CN113426250A

CN113426250A - Remove formaldehyde system

Info

Publication number: CN113426250A
Application number: CN202110642359.9A
Authority: CN
Inventors: 李政皓
Original assignee: Xiamen Zeyue Technology Co ltd
Current assignee: Zhejiang Yuezheng Environmental Protection Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-09-24
Anticipated expiration: 2041-06-09
Also published as: CN113426250B

Abstract

The invention discloses a formaldehyde removal system which comprises a shell, wherein a dissolving cavity is arranged in the shell, and a first pipeline penetrating through the left side surface of the shell is fixedly arranged on the left wall of the dissolving cavity; the formaldehyde removing device is provided with a dissolving device which can dissolve formaldehyde and impurities in air into water, and an evaporating device which can evaporate and purify the dissolved aqueous solution, firstly, the impurities are filtered out to obtain a mixture of water vapor and gaseous formaldehyde, then, moisture in the mixed gas is absorbed by a drying cavity to obtain high-quality gaseous formaldehyde, and finally, the gaseous formaldehyde is converted into liquid formaldehyde convenient to carry under the action of a gas liquefying device.

Description

Remove formaldehyde system

Technical Field

The invention relates to the technical field of formaldehyde removal, in particular to a formaldehyde removal system.

Background

Formaldehyde is an organic chemical substance, also called formil, is colorless and irritant gas, has an irritant effect on human eyes, nose and the like, and has a melting point of-92 ℃ and a boiling point of-19.5 ℃. The formaldehyde is easy to dissolve in water and ethanol, and is placed in a carcinogen list published by the international cancer research institution of the world health organization, the existing formaldehyde removal technology cannot be used for removing formaldehyde, the sustained release time of the formaldehyde is 3-15 years, and the existing technology cannot remove the formaldehyde for a long time.

Disclosure of Invention

The invention aims to provide a formaldehyde removal system which is used for overcoming the defects in the prior art.

The formaldehyde removing system comprises a shell, wherein a dissolving cavity is arranged in the shell, a first pipeline penetrating through the left side surface of the shell is fixedly arranged on the left wall of the dissolving cavity, first mounting blocks with symmetrical positions are fixedly arranged on the upper wall and the lower wall of the first pipeline, a first motor is fixedly arranged between the two first mounting blocks, the left end surface of the first motor is rotatably connected with a first rotating shaft, a fan is fixedly arranged at the left end of the first rotating shaft, a first plug is arranged at the right end of the first pipeline, a second pipeline penetrating through the right side surface of the shell is fixedly arranged on the right wall of the dissolving cavity, a formaldehyde sensor is fixedly arranged on the bottom wall of the second pipeline, a second plug is arranged at the left end of the second pipeline, a second mounting block and a third mounting block are fixedly arranged on the bottom wall of the dissolving cavity, a first dissolving bottle and a second dissolving bottle are respectively arranged on the upper end surfaces of the second mounting block and the third mounting block, first dissolve the bottle with the second dissolves the bottle and has placed aqueous solution, it is equipped with the dissolving device that can dissolve formaldehyde in the air to dissolve the chamber diapire, be equipped with the evaporation chamber under the dissolution chamber, the right-hand dry chamber that is equipped with in evaporation chamber, be equipped with in the dry chamber and enable after the evaporation the dry drying device of aqueous solution, evaporation chamber left is equipped with and removes the chamber, the evaporation chamber with it is equipped with to evaporate and to contain formaldehyde the evaporation cleaning device of aqueous solution and clearance remaining impurity to remove the chamber combination, dry chamber rear is equipped with and adds the pressure chamber that heats, it has placed gas liquefaction equipment to add pressure chamber bottom surface that heats, be equipped with in the gas liquefaction equipment and extend to the second connecting pipe in the dry chamber.

Optionally, the dissolving device comprises a third plug fixedly arranged at the opening of the upper end of the first dissolving bottle and tightly connected with the opening of the upper end of the first dissolving bottle, a first channel and a second channel which are communicated up and down are arranged in the third plug, a first conduit is fixedly connected in the first plug, the first conduit is fixedly connected with the first channel, the lower end of the first channel is fixedly connected with a third conduit which extends into the aqueous solution, a fourth plug is tightly connected with an opening at the upper end of the second dissolving bottle, a third channel and a fourth channel which are communicated up and down are arranged in the fourth plug, the second plug is fixedly connected with a second conduit which is fixedly connected with the fourth channel, the lower end of the third channel is fixedly connected with a fourth conduit extending into the aqueous solution, a fifth conduit is fixedly connected between the second channel and the third channel, and the first dissolving bottle and the second dissolving bottle are provided with a replacement device for replacing the aqueous solution.

