CN112023657B - Portable indoor formaldehyde treatment equipment and formaldehyde purification method using same - Google Patents
Portable indoor formaldehyde treatment equipment and formaldehyde purification method using same Download PDFInfo
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- CN112023657B CN112023657B CN202010878557.0A CN202010878557A CN112023657B CN 112023657 B CN112023657 B CN 112023657B CN 202010878557 A CN202010878557 A CN 202010878557A CN 112023657 B CN112023657 B CN 112023657B
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- 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
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/306—Alkali metal compounds of potassium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/608—Sulfates
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- 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
- B01D2257/708—Volatile organic compounds V.O.C.'s
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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
Abstract
The invention provides a portable indoor formaldehyde treatment device and a formaldehyde purification method using the same, comprising an air introducing chamber, an absorption reaction chamber, a purification reaction chamber and a control element unit, wherein the bottom of the absorption reaction chamber is provided with an air inlet hole, the absorption reaction chamber is internally provided with an air blocking mechanism and a buoyancy switch, the outer wall of the absorption reaction chamber is provided with a water inlet mechanism, the upper end of the absorption reaction chamber is provided with a left air introducing pipe and a right air introducing pipe, the bottom of the purification reaction chamber is fixedly provided with a spray plate and a filter screen, the top of the purification reaction chamber is provided with two exhaust pipes and a feeding port cover, the control element unit comprises a touch display screen, a controller, a power supply, a flashing lamp, a buzzer, a PH probe and a formaldehyde detector probe, the invention can rapidly and completely absorb formaldehyde and immediately react to generate water, has good formaldehyde purification effect, and is particularly suitable for formaldehyde treatment in winter and in unsmooth ventilation or closed environment, does not cause secondary pollution, and has the characteristics of small equipment, convenient carrying, rapid absorption reaction, and stable and safe use.
Description
Technical Field
The invention relates to the technical field of harmful gas treatment, in particular to portable indoor formaldehyde treatment equipment and a formaldehyde purification method using the same.
Background
Formaldehyde is a key pollutant causing leukemia in children or vulnerable groups, and has been defined as carcinogenic and teratogenic by the world health organization as early as 2011, when the indoor formaldehyde concentration exceeds standard, throat itching, throat swelling and pain and eye dryness and discomfort can occur in the respiratory system, people face the risk of causing diseases in the respiratory system, and chronic respiratory diseases, nasopharyngeal carcinoma, colon cancer, brain tumor, cell nucleus gene mutation and the like can be caused by long-term exposure to low-dose formaldehyde. Therefore, the formaldehyde pollution source is cleaned in time, and the prevention is more important.
Currently, there are several main ways to remove formaldehyde: firstly, window opening ventilation is carried out, but because the specific gravity of formaldehyde is slightly larger than that of air, the house type with poor ventilation effect and most closed places such as indoor corners and cabinets are easy to gather formaldehyde; secondly, the plants are adsorbed, the adsorption capacity of the plants is very limited, and the plants only have a slight auxiliary effect and can only be suitable for a low-concentration formaldehyde environment; thirdly, the photocatalyst removes formaldehyde, but the mode of the photocatalyst has slow reaction, long period and is influenced by illumination, and residual reagent must be scrubbed after the formaldehyde is removed, so as to avoid the harm of titanium contained in the reagent to the health of people; fourth, air purifiers are used, but the effect of the air purifier is gradually weakened after a certain period of use.
Therefore, a portable indoor formaldehyde treatment apparatus and a formaldehyde purification method using the same, which can solve the above problems, are required.
Disclosure of Invention
The invention provides a portable indoor formaldehyde treatment device and a formaldehyde purification method using the same, which can quickly and completely absorb formaldehyde and instantly react to generate water, have good formaldehyde purification effect, are particularly suitable for treating formaldehyde in winter and in unsmooth ventilation or closed environments, cannot cause secondary pollution, and have the characteristics of small size, convenient carrying, quick absorption reaction and stable and safe use.
