CN209906687U - Vacuum buffer device of polyester polyol production equipment - Google Patents

Abstract

The utility model discloses a vacuum buffer of polyester polyol production facility, including vacuum buffer tank, 2XZ-2 vacuum pump, separator, feed liquor pipe and sealed lid, the bottom fixed mounting of vacuum buffer tank has the fixed landing leg of four equidistance of group, the position department fixed mounting at top has separator in the vacuum buffer tank, the top fixed mounting of vacuum buffer tank one side has the feed liquor pipe, the top fixed mounting that feed liquor pipe one side was kept away from at the vacuum buffer tank top has the gas outlet. The utility model discloses set up the active carbon otter board, can adsorb some harmful gas that carry in the polyester polyol liquid through the active carbon otter board, avoid discharging into the external world harmful gas, cause the pollution to the environment, this polyester polyol production facility's vacuum buffer has set up the walking wheel, is convenient for people through the walking wheel and removes vacuum buffer tank, uses convenient and fast more.

Description

Vacuum buffer device of polyester polyol production equipment

Technical Field

The utility model relates to a polyester polyol production technical field specifically is a vacuum buffer of polyester polyol production facility.

Background

Polyester polyols (polyester polyols) in daily life include conventional polyester polyols, polycaprolactone polyols and polycarbonate diols, which contain ester groups or carbonate groups, but in practice, polyester polyols are usually obtained by polycondensation of dicarboxylic acids and diols, and are one of the main raw materials of polyester polyurethanes, and are classified into aliphatic polyols and aromatic polyols according to the presence or absence of benzene rings, wherein aliphatic polyols mainly comprise adipic acid-based polyester diols, and in a polyester polyol production facility, a vacuum buffer tank is an important component of the polyester polyol production facility, and mainly plays a role in buffering the polyester polyols to discharge gas in the polyester polyol liquid.

When the existing vacuum buffer tank is used, polyester polyol needs to be discharged into the vacuum buffer tank at first, the polyester polyol can have impurities, the impurities in the polyester polyol cannot be filtered, and partial harmful gas can exist in the gas carried in the polyester polyol liquid, so that the environment pollution can be caused when the polyester polyol liquid is discharged into the air.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyester polyol production facility's vacuum buffer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polyester polyol production facility's vacuum buffer, includes vacuum buffer tank, 2XZ-2 vacuum pump, separator, feed liquor pipe and sealed lid, the bottom fixed mounting of vacuum buffer tank has the fixed landing leg of four equidistance of group, the position department fixed mounting at top in the vacuum buffer tank has separator, the top fixed mounting of vacuum buffer tank one side has the feed liquor pipe, the top fixed mounting that feed liquor pipe one side was kept away from at vacuum buffer tank top has the gas outlet, the fixed surface of gas outlet installs the second valve, the bottom fixed mounting of vacuum buffer tank one side has 2XZ-2 vacuum pump, the input of 2XZ-2 vacuum pump passes through hose and gas outlet fixed connection, the top fixed mounting of vacuum buffer tank has sealed lid.

Preferably, the inner top of the separation device is fixedly provided with an activated carbon screen plate, the central position inside the separation device is fixedly provided with a second filter screen plate, and the bottom of the separation device is fixedly provided with a first filter screen plate.

Preferably, the bottom of the surface of the 2XZ-2 vacuum pump is provided with a heat dissipation hole, one side of the 2XZ-2 vacuum pump is fixedly provided with a mounting seat, the central position of one side of the 2XZ-2 vacuum pump, which is far away from the mounting seat, is fixedly provided with a set-top box, and one side of the set-top box is fixedly provided with a remote controller and a plug through a lead.

Preferably, a safety valve is fixedly mounted on one side of the top of the sealing cover through a valve seat, an instrument panel is fixedly mounted at the central position of the top of the sealing cover through a dial plate seat, and a sealing gasket is fixedly mounted at the bottom of the sealing cover.

