaldehyde detector 38 is fixedly connected in the air inlet channel 16, the main formaldehyde detector 38 is used for detecting the formaldehyde concentration in the air, a sliding plate 37 is arranged in the air inlet channel 16 in a sliding mode, the sliding plate 37 is positioned on the right side of the main formaldehyde detector 38, when the main formaldehyde detector 38 detects the formaldehyde in the air, the sliding plate 37 slides upwards, and then the air flows into the right side of the sliding plate 37 from the left side, a fixed block 49 is fixedly connected in the air inlet channel 16, a sliding groove 50 with a leftward opening is arranged in the fixed block 49, the sliding groove 50 is communicated with the air inlet channel 16, the inner wall of the upper end of the sliding groove 50 is provided with a fan switch 48, the fan switch 48 is electrically connected with the suction fan 13, an activated carbon plate 52 is slidably arranged in the sliding groove 50, the surface of the activated carbon plate 52 is coated with activated carbon for adsorbing formaldehyde flowing in from the left end of the air inlet channel 16, an extension spring 51 is connected between the right end of the activated carbon plate 52 and the inner wall of the right side of the sliding groove 50, a through-going circulation groove 53 is arranged on the activated carbon plate 52, that is, when the activated carbon plate 52 moves rightward, the air at the lower side of the circulation groove 53 communicates with the upper side of the circulation groove 53, and the right end of the activated carbon plate 52 contacts the blower switch 48, then the air extracting fan 13 is started to extract the air in the air inlet channel 16 from left to right; the right side of the air inlet pipe 15 is fixedly connected with an absorption box 19, an absorption cavity 17 is arranged in the absorption box 19, a partition plate 77 is arranged in the absorption cavity 17, the absorption cavity 17 is divided into a left part and a right part by the partition plate 77, water is filled in the absorption cavity 17 and is separated from the space on the right side by the partition plate 77, the right end of the air inlet pipe 15 is positioned below the water surface, namely, formaldehyde in the air inlet channel 16 is dissolved by water in the absorption cavity 17 when entering the absorption cavity 17, undissolved formaldehyde is emitted out from the water surface and enters the absorption cavity 17, a paraformaldehyde detector 18 is fixedly connected in the absorption cavity 17 and is used for detecting the concentration of formaldehyde in the air, the lower end of the absorption cavity 17 is fixedly connected with a rotating motor 57, the rotating motor 57 is positioned on the right side of the partition plate 77, and the rotating motor 57 is electrically connected with the paraformaldehyde detector 18, the upper end of the rotating motor 57 is connected with a threaded shaft 56 in a power mode, the threaded shaft 56 is connected with a threaded plate 54 in a threaded mode, the left end of the threaded plate 54 is provided with a scale shaft 55 in a sliding mode, scales are arranged on the scale shaft 55, the lower end of the scale shaft 55 is fixedly connected with the inner wall of the lower side of the absorption cavity 17, namely when the paraformaldehyde detector 18 detects that formaldehyde exists in the absorption cavity 17, the rotating motor 57 is controlled to be started to drive the threaded shaft 56 to rotate, the threaded plate 54 is driven to move up and down along the scale shaft 55 and the threaded shaft 56, the contact position of the upper surface of the threaded plate 54 and the scales on the scale shaft 55 is the concentration of formaldehyde in the air, the effect of displaying the concentration of the formaldehyde in the absorption cavity 17 is achieved, the inner wall of the lower volume of the absorption cavity 17 is fixedly connected with a convex block 58, and, the upper surface of the bump 58 is provided with a contact plate 59, the left end of the contact plate 59 is in contact with the rotating motor 57, the right end of the contact plate 59 is rotatably provided with a rotating door 60, the upper end of the rotating door 60 is rotatably provided with a protruding block 63, the protruding block 63 is fixedly connected to the inner wall of the right side of the absorption cavity 17, the lower end of the right side of the absorption cavity 17 is fixedly provided with an air pipe 62, an air groove 61 is arranged in the air pipe 62, the lower end of the air groove 61 is communicated with the outside air, when the rotating door 60 rotates clockwise around the protruding block 63, namely the rotating door 60 is opened, the air in the absorption cavity 17 is communicated