One technical scheme of the invention is realized as follows:
the portable indoor formaldehyde treatment equipment comprises an equipment body, wherein an induced air area, an absorption reaction area, a purification reaction area and a control element unit are sequentially arranged in the equipment body from bottom to top;
the air inducing area comprises an air inducing chamber, a plurality of air inlets are formed in the side wall and the bottom of the air inducing chamber, an induced draft fan, a residual liquid pool and a circulating water pump are fixed in the air inducing chamber, the air outlet end of the induced draft fan is communicated with the residual liquid pool through an air inducing pipe, and a liquid discharge valve used for discharging residual liquid in the residual liquid pool is installed at the bottom of the residual liquid pool;
the absorption reaction area comprises an absorption reaction chamber arranged above the induced draft chamber, an air inlet is arranged at the middle position of the bottom of the absorption reaction chamber and is communicated with the residual liquid tank through an air supply pipe, a check valve is arranged at one end, close to the air inlet, of the air supply pipe, an air blocking mechanism is arranged in the absorption reaction chamber, a buoyancy switch used for controlling the circulating water pump is further fixed on one inner wall of the absorption reaction chamber, and a water inlet mechanism communicated with the absorption reaction chamber and the circulating water pump is further arranged on the outer wall of the absorption reaction chamber,
the purification reaction area comprises a purification reaction chamber arranged above the absorption reaction chamber, a left air-entraining pipe and a right air-entraining pipe are arranged at the upper ends of two side walls of the absorption reaction chamber, the other ends of the left air-entraining pipe and the right air-entraining pipe extend into the purification reaction chamber, the water outlet end of the circulating water pump is communicated with the purification reaction chamber through a water outlet pipe, a spray plate is further fixed at the bottom of the purification reaction chamber, a plurality of spray holes communicated with the purification reaction chamber and the absorption reaction chamber are formed in the spray plate, a filter screen is covered above the spray plate, two exhaust pipes and a feeding port cover are further arranged at the top of the purification reaction chamber, and an adjustable exhaust valve is arranged at one end of each exhaust pipe extending out of the purification reaction chamber;
the control element unit is including being fixed in the handle of equipment body top, handle department is fixed with touch display screen, controller, power, flashing light and bee calling organ, circulating water pump, draught fan, flashing light, bee calling organ and touch display screen all with the controller is connected, be fixed with in the purification reaction chamber with the PH probe that the controller is connected, each blast pipe department all be provided with one with the formaldehyde detector probe that the controller is connected.
Preferably, the air blocking mechanism includes a first air blocking plate and a second air blocking plate horizontally arranged from top to bottom, a square partition plate is fixed between the first air blocking plate and the second air blocking plate, a plurality of first air cutting holes are uniformly formed in the first air blocking plate, a plurality of second air cutting holes are uniformly formed in the second air blocking plate, and a gas-liquid exchange channel with a certain height is formed between the first air blocking plate and the bottom wall of the absorption reaction chamber.
As a preferred technical scheme, the water inlet mechanism comprises a three-way switching valve fixed on the outer side wall of the equipment body, one end of the three-way switching valve is provided with a first water inlet pipe for water inlet in the equipment body, the other two ends of the three-way switching valve are respectively provided with a second water inlet pipe and a third water inlet pipe, the free end of the third water inlet pipe extends into the absorption reaction chamber, the end part of the free end of the third water inlet pipe is provided with a gas blocking cup, and the free end of the second water inlet pipe is connected with the water inlet end of the circulating water pump.
As a preferred technical scheme, the side wall of the absorption reaction chamber and the side wall of the purification reaction chamber are respectively provided with a visual window, and a liquid level meter arranged on one side corresponding to the visual window is fixed in each of the absorption reaction chamber and the purification reaction chamber.
As a preferable technical scheme, the apparatus body includes an upper casing and a lower casing which are arranged up and down, the air induction chamber and the absorption reaction chamber are arranged in the lower casing, the purification reaction chamber is arranged in the upper casing, the upper casing and the lower casing are fixed together by a plurality of fastening bolts, and a sealing gasket for sealing is arranged between the upper casing and the lower casing.
The other technical scheme of the invention is realized as follows:
the formaldehyde purification method applying the portable indoor formaldehyde treatment equipment comprises the following steps:
opening a feeding port cover at the top of the equipment body, putting a reaction reagent bag for purifying formaldehyde into a purification reaction chamber, connecting a first water inlet pipe with a container or a faucet containing water, controlling a circulating water pump to start through a touch display screen, introducing water into the purification reaction chamber through the first water inlet pipe, a second water inlet pipe and a water outlet pipe by the circulating water pump, mixing and diluting substances in the reaction reagent bag with water to form a micro-complex suspension solution, and allowing the micro-complex suspension solution to enter the purification reaction chamber and an absorption reaction chamber through a filter screen and spray holes in a spray plate;
secondly, controlling a draught fan to start through a touch display screen, introducing outside air containing formaldehyde into an induced draft chamber through an air inlet, then sending the air into a gas-liquid exchange channel through an induced draft pipe, an air supply pipe and an air inlet, enabling the air containing the formaldehyde to be in contact with the micro-complexing suspension solution under the action of wind pressure to form water-gas foam, changing the water-gas foam into small bubbles through first air holes in a first air baffle plate, and enabling the small bubbles to be continuously absorbed by the solution in the process of rising in the solution in an absorption reaction chamber;
thirdly, when the small bubbles pass through the second air baffle plate, the small bubbles are further broken into smaller bubbles by second air cutting holes on the second air baffle plate, formaldehyde contained in the smaller bubbles is further absorbed by the solution in the rising process, and finally the smaller bubbles rise to the surface of the solution and then are broken;
and fourthly, the gas leaving the solution rises in the absorption reaction chamber, the formaldehyde contained in the gas is further absorbed by the raindrops of the micro-complex suspension solution sprayed down, then the gas enters the purification reaction chamber through the left air introducing pipe and the right air introducing pipe, a small amount of residual formaldehyde in the gas is absorbed again by the micro-complex suspension solution in the purification reaction chamber, and finally the formaldehyde is discharged out of the equipment body through the exhaust pipe.
