CN215311429U

CN215311429U - Polyurethane prepolymer exhaust treatment device

Info

Publication number: CN215311429U
Application number: CN202121485302.4U
Authority: CN
Inventors: 周强; 刘海波; 刘文胜; 覃佳; 汪恭朝
Original assignee: Guangzhou Yinxu Technology Co ltd
Current assignee: Guangzhou Yinxu Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-28
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a waste gas treatment device of a polyurethane prepolymer, which relates to the technical field of waste gas treatment devices and aims to solve the problem that in the production of the existing polyurethane prepolymer, waste gas is usually physically adsorbed and most of the waste gas is possibly discharged into the air; the fixed sleeve outside the carrier plate is arranged on the side surface of the main body; the bottom of the bottom groove is provided with a motor, the bottom groove is arranged at the bottom of the main body, and the discharge groove at the top of the bottom groove is arranged at the bottom of the outer side of the main body; violently manage, violently manage and install the side at the kerve, and violently manage the side of installing at standpipe bottom suction pump. The limestone slurry or magnesium hydroxide slurry discharged from the drainage member reacts with other alkaline absorbent such as sulfur dioxide in the polyurethane waste gas to form a substance which is difficult to dissolve in water.

Description

Polyurethane prepolymer exhaust treatment device

Technical Field

The utility model belongs to the technical field of waste gas treatment devices, and particularly relates to a waste gas treatment device for a polyurethane prepolymer.

Background

The polyurethane is a high molecular polymer formed by reacting polyisocyanate and polyether or polyester polyol under certain conditions, the prepolymer of the polyurethane, simply a reactive semi-finished product obtained by controlling a certain proportion of the polyisocyanate and the polyol to react, and the reaction ratio is different due to various types of the polyisocyanate and the polyol.

For example, application No.: CN201420007866.0 relates to a waste gas treatment device in the production of polyurethane combined materials. The structure is that an absorption tower (2) is arranged above a reaction kettle (1), the reaction kettle (1) is connected with the absorption tower (2) through a pipeline, and a high-point emptying device (3) is arranged at the top of the absorption tower (2), so that waste gas can be discharged after being treated, and the pollution to the environment is reduced. The reaction kettle (1) is also connected with a nitrogen pipeline (4), and the nitrogen plays a role in replacing waste gas in the kettle.

Based on the findings in the prior art, in the production of the existing polyurethane prepolymer, the waste gas is usually physically adsorbed, most of the waste gas is possibly discharged into the air, and the waste gas has high flowing speed and cannot fully react, so that the treatment efficiency of the polyurethane waste gas is low.

In view of the above, research and improvement are made on the existing structure and defects, and a polyurethane prepolymer exhaust gas treatment device is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a polyurethane prepolymer waste gas treatment device, which is used for solving the problems that in the existing production of polyurethane prepolymers, waste gas is usually physically adsorbed, most of the waste gas is possibly discharged into the air, the flowing speed of the waste gas is high, and the reaction cannot be sufficiently carried out, so that the treatment efficiency of the polyurethane waste gas is low.

The purpose and the efficacy of the polyurethane prepolymer waste gas treatment device are achieved by the following specific technical means:

a polyurethane prepolymer waste gas treatment device comprises: the water pump water; the fixed sleeve outside the carrier plate is arranged on the side surface of the main body; the bottom of the bottom groove is provided with a motor, the bottom groove is arranged at the bottom of the main body, and the discharge groove at the top of the bottom groove is arranged at the bottom of the outer side of the main body; violently manage, violently manage and install the side at the kerve, and violently manage the side of installing at standpipe bottom suction pump.

Further, the body includes: the drainage piece is of an annular structure, a nozzle is arranged at the bottom of the drainage piece, the drainage piece is arranged at the top end of the inside of the main body, and an air inlet pipeline is arranged on the side surface of the main body; the standpipe is installed at the top of main part, and the top of standpipe runs through the main part and is connected with the drainage component.

Further, the carrier plate includes: the outer side of the vertical rod is provided with a convex block, and the vertical rod is arranged in the middle of the carrier plate; the panel, the panel is the circular slab structure, and the gear is installed in the outside of panel to the inside of panel outside gear is equipped with the recess, and the gear in the panel outside runs through the outside of installing at the montant, and the lug in the montant outside is installed to the inside recess block of panel outside gear.

Further, the carrier plate further includes: the inner end of the rotating rod is provided with a gear, and the gear at the inner end of the rotating rod is meshed with the gear at the bottom of the outer side of the panel; the fixed sleeve is arranged on the outer side of the rotating rod.