Optionally, the evaporation cleaning device including set firmly in remove the fourth motor of chamber right wall, fourth motor left end face rotates and is connected with the fourth axis of rotation, fourth initiative axle threaded connection has the third slider, the terminal surface has set firmly the connecting rod under the third slider, set firmly under the fourth axis of rotation with remove chamber left and right wall fixed connection's guide block, be equipped with first spout in the guide block, first spout with connecting rod sliding connection, remove the chamber diapire be equipped with the second spout of evaporation chamber intercommunication, second spout sliding connection has the second slider, second slider up end with terminal surface fixed connection under the connecting rod, the case that adds the temperature has been placed to second slider up end, be equipped with the connection chamber in the case that adds the temperature, connect the chamber wall end and set firmly liquid sensor.

Optionally, the replacement device comprises a smooth cavity arranged in the first dissolving bottle and the second dissolving bottle, a second motor is fixedly arranged on the inner wall of the right side of the smooth cavity, the left end face of the second motor is rotatably connected with a second rotating shaft, a grooved pulley is fixedly arranged on the left end face of the second rotating shaft, a rope is fixedly arranged on the lower end face of the grooved pulley, a sixth conduit extending into the connecting cavity is arranged in the bottom wall of the smooth cavity in a communicating manner, a spherical plug is mounted at the upper end of the sixth conduit and fixedly connected with the rope, a first pipeline port penetrating through the rear wall of the first dissolving bottle is fixedly arranged behind the first dissolving bottle, a Y-shaped shunt pipe is arranged in the dissolving cavity at the rear side of the first dissolving liquid, the Y-shaped shunt pipe is communicated with the first pipeline port through a third pipeline, and a second pipeline port penetrating through the rear wall of the second dissolving bottle is fixedly arranged behind the second dissolving bottle, the Y-shaped shunt pipe is communicated with the second pipeline port through a fourth pipeline, a fifth pipeline is fixedly arranged on the rear end face of the Y-shaped shunt pipe, and the fifth pipeline penetrates through the rear wall of the shell and extends outwards.

Optionally, drying device include with drying chamber sliding connection's first slider, the drier has been placed in the first slider, first slider left side wall has set firmly to run through first slider left surface and extend to connect the first connecting pipe of intracavity, first slider right-hand member face with drying chamber passes through spring fixed connection, drying chamber back wall has set firmly the third motor, the terminal surface rotates before the third motor and is connected with the third axis of rotation, the terminal surface sets firmly the cam before the third axis of rotation.

The invention has the beneficial effects that: the formaldehyde removing device is provided with a dissolving device which can dissolve formaldehyde and impurities in air into water, and an evaporating device which can evaporate and purify the dissolved aqueous solution, firstly, the impurities are filtered out to obtain a mixture of water vapor and gaseous formaldehyde, then, moisture in the mixed gas is absorbed by a drying cavity to obtain high-quality gaseous formaldehyde, and finally, the gaseous formaldehyde is converted into liquid formaldehyde convenient to carry under the action of a gas liquefying device.

Drawings

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

FIG. 1 is a schematic view of the housing of a formaldehyde removal system of the present invention;

FIG. 2 is a schematic diagram of the formaldehyde removal system of FIG. 1;

FIG. 3 is a schematic view of the structure at A-A in FIG. 2;

FIG. 4 is a schematic view of the dissolving apparatus of FIG. 2;

FIG. 5 is a schematic view of the drying apparatus of FIG. 2;

