CN218636835U

CN218636835U - NMP waste gas recovery equipment

Info

Publication number: CN218636835U
Application number: CN202222140968.7U
Authority: CN
Inventors: 李鸿; 刘慎超
Original assignee: Guangdong Hongruineng Environmental Protection Technology Co ltd
Current assignee: Guangdong Hongruineng Environmental Protection Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-03-17
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a NMP waste gas recovery equipment relates to waste gas recovery technical field. The utility model discloses a base, the barrel has been installed to the base upside, and intake pipe, outlet duct have been installed to the barrel lateral part, have all installed the check valve on intake pipe, the outlet duct, and the barrel upper end is equipped with the diaphragm, and cylinder, two lugs, elastic sliding have two connecting plates to have been installed to the diaphragm upside, and slide bar, two inserted bars have been installed to connecting plate one side, and the slide bar runs through the lug, and the push pedal has been installed to slide bar one end, and the clamping block corresponding with the inserted bar has been installed to the barrel upper end, and the plate body has been installed to the cylinder output. The utility model discloses an inserted bar and fixture block cooperation improve the fixed stability of diaphragm, reduce the probability that equipment during operation diaphragm breaks away from the barrel, through the flow direction of check valve restriction NMP waste gas, reduce the condition emergence that NMP waste gas takes place to flow against the current, through push pedal and connecting plate, slide bar cooperation, be convenient for dismantle the diaphragm fast.

Description

NMP waste gas recovery equipment

Technical Field

The utility model belongs to the technical field of waste gas recovery, especially, relate to a NMP waste gas recovery equipment.

Background

NMP is short for n-methyl pyrrolidone, is an important chemical raw material, is widely applied to the fields of petroleum processing, fine chemical industry, pharmacy, pesticides, electronic products and the like, and plays a very important role in the chemical industry.

Patent application publication No. CN216010420U discloses a condensation sprays NMP waste gas recovery plant, recovery plant includes: the air guide pipe is communicated with the right side of the storage box, the transfer box is communicated with the right side of the air guide pipe, a supporting plate is fixedly mounted at the bottom of the transfer box, and two mounting plates are fixedly mounted on two sides of the bottom of the supporting plate. The utility model discloses a set up electric telescopic handle and be used for driving the push pedal to reciprocate, when the push pedal rebound, the air of transfer incasement portion passes through the blow vent and discharges, waste gas passes through the leading-in inside of transfer case of air duct, under the effect of second check valve, waste gas can not flow against the current, when waste gas is full of transfer incasement portion, electric telescopic handle drive push pedal downstream, with waste gas through the blast pipe arrange external connecting pipe inside, sealing flange is used for connecting external pipe, under the effect of first check valve, waste gas can not flow against the current to the inside of transfer case, the direct discharge of current NMP waste gas has been solved simultaneously, lead to NMP waste gas can the polluted environment, influence the healthy problem of people.

The recycling device disclosed in the application is difficult to replace the sealing leather sheath, and after the sealing leather sheath is used for a long time, the sealing leather sheath is easy to age, crack, and have rough surface, so that the sealing performance of the recycling device is influenced, and NMP waste gas is easy to leak through a gap between the sealing leather sheath and the inner wall of the transfer box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a NMP waste gas recovery equipment has solved current recovery equipment and has been difficult to change sealed leather sheath, uses the back for a long time when sealed leather sheath, and sealed leather sheath is ageing soft or hard and brittle is full of cracks, rough surface easily to influence recovery equipment's leakproofness, make NMP waste gas easily see through the technical problem that the gap between sealed leather sheath and the transfer incasement wall leaked.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the NMP waste gas recovery equipment comprises a base, wherein a barrel is arranged on the upper side of the base, an air inlet pipe and an air outlet pipe are symmetrically arranged on the side portion of the barrel, the air inlet pipe and the air outlet pipe are communicated with the barrel, one-way valves are arranged on the air inlet pipe and the air outlet pipe, a transverse plate is arranged at the upper end of the barrel, an air cylinder, two convex blocks and two connecting plates are arranged on the upper side of the transverse plate in a sliding mode, the air cylinder is located between the two convex blocks, the connecting plates are located between the convex blocks and the air cylinder, a sliding rod and two inserted rods are arranged on one side, close to the convex blocks, of the connecting plates, the sliding rod penetrates through the convex blocks, a push plate is arranged at one end, far away from the connecting plates, of the sliding rod, a clamping block corresponding to the inserted rods is arranged at the upper end of the barrel, the clamping block penetrates through the upper portion of the clamping block, the clamping block penetrates through the clamping block at one end, far away from the connecting plates, the transverse plate penetrates through the transverse plate, the output end of the air cylinder is provided with a plate body, the plate body in a sliding fit in the barrel, sealing ring is arranged on the periphery of the plate, and the periphery of the sealing ring is in contact with the periphery of the inner wall of the barrel.

Optionally, a spring is arranged between the push plate and the bump, and the spring is sleeved on the periphery of the sliding rod.

