CN219702941U

CN219702941U - Resin processing exhaust gas exhaust hood

Info

Publication number: CN219702941U
Application number: CN202321199314.XU
Authority: CN
Inventors: 马月春
Original assignee: Chongqing Somunde New Material Technology Co ltd
Current assignee: Chongqing Somunde New Material Technology Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-09-19
Anticipated expiration: 2033-05-17

Abstract

The utility model relates to the technical field of waste gas collection, in particular to a resin processing waste gas exhaust cover, which comprises a waste gas exhaust pipe, an air suction cover and a waste gas communicating pipe which are sequentially arranged from top to bottom; the waste gas discharge pipe comprises a discharge pipeline section, a butterfly valve pipeline section and a hook pipeline section which are sequentially communicated from top to bottom. The pipe wall at the bearing overlapping part of the butterfly valve pipe section and the hook pipe section is penetrated with a hook, and the diameter of the tail end of the part of the hook extending into the hook pipe section is larger than the diameter of the rod body; the end of the waste gas communicating pipe is provided with a round hole, a hook ring capable of being hung on the hook is arranged on the round hole, the waste gas communicating pipe is hung on the rod part through the hook ring, and the waste gas communicating pipes of a plurality of stirring devices can be collected in the hook pipeline to share one exhaust device.

Description

Resin processing exhaust gas exhaust hood

Technical Field

The utility model relates to the technical field of waste gas collection, in particular to a resin processing waste gas exhaust cover.

Background

In recent years, the national environmental remediation is more and more powerful, and for chemical enterprises, the investment on waste gas treatment equipment is increased, wherein the waste gas collection link is important, and the atmospheric environment is directly influenced by the collection effect; in the existing exhaust gas collecting system, a plurality of gas collecting hoods are arranged at the top of each device and are suspended and fixed, and then the exhaust gas communicating pipe is directly connected with the gas collecting hoods, and an exhaust gas collecting control system generally uniformly opens and closes all the gas collecting hoods; although the prior art such as CN104588386a (a novel gas collecting hood) improves on this problem, the following technical problems still remain:

1. the prior art gas-collecting channel extends downwards to be provided with a vertical curtain, so that the lower space is increased, the volume of the whole gas-collecting channel is increased, and the cost is increased.

2. In the prior art, the pipeline is connected to the through hole on the vertical curtain, so that the stability of pipeline installation is guaranteed, four corners are formed when the vertical strips are connected, the bonding property of the four corners is possibly unstable, the installation position is required to be noted or other structures are utilized for fixing, the installation cost is very high, and the material cost is high.

3. The through hole department that the pipeline is connected on the curtain that hangs down drops easily, has increased the risk in the equipment use.

Disclosure of Invention

The utility model provides a resin processing exhaust hood, which can solve the problems of large volume and high cost of the exhaust hood in the prior art.

The utility model provides the following technical scheme:

the resin processing waste gas exhaust cover comprises a waste gas exhaust pipe, an air suction cover and a waste gas communicating pipe which are sequentially arranged from top to bottom; the exhaust gas discharge pipe comprises a smoke discharge pipe and a hook pipeline section which are sequentially communicated from top to bottom, the lower end of the hook pipeline section is fixed with the air suction cover, the upper end of the hook pipeline section is in socket connection with the lower end of the smoke discharge pipe, and a plurality of rod-shaped hooks are arranged at the socket overlapping part; the diameter of the tail end of the part of the hook extending into the hook pipeline section is larger than the diameter of the rod body; the end part of the waste gas communicating pipe is provided with a round hole, and a shackle capable of being hung on the hook is arranged on the round hole.

The beneficial effects are that:

1. compared with the negative pressure suction hood in the prior art, the suction hood in the technology is directly used for guiding exhaust gas exhausted from resin processing equipment to the pipeline above the suction hood through the exhaust gas communicating pipe, so that the exhaust gas can be directly adsorbed upwards by negative pressure, a plurality of vertical curtains are not required to be arranged below the suction hood for protection, the exhaust gas communicating pipe is connected in a detachable connection mode, a plurality of exhaust gas communicating pipes can be connected at one suction hood according to the need, the exhaust gas exhaust of a resin processing factory building is more convenient, the structure is simpler, the cost is low, and the applicability is higher.

2. The suction hood top fixedly connected with couple pipeline section of this technique realizes the mode of bell and spigot joint with the exhaust pipe through couple pipeline section, compares in the mode with suction hood and upper side pipeline integrated into one piece, and this technique is more convenient the installation and the dismantlement of suction hood.