with the air groove 61 and further communicated with the outside air, when the paraformaldehyde detector 18 detects that formaldehyde which is not absorbed by water in the air in the absorption cavity 17, and the rotating motor 57 is started to drive the threaded shaft 56 to rotate when the concentration of, further driving the screw plate 54 to move upwards, at this time, the left end of the contact plate 59 moves upwards, under the contact action of the projection 58, the right end of the contact plate 59 moves downwards, further the rotating door 60 rotates anticlockwise around the projection 63, further the rotating door 60 closes, so that the absorption cavity 17 is not communicated with the air groove 61, high-concentration formaldehyde is prevented from entering air through the air groove 61, and simultaneously, the scale of the contact position of the upper surface of the screw plate 54 and the scale shaft 55 is the concentration of formaldehyde; when the concentration of formaldehyde is very low, the rotating motor 57 controls the threaded shaft 56 to rotate reversely, so that the threaded plate 54 moves downwards, the left end of the contact plate 59 is pressed downwards, the right end of the contact plate 59 tilts upwards under the contact action of the bump 58, the rotating door 60 rotates clockwise around the protruding block 63, the rotating door 60 is opened, the purified air in the absorption cavity 17 can flow out to the outside through an air pipe 62, and the scale of the contact position of the upper surface of the threaded plate 54 and the scale shaft 55 is the concentration of formaldehyde at the moment; a chemical box 22 is fixedly connected to the right side of the cavity 14, a chemical cavity 21 is arranged in the chemical box 22, an air pressure device 100 is arranged between the chemical cavity 21 and the absorption cavity 17, an illuminating lamp 20 is arranged at the upper end of the chemical cavity 21, a photocatalyst 64 is arranged at the lower end of the chemical cavity 21, and the photocatalyst 64 decomposes formaldehyde in the air and generates harmless gas under the illumination effect of the chemical cavity 21, namely when the paraformaldehyde detector 18 detects that the concentration of formaldehyde in the air of the absorption cavity 17 is very low, the rotary door 60 is opened, so that the air in the absorption cavity 17 is communicated with the outside, and at the moment, the air pressure device 100 does not work; when the paraformaldehyde detector 18 detects that the concentration of formaldehyde in the air in the absorption cavity 17 is not low, the rotating door 60 is closed, and at this time, under the action of air pressure, the air pressure device 100 is opened, so that the air in the absorption cavity 17 is pressed into the chemical cavity 21, and meanwhile, the illumination lamp 20 emits light to stimulate the photocatalyst 64 to decompose formaldehyde in the air in the chemical cavity 21 into harmless gas.
According to the embodiment, the pneumatic device 100 will be described in detail below, the pneumatic device 100 includes a pneumatic groove 68, the left end of the pneumatic groove 68 is communicated with the absorption chamber 17, the right end of the pneumatic groove 68 is communicated with the chemical chamber 21, a pressure block 74 is slidably disposed in the pneumatic groove 68, a pressure chamber 72 with an upward opening is disposed below the pressure block 74, the pressure chamber 72 is communicated with the pneumatic groove 68, two spring plates 71 are slidably disposed in the pressure chamber 72, a small-factor spring 70 is connected between the two spring plates 71, a pressure rod 73 is rotatably disposed at the upper end of the spring plate 71, the upper end of the pressure rod 73 is rotatably connected to the pressure block 74, an interior lighting switch 69 is disposed on the inner wall of the right side of the pressure chamber 72, the lighting switch 69 is electrically connected to the lighting lamp 20, when the pressure in the absorption chamber 17 rises, the pressure block 74 slides downward along the pneumatic groove 68 under the action of the pneumatic pressure, the air in the absorption chamber 17 is pressed into the chemical chamber 21 through the air pressure groove 68, and simultaneously, under the rotating connection action of the pressure rod 73, the spring plates 71 on the left and right sides slide to the left and right along the pressure chamber 72 respectively, and simultaneously stretch the small-coefficient spring 70, and then the spring plate 71 on the right side contacts and presses the light switch 69, so that the lighting lamp 20 is lighted, and the photocatalyst 64 is stimulated to decompose the formaldehyde entering the chemical chamber 21, and harmless gas is generated.
