CN215388522U

CN215388522U - Recovery unit of dichloromethane waste gas steam desorption

Info

Publication number: CN215388522U
Application number: CN202121691975.5U
Authority: CN
Inventors: 房健
Original assignee: Jinan Shenyan Environmental Protection Technology Co ltd
Current assignee: Jinan Shenyan Environmental Protection Technology Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2022-01-04
Anticipated expiration: 2031-07-24

Abstract

The utility model discloses a recovery device for methylene dichloride waste gas steam desorption, which relates to the technical field of methylene dichloride and aims at solving the problem that the effect of the existing methylene dichloride waste gas steam desorption is reduced by multiple reactions, the following scheme is proposed, wherein the recovery device comprises an adsorption mechanism and a stirring mechanism, a condensation chamber is arranged at the bottom end of the adsorption mechanism, and a reaction kettle is arranged at the top end of the condensation chamber; adsorption mechanism includes closing plate, pull ring, links up piece and active carbon particle adsorption layer, the active carbon particle adsorption layer is located the inside that links up the piece, the externally mounted that the one end of linking up the piece extends to reation kettle has the closing plate, the closing plate is kept away from the one end that links up the piece and is installed the pull ring. The device has a novel structure, and can effectively blow off dichloromethane in the activated carbon particle adsorption layer, improve the multiple steam desorption effect of dichloromethane, effectively replace the activated carbon particle adsorption layer and improve the replacement efficiency.

Description

Recovery unit of dichloromethane waste gas steam desorption

Technical Field

The utility model relates to the technical field of dichloromethane, in particular to a recovery device for dichloromethane waste gas steam desorption.

Background

Dichloromethane is colorless, transparent, heavier than water, volatile liquid, has odor and sweet taste similar to ether, is not combusted, but forms an explosive mixture after being mixed with high-concentration oxygen, is mutually soluble with most common organic solvents, can be mixed and dissolved with other chlorine-containing solvents, ether and ethanol in any proportion, and the traditional steam desorption method is greatly influenced by water, the effect of multiple reactions is reduced, and the traditional adsorption method has incomplete reaction, so that the recovery device for dichloromethane waste gas steam desorption is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The recovery device for dichloromethane waste gas steam desorption provided by the utility model solves the problem that the effect of dichloromethane waste gas steam desorption is reduced after multiple reactions.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a recovery device for dichloromethane waste gas steam desorption comprises an adsorption mechanism and a stirring mechanism, wherein a condensation chamber is arranged at the bottom end of the adsorption mechanism, and a reaction kettle is arranged at the top end of the condensation chamber;

the adsorption mechanism comprises a sealing plate, a lifting ring, a connecting block and an activated carbon particle adsorption layer, the activated carbon particle adsorption layer is positioned inside the connecting block, one end of the connecting block extends to the outside of the reaction kettle and is provided with the sealing plate, one end of the sealing plate, which is far away from the connecting block, is provided with the lifting ring, and a heating net is arranged inside the wall thickness of the reaction kettle;

rabbling mechanism includes driving motor, dwang and stirring piece are located reation kettle's inside, driving motor is located reation kettle's outer wall, reation kettle is passed to the one end of dwang and driving motor's output shaft is connected, just the stirring piece is connected with the dwang.

Preferably, reation kettle's top is provided with the gas vent, the gas vent is the symmetry setting with reation kettle's axis, the bottom of gas vent extends to reation kettle's inside.

Preferably, be provided with the transport pipe between reation kettle and the condensation chamber, the one end of transport pipe extends to reation kettle's inside, the one end that reation kettle was kept away from to the transport pipe extends to the inside of condensation chamber, the circumference lateral wall of transport pipe is provided with the stop valve.

Preferably, reation kettle's circumference lateral wall is provided with steam nozzle, steam nozzle is the symmetry setting with reation kettle's axis, two steam nozzle one end that is close to each other extends to reation kettle's inside, the baffle is installed to reation kettle's inner wall.

Preferably, the conveying pipeline is installed to the lateral wall of condensation chamber, the conveying pipeline is the symmetry setting with the axis of condensation chamber, two the one end that the conveying pipeline is close to each other all extends to the inside of condensation chamber.

Preferably, the bottom of condensing chamber is provided with the discharge gate, the one end of discharge gate extends to the inside of condensing chamber, the one end that the condensing chamber was kept away from to the discharge gate is provided with sealed lid, sealed lid and discharge gate threaded connection.