Optionally, four supporting columns are arranged on the lower side of the base, a flange is arranged at one end, away from the cylinder, of the air inlet pipe and the air outlet pipe, and the check valve is located between the flange and the cylinder.

Optionally, a ring plate is installed around the plate body, a limiting ring is installed around the ring plate, the ring plate and the limiting ring are both located in the sealing ring, a plurality of bolts are arranged at the upper end of the sealing ring, nuts corresponding to the bolts are arranged at the lower end of the sealing ring, and the lower ends of the bolts penetrate through the sealing ring and are in threaded fit with the ring plate in the nuts.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment passes through the inserted bar and the cooperation of fixture block, improves the fixed stability of diaphragm, reduces the probability that equipment during operation diaphragm breaks away from the barrel, through the flow direction of check valve restriction NMP waste gas, reduce the condition emergence that NMP waste gas takes place to flow against the current, through push pedal and connecting plate, slide bar cooperation, be convenient for dismantle the diaphragm fast to be convenient for take out the sealing washer from the barrel and change, reduce the probability of leaking from equipment because of the ageing NMP waste gas that causes of sealing washer.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 4 is a schematic structural diagram at B in fig. 3.

Wherein the figures include the following reference numerals:

the device comprises a base 1, a barrel 2, a clamping block 201, a transverse plate 3, a convex block 301, a connecting plate 4, a sliding rod 401, an inserting rod 402, a pushing plate 403, a spring 404, an air cylinder 5, a plate body 6, a ring plate 601, a limiting ring 602, a sealing ring 7, a bolt 8, a nut 801, an air inlet pipe 9, an air outlet pipe 10, a flange plate 11, a one-way valve 12 and a supporting column 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To keep the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known parts of the invention has been omitted.

Referring to fig. 1 to 4, in the present embodiment, there is provided an NMP waste gas recovery apparatus, including: the NMP waste gas storage box comprises a base 1, a barrel body 2 is arranged on the upper side of the base 1, an air inlet pipe 9 and an air outlet pipe 10 are symmetrically arranged on the side portion of the barrel body 2, the air inlet pipe 9 is connected with the NMP waste gas storage box, the air outlet pipe 10 is connected with an external connecting pipe, the air inlet pipe 9 and the air outlet pipe 10 are both communicated with the barrel body 2, check valves 12 are respectively arranged on the air inlet pipe 9 and the air outlet pipe 10, the check valve 12 in the air inlet pipe 9 is used for reducing the probability that NMP waste gas in the barrel body 2 flows to the NMP waste gas storage box, the check valve 12 in the air outlet pipe 10 is used for reducing the probability that NMP waste gas in the external connecting pipe flows to the barrel body 2, a transverse plate 3 is arranged at the upper end of the barrel body 2, a cylinder 5, two convex blocks 301 are arranged on the upper side of the transverse plate 3, two connecting plates 4 are arranged in an elastic sliding mode, and the cylinder 5 is positioned between the two convex blocks 301, the connecting plate 4 is located between the convex block 301 and the cylinder 5, one side of the connecting plate 4 close to the convex block 301 is provided with a sliding rod 401 and two inserting rods 402, the sliding rod 401 is located between the two inserting rods 402, the sliding rod 401 penetrates through the convex block 301, one end of the sliding rod 401 far away from the connecting plate 4 is provided with a push plate 403, the convex block 301 is located between the connecting plate 4 and the push plate 403, the upper end of the cylinder body 2 is provided with a fixture block 201 corresponding to the inserting rods 402, the upper part of the fixture block 201 penetrates through the transverse plate 3, one end of the inserting rod 402 far away from the connecting plate 4 penetrates through the fixture block 201, the output end of the cylinder 5 penetrates through the transverse plate 3, the output end of the cylinder 5 is provided with a plate body 6, the plate body 6 is in sliding fit in the cylinder body 2, the periphery of the plate body 6 is provided with a sealing ring 7, and the periphery of the sealing ring 7 is in contact with the periphery of the inner wall of the cylinder body 2.

The application of one aspect of the embodiment is as follows: when the device is used, the air cylinder 5 works to drive the plate body 6, the sealing ring 7 moves up and down in the cylinder body 2, when the sealing ring 7 moves up, NMP waste gas in the NMP waste gas storage box is pumped into the cylinder body 2 through the air inlet pipe 9, when the plate body 6 and the sealing ring 7 move down, NMP waste gas in the cylinder body 2 is discharged into the external pipe through the air outlet pipe 10, when the sealing ring 7 ages, the push plate 403 is pressed to push the slide rod 401, the connecting plate 4 moves towards the direction away from the convex block 301, at the moment, the connecting plate 4 moves to drive the inserting rod 402 to slide out of the clamping block 201, the inserting rod 402 cancels resetting of the clamping block 201, then the transverse plate 3 is lifted and pulled to separate the transverse plate 3 from the clamping block 201, after the push plate 403 is loosened, the clamping block 201, the connecting plate 4, the slide rod 401 and the push plate 403 reset under the action of elasticity, then the transverse plate 3 with the air cylinder 5, the plate body 6 and the sealing ring 7 are detached from the cylinder body 2, the sealing ring 7 is independently replaced, and after the replacement is completed, the transverse plate 3 is remounterped and fixed. It should be noted that the electric devices referred to in this application may be powered by a storage battery or an external power source.