Beneficially, a connecting rod 39 is rotatably disposed at the upper end of the sliding plate 37, a rotating rod 40 is rotatably disposed at the upper end of the connecting rod 39, a driving shaft 41 is fixedly connected to the upper end of the rotating rod 40, the right end of the driving shaft 41 is in power connection with a main motor 34, the right end face of the main motor 34 is fixedly connected to the side wall of the air inlet pipe 15, the main motor 34 is electrically connected to the main formaldehyde detector 38, a turbine 43 is engaged with the upper end of the driving shaft 41, a driven shaft 42 is fixedly connected to the turbine 43, the driven shaft 42 is rotatably connected to the front and rear inner walls of the box 12, a driving pulley 46 is fixedly connected to the driven shaft 42, a belt 33 is engaged with the driving pulley 46, a driven pulley 47 is engaged with the right side of the belt 33, a connecting shaft 31 is fixedly connected to the driven pulley 47, namely under the linkage effect of belt 33, driving pulley 46 rotates and drives driven pulley 47 rotates, it is equipped with pinion 30 to rotate on the connecting axle 31, it is equipped with transmission shaft 29 to rotate between the inner wall around the box 12, it is equipped with gear wheel 28 to link firmly on transmission shaft 29, gear wheel 28's thickness is greater than pinion 30's thickness and pinion 30 with the latter half meshing of gear wheel 28, the meshing of pinion 30 left end is equipped with left rack piece 32, the meshing of gear wheel 28 front side lower extreme is equipped with lower rack piece 27, it is equipped with clear water tank 45 to link firmly in the box 12, be equipped with clear water chamber 44 in the clear water tank 45, clear water chamber 44 is used for depositing the clear water of no formaldehyde concentration, clear water chamber 44 with absorption cavity 17 is linked together, left rack piece 32 with clear water tank 45 sliding connection, when left rack piece 32 slides downwards, the water in the clean water chamber 44 flows into the absorption chamber 17, when the left rack block 32 slides upwards to contact the upper end of the clean water chamber 44, the water in the clean water chamber 44 is blocked and cannot flow into the absorption chamber 17, the inner wall of the lower side of the tank body 12 is fixedly connected with the sewage tank 26, the sewage tank 26 is internally provided with the sewage chamber 25, the sewage chamber 25 is used for storing the water dissolved with formaldehyde, a water outlet groove 75 is arranged between the absorption chamber 17 and the sewage chamber 25, the water outlet groove 75 is communicated with the sewage chamber 25 and the absorption chamber 17, the lower rack block 27 is slidably connected with the water outlet groove 75, when the lower rack block 27 moves leftwards, the water in the absorption chamber 17 flows into the sewage chamber 25 through the water outlet groove 75, when the lower rack block 27 slides rightwards to the inner wall of the right end of the water outlet groove 75, the water in the absorption chamber 17 is blocked and cannot flow into the sewage chamber 25 through the water outlet groove 75, when the main formaldehyde detector 38 detects that formaldehyde is contained in the air, the main motor 34 is started to drive the driving shaft 41 to rotate, and further drive the rotating rod 40 to rotate, and further drive the connecting rod 39 to rotate, and further drive the main formaldehyde detector 38 to move upwards, so that air enters the air inlet channel 16, and further the formaldehyde in the air is partially adsorbed by the activated carbon on the surface of the activated carbon plate 52, and meanwhile, the driving shaft 41 rotates and drives the turbine 43 to rotate, and further drives the driven shaft 42 to rotate, and further drives the driving belt pulley 46 to rotate, and further drives the driven belt pulley 47 to rotate through the belt 33, and further drives the connecting shaft 31 to rotate, and further drives the pinion 30 to rotate, and further drives the bull gear 28 to rotate reversely, and further the pinion 30 drives the left rack block 32 to move up and down, the bull gear 28 drives the lower rack block 27 to move left and