Preferably, the central position department fixed mounting of vacuum buffer tank bottom has the discharging pipe, and the fixed surface of discharging pipe installs first valve, and the surface of first valve is equipped with anti-skidding line.

Preferably, the bottom of the fixed supporting leg is fixedly provided with a mounting head, and a travelling wheel is fixedly mounted in the mounting head through a rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: this polyester polyol production facility's vacuum buffer has set up first filter screen board and second filter screen board, when polyester polyol is discharged into vacuum buffer tank inside through the feed liquor pipe, filter the impurity that the otter board can be to in the polyester polyol liquid through first filter screen board and second, guarantee polyester polyol's purity, this polyester polyol production facility's vacuum buffer has set up the active carbon otter board, can adsorb some harmful gas that carry in the polyester polyol liquid through the active carbon otter board, avoid discharging harmful gas into the external world, cause the pollution to the environment, this polyester polyol production facility's vacuum buffer has set up the walking wheel, be convenient for people to remove vacuum buffer tank through the walking wheel, it is convenient and fast more to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural view of the separating device of the present invention;

FIG. 3 is a schematic diagram of a 2XZ-2 vacuum pump according to the present invention;

FIG. 4 is a view showing the structure of the sealing cover of the present invention;

in the figure: 1. a vacuum buffer tank; 2. fixing the supporting legs; 3. a mounting head; 4. a traveling wheel; 5. a discharge pipe; 6. anti-skid lines; 7. a first valve; 8. a 2XZ-2 vacuum pump; 801. a mounting seat; 802. a set-top box; 803. a remote controller; 804. a plug; 805. heat dissipation holes; 9. a separation device; 901. a first filter screen plate; 902. a second filter screen plate; 903. an activated carbon screen plate; 10. an air outlet; 11. a second valve; 12. a liquid inlet pipe; 13. a sealing cover; 1301. a safety valve; 1302. a valve seat; 1303. an instrument panel; 1304. a dial seat; 1305. a gasket is provided.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

Referring to fig. 1-4, the present invention provides an embodiment: a vacuum buffer device of polyester polyol production equipment comprises a vacuum buffer tank 1, a 2XZ-2 vacuum pump 8, a separation device 9, a liquid inlet pipe 12 and a sealing cover 13, wherein four groups of equidistant fixed supporting legs 2 are welded at the bottom of the vacuum buffer tank 1, the vacuum buffer tank 1 is fixedly supported by the fixed supporting legs 2, the liquid inlet pipe 12 is welded at the top of one side of the vacuum buffer tank 1, polyester polyol is discharged into the vacuum buffer tank 1 through the liquid inlet pipe 12, a gas outlet 10 is welded at the top of one side, far away from the liquid inlet pipe 12, of the top of the vacuum buffer tank 1, a second valve 11 is fixedly installed on the surface of the gas outlet 10 through a threaded structure, the 2XZ-2 vacuum pump 8 is fixedly installed at the bottom of one side of the vacuum buffer tank 1 through bolts, the input end of the 2XZ-2 vacuum pump 8 is fixedly connected with the gas outlet 10 through a hose, after, twist and move second valve 11, 2XZ-2 vacuum pump 8 sucks vacuum buffer tank 1 through gas outlet 10, vacuum buffer tank 1 inside atmospheric pressure is low excessively, receive the extrusion of external atmospheric pressure, the inside gas of polyester polyol liquid also can be extruded, then be taken out by 2XZ-2 vacuum pump 8, there is sealed lid 13 at vacuum buffer tank 1's top through bolt fixed mounting, sealed lid 13 seals vacuum buffer tank 1, there is separator 9 at the position department at top in vacuum buffer tank 1 through bolt fixed mounting, separator 9 filters the impurity in the polyester polyol, when the inside gas of polyester polyol is sucked, separator 9 adsorbs harmful gas, avoid harmful gas to discharge into the external world and cause environmental pollution.