As a preferable technical scheme, the reaction reagent bag comprises calcium chloride, copper chloride, anhydrous copper sulfate, sodium sulfate, potassium hydroxide, sodium hydroxide, ferrous sulfate and titanium chloride.
As a preferable technical scheme, the content of the reaction reagent bag is 5g/L of calcium chloride, 1g/L of copper chloride, 50g/L of anhydrous copper sulfate, 2g/L of sodium sulfate, 30g/L of potassium hydroxide, 10g/L of sodium hydroxide, 10g/L of ferrous sulfate and 0.05g/L of titanium chloride.
By adopting the technical scheme, the invention has the beneficial effects that:
when the portable indoor formaldehyde treatment equipment is used, air containing formaldehyde enters the gas-liquid exchange channel through the induced draft fan, the air containing the formaldehyde is contacted with the micro-complexing suspension solution under the action of wind pressure to form water-vapor foam, the water-vapor foam is cut into small bubbles through the first air cutting holes, the small bubbles rise in the solution, the formaldehyde contained in the small bubbles is continuously absorbed, and the first absorption and absorption of the formaldehyde are realized; then, further chopping the formaldehyde through a second air cutting hole to form smaller bubbles, and absorbing the formaldehyde contained in the bubbles again in the rising process of the bubbles to realize the second absorption of the formaldehyde; then the bubbles are broken after rising to the surface of the solution, the gas in the absorption reaction chamber reacts with the sprayed reaction solution raindrops in the rising process, and the formaldehyde contained in the gas is further absorbed, so that the third absorption and absorption of the formaldehyde are realized; the gas in the absorption reaction chamber enters the purification reaction chamber through the left air-entraining pipe and the right air-entraining pipe, and the residual formaldehyde in the gas is completely absorbed and purified by the reaction solution, so that the fourth absorption of the formaldehyde is realized.
In the invention, the formaldehyde treatment equipment realizes four times of adsorption reactions on formaldehyde, and the micro-complexing suspension solution can be recycled, so that the micro-complexing suspension solution is fully utilized, formaldehyde in the air is quickly and completely absorbed, and the formaldehyde purification effect of the formaldehyde treatment equipment is effectively improved; the user can also make absorption reaction room and purification reaction room keep certain slight pressure in through adjusting the adjustable discharge valve of installing on the blast pipe, accelerates the absorption of formaldehyde.
Because the control element unit comprises the flashing lamp, the buzzer, the touch display screen, the controller, the PH probe and the formaldehyde detector probe, in the invention, the formaldehyde detector probe can monitor the formaldehyde content of the gas at the exhaust pipe in real time, and when the formaldehyde concentration exceeds the standard0.01mg/m over 3 When the formaldehyde content in the room is low, the air output can be increased to improve the utilization rate of equipment and shorten the service time; and be provided with the PH detector that is connected with the PH probe in the controller, the PH probe is installed in the well lower part of purification reaction room, monitor the PH value of solution in the purification reaction room, when the PH value less than or equal to 9 of solution, the PH detector can signal start-up warning, when equipment reports to the police, the flashing lamp scintillation can be controlled to the controller, buzzer sends buzzing sound, need change the indoor reaction reagent package of purification reaction to remind the user, or wash equipment, formaldehyde treatment device has been guaranteed to the effective scavenging purification ability of formaldehyde.
Because the reaction reagent package is put into the purification reaction chamber and is mixed with water to form micro-complex suspension solution, according to the chemical reaction formula:
the formaldehyde is catalytically oxidized into formaldehyde salt and water in the micro-complexing suspension solution, so that the reagent can not cause indoor secondary pollution when absorbing the formaldehyde, thereby improving the use stability and safety of formaldehyde treatment equipment.
Because the equipment body includes the last casing and the lower casing that are in the same place through a plurality of fastening bolt is fixed, when needs cleaning equipment, unscrew fastening bolt and separate the last casing and lower casing, use the clear water to the equipment in absorption reaction chamber with purify the reaction chamber wash can, the whole volume of equipment body is all smaller moreover, very conveniently carries the removal, occupation space is also smaller when absorbing formaldehyde.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upper housing of the present invention;
fig. 3 is a schematic structural diagram of the lower housing of the present invention.