Through inserted bar 402 and fixture block 201 cooperation, improve the fixed stability of diaphragm 3, reduce the probability that equipment during operation diaphragm 3 breaks away from barrel 2, flow direction through check valve 12 restriction NMP waste gas, reduce the condition emergence of NMP waste gas emergence adverse current, through push pedal 403 and connecting plate 4, slide bar 401 cooperation, be convenient for dismantle diaphragm 3 fast, thereby be convenient for take out sealing washer 7 from barrel 2 and change, reduce the probability of leaking from equipment because of the ageing NMP waste gas that causes of sealing washer 7.

As shown in fig. 1, in the present embodiment, a flange 11 is installed at one end of the air inlet pipe 9 and the air outlet pipe 10 away from the cylinder 2, and the check valve 12 is located between the flange 11 and the cylinder 2, and is convenient for being connected and fixed with an NMP waste gas storage tank or an external pipe through the flange 11.

As shown in fig. 4, in the present embodiment, a ring plate 601 is installed on the periphery of the plate body 6, a limit ring 602 is installed on the periphery of the ring plate 601, both the ring plate 601 and the limit ring 602 are located in the sealing ring 7, the sealing ring 7 is made of rubber material so as to wrap the ring plate 601 and the limit ring 602 when being installed, the thickness of the limit ring 602 is greater than that of the ring plate 601, and the probability that the sealing ring 7 falls off from the plate body 6 is reduced by the limit ring 602. The upper end of the sealing ring 7 is provided with a plurality of bolts 8, the lower end of the sealing ring 7 is provided with nuts 801 corresponding to the bolts 8, the lower ends of the bolts 8 penetrate through the sealing ring 7 and the ring plate 601 and are in threaded fit in the nuts 801, the firmness of the installation of the sealing ring 7 is improved through the matching of the bolts 8 and the nuts 801, and when the sealing ring 7 is replaced, the bolts 8 and the nuts 801 need to be removed firstly and then replaced.

As shown in fig. 1-2, a spring 404 is disposed between the push plate 403 and the protrusion 301, the spring 404 is sleeved on the periphery of the sliding rod 401, and when the push plate 403 is not pressed, the spring 404 rebounds to push the push plate 403 to move, so that the fixture block 201, the connecting plate 4, the sliding rod 401, and the push plate 403 are reset in time. Four supporting columns 13 are arranged on the lower side of the base 1, and the base 1 is lifted through the supporting columns 13, so that the probability that the base 1 is rusted due to long-time contact with a humid ground is reduced.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. An NMP waste gas recovery apparatus, comprising: the improved structure of the sealing plate comprises a base (1), a barrel body (2) is installed on the upper side of the base (1), an air inlet pipe (9) and an air outlet pipe (10) are installed on the side portion of the barrel body (2), check valves (12) are installed on the air inlet pipe (9) and the air outlet pipe (10), a transverse plate (3) is arranged at the upper end of the barrel body (2), an air cylinder (5) and two convex blocks (301) are installed on the upper side of the transverse plate (3), two connecting plates (4) are elastically slid, a sliding rod (401) and two inserting rods (402) are installed on one side of each connecting plate (4), the sliding rod (401) penetrates through the convex blocks (301), a push plate (403) is installed at one end of the sliding rod (401), a clamping block (201) corresponding to the inserting rods (402) is installed at the upper end of the barrel body (2), a plate body (6) is installed at the output end of the air cylinder (5), the plate body (6) is in sliding fit in the barrel body (2), and a sealing ring (7) is arranged on the periphery side of the plate body (6).

2. The NMP waste gas recovery apparatus according to claim 1, characterized in that the end of the inlet pipe (9) and the outlet pipe (10) far from the cylinder (2) is provided with a flange (11).

3. The NMP exhaust gas recovery apparatus according to claim 1, wherein a ring plate (601) is disposed around the plate body (6), a stop ring (602) is disposed around the ring plate (601), and both the ring plate (601) and the stop ring (602) are disposed in the seal ring (7).

4. The NMP waste gas recovery apparatus according to claim 3, wherein a plurality of bolts (8) are provided at the upper end of the packing (7), nuts (801) corresponding to the bolts (8) are provided at the lower end of the packing (7), the lower ends of the bolts (8) penetrate through the packing (7), and the ring plate (601) is screw-fitted in the nuts (801).

5. The NMP waste gas recovery apparatus in accordance with claim 1, wherein a spring (404) is provided between the push plate (403) and the bump (301).

6. The NMP offgas recovery apparatus of claim 1, wherein the base (1) is provided at its lower side with four supporting columns (13).