3. The rod-shaped hooks are arranged at the overlapped part of the hook pipeline section and the smoke exhaust pipe in an inserted mode, so that the gravity of the hook pipeline section and the suction hood can be borne, and the connection strength of the hook pipeline section and the smoke exhaust pipe is more stable; the plurality of hooks can be hung with the plurality of waste gas communicating pipes to be connected with the plurality of stirring devices, and no redundant exhaust device is needed, so that the whole volume of the exhaust cover is small, and the material cost and the installation cost are reduced; the diameter of the tail end of the hook is larger than the diameter of the rod body, so that a hook ring on the exhaust gas communication pipe hanger is not easy to fall off from the hook.

4. The waste gas communicating pipe is provided with a round hole, and the round hole is provided with a hook ring which can be hung on the rod part, so that the taking and hooking of the waste gas communicating pipe are very convenient, the hook ring structure is simple, and the use cost is low.

5. After resin processing is finished, discharging is needed, a certain smell is inevitably generated in the factory building, and the air suction cover of the technology is in a flaring shape and can intensively suck and discharge air in the factory building.

Further, the smoke exhaust pipe comprises a discharge pipe section and a butterfly valve pipe section which are sequentially arranged from top to bottom, and the butterfly valve pipe section is connected below the discharge pipe section through a flange plate; the butterfly valve pipeline section is in socket connection with the hook pipeline section. The flange plate is connected in a manner which is convenient for installation and disassembly when the pipeline components are replaced.

Further, the butterfly valve pipeline section is equipped with the butterfly valve, the butterfly valve is including setting up the valve block in the butterfly valve pipeline section and the control handle of being connected with the valve block through the connecting rod, the control handle sets up outside the butterfly valve pipeline section pipe wall, the control handle includes fixed sleeve and the rotatory sleeve of setting gradually on the connecting rod towards the direction of keeping away from butterfly valve pipeline section pipe wall, fixed sleeve and the pipe wall fixed connection of butterfly valve pipeline section, fixed sleeve and connecting rod swing joint, rotatory sleeve passes through pin fixed connection with the connecting rod, fixedly connected with is vertical to the handle that sets up down on rotatory telescopic excircle. The opening of the valve plate inside the pipeline can be adjusted outside the pipeline by using the control handle, so that the control of the flow of the exhaust gas in the pipeline is realized.

Further, the fixed sleeve is fixedly connected with an opening identification disc, and two limiting blocks and a plurality of limiting holes are arranged on the opening identification disc; limiting holes are uniformly distributed in the tray body of the opening identification tray, and limiting blocks are arranged at positions close to two right-angle edges of the identification tray. The locating hole cooperates with the locating pin on the clamp plate, can realize the locking to the valve block, can also be according to the rotation angle of the corresponding spacing Kong Panduan valve block of locating pin in the pipeline to the realization is to the control of gas flow size, and the stopper is spacing to the rotatory radian of control handle, thereby has limited the position that the valve block rotated to maximum flow and the position of stopping flow, avoids control handle drive valve block excessive rotation and influences the accuracy that the aperture was adjusted in the pipeline, realizes the accurate control to gas circulation in the pipeline and blocking.

Further, the handle comprises a grip and a pressing plate, the included angle between the head of the pressing plate and the plate body is an obtuse angle, a rotating pin is fixedly connected to the side face of the joint part of the head of the pressing plate and the plate body, the pressing plate is rotationally connected with the grip through the rotating pin, and a spring is fixedly arranged between the grip and the plate body of the pressing plate; the head of the pressing plate is fixedly connected with a positioning pin perpendicular to the surface of the pressing plate, and the positioning pin can pass through a limiting hole on the opening identification disc. The plate body of the pressing plate is pressed, so that the locating pin at the head of the pressing plate lifts and is separated from the limiting hole on the opening identification disc, at the moment, the control handle is rotated to drive the valve plate to adjust the opening in the pipeline, the plate body of the pressing plate is loosened, the elastic force of the spring enables the pressing plate to reset, the locating pin at the head of the pressing plate penetrates through the limiting hole to fix the control handle, and then the valve plate inside the pipeline is locked.

Drawings

FIG. 1 is a front view of an exhaust hood for resin production and processing according to the present utility model;

FIG. 2 is a front view of the smoke exhaust pipe of the present utility model;

FIG. 3 is a schematic diagram of a first embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a butterfly valve conduit section of the present utility model;

fig. 5 is a schematic diagram of the structure of the opening identification disc;

FIG. 6 is a schematic view of the handle of FIG. 4;

FIG. 7 is a schematic view of the platen of FIG. 6;

FIG. 8 is a schematic view of the control handle of FIG. 3;

FIG. 9 is an enlarged view of the receiving overlap of the hook and butterfly valve tube sections of FIG. 3;

fig. 10 is a schematic diagram of a second embodiment.