Wherein: 1. an apparatus body; 2. an air induction chamber; 3. an air inlet; 4. an induced draft fan; 5. a residual liquid pool; 6. a circulating water pump; 7. an induced draft pipe; 8. a drain valve; 9. an absorption reaction chamber; 10. an air inlet; 11. an air supply pipe; 12. a check valve; 13. a buoyancy switch; 14. a controller; 15. a float; 16. purifying the reaction chamber; 17. a left bleed duct; 18. a right bleed duct; 19. a water outlet pipe; 20. a spray plate; 21. spraying holes; 22. a filter screen; 23. an exhaust pipe; 24. a material inlet cover; 25. the exhaust valve can be adjusted; 26. a feeding port; 27. lifting a handle; 28. a touch display screen; 29. a power source; 30. a flashing light; 31. a buzzer; 32. a PH probe; 33. a formaldehyde detector probe; 34. a first choke plate; 35. a second choke plate; 36. a square partition plate; 37. a first tangential hole; 38. a second air hole is cut; 39. a three-way switching valve; 40. a first water inlet pipe; 41. a second water inlet pipe; 42. a third water inlet pipe; 43. a visual window; 44. a liquid level meter; 45. an upper housing; 46. a lower housing; 47. fastening a bolt; 48. a gasket; 49. a gas-blocking cup; 50 gas-liquid exchange channels; 51. a first pipe joint; 52. a second pipe joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in figures 1-3 together, the portable indoor formaldehyde treatment equipment comprises an equipment body 1, wherein an induced air zone, an absorption reaction zone, a purification reaction zone and a control element unit are sequentially arranged in the equipment body 1 from bottom to top;
the induced air district includes an induced air room 2, and the lateral wall and the bottom of induced air room 2 all are equipped with a plurality of air inlet 3, are fixed with draught fan 4, raffinate pond 5 and circulating water pump 6 in the induced air room 2, and the air-out end of draught fan 4 is linked together with raffinate pond 5 through induced duct 7, and the flowing back valve 8 that is used for discharging the interior raffinate of raffinate pond 5 is installed to the bottom of raffinate pond 5.
The absorption reaction zone comprises an absorption reaction chamber 9 arranged above an air draft chamber 2, an air inlet 10 is arranged in the middle of the bottom of the absorption reaction chamber 9, the air inlet 10 is communicated with a residual liquid pool 5 through an air supply pipe 11, a check valve 12 is arranged at one end of the air supply pipe 11 close to the air inlet 10, an air blocking mechanism is arranged in the absorption reaction chamber 9, a buoyancy switch 13 used for controlling a circulating water pump 6 is further fixed on one inner wall of the absorption reaction chamber 9, and a water inlet mechanism communicated with the absorption reaction chamber 9 and the circulating water pump 6 is further arranged on the outer wall of the absorption reaction chamber 9; the residual liquid pool 5 is used for containing a small amount of residual liquid which flows out of the absorption reaction chamber 9 in a counter-flow mode, adopts a closed structure, can be made of transparent hard plastic materials, and is convenient for observing the amount of the residual liquid in the residual liquid pool 5; and in the invention, the circulating water pump 6 adopts two groups of control, one group is to control the stop or start of the circulating water pump 6 through the controller 14, the other group is to control through the buoyancy switch 13, when the floater 15 on the buoyancy switch 13 rises to the set high point of the liquid solution in the absorption reaction chamber 9, the buoyancy switch 13 controls the start of the circulating water pump 6 to pump water, so as to pump the solution in the absorption reaction chamber 9 into the purification reaction chamber, otherwise, when the floater 15 descends to the set low point of the liquid solution in the absorption reaction chamber 9, the buoyancy switch 13 controls the stop of the circulating water pump 6.
The purification reaction area comprises a purification reaction chamber 16 arranged above the absorption reaction chamber 9, the upper ends of two side walls of the absorption reaction chamber 9 are provided with a left air guide pipe 17 and a right air guide pipe 18, the other ends of the left air guide pipe 17 and the right air guide pipe 18 both extend into the purification reaction chamber 16, the air outlet ends of the left air guide pipe 17 and the right air guide pipe 18 are both close to the bottom wall of the purification reaction chamber 16, the water outlet end of the circulating water pump 6 is communicated with the purification reaction chamber 16 through a water outlet pipe 19, the bottom of the purification reaction chamber 16 is also fixed with a spray plate 20, the spray plate 20 is provided with a plurality of spray holes 21 communicating the purification reaction chamber 16 and the absorption reaction chamber 9, the upper part of the spray plate 20 is also covered with a filter screen 22, the top of the purification reaction chamber 16 is also provided with two exhaust pipes 23 and a feeding port cover 24, one end of each exhaust pipe 23 extending out of the purification reaction chamber 16 is provided with an adjustable exhaust valve 25, in the invention, the staff can use adjustable discharge valve 25 to adjust the size of blast pipe 23 opening, makes to remain the pressure-fired all the time in the purification reaction chamber 16 cavity, and the roof of purification reaction chamber 16 adopts micro arc shape crown moreover, discharges the discarded object from dog-house 26 when being convenient for cleaning equipment.