Further, the bottom tank includes: the bottom plate is provided with a filtering hole at the top and is arranged at the top of the bottom tank, the bottom tank is of a conical structure, and an exhaust pipeline is arranged on the side surface of the bottom tank; the scraper blade, the scraper blade is the arc structure, and the scraper blade is installed on the top of kerve bottom motor top motor shaft to the scraper blade slidable mounting is at the top of bottom plate.

Further, the bottom groove further comprises: the bottom of the discharge chute is of an inclined plane structure, and the bottom of the discharge chute is in alignment with the bottom plate; the storage tank is arranged on the side face of the bottom groove, and the side face of the storage tank is connected with the discharge groove.

Further, the cross tube includes: the feeding piece is of a conical structure and is arranged on the outer side of the transverse pipe; the top groove is of an arc structure and is arranged at the top of the outer side of the transverse pipe and is located at the bottom of the feeding piece.

Further, the horizontal pipe still includes: the flow dividing piece is of a cylindrical structure, is arranged at the bottom of the inner side of the feeding piece through a rotating shaft, and is arranged inside the top groove; the outer tank is of an arc structure and is arranged outside the flow dividing piece.

Compared with the prior art, the utility model has the following beneficial effects:

1. in the device, the panels are arranged, the positions of the four panels are adjusted by rotating the rotating rod, so that the four panels are positioned at different angles, when the polyurethane waste gas enters, the flow path of the polyurethane waste gas is blocked, the polyurethane waste gas can stay in the main body for a sufficient time, and other alkaline absorbents such as limestone slurry or magnesium hydroxide slurry discharged by the drainage piece react with harmful gases such as sulfur dioxide in the polyurethane waste gas to form substances which are insoluble in water, so that the polyurethane waste gas can be sufficiently distributed, the discharged gas is ensured to reach the discharge standard, and the ecological environment is protected;

2. in this device, set up the reposition of redundant personnel piece, rotate the reposition of redundant personnel piece in the inside of overhead tank, lime powder or other alkaline substance that make the inside storage of feeding piece enter into violently the interior configuration of pipe and form limestone slurry or other liquid for harmful gas such as sulfur dioxide in the polyurethane waste gas reacts, adjusts the slew velocity of reposition of redundant personnel piece according to the condition of rivers in the cross-tube, modulates the reaction liquid of suitable proportion, makes lime powder or other alkaline substance carry out reasonable distribution.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the main body of the present invention.

Fig. 3 is a schematic cross-sectional structure of the panel of the present invention.

Fig. 4 is a schematic cross-sectional structure of the bottom groove of the present invention.