right, and because the pinion 30 and the bull gear 28 rotate in opposite directions, when the left rack block 32 moves downward, the lower rack block 27 moves left, and when the left rack block 32 moves upward, the lower rack block 27 moves right, so when the main formaldehyde detector 38 detects that the concentration of formaldehyde in air is low, the upward movement distance of the sliding plate 37 is small, and further, less air enters the air inlet channel 16, meanwhile, the downward movement of the left rack block 32 is small, the water flow entering the absorption cavity 17 in the clear water cavity 44 is small, meanwhile, the left movement of the lower rack block 27 is small, the flow of water dissolved with formaldehyde in the absorption cavity 17 flowing into the sewage cavity 25 is small, and the processes of new water inflow and old water outflow are realized; when the main formaldehyde detector 38 detects that the concentration of formaldehyde in the air is high, the sliding plate 37 moves upward for a long distance, so that more air enters the air inlet channel 16, and at the same time, the left rack block 32 moves downward for a long time, the flow rate of water in the clean water chamber 44 flowing into the absorption chamber 17 is large, and at the same time, the lower rack block 27 moves leftward for a long time, the flow rate of water dissolved with formaldehyde in the absorption chamber 17 flowing into the sewage chamber 25 is large, that is, the water exchange amount is large at this time.
Advantageously, the opposite-shaped cam 36 is engaged with the lower end of the driving shaft 41, teeth are arranged on the circumferential surface of the upper half portion of the opposite-shaped cam 36 to engage with the lower end of the driving shaft 41, the opposite-shaped cam 36 is fixedly connected with the power shaft 35, the front end and the rear end of the power shaft 35 are fixedly connected to the front inner wall and the rear inner wall of the air inlet pipe 15, the lower end of the opposite-shaped cam 36 contacts with the activated carbon plate 52, and the activated carbon plate 52 is pushed to slide rightwards under the rotation action of the opposite-shaped cam 36, so that the air at the upper end of the activated carbon plate 52 is communicated with the air at the lower end, that is, when the main motor 34 is started, the driving shaft 41 drives the opposite-shaped cam 36 to rotate, so that the lower end of the opposite-shaped cam 36 pushes the activated carbon plate 52 to move rightwards, so that the air at, at this time, the suction fan 13 is started to suck the air into the water in the absorption cavity 17 through the activated carbon plate 52, so that formaldehyde which is not adsorbed by the activated carbon in the air is dissolved in the water, therefore, when the main formaldehyde detector 38 detects that the concentration of formaldehyde in the air is low, the sliding plate 37 moves upwards for a short distance, and then the air entering the air inlet channel 16 is small, and simultaneously, the distance for the activated carbon plate 52 to move to the right is small, i.e. the low-concentration formaldehyde entering the air inlet channel 16 is basically adsorbed on the activated carbon plate 52, the activated carbon plate 52 contacts and presses the fan switch 48 during moving to the right, the suction fan 13 is started, and the formaldehyde in the air inlet channel 16 is sucked into the absorption cavity 17 through the suction fan 13 to be dissolved with the water; when the main formaldehyde detector 38 detects that the concentration of formaldehyde in the air is high, the sliding plate 37 moves upwards for a long distance, so that more air enters the air inlet channel 16, and simultaneously the distance for the activated carbon plate 52 to move rightwards is long, namely, the high-concentration formaldehyde entering the air inlet channel 16 can only be adsorbed by the activated carbon plate 52 for a small part, the activated carbon plate 52 contacts and presses the fan switch 48 during the rightward movement process, the suction fan 13 is turned on, and the formaldehyde in the air inlet channel 16 is sucked into the absorption cavity 17 through the suction fan 13 to be dissolved with water.
