CN210410658U - Process device for reducing overflow of polymerization reaction gas and feed liquid - Google Patents

Abstract

The utility model provides a reduce excessive process units of polymerization gas and feed liquid belongs to chemical industry equipment technical field. The utility model provides a reduce excessive process units of polymerization gas and feed liquid, be suitable for and communicate with reation kettle, including spouting material recovery tank, the buffer tank, liquid seal jar and tail gas collecting tank, it includes relative first lateral wall and the second lateral wall that sets up to spout material recovery tank, first lateral wall communicates through first communicating tube with reation kettle's export, the bottom of spouting material recovery tank passes through second communicating tube intercommunication with reation kettle's lateral wall, first lateral wall all is provided with feed liquid scraping device with the second lateral wall, the top of spouting material recovery tank passes through third communicating tube intercommunication with the top of buffer tank, be provided with liquid water in the liquid seal jar, the bottom of buffer tank passes through fourth communicating tube intercommunication with liquid seal jar's top, the other end of fourth communicating tube extends to under the liquid water's the liquid level, fine isolated with external air and reation kettle, can not cause material loss and environmental pollution.

Description

Process device for reducing overflow of polymerization reaction gas and feed liquid

Technical Field

The utility model belongs to the technical field of chemical industry equipment, specifically speaking relates to a reduce excessive process units of polymerization gas and feed liquid.

Background

The polymerization reaction in the chemical field belongs to a dangerous process, accidents are difficult to avoid completely, and it is very important content to ensure the safety of the polymerization reaction as much as possible in process design.

Wherein, polymerization generally is exothermic reaction, along with the going on of reaction, the heat of giving off is more and more, if equipment breaks down can not in time remove the heat that the reaction was given off, perhaps the reaction appears unusually taking place to gather suddenly, release a large amount of heats and exceed the removal heat ability of equipment in the ultrashort time, feed liquid temperature in the reation kettle can rise sharply, reach the boiling point after, the material can vaporize, produce a large amount of steam, lead to the pressure rise in the reation kettle, the steam can seek to break through the constraint and the mode of leaking.

The isolation of the interior of the reaction kettle from the outside is generally realized by adopting a valve to open and close, and the pressure relief and explosion prevention are realized by adopting a safety valve in response to emergency exhaust. The safety valve can play the role of pressure relief and explosion prevention, but the safety valve is opened for exhausting when reaching a preset pressure, and before the safety valve is opened, the pressure is gradually increased, and the material is vaporized. When the safety valve is opened, high-temperature materials can be sprayed out of the safety valve along with gas, so that material waste is caused, the problem of environmental pollution is also caused, and operators who cannot reach the safety valve can be scalded. If the viscosity of the material is higher, the problem of blocking the air outlet of the safety valve can be caused, and in case of blocking, the reaction kettle still has the danger of explosion.

SUMMERY OF THE UTILITY MODEL

To foretell not enough among the prior art, the utility model provides a reduce gaseous and excessive process units of feed liquid of polymerization, simple structure, easy operation, can be fine isolated with external air and reation kettle, can not make the pressure gathering, can not cause material loss and environmental pollution.

In order to achieve the above object, the utility model discloses a solution is:

a process device for reducing the overflow of polymerization reaction gas and feed liquid is suitable for being communicated with a reaction kettle and comprises a spray material recovery tank, a buffer tank, a liquid seal tank and a tail gas collecting tank, wherein the spray material recovery tank comprises a first side wall and a second side wall which are oppositely arranged, the first side wall is communicated with an outlet of the reaction kettle through a first communicating pipeline, the bottom of the spray material recovery tank is communicated with the side wall of the reaction kettle through a second communicating pipeline, the first side wall and the second side wall are respectively provided with a feed liquid scraping device, the top of the spray material recovery tank is communicated with the top of the buffer tank through a third communicating pipeline, liquid water is arranged in the liquid seal tank, the bottom of the buffer tank is communicated with the top of the liquid seal tank through a fourth communicating pipeline, one end of the fourth communicating pipeline is communicated with the bottom of the buffer tank, the other end of the fourth communicating pipeline penetrates through the top of the liquid seal tank and extends to a position below the liquid level of the liquid water, and the, the second communicating pipeline is provided with a switch valve.