Fig. 5 is a schematic perspective view of a cross bar of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main body; 101. a drainage member; 102. a vertical tube; 2. a carrier plate; 201. a vertical rod; 202. a panel; 203. a rotating rod; 204. fixing a sleeve; 3. a bottom groove; 301. a base plate; 302. a squeegee; 303. a discharge chute; 304. a storage tank; 4. a transverse tube; 401. a feeding member; 402. a top groove; 403. a flow divider; 404. and (4) an outer groove.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a polyurethane prepolymer waste gas treatment device, which comprises: the water pump type water heater comprises a main body 1, wherein a support is arranged at the bottom of the main body 1, a water suction pump is arranged at the bottom of a vertical pipe 102 outside the main body 1, and a support plate 2 is arranged inside the main body 1; the support plate 2, a fixed sleeve 204 outside the support plate 2 is arranged on the side surface of the main body 1; the bottom of the bottom groove 3 is provided with a motor, the bottom groove 3 is arranged at the bottom of the main body 1, and the discharge groove 303 at the top of the bottom groove 3 is arranged at the bottom of the outer side of the main body 1; violently manage 4, violently manage 4 side of installing at kerve 3, and the side at standpipe 102 bottom suction pump of the side end of violently managing 4, the nozzle is installed to the bottom of drainage 101, annular drainage 101 makes rivers form water smoke and the abundant reaction of polyurethane waste gas, be convenient for make the abundant water smoke with drainage 101 exhaust of polyurethane waste gas react, support plate 2 fixes montant 201, make montant 201 be in the inside intermediate position of main part 1, make the material enter into the inside of storage tank 304, be convenient for the later stage is handled, make the gas after the reaction pass through the exhaust duct of kerve 3 side and discharge, make outer groove 404 arrange lime powder or other materials to the inside formation lime stone thick liquid or other liquid of violently managing 4, arrange the inside of standpipe 102 through the suction pump, make rivers recycle, the using water wisely, main part 1 includes: the drainage member 101 is of an annular structure, a nozzle is arranged at the bottom of the drainage member 101, the drainage member 101 is arranged at the top end of the inside of the main body 1, and an air inlet pipeline is arranged on the side surface of the main body 1; a vertical pipe 102, the vertical pipe 102 is installed on the top of the main body 1, the top end of the vertical pipe 102 penetrates through the main body 1 and is connected with the drainage member 101, a support is installed on the bottom of the main body 1 and is used for supporting the main body 1 in a stable state, polyurethane waste gas is discharged through an air inlet pipeline on the top of the side surface of the main body 1, the interior of the vertical pipe 102 is filled with slurry containing limestone or other liquid through a water suction pump and is discharged into the drainage member 101, wherein the carrier plate 2 comprises: the outer side of the vertical rod 201 is provided with a convex block, and the vertical rod 201 is arranged in the middle of the carrier plate 2; the panel 202 is of a circular plate structure, a gear is mounted on the outer side of the panel 202, a groove is formed in the gear on the outer side of the panel 202, the gear on the outer side of the panel 202 is mounted on the outer side of the vertical rod 201 in a penetrating mode, the groove in the gear on the outer side of the panel 202 is clamped and mounted with a convex block on the outer side of the vertical rod 201, a gear is mounted at the inner end of the rotating rod 203, and the gear on the inner end of the rotating rod 203 is meshed with the gear on the bottom of the outer side of the panel 202; fixed cover 204, the outside at bull stick 203 is installed to fixed cover 204, concentration and flow velocity according to the polyurethane waste gas, the outer end of the four bull sticks 203 in the 1 outside of main part rotates, fixed cover 204 fixes the position of bull stick 203, make the gear of bull stick 203 inner drive the gear revolve of panel 202 outside bottom, make panel 202 revolve around montant 201 and rotate, make four panel 202 be in different positions, the inside recess block of gear in the panel 202 outside is at the lug in the montant 201 outside, prevent the condition of panel 202 landing, be convenient for make panel 202 carry out the vortex to the polyurethane waste gas, the kerve 3 includes: the bottom plate 301 is provided with a filtering hole at the top part of the bottom plate 301, the bottom plate 301 is arranged at the top part of the bottom tank 3, the bottom tank 3 is of a conical structure, and an exhaust pipeline is arranged on the side surface of the bottom tank 3; the scraper 302 is of an arc structure, the scraper 302 is installed at the top end of a motor shaft at the top of the motor at the bottom of the bottom groove 3, and the scraper 302 is installed at the top of the bottom plate 301 in a sliding manner; the bottom of the discharge chute 303 is of an inclined surface structure, and the bottom of the discharge chute 303 is matched with the bottom plate 301; storage tank 304, the side at kerve 3 is installed to storage tank 304, and the side of storage tank 304 is connected with blown down tank 303, be equipped with kerve 3 in the bottom of main part 1, use bottom plate 301 to filter the waste water after the reaction, make the rivers advance the inside of kerve 3, motor drive scraper blade 302 through the kerve 3 bottom rotates at the top of bottom plate 301, make the material of straining off stir blown down tank 303 department through scraper blade 302, guarantee bottom plate 301's filter effect, prevent that the material from too much causing the condition of jam, the slope column structure of blown down tank 303 bottom prevents that rivers from discharging, wherein, violently manage 4 and include: the feeding piece 401, the feeding piece 401 is a conical structure, and the feeding piece 401 is installed on the outer side of the transverse pipe 4; the top groove 402 is of an arc structure, the top groove 402 is arranged at the top of the outer side of the transverse pipe 4, and the top groove 402 is positioned at the bottom of the feeding piece 401; the flow dividing piece 403 is of a cylindrical structure, the flow dividing piece 403 is installed at the bottom of the inner side of the feeding piece 401 through a rotating shaft, and the flow dividing piece 403 is installed inside the top groove 402; outer tank 404, outer tank 404 are the arc structure, and outer tank 404 establishes in the outside of reposition of redundant personnel 403, has violently pipe 4 at 3 side-mounting in kerve, makes the rivers after the filtration enter into the inside of violently managing 4, drives rivers through the suction pump, and other materials such as lime powder are equipped with to the inside of feeding piece 401, makes reposition of redundant personnel 403 rotate in the inside of apical trough 402 according to the speed of rivers.