In the invention, the filter screen 22 is used for preventing solid particles from blocking the spray holes 21 on the spray plate 20, and the spray plate 20 is uniformly densely provided with a plurality of spray holes 21, through the action of the micro-positive pressure state and the falling gravity in the purification reaction chamber 16, the solution in the purification reaction chamber 16 falls into the absorption reaction chamber 9 in a spray mode, and the solution in the absorption reaction chamber 9 also falls downwards, and the gas goes upwards, thereby fully absorbing the formaldehyde contained in the air in the cavity of the absorption reaction chamber 9; meanwhile, in the invention, the pipe orifices of the air outlet ends of the left air-entraining pipe 17 and the right air-entraining pipe 18 extend into the purification reaction chamber 16 below the reaction liquid level, so that the air in the absorption reaction chamber 9 is directly introduced into the reaction solution, and the condition that the air in the absorption reaction chamber 9 is directly discharged without being absorbed by formaldehyde is avoided.
The control element unit comprises a lifting handle 27 fixed at the top of the equipment body 1, a touch display screen 28, a controller 14, a power supply 29, a flashing lamp 30 and a buzzer 31 are fixed at the lifting handle 27, the circulating water pump 6, the induced draft fan 4, the flashing lamp 30, the buzzer 31 and the touch display screen 28 are all connected with the controller 14, a PH probe 32 connected with the controller 14 is fixed in the purification reaction chamber 16, a formaldehyde detector probe 33 connected with the controller 14 is arranged at each exhaust pipe 23, and the dotted lines shown in fig. 1 represent connection schematic lines of all operation elements of the control element unit.
In the invention, the controller 14 adopts a single chip microcomputer of STM32 series, a timing switch is integrated on the single chip microcomputer of STM32 series, a user can set the timing on/off of the equipment according to the requirement, the user can set continuous on-off in an environment with higher formaldehyde content, set timing alternate on-off and timing off in an environment with medium formaldehyde content but continuously released, and set a period of time for timing on-off in an environment with low formaldehyde content, so that the formaldehyde content in the environment can meet the requirement, the standby time of the equipment can be ensured, the reaction reagent in the equipment is fully utilized, the service life of the equipment is prolonged, and the efficiency of removing formaldehyde is improved.
In the invention, the touch display screen 28 is connected with the controller 14, and signals are sent to the controller 14 through the touch display screen 28 to control the start and stop of the operation elements such as the induced draft fan 4, the circulating water pump 6, the flashing lamp 30, the buzzer 31 and the like, so that the PH value and the residual value of formaldehyde in the purification reaction chamber 16 can be observed in real time; the controller 14 is operated by touching the display screen 28, and a worker can adjust the blocking speed of the induced draft fan 4 according to the content of formaldehyde in the indoor air, adjust the induced draft fan 4 to a low-grade wind speed when the content of formaldehyde in the indoor air is high, and conversely, adjust the induced draft fan 4 to a high-grade wind speed when the content of formaldehyde in the indoor air is low, so that the efficiency and the speed of formaldehyde absorption are improved under the condition that the formaldehyde in the air can be completely absorbed; furthermore, the power supply 29 can provide a reserve of power for the operating elements in the overall apparatus, either for direct operation with alternating current or for operation in closed corners with storage batteries.
The air blocking mechanism comprises a first air blocking plate 34 and a second air blocking plate 35 which are horizontally arranged up and down, a square partition plate 36 is jointly fixed between the first air blocking plate 34 and the second air blocking plate 35, a plurality of first air cutting holes 37 are uniformly arranged on the first air blocking plate 34, a plurality of second air cutting holes 38 are uniformly arranged on the second air blocking plate 35, a gas-liquid exchange channel 50 with a certain height is formed between the first air blocking plate 34 and the bottom wall of the absorption reaction chamber 9, in the invention, most of air containing formaldehyde is mixed with solution in the gas-liquid exchange channel 50 to form air bubbles, the air bubbles sequentially pass through the first air cutting holes 37 at the middle part of the first air blocking plate 34 and the second air cutting holes 38 at the middle part of the second air blocking plate 35, the other part of air is dissipated to the edge position of the first air blocking plate 34 through the air channel between the first air blocking plate 34 and the bottom wall of the absorption reaction chamber 9, sequentially passes through the first air cutting hole 37 at the edge position of the first air baffle plate 34 and the second air cutting hole 38 at the edge position of the second air baffle plate 35, so that the contact area of the air bubbles and the solution in the absorption reaction chamber 9 is larger, the air bubbles are cut to be smaller, and the formaldehyde contained in the air bubbles can be better absorbed.