Beneficially, a water inlet plug 11 is arranged above the clean water cavity 44, when the water in the clean water cavity 44 is finished, the water inlet plug 11 is pulled out upwards, and the clean water without formaldehyde concentration is manually poured inwards; a water outlet plug 24 is arranged below the sewage cavity 25, when the sewage cavity 25 is full of water, the water outlet plug 24 is pulled out downwards, and water with formaldehyde dissolved in the sewage cavity 25 is poured out; an air plug 23 is arranged on the right side of the chemical box 22, and the air plug 23 is pulled out rightwards every certain time, so that the nontoxic gas generated in the chemical cavity 21 is communicated with the outside; chemistry chamber 21 below is equipped with fixed plate 65, box 12 with seted up threaded hole 67 in the fixed plate 65, threaded hole 67 internal threaded connection is equipped with screw 66, works as photocatalyst 64 consumes totally, rotates screw 66, will fixed plate 65 is down taken out, is changed photocatalyst 64.
The following describes in detail the use steps of a formaldehyde detecting and removing device in the present disclosure with reference to fig. 1 to 7: initially, the main formaldehyde detector 38 is in a detection state, the main motor 34 is not started, the rotating motor 57 is not started, and the suction fan 13 is not started; when the main formaldehyde detector 38 detects that formaldehyde exists in the air, the main motor 34 is started, so that the driving shaft 41 is driven to rotate, the rotating rod 40 is driven to rotate, the connecting rod 39 is driven to rotate, the main formaldehyde detector 38 is driven to move upwards, the air enters the air inlet channel 16, and the formaldehyde in the air is partially adsorbed by the activated carbon on the surface of the activated carbon plate 52; meanwhile, the driving shaft 41 drives the opposite-type cam 36 to rotate, the lower end of the opposite-type cam 36 pushes the activated carbon plate 52 to move right, the air at the upper end of the activated carbon plate 52 is communicated with the air at the lower end, the activated carbon plate 52 contacts and presses the fan switch 48 in the process of moving right, and at the moment, the air suction fan 13 is started to suck the air into the water in the absorption cavity 17 through the circulation groove 53, so that the formaldehyde which is not adsorbed by the activated carbon in the air is dissolved in the water; meanwhile, the driving shaft 41 rotates and drives the turbine 43 to rotate, so as to drive the driven shaft 42 to rotate, so as to drive the driving belt pulley 46 to rotate, so as to drive the driven belt pulley 47 to rotate through the belt 33, so as to drive the connecting shaft 31 to rotate, so as to drive the pinion 30 to rotate, so as to drive the bull gear 28 to rotate in the reverse direction, so that the pinion 30 drives the left rack block 32 to move up and down, so as to control the water flow rate flowing into the absorption cavity 17 in the clear water cavity 44, and meanwhile, the bull gear 28 drives the lower rack block 27 to move left and right, so as to control the water flow rate flowing into the sewage cavity 25 in the absorption cavity 17, because the pinion 30 and the bull gear 28 rotate in the reverse direction, when the left rack block 32 moves downwards, the lower rack block 27 moves leftwards, and when the left; therefore, when the main formaldehyde detector 38 detects that the formaldehyde concentration in the air is low, the upward movement distance of the sliding plate 37 is small, so that the air entering the air inlet channel 16 is small, meanwhile, the rightward movement distance of the activated carbon plate 52 is small, and the opening of the circulating groove 53 is small, namely, the low-concentration formaldehyde entering the air inlet channel 16 is basically adsorbed on the activated carbon plate 52, the activated carbon plate 52 contacts and presses the fan switch 48 in the rightward movement process, the air suction fan 13 is turned on, the formaldehyde in the air inlet channel 16 is sucked into the absorption cavity 17 through the circulating groove 53 and the air suction fan 13 to be dissolved in the water, meanwhile, the downward movement of the left rack block 32 is small, the water flow entering the absorption cavity 17 in the clean water cavity 44 is small, meanwhile, the leftward movement of the lower rack block 27 is small, the flow of the water dissolved with the formaldehyde in the absorption cavity 17 into the sewage