The specific use mode and function of the embodiment are as follows:

in the utility model, when polyurethane waste gas is treated, limestone slurry or other liquid reactants are firstly introduced into the interior of the vertical pipe 102, water flow is enabled to flow into the interior of the vertical pipe 102 through the transverse pipe 4 by a water pump, the flow dividing piece 403 rotates in the top groove 402 according to the speed of the water flow, the lime powder or other substances contained in the feeding piece 401 are discharged into the transverse pipe 4 by the outer groove 404 to form the limestone slurry or other liquid, then according to the concentration and the flow rate of the polyurethane waste gas, the four rotating rods 203 are rotated to enable the gears at the inner ends of the four rotating rods to be meshed with the gears at the outer bottom of the panel 202 to drive the panel 202 to rotate around the vertical rod 201, the four panels 202 are positioned at different positions to disturb the polyurethane waste gas, the retention time of the polyurethane waste gas is increased, the limestone slurry or other liquid in the vertical pipe 102 is discharged into the drainage piece 101, the bottom of the drainage piece 101 is provided with nozzles to spray water to fully react with the polyurethane waste gas, bottom plate 301 filters the waste water after the reaction, and the motor through kerve 3 bottom drives scraper blade 302 and dials the blown down tank 303 department to the material of straining off, stores the later stage of being convenient for in storage tank 304 and handles, makes rivers collect the inside of kerve 3 and arranges the inside to standpipe 102 through the suction pump, makes rivers recycle.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A polyurethane prepolymer waste gas treatment device is characterized in that: polyurethane prepolymer exhaust treatment device includes:

the water pump water;

the fixed sleeve outside the carrier plate is arranged on the side surface of the main body;

the bottom of the bottom groove is provided with a motor, the bottom groove is arranged at the bottom of the main body, and the discharge groove at the top of the bottom groove is arranged at the bottom of the outer side of the main body;

violently manage, violently manage and install the side at the kerve, and violently manage the side of installing at standpipe bottom suction pump.

2. The waste gas treatment device for polyurethane prepolymers according to claim 1, wherein: the main body includes:

the drainage piece is of an annular structure, a nozzle is arranged at the bottom of the drainage piece, the drainage piece is arranged at the top end of the inside of the main body, and an air inlet pipeline is arranged on the side surface of the main body;

the standpipe is installed at the top of main part, and the top of standpipe runs through the main part and is connected with the drainage component.

3. The waste gas treatment device for polyurethane prepolymers according to claim 1, wherein: the carrier plate includes:

the outer side of the vertical rod is provided with a convex block, and the vertical rod is arranged in the middle of the carrier plate;

the panel, the panel is the circular slab structure, and the gear is installed in the outside of panel to the inside of panel outside gear is equipped with the recess, and the gear in the panel outside runs through the outside of installing at the montant, and the lug in the montant outside is installed to the inside recess block of panel outside gear.

4. The waste gas treatment device for polyurethane prepolymers according to claim 1, wherein: the carrier plate further includes:

the inner end of the rotating rod is provided with a gear, and the gear at the inner end of the rotating rod is meshed with the gear at the bottom of the outer side of the panel;

the fixed sleeve is arranged on the outer side of the rotating rod.

5. The waste gas treatment device for polyurethane prepolymers according to claim 1, wherein: the bottom tank includes:

the bottom plate is provided with a filtering hole at the top and is arranged at the top of the bottom tank, the bottom tank is of a conical structure, and an exhaust pipeline is arranged on the side surface of the bottom tank;

the scraper blade, the scraper blade is the arc structure, and the scraper blade is installed on the top of kerve bottom motor top motor shaft to the scraper blade slidable mounting is at the top of bottom plate.

6. The waste gas treatment device for polyurethane prepolymers according to claim 1, wherein: the kerve further comprises:

the bottom of the discharge chute is of an inclined plane structure, and the bottom of the discharge chute is in alignment with the bottom plate;

the storage tank is arranged on the side face of the bottom groove, and the side face of the storage tank is connected with the discharge groove.

7. The waste gas treatment device for polyurethane prepolymers according to claim 1, wherein: the cross tube includes:

the feeding piece is of a conical structure and is arranged on the outer side of the transverse pipe;

the top groove is of an arc structure and is arranged at the top of the outer side of the transverse pipe and is located at the bottom of the feeding piece.

8. The waste gas treatment device for polyurethane prepolymers according to claim 1, wherein: the horizontal tube further comprises:

the flow dividing piece is of a cylindrical structure, is arranged at the bottom of the inner side of the feeding piece through a rotating shaft, and is arranged inside the top groove;

the outer tank is of an arc structure and is arranged outside the flow dividing piece.