FIG. 6 is a schematic view of the structure at B-B in FIG. 3;

fig. 7 is a schematic view of the structure at C-C in fig. 2.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 7, a formaldehyde removing system according to an embodiment of the present invention includes a housing 10, a dissolving chamber 11 is disposed in the housing 10, a first pipeline 41 penetrating through a left side surface of the housing 10 is fixedly disposed on a left wall of the dissolving chamber 11, first mounting blocks 42 with symmetrical positions are fixedly disposed on upper and lower walls of the first pipeline 41, a first motor 14 is fixedly disposed between the two first mounting blocks 42, a first rotating shaft 13 is rotatably connected to a left end surface of the first motor 14, a fan 12 is fixedly disposed at a left end of the first rotating shaft 13, a first plug 40 is mounted at a right end of the first pipeline 42, a second pipeline 35 penetrating through a right side surface of the housing 10 is fixedly disposed on a right wall of the dissolving chamber 11, a formaldehyde sensor 34 is fixedly disposed on a bottom wall of the second pipeline 35, a second plug 36 is mounted at a left end of the second pipeline 35, a second mounting block 73 and a third mounting block 76 are fixedly disposed on a bottom wall of the dissolving chamber 11, the first dissolving bottle 43 and the second dissolving bottle 77 are respectively arranged on the upper end surfaces of the second mounting block 73 and the third mounting block, the first dissolving bottle 43 and the second dissolving bottle 77 are filled with the water solution 72, the bottom wall of the dissolving cavity 11 is provided with a dissolving device 101 capable of dissolving formaldehyde in air, an evaporation cavity 30 is arranged under the dissolution cavity 11, a drying cavity 29 is arranged on the right of the evaporation cavity 30, a drying device 104 capable of drying the evaporated aqueous solution 72 is arranged in the drying cavity 29, a movable cavity 15 is arranged at the left of the evaporation cavity 30, an evaporation cleaning device 103 which can evaporate the aqueous solution 72 containing formaldehyde and clean the remaining impurities is arranged on the combination of the evaporation cavity 30 and the movable cavity 15, a heating and pressure-reducing temperature cavity 53 is arranged at the rear part of the drying cavity 29, a gas liquefying device 54 is arranged on the bottom surface of the heating and pressure-reducing temperature cavity 53, a second connection pipe 51 extending into the drying chamber 29 is provided in the gas liquefying apparatus 54.

Preferably, the dissolving device 101 comprises a third plug 69 fixedly arranged at the upper opening of the first dissolving bottle 43, a first channel 70 and a second channel 85 which are vertically through are arranged in the third plug 69, a first conduit 68 is fixedly connected in the first plug 40, the first conduit 68 is fixedly connected with the first channel 70, the lower end of the first channel 70 is fixedly connected with a third conduit 71 which extends into the aqueous solution 72, a fourth plug 80 is fixedly connected at the upper opening of the second dissolving bottle 77, a third channel 78 and a fourth channel 79 which are vertically through are arranged in the fourth plug 80, a second conduit 81 is fixedly connected with the second plug 36, the second conduit 81 is fixedly connected with the fourth channel 79, a fourth conduit 90 which extends into the aqueous solution 72 is fixedly connected at the lower end of the third channel 79, a fifth conduit 38 is fixedly connected between the second channel 85 and the third channel 78, the first dissolving bottle 43 and the second dissolving bottle 77 are provided with a replacing device 102 for replacing the aqueous solution 72, air with formaldehyde enters the first conduit 68 and enters the aqueous solution 72 through the first channel 70 and the third conduit 71, the air with formaldehyde is subjected to first dissolving in the aqueous solution 72, the dissolved air enters the aqueous solution 72 through the second channel 85 and the fifth conduit 38, the third channel 78 and the fourth conduit 90, the air obtained by first dissolving is subjected to second dissolving in the aqueous solution 72, and finally the air flows out of the fourth channel 79 and the second conduit 81.

Preferably, the evaporation cleaning device 103 includes a fourth motor 24 fixedly disposed on the right wall of the movable chamber 15, the left end face of the fourth motor 24 is rotatably connected with a fourth rotating shaft 17, the fourth driving shaft 17 is in threaded connection with a third sliding block 23, the lower end face of the third sliding block 23 is fixedly provided with a connecting rod 22, a guide block 19 fixedly connected with the left and right walls of the movable chamber 15 is fixedly disposed under the fourth rotating shaft 17, a first sliding chute 20 is disposed in the guide block 19, the first sliding chute 20 is slidably connected with the connecting rod 22, the bottom wall of the movable chamber 15 is provided with a second sliding chute 21 communicated with the evaporation chamber 30, the second sliding chute 21 is slidably connected with a second sliding block 26, the upper end face of the second sliding block 26 is fixedly connected with the lower end face of the connecting rod 22, the upper end face of the second sliding block 26 is disposed with a warming box 27, the inside of the warming box 27 is provided with a connecting chamber 92, the liquid sensor 25 is fixedly arranged at the bottom of the wall of the connecting cavity 92, the fourth motor 24 is started to drive the fourth rotating shaft 17 to rotate, the fourth rotating shaft 17 rotates to drive the third sliding block 23 to move leftwards, the third sliding block 23 moves leftwards to drive the connecting rod 22 to slide leftwards, the connecting rod 22 is limited by the first sliding groove 20 in the guide block 19, the connecting rod 22 slides leftwards to drive the second sliding block 26 to slide leftwards, the second sliding block 26 is limited by the second sliding groove 21, and the warming box 27 is not supported by the second sliding block 26 and slides out of the evaporation cavity 30.