cavity 25 is small, and the processes of new water inflow and; when the main formaldehyde detector 38 detects that the concentration of formaldehyde in the air is high, the sliding plate 37 moves upwards for a long distance, so that more air enters the air inlet channel 16, meanwhile, the activated carbon plate 52 moves rightwards for a long distance, namely, the opening of the circulation groove 53 is large, namely, high-concentration formaldehyde entering the air inlet channel 16 can only be adsorbed by a small part of the activated carbon plate 52, the activated carbon plate 52 contacts and presses the fan switch 48 in the rightwards moving process, the air suction fan 13 is started, formaldehyde in the air inlet channel 16 is sucked into the absorption cavity 17 through the circulation groove 53 and the air suction fan 13 to be dissolved in water, meanwhile, the left rack block 32 moves downwards for a large amount, the flow rate of water in the clear water cavity 44 flowing into the absorption cavity 17 is large, meanwhile, the lower rack block 27 moves leftwards for a large amount, and the flow rate of water in the absorption cavity 17 with formaldehyde flowing into the sewage cavity 25 is large, namely, at this time;
meanwhile, the paraformaldehyde detector 18 detects the concentration of formaldehyde in the air in the absorption cavity 17, when the concentration of formaldehyde is high, the rotating motor 57 is started and drives the threaded shaft 56 to rotate, so as to drive the threaded plate 54 to move upwards, at the moment, the left end of the contact plate 59 moves upwards, because the contact plate 59 is only in surface contact with the bump 58, at the moment, the rotating door 60 rotates anticlockwise under the action of the gravity of the rotating door 60, so that the right end of the contact plate 59 rotates downwards and is closed, so that the right end of the contact plate 59 rotates downwards, namely, the circulation of the air in the absorption cavity 17 and the air groove 61 is blocked, the high-concentration formaldehyde is prevented from entering the air through the air groove 61, and the scale at the contact part of the upper surface of the threaded plate 54 and the; when the concentration of formaldehyde is very low, the rotating motor 57 controls the threaded shaft 56 to rotate reversely, so that the threaded plate 54 moves downwards, the left end of the contact plate 59 is pressed downwards, the right end of the contact plate 59 tilts upwards under the contact action of the bump 58, the rotating door 60 rotates clockwise around the protruding block 63, the rotating door 60 is opened, the purified air in the absorption cavity 17 can flow out to the outside through the air pipe 62, and meanwhile, the scale of the contact position of the upper surface of the threaded plate 54 and the scale shaft 55 is the concentration of formaldehyde; when the formaldehyde concentration in the absorption cavity 17 is high, the rotating door 60 is in a closed state, at the moment, the air pressure in the absorption cavity 17 is slowly increased, when the air pressure in the absorption cavity 17 is increased, the pressure block 74 slides downwards along the air pressure groove 68 under the action of the air pressure, further, the air in the absorption cavity 17 is pressed into the chemical cavity 21 through the air pressure groove 68, meanwhile, under the rotating connection action of the pressure rod 73, the spring plates 71 on the left side and the right side respectively slide leftwards and rightwards along the pressure cavity 72, meanwhile, the small-coefficient springs 70 are stretched, further, the spring plate 71 on the right side is contacted and presses the light switch 69, further, the illuminating lamp 20 is lightened, further, the laser catalyst 64 is stimulated to decompose the formaldehyde entering the chemical cavity 21, and harmless gas is; when the water in the clean water cavity 44 is finished, the water inlet plug 11 is pulled out upwards, and the clean water without formaldehyde concentration is manually filled inwards; when the sewage cavity 25 is full of water, the water plug 24 is pulled out downwards, and the water with the formaldehyde dissolved in the sewage cavity 25 is poured out; the air plug 23 is pulled out rightwards every certain time, so that the nontoxic gas generated in the chemical cavity 21 is communicated with the outside; when the photocatalyst 64 is exhausted, the screw 66 is rotated to take out the fixing plate 65 downward, and the photocatalyst 64 is replaced.