The water inlet mechanism comprises a three-way switching valve 39 fixed on the outer side wall of the equipment body 1, one end of the three-way switching valve 39 is provided with a first water inlet pipe 40 for feeding water into the equipment body 1, the other two ends of the three-way switching valve 39 are respectively provided with a second water inlet pipe 41 and a third water inlet pipe 42, the free end of the third water inlet pipe 42 extends into the absorption reaction chamber 9, the free end of the third water inlet pipe 42 is arranged at a position close to the first air baffle plate 34, the end part of the free end of the third water inlet pipe 43 is provided with an air baffle cup 49, and the air baffle cup 49 can prevent air bubbles in the solution from entering the third water inlet pipe 42; the free end of the second water inlet pipe 41 is connected with the water inlet end of the circulating water pump 6, in the invention, the first water inlet pipe 40 is used for feeding water from other containers, the controller 14 can be used for controlling the circulating water pump 6 to be started to absorb water into the purification reaction chamber 16 for diluting and dissolving the reaction reagent packet, and the first water inlet pipe 40 is always in a closed state in the operation process of the equipment.
The side wall of the absorption reaction chamber 9 and the side wall of the purification reaction chamber 16 are respectively provided with a visual window 43, liquid level meters 44 arranged at one side corresponding to the visual windows 43 are fixed in the absorption reaction chamber 9 and the purification reaction chamber 16, when the formaldehyde purification device is used for formaldehyde purification, workers can observe the conditions in the purification reaction chamber 16 and the absorption reaction chamber 9 and the liquid levels in the purification reaction chamber 16 and the absorption reaction chamber 9 through the visual windows 43, so that the adjustment can be conveniently carried out according to the observed conditions.
The equipment body 1 comprises an upper shell 45 and a lower shell 46 which are arranged up and down, an induced draft chamber 2 and an absorption reaction chamber 9 are arranged in the lower shell 46, a purification reaction chamber 16 is arranged in the upper shell 45, the upper shell 45 and the lower shell 46 are fixed together through a plurality of fastening bolts 47, and a sealing gasket 48 for sealing is arranged between the upper shell 45 and the lower shell 46.
In the invention, the water outlet end of the water outlet pipe 19 is fixed through a first pipe joint 51 fixed on the side wall of the purification reaction chamber 16, the other end of the first pipe joint 51 is connected with a water pipe extending into the micro-complex suspension solution, similarly, the air outlet ends of the left air introducing pipe 17 and the right air introducing pipe 18 are fixed through a second pipe joint 52 fixed on the side wall of the purification reaction chamber 16, the other end of the second pipe joint 52 can be taken down from the first pipe joint 51 when the equipment needs to be cleaned, the left air introducing pipe 17 and the right air introducing pipe 18 are respectively taken down from the corresponding second pipe joint 52, then the upper shell 45 and the lower shell 46 are separated after the fastening bolt 47 is unscrewed, and the absorption reaction chamber 9 and the purification reaction chamber 16 are cleaned separately.
Example two
The formaldehyde purification method applying the portable indoor formaldehyde treatment equipment comprises the following steps:
firstly, opening a feeding port cover 24 at the top of an equipment body 1, putting a reaction reagent bag for purifying formaldehyde into a purification reaction chamber 16, connecting a first water inlet pipe 40 with a container or a faucet containing water, controlling a circulating water pump 6 to be started through a touch display screen 28, introducing water into the purification reaction chamber 16 through the circulating water pump 6 through the first water inlet pipe 40, a second water inlet pipe 41 and a water outlet pipe 19, mixing and diluting substances in the reaction reagent bag with the water to form micro-complex suspension solution, and allowing the micro-complex suspension solution to enter an absorption reaction chamber 9 through a spraying hole 21 on a spraying plate 20;
secondly, controlling the induced draft fan 4 to start through the touch display screen 28, introducing outside air containing formaldehyde into the induced draft chamber 2 through the air inlet 3, then sending the air into the absorption reaction chamber 9 through the induced draft pipe 7, the blast pipe 11 and the air inlet 10, mixing the air containing formaldehyde with the solution in the gas-liquid exchange channel 50 to form bubbles, changing the air-liquid exchange through the first air cut holes 37 on the first air baffle plate 34 into small bubbles, and continuously absorbing the contained formaldehyde by the solution in the process that the small bubbles rise in the solution in the absorption reaction chamber 9;
thirdly, when the small bubbles pass through the second air baffle plate 35, the small bubbles are further broken into smaller bubbles by the second air cutting holes 38 on the second air baffle plate 35, formaldehyde contained in the smaller bubbles is further absorbed by the solution in the rising process, and finally the smaller bubbles rise to the surface of the solution and then the bubbles are broken;
fourthly, the gas leaving the solution rises in the absorption reaction chamber 9, the formaldehyde contained in the gas is further absorbed by the sprayed micro-complex suspension solution raindrops, then the gas enters the purification reaction chamber 16 through the left air introducing pipe 17 and the right air introducing pipe 18, a small amount of residual formaldehyde in the gas is absorbed again by the micro-complex suspension solution in the purification reaction chamber 16, and finally the formaldehyde is discharged out of the equipment body 1 through the exhaust pipe 23.