Preferably, the replacing device 102 includes a smooth cavity 91 arranged in the first dissolving bottle 43 and the second dissolving bottle 77, the right inner wall of the smooth cavity 91 is fixedly provided with a second motor 82, the left end surface of the second motor 82 is rotatably connected with a second rotating shaft 83, the left end surface of the second rotating shaft 83 is fixedly provided with a grooved pulley 84, the lower end surface of the grooved pulley 84 is fixedly provided with a rope 7, the bottom wall of the smooth cavity 91 is internally communicated with a sixth conduit 33 extending into the connecting cavity 92, 5 the upper end of the sixth conduit 33 is provided with a spherical plug 74, the spherical plug 74 is fixedly connected with the rope 75, the rear surface of the first dissolving bottle 43 is fixedly provided with a first pipeline port 60 penetrating through the rear wall of the first dissolving bottle 43, the dissolving cavity 11 at the rear side of the first dissolving liquid 43 is internally provided with a Y-shaped shunt pipe 58, the Y-shaped shunt pipe 58 is communicated with the first pipeline port 60 through a third pipeline 59, a second pipeline port 55 penetrating through the rear wall of the second dissolving bottle 77 is fixedly arranged at the rear surface of the second dissolving bottle 77, the Y-shaped shunt pipe 58 is communicated with the second pipeline port 55 through a fourth pipeline 56, a fifth pipeline 57 is fixedly arranged on the rear end face of the Y-shaped shunt pipe, the fifth pipe 57 extends outwards through the rear wall of the housing 10, the second motor 82 is started to drive the second rotating shaft 83 to rotate, the second rotating shaft 83 drives the grooved pulley 84 to rotate, the grooved pulley 84 rotates to drive the rope 75 to move upwards, the rope 75 moves upwards to drive the spherical plug 74 to move upwards, the aqueous solution 72 flows out of the sixth conduit 33, when the aqueous solution 72 is emptied, the second motor 82 rotates in reverse to drive the ball plug 74 back into position, and new aqueous solution 72 flows from the fifth pipe 57, and the split flow passing through the Y-shaped split pipe flows into the first dissolving bottle 43 and the second dissolving bottle 77 through the third pipe 59 and the fourth pipe 56, respectively.

Preferably, said drying means 104 comprise a first slider 87 slidingly associated with said drying chamber 29, the desiccant 86 is placed in the first slider 87, the first connecting pipe 32 which penetrates through the left side surface of the first slider 87 and extends into the connecting cavity 92 is fixedly arranged on the left wall of the first slider 87, the right end face of the first sliding block 87 is fixedly connected with the drying cavity 29 through a spring 45, the rear wall of the drying cavity 29 is fixedly provided with a third motor 48, the front end face of the third motor 48 is rotatably connected with a third rotating shaft 47, the front end face of the third rotating shaft 47 is fixedly provided with a cam 46, the third motor is started to drive the third rotating shaft 47 to rotate, the third rotating shaft 47 rotates to drive the cam 46 to rotate, the cam 46 rotates to enable the first sliding block 87 not to be pressed by the cam 46, the spring 45 contracts to pull the first sliding block 87 to move rightwards, and the first sliding block 87 moves rightwards to drive the first connecting pipe 32 to move rightwards out of the connecting cavity 92.

In the initial state, the spring 45 is in the stretched state, the cam 46 presses against the first slider 87, the first connecting tube 32 extends into the connecting cavity 92, the spherical plug 74 is firmly connected with the sixth conduit 33, and the fan 12 is in the pause state.