The utility model has the beneficial effects that:

1. break up steam through the stirring piece and blow off the active carbon particle adsorption layer to can effectually blow off the dichloromethane in the active carbon particle adsorption layer, then blow off the dichloromethane that comes out and get into the condensation chamber and liquefy, the layering of stewing afterwards, use the back of finishing through heating network with the device inside with the active carbon particle adsorption layer drying process, thereby can effectual improvement dichloromethane steam desorption effect many times.

2. When the activated carbon particle adsorption layer needs to be replaced, the pull ring is pulled by hand, the pull ring drives the connecting block to move, and the connecting block drives the activated carbon particle adsorption layer to move, so that the activated carbon particle adsorption layer can be effectively replaced, and the replacement efficiency is improved.

To sum up, the device can effectually blow off the dichloromethane in the active carbon particle adsorbed layer, and has improved the many times steam desorption effect of dichloromethane, also can effectually change the active carbon particle adsorbed layer simultaneously, has improved change efficiency.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.

Reference numbers in the figures: 1. a reaction kettle; 2. an exhaust port; 3. an adsorption mechanism; 301. a sealing plate; 302. lifting the ring; 303. a joining block; 304. an activated carbon particle adsorption layer; 4. a baffle plate; 5. a delivery pipe; 6. heating the net; 7. a steam spray head; 8. a stirring mechanism; 801. a drive motor; 802. rotating the rod; 803. stirring blocks; 9. a discharge port; 10. a sealing cover; 11. a condensing chamber; 12. a transport pipe; 13. and a stop valve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the utility model is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the recovery device for dichloromethane exhaust gas steam desorption comprises an adsorption mechanism 3 and a stirring mechanism 8, wherein a condensation chamber 11 is arranged at the bottom end of the adsorption mechanism 3, and a reaction kettle 1 is arranged at the top end of the condensation chamber 11;

the adsorption mechanism 3 comprises a sealing plate 301, a lifting ring 302, a connecting block 303 and an activated carbon particle adsorption layer 304, the activated carbon particle adsorption layer 304 is located inside the connecting block 303, the sealing plate 301 is installed on one end of the connecting block 303, which extends to the outside of the reaction kettle 1, the lifting ring 302 is installed on one end, away from the connecting block 303, of the sealing plate 301, and the heating net 6 is installed inside the wall thickness of the reaction kettle 1;

stirring mechanism 8 includes driving motor 801, dwang 802 and stirring piece 803 are located reation kettle 1's inside, driving motor 801 is located reation kettle 1's outer wall, reation kettle 1 is passed to the one end of dwang 802 and driving motor 801's output shaft is connected, just stirring piece 803 is connected with dwang 802.

In this embodiment, reation kettle 1's top is provided with gas vent 2, gas vent 2 is the symmetry setting with reation kettle 1's axis, and the gas outgoing who finishes will handle through gas vent 2, the bottom of gas vent 2 extends to reation kettle 1's inside, be provided with transport pipe 12 between reation kettle 1 and the condensation chamber 11, be connected reation kettle 1 and condensation chamber 11 through transport pipe 12, the one end of transport pipe 12 extends to reation kettle 1's inside, the one end that reation kettle 1 was kept away from to transport pipe 12 extends to the inside of condensation chamber 11, the circumference lateral wall of transport pipe 12 is provided with stop valve 13, controls the material circulation between reation kettle 1 and the condensation chamber 11 through stop valve 13.

Further, reation kettle 1's circumference lateral wall is provided with steam shower nozzle 7, steam shower nozzle 7 is the symmetry setting with reation kettle 1's axis, two the one end that steam shower nozzle 7 is close to each other extends to reation kettle 1's inside, baffle 4 is installed to reation kettle 1's inner wall, through baffle 4 with gas dispersion, prevents that steam from admitting air too concentrated and the fast influence active carbon particle adsorbed layer 304 desorption effect of speed.

In addition, conveying pipeline 5 is installed to the lateral wall of condensation chamber 11, conveying pipeline 5 is the symmetry setting with the axis of condensation chamber 11, two conveying pipeline 5 one end that is close to each other all extends to the inside of condensation chamber 11, the bottom of condensation chamber 11 is provided with discharge gate 9, the one end of discharge gate 9 extends to the inside of condensation chamber 11, the one end that condensation chamber 11 was kept away from to discharge gate 9 is provided with sealed lid 10, sealed

lid

10 and 9 threaded connection of discharge gate are through setting up discharge gate 9 deeply, make things convenient for the later stage layering of stewing.