Further, in a preferred embodiment of the present invention, the feed liquid scraping device includes a first magnet, a second magnet and a scraper device, the first magnet is disposed on the outer wall of the first side wall or the second side wall, the second magnet is disposed on the inner wall of the first side wall or the second side wall, and the scraper device is detachably connected to one end of the second magnet and is used for scraping the feed liquid on the inner wall of the first side wall or the feed liquid on the inner wall of the second side wall.

Further, the utility model discloses in the embodiment of the preferred, the scraper device includes connecting rod and scraper body, and the one end of connecting rod can be dismantled with the one end of second magnet and be connected, and the other end is connected with the one end of scraper body, and the inner wall of first lateral wall or second lateral wall is supported to the other end of scraper body.

Further, the utility model discloses in the embodiment of the preferred, the one end of connecting rod is provided with a plurality of buckles, and a plurality of draw-in grooves with buckle matched with have been seted up to the one end of second magnet.

Further, in a preferred embodiment of the present invention, a handle is disposed at an end of the first magnet away from the first side wall or the second side wall.

Further, the utility model discloses in the embodiment of the preferred, be provided with first absorption filter between the bottom of spouting material recovery tank and the first communicating pipe.

Further, in a preferred embodiment of the present invention, a second adsorption and filtration plate is disposed between the top of the liquid-sealed tank and the liquid level of the liquid water.

Further, in a preferred embodiment of the present invention, the first adsorption filter plate and the second adsorption filter plate are made of adsorption resin.

Furthermore, in a preferred embodiment of the present invention, the bottom of the spray material recycling tank is an inverted triangle.

The utility model provides a reduce excessive process units of polymerization gas and feed liquid beneficial effect is, wherein, through spouting material recovery tank, buffer tank and liquid seal tank, liquid water is as the liquid seal to the liquid seal tank, can be fine with outside air and reation kettle isolated through the form of liquid seal, the liquid seal height can be adjusted as required, when pressure in reation kettle exceeded the liquid seal limit value, gaseous liquid water liquid level in the liquid seal tank that rushes out, discharge outside the system at once, can not make pressure gathering, the gas that discharges can be collected through the tail gas collection tank and then carry out exhaust-gas treatment; if the material in the reation kettle is along with the steam blowout, the material can be held by material recovery tank and retrieve, can not spout external polluted environment, and the material in the recovery tank can return reation kettle and continue to utilize, can not cause the material loss.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a process apparatus for reducing the overflow of polymerization reaction gas and feed liquid provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a feed liquid scraping device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a scraper device according to an embodiment of the present invention.

Icon: 100-process units for reducing the overflow of polymerization reaction gas and feed liquid; 200-a reaction kettle; 210-an air inlet; 300-spraying material recovery tank; 310-a first side wall; 320-a second sidewall; 330-a first communication conduit; 340-a second communication conduit; 350-a switch valve; 360-feed liquid scraping device; 361-a first magnet; 362-a second magnet; 363-a scraper device; 364-connecting rod; 365-the doctor body; 366-buckling; 370-a handle; 380-first adsorption filter plate; 400-a buffer tank; 410-a third communicating conduit; 500-liquid sealing the tank; 510-liquid water; 520-a fourth communication channel; 530-a second adsorption filter plate; 600-tail gas collecting tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1, an embodiment of the present invention provides a process apparatus 100 for reducing overflow of polymerization reaction gas and feed liquid, which is suitable for being communicated with a reaction kettle 200, so as to isolate external air from the reaction kettle 200, and meanwhile, pressure in the reaction kettle 200 is not accumulated, and material loss and environmental pollution are not caused. The process device 100 for reducing the overflow of polymerization reaction gas and feed liquid comprises a spray material recovery tank 300, a buffer tank 400, a liquid seal tank 500 and a tail gas collection tank 600.

Spout material recovery tank 300 and include relative first lateral wall 310 and the second lateral wall 320 that sets up, first lateral wall 310 says the intercommunication through first communicating pipe 330 with reation kettle 200's export, spout material recovery tank 300's top and buffer tank 400's top and pass through third communicating pipe 410 intercommunication, be provided with liquid water 510 in the liquid-sealed tank 500, fourth communicating pipe 520 intercommunication is passed through with liquid-sealed tank 500's top to buffer tank 400's bottom, the one end of fourth communicating pipe 520 and buffer tank 400's bottom intercommunication, the other end passes liquid-sealed tank 500's top and extends to under the liquid level of liquid water 510.