When the dissolving operation is needed, the first motor 14 is started to drive the fan 12 to rotate, the fan 12 rotates to drive air containing formaldehyde to enter the first pipeline 41, the air enters the aqueous solution 72 through the first duct 68 and the first channel 70 and the third duct 71, the air with the formaldehyde is subjected to first dissolving in the aqueous solution 72, the dissolved air enters the aqueous solution 72 through the second channel 85 and the fifth duct 38, the third channel 78 and the fourth duct 90, the air obtained through the first dissolving is subjected to second dissolving in the aqueous solution 72, and finally the air flows out from the fourth channel 79 and the second duct 81.

When the aqueous solution 72 needs to be replaced, air which finishes the dissolving process enters the second pipeline 35 to trigger the formaldehyde sensor 34, the second motor 82 is started to drive the second rotating shaft 83 to rotate, the second rotating shaft 83 rotates to drive the grooved pulley 84 to rotate, the grooved pulley 84 rotates to drive the rope 75 to move upwards, the rope 75 moves upwards to drive the spherical plug 74 to move upwards, the aqueous solution 72 flows out of the sixth conduit 33, after the aqueous solution 72 is emptied, the second motor 82 rotates reversely to drive the spherical plug 74 to return to the original position, new aqueous solution 72 flows in from the fifth pipeline 57, and the split flow passing through the Y-shaped split pipe respectively flows into the first dissolving bottle 43 and the second dissolving bottle 77 through the third pipeline 59 and the fourth pipeline 56.

When the formaldehyde needs to be purified, the heating box 27 heats the aqueous solution 72, the heated mixed gas of water vapor and formaldehyde enters the drying cavity 29 through the first connecting pipe 32, the mixed gas is dehumidified by the desiccant 86, the dried formaldehyde enters the gas liquefaction device 54 through the second connecting pipe 51, the high-quality liquid formaldehyde in the gas liquefaction device 54 is obtained, and the gas liquefaction device 54 generally comprises a compressor, a purifier, a storage tank, an infusion system, an automatic control system, a gas storage system and the like.

When impurities in the heating box 27 need to be treated, the third motor is started to drive the third rotating shaft 47 to rotate, the third rotating shaft 47 drives the cam 46 to rotate, the cam 46 rotates to enable the first sliding block 87 not to be pressed by the cam 46, the spring 45 contracts to pull the first sliding block 87 to move rightwards, the first sliding block 87 moves rightwards to drive the first connecting pipe 32 to move rightwards out of the connecting cavity 92, the fourth motor 24 is started to drive the fourth rotating shaft 17 to rotate, the fourth rotating shaft 17 rotates to drive the third sliding block 23 to move leftwards, the third sliding block 23 moves leftwards to drive the connecting rod 22 to slide leftwards, the connecting rod 22 slides leftwards to drive the second sliding block 26 to slide leftwards, and the heating box 27 is not supported by the second sliding block 26 to slide out of the evaporation cavity 30.

When the heating box 27 needs to be reset, the heating box 27 is manually placed back into the evaporation cavity 30, the fourth motor 23 is started to drive the second slide block 26 to move leftwards to support the heating box 27, the third motor 48 is started to drive the cam 46 to press the first slide block 87 leftwards, the spring 45 is in a stretching state, and the first slide block 87 moves leftwards to drive the first connecting pipe 32 to extend into the connecting cavity 92.

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

1. The utility model provides a remove formaldehyde system, includes the shell, its characterized in that: a dissolving cavity is arranged in the shell, a first pipeline penetrating through the left side surface of the shell is fixedly arranged on the left wall of the dissolving cavity, first mounting blocks with symmetrical positions are fixedly arranged on the upper wall and the lower wall of the first pipeline, a first motor is fixedly arranged between the two first mounting blocks, a first rotating shaft is rotatably connected with the left end surface of the first motor, a fan is fixedly arranged at the left end of the first rotating shaft, a first plug is arranged at the right end of the first pipeline, a second pipeline penetrating through the right side surface of the shell is fixedly arranged on the right wall of the dissolving cavity, a formaldehyde sensor is fixedly arranged on the bottom wall of the second pipeline, a second plug is arranged at the left end of the second pipeline, a second mounting block and a third mounting block are fixedly arranged on the bottom wall of the dissolving cavity, a first dissolving bottle and a second dissolving bottle are respectively arranged on the upper end surfaces of the second mounting block and the third mounting block, and an aqueous solution is arranged in the first dissolving bottle and the second dissolving bottle, dissolve the chamber diapire and be equipped with the dissolving device that can dissolve formaldehyde in the air, be equipped with the evaporation chamber under dissolving the chamber, the right-hand dry chamber that is equipped with in evaporation chamber, be equipped with in the dry chamber and enable after the evaporation the dry drying device of aqueous solution, evaporation chamber left is equipped with removes the chamber, the evaporation chamber with it is equipped with to evaporate the evaporation that the chamber combination contains formaldehyde the evaporation cleaning device of aqueous solution and clearance remaining impurity, the dry chamber rear is equipped with the pressure cooling chamber, the pressure cooling chamber bottom surface has placed gas liquefaction equipment, be equipped with in the gas liquefaction equipment and extend to the second connecting pipe in the dry chamber.