The invention has the beneficial effects that: the invention carries out three-layer evolution on formaldehyde, comprises two layers of physical evolution and one layer of chemical purification, thoroughly changes the formaldehyde which is not dissolved in water into harmless gas in the air, can adjust the amount of the air entering an air inlet channel through the concentration of the formaldehyde, can also adjust the amount of water change in an absorption cavity through the concentration of the formaldehyde, and adjusts the size of a rotating door through detecting the concentration of the formaldehyde in the absorption cavity, so that the formaldehyde air with extremely low concentration can directly flow to the outside, and the formaldehyde air with high concentration cannot flow to the outside and needs to be chemically purified.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims (5)

1. The utility model provides a formaldehyde detects remove device, includes the box, its characterized in that: a cavity is arranged in the box body, an air inlet pipe is fixedly connected in the cavity, an air inlet channel is hollowed in the air inlet pipe, the left end of the air inlet channel is communicated with the outside air, an air exhaust fan is arranged in the air inlet channel, a main formaldehyde detector is fixedly connected in the air inlet channel, a sliding plate is arranged in the air inlet channel in a sliding manner and is positioned on the right side of the main formaldehyde detector, a fixed block is fixedly connected in the air inlet channel, a sliding groove with a leftward opening is arranged in the fixed block, the sliding groove is communicated with the air inlet channel, the inner wall of the upper end of the sliding groove is provided with a fan switch, the fan switch is electrically connected with the exhaust fan, an activated carbon plate is arranged in the sliding groove in a sliding manner, an extension spring is connected between the right end of the activated carbon plate and the inner wall of the right side of the sliding groove, and a through groove which is communicated up and down is arranged on the activated carbon plate; the right side of the air inlet pipe is fixedly connected with an absorption box, an absorption cavity is arranged in the absorption box, a separation plate is arranged in the absorption cavity, water is filled in the absorption cavity and is separated from the right side space by the separation plate, the right end of the air inlet pipe is positioned below the water surface, a vice formaldehyde detector is fixedly connected in the absorption cavity, the lower end of the absorption cavity is fixedly connected with a rotating motor, the rotating motor is positioned on the right side of the separation plate, the rotating motor is electrically connected with the vice formaldehyde detector, the upper end of the rotating motor is dynamically connected with a threaded shaft, the threaded shaft is provided with a threaded plate in a threaded connection manner, the left end of the threaded plate is slidably provided with a scale shaft, scales are arranged on the scale shaft, the lower end of the scale shaft is fixedly connected with the inner wall at the lower side of the absorption cavity, the inner, the upper surface of the convex block is provided with a contact plate in contact, the left end of the contact plate is in contact with the rotating motor, the right end of the contact plate is rotatably provided with a rotating door, the upper end of the rotating door is rotatably provided with a protruding block, the protruding block is fixedly connected to the inner wall of the right side of the absorption cavity, the lower end of the right side of the absorption cavity is fixedly connected with an air pipe, an air groove is formed in the air pipe, and the lower end of the air groove is communicated with outside air; the cavity right side links firmly and is equipped with the chemical tank, be equipped with the chemical cavity in the chemical tank, the chemical cavity with absorb and be equipped with air pressure device between the chamber, the chemical cavity upper end is equipped with the light, the chemical cavity lower extreme is equipped with photocatalyst, photocatalyst is in under the illumination effect in chemical cavity, with formaldehyde decomposition in the air and produce harmless gas.
2. The formaldehyde detecting and removing device as claimed in claim 1, wherein: the pneumatic device comprises a pneumatic groove, the left end of the pneumatic groove is communicated with the absorption cavity, the right end of the pneumatic groove is communicated with the chemical cavity, a pressure block is arranged in the pneumatic groove in a sliding mode, a pressure cavity with an upward opening is arranged below the pressure block, the pressure cavity is communicated with the pneumatic groove, two spring plates are arranged in the pressure cavity in a sliding mode, a small-coefficient spring is connected between the two spring plates, a pressure rod is arranged at the upper end of each spring plate in a rotating mode, the upper end of the pressure rod is connected to the pressure block in a rotating mode, a light switch is arranged on the inner wall of the right side of the pressure cavity, and the light switch.