Detailed Description

The following is a further detailed description of the embodiments:

the labels in the drawings of this specification include: exhaust gas discharge pipe 1, exhaust pipe 101, suction hood 2, exhaust gas communication pipe 3, circular hole 31, shackle 32, discharge pipe section 4, flange 5, butterfly valve pipe section 6, hook pipe section 7, hook 8, snap ring 9, valve plate 10, control handle 11, fixed sleeve 111, pin 112, rotating sleeve 113, handgrip 114, grip 1141, spring 1142, pressure plate 1143, rotating pin 1144, positioning pin 1145, connecting rod 12, opening identification disc 13, limiting hole 131, stopper 132.

Example 1

As shown in fig. 1 to 7, a resin processing exhaust hood includes an exhaust gas discharge pipe 1, an intake hood 2, and an exhaust gas communicating pipe 3 disposed in this order from top to bottom; the exhaust gas discharge pipe 1 comprises a smoke discharge pipe 101 and a hook pipe section 7 which are sequentially communicated from top to bottom, wherein the smoke discharge pipe 101 comprises a discharge pipe section 4 and a butterfly valve pipe section 6, and the discharge pipe section 4 is communicated with subsequent exhaust gas treatment equipment (such as an absorption tower); the discharge pipeline section 4 is connected with a butterfly valve pipeline section 6 below through a flange plate 5; the lower end of the butterfly valve pipeline section 6 is in socket connection with the upper end of the hook pipeline section 7, and the lower end of the hook pipeline section 7 is fixedly connected with the air suction cover 2.

As shown in fig. 4 to 8, a valve plate 10 is arranged in a butterfly valve pipeline section 6, one end of the valve plate 10 is connected with a control handle 11 through a connecting rod 12, the control handle 11 is arranged outside the wall of the butterfly valve pipeline section 6, the control handle 11 comprises a fixed sleeve 111 and a rotary sleeve 113 which are sequentially arranged on the connecting rod 12 towards the direction away from the wall of the butterfly valve pipeline section 6, the fixed sleeve 111 is fixedly connected with the wall of the butterfly valve pipeline section 6, the connecting rod 12 is rotationally connected in the fixed sleeve 111, and the outer circumferential surface of the fixed sleeve 111 is fixedly connected with an opening identification disc 13 which is vertically downwards arranged; as shown in fig. 5, two limiting blocks 132 close to two right-angle edges of the opening identification disk 13 and a plurality of strip-shaped limiting holes 131 uniformly distributed on the disk body of the opening identification disk 13 are arranged on the opening identification disk 13. The rotary sleeve 113 is fixedly connected with the connecting rod 12 through a pin 112, and the outer circumferential surface of the rotary sleeve 113 is fixedly connected with a handle 114 which is vertically arranged downwards. Referring to fig. 6, the handle 114 includes a grip 1141 and a pressing plate 1143, an included angle between the head of the pressing plate 1143 and the plate body is an obtuse angle, a rotation pin 1144 is fixedly connected to a side surface of a joint portion between the head of the pressing plate 1143 and the plate body, the pressing plate 1143 is movably connected with the grip 1141 through the rotation pin 1144, and a spring 1142 is fixedly arranged between the grip 1141 and the plate body of the pressing plate 1143; the end of the grip 1141 far away from the spring 1142 is open at the bottom, the head of the pressing plate 1143 is fixedly connected with a locating pin 1145 vertical to the surface of the pressing plate 1143, and the locating pin 1145 is positioned at the opening of the grip 1141; and the positioning pin 1145 may be inserted into the limiting hole 131 on the opening degree identification plate 13.

As shown in fig. 9, a plurality of hooks 8 distributed along the circumferential direction of the pipe are arranged at the overlapping part of the pipe wall of the butterfly valve pipe section 6 and the pipe wall of the hook pipe section 7 after being connected, the diameter of the tail end of the part of the hook 8 extending into the hook pipe section 7 is larger than the diameter of the rod body, a round hole 31 is arranged at the end part of the waste gas communicating pipe 3, a hook ring 32 is arranged on the round hole 31, and the hook ring 32 can be hung on the hook 8.