The reaction reagent bag comprises calcium chloride, copper chloride, anhydrous copper sulfate, sodium sulfate, potassium hydroxide, sodium hydroxide, ferrous sulfate and titanium chloride.
The content of the reaction reagent bag is 5g/L of calcium chloride, 1g/L of copper chloride, 50g/L of anhydrous copper sulfate, 2g/L of sodium sulfate, 30g/L of potassium hydroxide, 10g/L of sodium hydroxide, 10g/L of ferrous sulfate and 0.05g/L of titanium chloride.
In conclusion, the portable indoor formaldehyde treatment equipment and the formaldehyde purification method using the same can quickly and completely absorb formaldehyde and instantly react to generate water, have good formaldehyde purification effect, are particularly suitable for treating formaldehyde in a closed and unsmooth ventilation environment, cannot cause secondary pollution after absorbing the formaldehyde, and have the characteristics of small size, convenience in carrying, quick absorption reaction, and stability and safety in use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The formaldehyde purification method of the portable indoor formaldehyde treatment equipment is characterized by comprising an equipment body, wherein an induced draft zone, an absorption reaction zone, a purification reaction zone and a control element unit are sequentially arranged in the equipment body from bottom to top;
the induced draft zone comprises an induced draft chamber, a plurality of air inlets are formed in the side wall and the bottom of the induced draft chamber, an induced draft fan, a residual liquid pool and a circulating water pump are fixed in the induced draft chamber, the air outlet end of the induced draft fan is communicated with the residual liquid pool through an induced draft pipe, and a liquid discharge valve used for discharging residual liquid in the residual liquid pool is installed at the bottom of the residual liquid pool;
the absorption reaction area comprises an absorption reaction chamber arranged above the induced draft chamber, an air inlet is arranged at the middle position of the bottom of the absorption reaction chamber and is communicated with the residual liquid tank through an air supply pipe, a check valve is arranged at one end, close to the air inlet, of the air supply pipe, an air blocking mechanism is arranged in the absorption reaction chamber, a buoyancy switch used for controlling the circulating water pump is further fixed on one inner wall of the absorption reaction chamber, and a water inlet mechanism communicated with the absorption reaction chamber and the circulating water pump is further arranged on the outer wall of the absorption reaction chamber,
the purification reaction area comprises a purification reaction chamber arranged above the absorption reaction chamber, a left air-entraining pipe and a right air-entraining pipe are arranged at the upper ends of two side walls of the absorption reaction chamber, the other ends of the left air-entraining pipe and the right air-entraining pipe extend into the purification reaction chamber, the water outlet end of the circulating water pump is communicated with the purification reaction chamber through a water outlet pipe, a spray plate is further fixed at the bottom of the purification reaction chamber, a plurality of spray holes communicated with the purification reaction chamber and the absorption reaction chamber are formed in the spray plate, a filter screen is covered above the spray plate, two exhaust pipes and a feeding port cover are further arranged at the top of the purification reaction chamber, and an adjustable exhaust valve is arranged at one end of each exhaust pipe extending out of the purification reaction chamber;
the control element unit comprises a lifting handle fixed at the top of the equipment body, a touch display screen, a controller, a power supply, a flashing lamp and a buzzer are fixed at the lifting handle, the circulating water pump, the draught fan, the flashing lamp, the buzzer and the touch display screen are all connected with the controller, a PH probe connected with the controller is fixed in the purification reaction chamber, and a formaldehyde detector probe connected with the controller is arranged at each exhaust pipe;
the formaldehyde purification method comprises the following steps: the method comprises the following steps that firstly, a feeding port cover at the top of an equipment body is opened, a reaction reagent bag for purifying formaldehyde is fed into a purification reaction chamber, a first water inlet pipe is connected with a container or a water faucet containing water, then a circulating water pump is controlled to be started through a touch display screen and is introduced into the purification reaction chamber through the first water inlet pipe, a second water inlet pipe and a water outlet pipe, substances in the reaction reagent bag are mixed with water to generate a micro-complex suspension solution, and the micro-complex suspension solution enters an absorption reaction chamber through a filter screen and spray holes in a spray plate;
secondly, controlling a draught fan to start through a touch display screen, introducing outside air containing formaldehyde into an air inducing chamber through an air inlet, sending the air into a gas-liquid exchange channel through an air inducing pipe, an air supply pipe and an air inlet, enabling the air containing the formaldehyde to be in contact with the micro-complexing suspension solution under the action of air pressure to form water-gas foam, changing the water-gas foam into small bubbles through a first air cut hole in a first air baffle plate, and enabling the contained formaldehyde to be continuously absorbed and purified by the solution in the process that the small bubbles rise in the solution in an absorption reaction chamber;
thirdly, when the small bubbles pass through the second air baffle plate, the small bubbles are further broken into smaller bubbles by second air cutting holes on the second air baffle plate, formaldehyde contained in the smaller bubbles is further absorbed and purified by the solution in the rising process, and finally the smaller bubbles rise to the surface of the solution and then expand and break;
fourthly, the gas leaving the solution rises in the absorption reaction chamber, formaldehyde contained in the gas is further absorbed by raindrops of the sprayed micro-complex suspension solution, then the gas enters the purification reaction chamber through the left air introducing pipe and the right air introducing pipe, and the residual trace formaldehyde in the gas is absorbed again by the micro-complex suspension solution in the purification reaction chamber and finally discharged out of the equipment body through the exhaust pipe;
the reaction reagent bag comprises calcium chloride, copper chloride, anhydrous copper sulfate, sodium sulfate, potassium hydroxide, sodium hydroxide, ferrous sulfate and titanium chloride.