Wherein, reation kettle 200, spout and expect to retrieve jar 300, buffer tank 400 and liquid seal jar 500 between intercommunication each other, as the liquid seal through liquid water 510, can be fine with outside air and reation kettle 200 isolated through the form of liquid seal, avoid the air admission reation kettle 200. Wherein, reation kettle 200 is provided with air inlet 210, in the reaction, dash into nitrogen gas in reation kettle 200 through air inlet 210 incessantly, make the interior malleation that forms of reation kettle 200, when pressure in reation kettle 200 surpassed liquid sealing limit value (highly relevant with liquid water 510), the material can be along with gaseous rush out reation kettle 200, wherein, the material can be held to retrieve by spouting material recovery tank, can not spout external polluted environment, the liquid level of liquid water 510 in liquid sealing tank 500 can be rushed out to gas, discharge outside the system immediately, can not make the pressure gathering, the gas of emission can be collected through tail gas collection tank 600, then carry out exhaust-gas treatment.

Spout the lateral wall of material recovery tank 300 and reation kettle 200 and pass through second intercommunication pipeline 340 intercommunication, the purpose is carried into reation kettle 200 in order to spout the material that material recovery tank 300 retrieved and reacts once more, avoids causing the waste of material. The second communicating pipe 340 is provided with a switch valve 350, so that when the materials are required to be recycled, the switch valve 350 is opened to enable the materials in the spray material recycling tank 300 to enter the reaction kettle 200 for further reaction, and when the materials are not required to be recycled, the switch valve 350 is closed.

Wherein, first lateral wall 310 all is provided with feed liquid scraping device 360 with second lateral wall 320, and the purpose is in order to strike off the material that spouts on the material recovery jar 300 lateral wall and retrieve, avoids causing the waste of material.

Referring to fig. 1, 2 and 3, the feed liquid scraping device 360 further includes a first magnet 361, a second magnet 362 and a scraper device 363.

The first magnet 361 is disposed on an outer wall of the first sidewall 310 or the second sidewall 320, the second magnet 362 is disposed on an inner wall of the first sidewall 310 or the second sidewall 320, and the scraper device 363 is detachably connected to one end of the second magnet 362 and is configured to scrape off the feed liquid on the inner wall of the first sidewall 310 or the feed liquid on the inner wall of the second sidewall 320. Through driving first magnet 361 to move to drive second magnet 362 to move, and then drive scraper device 363 and move and carry out the material and strike off work, adopt this feed liquid scraping device 360 to strike off convenient and fast to the material on the inner wall.

Further, the scraper device 363 comprises a connecting rod 364 and a scraper body 365, wherein one end of the connecting rod 364 is detachably connected with one end of the second magnet 362, so as to facilitate replacement and maintenance when the scraper is damaged.

The other end of the connecting rod 364 is connected to one end of the scraper body 365, and the other end of the scraper body 365 abuts against the inner wall of the first sidewall 310 or the second sidewall 320, so as to scrape off the material on the inner wall of the first sidewall 310 or the second sidewall 320.

Further, one end of the connecting rod 364 is provided with a plurality of buckles 366, one end of the second magnet 362 is provided with a plurality of slots (not shown) matched with the buckles 366, and the connecting rod 364 and the second magnet 362 are detachably connected through the plurality of buckles 366 and the plurality of slots.

Further, a handle 370 is disposed at an end of the first magnet 361 away from the first side wall 310 or the second side wall 320, so as to facilitate the handle 370 to move the first magnet 361.

Further, the bottom of the spray material recovery tank 300 is in an inverted triangle shape, so as to facilitate material recovery, and the material in the spray material recovery tank 300 is convenient to enter the reaction kettle 200.

Wherein, buffer tank 400's purpose is in order to avoid getting into reation kettle 200 when liquid water 510 suck-back, influence its reaction, and pressure among reation kettle 200 diminishes, causes the suck-back of liquid water 510 easily, and when suck-back, liquid water suck-back buffer tank 400, get into reation kettle 200 when avoiding liquid water 510 suck-back, influence its reaction.

The top of liquid seal tank 500 and tail gas collecting tank 600's bottom intercommunication, the purpose is in order to collect the gaseous of liquid seal tank 500 combustion gas through tail gas collecting tank 600, avoids the pollution that direct emission caused the environment.

Further, a first adsorption filter plate 380 is disposed between the first communication pipe 330 and the bottom of the spray recovery tank 300 in order to perform a first adsorption filtration of the gas discharged from the reaction vessel 200.