The working principle is as follows: when the device is used, firstly, an exhaust port 2 and a discharge port 9 are sealed, then gasified dichloromethane waste gas is guided into a condensation chamber 11 through a conveying pipe 5, the dichloromethane waste gas is condensed and liquefied, the condensed and liquefied dichloromethane is collected and discharged through the discharge port 9, then a stop valve 13 is opened, the dichloromethane which is not condensed and liquefied is conveyed into a reaction kettle 1 through a conveying pipe 12, meanwhile, the discharge port 9 is sealed again, the dichloromethane waste gas conveyed into the reaction kettle 1 is adsorbed through an activated carbon particle adsorption layer 304, the waste gas can reach the discharge standard after being adsorbed, the exhaust port 2 is discharged, after the discharge is finished, the exhaust port 2 is closed, a driving motor 801 is started simultaneously, the driving motor 801 drives a rotating rod 802 to rotate, the rotating rod 802 drives a stirring block 803 to rotate, and meanwhile, steam is conveyed into the reaction kettle 1 through a steam nozzle 7, and steam shower nozzle 7 fortune output steam belongs to low pressure steam, and low pressure steam will adsorb the dichloromethane in active carbon particle adsorbed layer 304 and blow off, blows off dichloromethane and vapor mixture that comes out and carries out the condensation liquefaction in getting into condensing chamber 11 once more, and the layering of standing afterwards in discharge gate 9 is retrieved, retrieves the back that finishes, starts heating network 6, can dry the active carbon completely through high temperature, prevents to influence the secondary and uses, has improved the reaction effect.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a recovery unit of dichloromethane waste gas steam desorption, is including being used for adsorption apparatus to construct (3) and rabbling mechanism (8), its characterized in that: a condensation chamber (11) is arranged at the bottom end of the adsorption mechanism (3), and a reaction kettle (1) is arranged at the top end of the condensation chamber (11);

the adsorption mechanism (3) comprises a sealing plate (301), a lifting ring (302), a connecting block (303) and an activated carbon particle adsorption layer (304), the activated carbon particle adsorption layer (304) is located inside the connecting block (303), the sealing plate (301) is installed at one end of the connecting block (303) extending to the outside of the reaction kettle (1), the lifting ring (302) is installed at one end, far away from the connecting block (303), of the sealing plate (301), and a heating net (6) is installed inside the wall thickness of the reaction kettle (1);

rabbling mechanism (8) are including driving motor (801), dwang (802) and stirring piece (803) are located the inside of reation kettle (1), driving motor (801) are located the outer wall of reation kettle (1), reation kettle (1) is passed to the one end of dwang (802) and the output shaft of driving motor (801) is connected, just stirring piece (803) are connected with dwang (802).

2. The recovery device for dichloromethane exhaust gas steam desorption according to claim 1, wherein the top end of the reaction kettle (1) is provided with the exhaust port (2), the exhaust port (2) is symmetrically arranged with respect to the central axis of the reaction kettle (1), and the bottom end of the exhaust port (2) extends to the inside of the reaction kettle (1).

3. The recovery device for methylene dichloride off-gas steam desorption according to claim 1, wherein a transport pipe (12) is arranged between the reaction kettle (1) and the condensation chamber (11), one end of the transport pipe (12) extends to the inside of the reaction kettle (1), one end of the transport pipe (12) far away from the reaction kettle (1) extends to the inside of the condensation chamber (11), and a stop valve (13) is arranged on the circumferential side wall of the transport pipe (12).

4. The recovery device for dichloromethane exhaust gas steam desorption according to claim 1, wherein steam spray heads (7) are arranged on the circumferential side wall of the reaction kettle (1), the steam spray heads (7) are symmetrically arranged around the central axis of the reaction kettle (1), one ends of the two steam spray heads (7) close to each other extend into the reaction kettle (1), and the baffle (4) is installed on the inner wall of the reaction kettle (1).

5. The recovery device for methylene dichloride off-gas steam desorption according to claim 1, wherein the side wall of the condensation chamber (11) is installed with material conveying pipes (5), the material conveying pipes (5) are symmetrically arranged around the central axis of the condensation chamber (11), and the ends of the two material conveying pipes (5) close to each other extend to the inside of the condensation chamber (11).

6. The recovery device for dichloromethane exhaust gas steam desorption according to claim 1, wherein a discharge port (9) is arranged at the bottom end of the condensation chamber (11), one end of the discharge port (9) extends into the condensation chamber (11), a sealing cover (10) is arranged at one end of the discharge port (9) far away from the condensation chamber (11), and the sealing cover (10) is in threaded connection with the discharge port (9).