2. The formaldehyde removal system as claimed in claim 1, wherein: the dissolving device comprises a third plug fixedly arranged at the opening at the upper end of the first dissolving bottle and tightly connected with the opening, a first channel and a second channel which are communicated up and down are arranged in the third plug, a first conduit is fixedly connected in the first plug, the first conduit is fixedly connected with the first channel, the lower end of the first channel is fixedly connected with a third conduit which extends into the aqueous solution, a fourth plug is tightly connected with an opening at the upper end of the second dissolving bottle, a third channel and a fourth channel which are communicated up and down are arranged in the fourth plug, the second plug is fixedly connected with a second conduit which is fixedly connected with the fourth channel, the lower end of the third channel is fixedly connected with a fourth conduit extending into the aqueous solution, a fifth conduit is fixedly connected between the second channel and the third channel, and the first dissolving bottle and the second dissolving bottle are provided with a replacement device for replacing the aqueous solution.

3. The formaldehyde removal system as claimed in claim 1, wherein: the evaporation cleaning device comprises a fourth motor fixedly arranged on the right wall of the movable cavity, the left end face of the fourth motor is rotatably connected with a fourth rotating shaft, the fourth driving shaft is in threaded connection with a third sliding block, the lower end face of the third sliding block is fixedly provided with a connecting rod, a guide block fixedly connected with the left wall and the right wall of the movable cavity is fixedly arranged under the fourth rotating shaft, a first sliding groove is formed in the guide block and is slidably connected with the connecting rod, the bottom wall of the movable cavity is provided with a second sliding groove communicated with the evaporation cavity, the second sliding groove is slidably connected with a second sliding block, the upper end face of the second sliding block is fixedly connected with the lower end face of the connecting rod, an warming box is placed on the upper end face of the second sliding block, a connecting cavity is arranged in the warming box, and a liquid sensor is fixedly arranged at the bottom of the wall of the connecting cavity.

4. The formaldehyde removal system as claimed in claim 2, wherein: the replacement device comprises smooth cavities arranged in the first dissolving bottle and the second dissolving bottle, a second motor is fixedly arranged on the inner wall of the right side of the smooth cavity, the left end face of the second motor is rotatably connected with a second rotating shaft, a grooved pulley is fixedly arranged on the left end face of the second rotating shaft, a rope is fixedly arranged on the lower end face of the grooved pulley, a sixth guide pipe extending into the connecting cavity is communicated with the bottom wall of the smooth cavity, a spherical plug is arranged at the upper end of the sixth guide pipe and fixedly connected with the rope, a first pipeline port penetrating through the rear wall of the first dissolving bottle is fixedly arranged behind the first dissolving bottle, a Y-shaped shunt pipe is arranged in the dissolving cavity at the rear side of the first dissolving liquid, the Y-shaped shunt pipe is communicated with the first pipeline port through a third pipeline, and a second pipeline port penetrating through the rear wall of the second dissolving bottle is fixedly arranged behind the second dissolving bottle, the Y-shaped shunt pipe is communicated with the second pipeline port through a fourth pipeline, a fifth pipeline is fixedly arranged on the rear end face of the Y-shaped shunt pipe, and the fifth pipeline penetrates through the rear wall of the shell and extends outwards.

5. The formaldehyde removal system of claim 4, wherein: drying device include with drying chamber sliding connection's first slider, the drier has been placed in the first slider, first slider left side wall has set firmly to run through first slider left surface extends to connect the first connecting tube of intracavity, first slider right-hand member face with drying chamber passes through spring fixed connection, drying chamber back wall has set firmly the third motor, the terminal surface rotates before the third motor and is connected with the third axis of rotation, the terminal surface has set firmly the cam before the third axis of rotation.