2. The formaldehyde purifying method for a portable indoor formaldehyde treatment apparatus as claimed in claim 1, wherein the air blocking mechanism comprises a first air blocking plate and a second air blocking plate horizontally arranged from top to bottom, a square partition plate is fixed between the first air blocking plate and the second air blocking plate, the first air blocking plate is uniformly provided with a plurality of first air-cutting holes, the second air blocking plate is uniformly provided with a plurality of second air-cutting holes, and a gas-liquid exchange passage with a certain height is formed between the first air blocking plate and the bottom wall of the absorption reaction chamber.
3. The formaldehyde purification method of a portable indoor formaldehyde treatment device according to claim 1, wherein the water inlet mechanism comprises a three-way switching valve fixed on an outer side wall of the device body, a first water inlet pipe for feeding water into the device body is installed at one end of the three-way switching valve, a second water inlet pipe and a third water inlet pipe are respectively installed at the other two ends of the three-way switching valve, a free end of the third water inlet pipe extends into the absorption reaction chamber, an air blocking cup is installed at one end of the third water inlet pipe extending into the absorption reaction chamber, and a free end of the second water inlet pipe is connected with a water inlet end of the circulating water pump.
4. The formaldehyde purifying method as claimed in claim 1, wherein the absorption reaction chamber and the purification reaction chamber have a window respectively on a side wall thereof, and a liquid level gauge is fixed to a side of the absorption reaction chamber and a side of the purification reaction chamber corresponding to the window.
5. The formaldehyde purifying method of a portable indoor formaldehyde treatment apparatus as claimed in claim 1, wherein the apparatus body comprises an upper casing and a lower casing which are arranged up and down, the air introducing chamber and the absorption reaction chamber are arranged in the lower casing, the purification reaction chamber is arranged in the upper casing, the upper casing and the lower casing are fixed together by a plurality of fastening bolts, and a sealing gasket for sealing is arranged between the upper casing and the lower casing.
6. The formaldehyde purification method of a portable indoor formaldehyde treatment device according to claim 1, wherein the content of the reaction reagent pack is 5g/L of calcium chloride, 1g/L of copper chloride, 50g/L of anhydrous copper sulfate, 2g/L of sodium sulfate, 30g/L of potassium hydroxide, 10g/L of sodium hydroxide, 10g/L of ferrous sulfate, and 0.05g/L of titanium chloride.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08131761A (en) * | 1994-11-01 | 1996-05-28 | Toyo Dynam Kk | Filling type biological deodorization apparatus |
| CN206152632U (en) * | 2016-10-18 | 2017-05-10 | 滨州学院 | Device of formaldehyde among indoor air purification |
| CN109046272A (en) * | 2018-09-17 | 2018-12-21 | 佛山市禅城区诺高环保科技有限公司 | A kind of preparation method of high absorbent-type formaldehyde adsorbent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011224534A (en) * | 2009-09-16 | 2011-11-10 | Sumitomo Chemical Co Ltd | Photocatalyst composite and photocatalyst functional product using the same |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08131761A (en) * | 1994-11-01 | 1996-05-28 | Toyo Dynam Kk | Filling type biological deodorization apparatus |
| CN206152632U (en) * | 2016-10-18 | 2017-05-10 | 滨州学院 | Device of formaldehyde among indoor air purification |
| CN109046272A (en) * | 2018-09-17 | 2018-12-21 | 佛山市禅城区诺高环保科技有限公司 | A kind of preparation method of high absorbent-type formaldehyde adsorbent |
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