3. The formaldehyde detecting and removing device as claimed in claim 1, wherein: the upper end of the sliding plate is rotatably provided with a connecting rod, the upper end of the connecting rod is rotatably provided with a rotating rod, the upper end of the rotating rod is fixedly connected with a driving shaft, the right end of the driving shaft is in power connection with a main motor, the right end face of the main motor is fixedly connected on the side wall of the air inlet pipe, the main motor is electrically connected with the main formaldehyde detector, the upper end of the driving shaft is engaged with a turbine, the turbine is fixedly connected with a driven shaft, the driven shaft is rotatably connected on the front inner wall and the rear inner wall of the box body, the driven shaft is fixedly connected with a driving belt pulley, the driving belt pulley is engaged with a belt, the right side of the belt is engaged with a driven belt pulley, the driven belt pulley is fixedly connected with a connecting shaft, the connecting, a bull gear is fixedly connected to the transmission shaft, the thickness of the bull gear is larger than that of the pinion gear, the pinion gear is meshed with the rear half part of the bull gear, the left end of the small gear is engaged with a left rack block, the lower end of the front side of the big gear is engaged with a lower rack block, a clear water tank is fixedly connected in the tank body, a clear water cavity is arranged in the clear water tank and is used for storing clear water without formaldehyde concentration, the clear water cavity is communicated with the absorption cavity, the left rack block is connected with the clear water tank in a sliding way, a sewage tank is fixedly connected with the inner wall of the lower side of the tank body, a sewage cavity is arranged in the sewage tank and is used for storing water dissolved with formaldehyde, a water outlet groove is formed between the absorption cavity and the sewage cavity, the water outlet groove is communicated with the sewage cavity and the absorption cavity, and the lower rack block is in sliding connection with the water outlet groove.
4. The formaldehyde detecting and removing device as claimed in claim 3, wherein: the active carbon plate is characterized in that the lower end of the active shaft is meshed with an opposite-sex cam, the upper half circumferential surface of the opposite-sex cam is toothed and meshed with the lower end of the active shaft, a power shaft is fixedly connected to the opposite-sex cam, the front end and the rear end of the power shaft are fixedly connected to the front inner wall and the rear inner wall of the air inlet pipe, and the lower end of the opposite-sex cam is in contact with the active carbon.
5. The formaldehyde detecting and removing device as claimed in claim 3, wherein: the chemical tank is characterized in that a water inlet plug is arranged above the clean water cavity, a water outlet plug is arranged below the sewage cavity, an air plug is arranged on the right side of the chemical tank, a fixing plate is arranged below the chemical cavity, a threaded hole is formed in the tank body and the fixing plate, and a screw is arranged in the threaded hole in a threaded connection mode.
CN202010399230.5A 2020-05-12 2020-05-12 Formaldehyde detects remove device Active CN111359391B (en)

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GBGB2014293.1A GB202014293D0 (en) 2020-05-12 2020-09-11 A formaldehyde detection and removal device

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CN106422769A (en) * 2016-11-11 2017-02-22 成都瀚志信息技术有限公司 Device capable of removing formaldehyde in indoor air
CN106769740A (en) * 2017-01-24 2017-05-31 柳州得实科技有限公司 A kind of formaldehyde detects cleaning system
CN108744867A (en) * 2018-03-22 2018-11-06 深圳市玖品空气净化科技有限公司 A kind of intelligent air cleaning facility for handling the sustainable operation of formaldehyde
CN208109706U (en) * 2018-04-10 2018-11-16 内蒙古寰宇环境科技有限公司 A kind of formaldehyde measurement instrument with in-site measurement concentration of formaldehyde function
CN108854436A (en) * 2018-06-28 2018-11-23 深圳市玖品空气净化科技有限公司 A kind of methanal decontamination plant that absorption efficiency is high
CN110237703A (en) * 2019-06-21 2019-09-17 黄淮学院 A kind of intelligence formaldehyde arrester

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* Cited by examiner, † Cited by third party
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CN112316651A (en) * 2020-10-29 2021-02-05 李丽 Indoor air formaldehyde measures and clears away appearance
CN113426250A (en) * 2021-06-09 2021-09-24 厦门泽玥科技有限公司 Remove formaldehyde system
CN113426250B (en) * 2021-06-09 2022-11-29 浙江悦峥环保科技有限公司 Remove formaldehyde system
CN114307590A (en) * 2021-12-21 2022-04-12 广州优吸环保科技有限公司 Intelligent formaldehyde removing device

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