When the exhaust gas communicating pipe 3 of the resin stirrer is used, the exhaust gas communicating pipe 3 of the resin stirrer extends into the exhaust gas communicating pipe from the opening below the suction cover 2, the shackle 32 on the communicating pipe is hung on the rod-shaped hook 8 in the pipeline, the end part of the hook 8 can limit the shackle 32 to deviate from the rod-shaped hook 8, the plurality of exhaust gas communicating pipes 3 can be hung according to the length of the hook 8, after the hanging is finished, a fan is opened to form negative pressure in the exhaust pipeline, the control handle 11 of the butterfly valve is regulated according to the required working condition, the pressing plate 1143 on the control handle 11 is pressed, the positioning pin 1145 is separated from the limiting hole 131, at the moment, the control handle 11 can be rotated to drive the valve plate 10 in the pipeline to regulate the opening, the handle is loosened after the regulation, the spring 1142 elastic force enables the pressing plate 1143 to reset, and the positioning pin 1145 passes through the limiting hole 131 on the opening identification disk 13, and the locking of the opening position of the valve plate 10 is finished.

Example two

As shown in fig. 10, the difference between the present embodiment and the first embodiment is that a plurality of snap ring buckles 9 are fixedly connected below the hooks 8, and the snap ring buckles 9 are made of elastic metal.

When in use, the pipe body of the waste gas communicating pipe 3 is buckled into the clamping ring buckle 9, and the shackle 32 is hung on the rod-shaped hook 8, so that the waste gas communicating pipes 3 can be prevented from being mutually wound when being hooked, and the convenience of use is improved. The clamping ring buckle 9 is fixedly connected with the rod-shaped hook 8, so that the clamping ring buckle 9 has higher strength and is not easy to fall off.

The above is merely an embodiment of the present utility model, and the present utility model is not limited to the field of the present embodiment, but the specific structure and characteristics of the present utility model are not described in detail. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. Resin processing waste gas discharge cover includes from last waste gas discharge pipe, suction hood and the waste gas communicating pipe that sets gradually down, its characterized in that: the exhaust gas discharge pipe comprises a smoke discharge pipe and a hook pipeline section which are sequentially communicated from top to bottom, the lower end of the hook pipeline section is fixed with the air suction cover, the upper end of the hook pipeline section is in socket connection with the lower end of the smoke discharge pipe, and a plurality of rod-shaped hooks are arranged at the socket overlapping part; the diameter of the tail end of the part of the hook extending into the hook pipeline section is larger than the diameter of the rod body; the end part of the waste gas communicating pipe is provided with a round hole, and a shackle capable of being hung on the hook is arranged on the round hole.

2. The resin processing exhaust gas discharge cover according to claim 1, wherein: the smoke exhaust pipe comprises a discharge pipeline section and a butterfly valve pipeline section which are sequentially arranged from top to bottom, and the butterfly valve pipeline section is connected below the discharge pipeline section through a flange plate; the butterfly valve pipeline section is in socket connection with the hook pipeline section.

3. The resin processing exhaust gas discharge cover according to claim 2, wherein: the butterfly valve pipeline section is equipped with the butterfly valve, the butterfly valve is including setting up the valve block in the butterfly valve pipeline section and the control handle of being connected with the valve block through the connecting rod, the control handle sets up outside the butterfly valve pipeline section pipe wall, the control handle includes fixed sleeve and the rotatory sleeve of setting gradually on the connecting rod towards the direction of keeping away from butterfly valve pipeline section pipe wall, fixed sleeve and the pipe wall fixed connection of butterfly valve pipeline section, fixed sleeve rotates with the connecting rod to be connected, rotatory sleeve passes through pin fixed connection with the connecting rod, fixedly connected with is vertical to the handle that sets up down on rotatory telescopic excircle.

4. A resin processed exhaust gas discharge cover according to claim 3, wherein: the fixed sleeve is fixedly connected with an opening identification disc, and two limiting blocks and a plurality of limiting holes are arranged on the opening identification disc; limiting holes are uniformly distributed in the tray body of the opening identification tray, and limiting blocks are arranged at positions close to two right-angle edges of the identification tray.

5. The resin processing exhaust gas discharge cover according to claim 4, wherein: the handle comprises a handle and a pressing plate, the included angle between the head of the pressing plate and the plate body is an obtuse angle, a rotating pin is fixedly connected to the side face of the joint part of the head of the pressing plate and the plate body, the pressing plate is movably connected with the handle through the rotating pin, and a spring is fixedly arranged between the handle and the plate body of the pressing plate; the head of the pressing plate is fixedly connected with a positioning pin perpendicular to the surface of the pressing plate, and the positioning pin can pass through a limiting hole on the opening identification disc.