Further, a second adsorption filter plate 530 is disposed between the top of the liquid-sealed tank 500 and the liquid level of the liquid water 510, in order to perform a first adsorption filtration of the gas coming out of the liquid-sealed tank 500.

Further, the first filter adsorption plate 380 and the second filter adsorption plate 530 are made of adsorption resin. The adsorption resin is also called polymer adsorbent, and is a kind of high molecular polymer which is characterized by adsorption and has the functions of concentrating and separating organic matters.

To sum up, the utility model provides a reduce excessive process units of polymerization gas and feed liquid beneficial effect is, wherein, through spouting material recovery tank, buffer tank and liquid seal jar, the liquid seal jar regards liquid water as the liquid seal, can be fine with outside air and reation kettle through the form of liquid seal isolated, the liquid seal height can be adjusted as required, when the pressure in the reation kettle exceeded the liquid seal limit value, the liquid water liquid level in the liquid seal jar is washed out to the gas, discharge outside the system at once, can not make pressure gather, the gas that discharges can be collected through the tail gas collection jar then carries out exhaust-gas treatment; if the material in the reation kettle is along with the steam blowout, the material can be held by material recovery tank and retrieve, can not spout external polluted environment, and the material in the recovery tank can return reation kettle and continue to utilize, can not cause the material loss.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A process unit for reducing the overflow of polymerization reaction gas and feed liquid is suitable for being communicated with a reaction kettle, and is characterized in that: comprises a spray material recovery tank, a buffer tank, a liquid seal tank and a tail gas collection tank, wherein the spray material recovery tank comprises a first side wall and a second side wall which are oppositely arranged, the first side wall is communicated with an outlet of a reaction kettle through a first communicating pipeline, the bottom of the spray material recovery tank is communicated with the side wall of the reaction kettle through a second communicating pipeline, the first side wall and the second side wall are both provided with a feed liquid scraping device, the top of the spray material recovery tank is communicated with the top of the buffer tank through a third communicating pipeline, liquid water is arranged in the liquid seal tank, the bottom of the buffer tank is communicated with the top of the liquid seal tank through a fourth communicating pipeline, one end of the fourth communicating pipeline is communicated with the bottom of the buffer tank, the other end of the fourth communicating pipeline penetrates through the top of the liquid seal tank and extends to a position below the liquid level of the liquid water, the top of the liquid seal tank is communicated with the top of the tail gas collection tank, and the second communicating pipeline is provided with a switch valve.

2. The process arrangement for reducing polymer reaction gas and liquid overflow of claim 1, wherein: feed liquid scraping device includes first magnet, second magnet and scraper device, first magnet set up in first lateral wall or the outer wall of second lateral wall, second magnet set up in first lateral wall or the inner wall of second lateral wall, the scraper device with the one end of second magnet can be dismantled and be connected and be used for striking off feed liquid on the inner wall of first lateral wall or feed liquid on the inner wall of second lateral wall.

3. The process arrangement for reducing polymer reaction gas and liquid overflow of claim 2, wherein: the scraper device comprises a connecting rod and a scraper body, one end of the connecting rod is detachably connected with one end of the second magnet, the other end of the connecting rod is connected with one end of the scraper body, and the other end of the scraper body abuts against the inner wall of the first side wall or the inner wall of the second side wall.

4. A process unit for reducing polymer reaction gas and liquid overflow according to claim 3, wherein: one end of the connecting rod is provided with a plurality of buckles, and one end of the second magnet is provided with a plurality of clamping grooves matched with the buckles.

5. The process arrangement for reducing polymer reaction gas and liquid overflow of claim 4, wherein: and a handle is arranged at one end of the first magnet, which is far away from the first side wall or the second side wall.

6. The process arrangement for reducing polymer reaction gas and liquid overflow of claim 1, wherein: and a first adsorption filtering plate is arranged between the bottom of the spraying material recovery tank and the first communication pipeline.

7. The process arrangement for reducing polymer reaction gas and liquid overflow of claim 6, wherein: and a second adsorption filter plate is arranged between the top of the liquid seal tank and the liquid level of the liquid water.

8. The process arrangement for reducing polymer reaction gas and liquid overflow of claim 7, wherein: the first adsorption filter plate and the second adsorption filter plate are both made of adsorption resin.

9. The process arrangement for reducing polymer reaction gas and liquid overflow of claim 1, wherein: the bottom of the spray material recovery tank is in an inverted triangle shape.

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