Further, an activated carbon screen plate 903 is welded at the inner top of the separation device 9, the activated carbon screen plate 903 adsorbs and filters harmful gas in the sucked gas, a second filter screen plate 902 is welded at the central position inside the separation device 9, a first filter screen plate 901 is welded at the bottom of the separation device 9, the aperture of the first filter screen plate 901 is smaller than that of the second filter screen plate 902, and impurity filtering is performed through the second filter screen plate 902 and the first filter screen plate 901.

Further, the bottom of the surface of the 2XZ-2 vacuum pump 8 is provided with a heat dissipation hole 805, the heat dissipation hole 805 dissipates heat generated when the 2XZ-2 vacuum pump 8 works, one side of the 2XZ-2 vacuum pump 8 is welded with a mounting seat 801, the 2XZ-2 vacuum pump 8 is fixedly installed at one side of the vacuum buffer tank 1 through the mounting seat 801, a set top box 802 is fixedly installed at the central position of one side, away from the mounting seat 801, of the 2XZ-2 vacuum pump 8 through bolts, a remote controller 803 and a plug 804 are fixedly installed at one side of the set top box 802 through a lead, the 2XZ-2 vacuum pump 8 is connected with a power supply through the plug 804, and the working state of the 2XZ-2 vacuum pump 8.

Further, one side at the top of the sealing cover 13 is fixedly provided with a safety valve 1301 through a valve seat 1302, the safety valve 1301 is screwed to adjust the air pressure inside the vacuum buffer tank 1, the central position of the top of the sealing cover 13 is fixedly provided with an instrument panel 1303 through a dial seat 1304, the air pressure inside the vacuum buffer tank 1 is displayed through the instrument panel 1303, a sealing gasket 1305 is adhered to the bottom of the sealing cover 13, and the sealing gasket 1305 seals the seam between the sealing cover 13 and the vacuum buffer tank 1.

Further, the welding of the central point department of 1 bottom in vacuum buffer tank has discharging pipe 5, and the surface of discharging pipe 5 has first valve 7 through helicitic texture fixed mounting, twists first valve 7, discharges the inside polyester polyol of vacuum buffer tank 1 through discharging pipe 5, and the surface of first valve 7 is equipped with anti-skidding line 6, and anti-skidding line 6 prevents that people from appearing sliding when twisting first valve 7.

Furthermore, the bottom welding of fixed landing leg 2 has installation head 3, and there is walking wheel 4 inside installation head 3 through axis of rotation fixed mounting, and the people of being convenient for through walking wheel 4 remove vacuum buffer tank 1.

The working principle is as follows: when the vacuum buffer tank is used, a power supply of a 2XZ-2 vacuum pump 8 is connected through a plug 804, then polyester polyol is discharged into the vacuum buffer tank 1 through a liquid inlet pipe 12, then the 2XZ-2 vacuum pump 8 is controlled to work through a remote controller 803, the 2XZ-2 vacuum pump 8 pumps out gas in the vacuum buffer tank 1, then gas carried in the polyester polyol is discharged, then the internal pressure of the vacuum buffer tank 1 is released through a safety valve 1301, then a first valve 7 is screwed, and the polyester polyol is discharged through a discharge pipe 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a polyester polyol production facility's vacuum buffer, includes vacuum buffer tank (1), 2XZ-2 vacuum pump (8), separator (9), feed liquor pipe (12) and sealed lid (13), its characterized in that: the bottom fixed mounting of vacuum buffer tank (1) has fixed landing leg (2) of four equidistance of group, the position department fixed mounting at top has separator (9) in vacuum buffer tank (1), the top fixed mounting of vacuum buffer tank (1) one side has feed liquor pipe (12), the top fixed mounting that feed liquor pipe (12) one side was kept away from at vacuum buffer tank (1) top has gas outlet (10), the fixed surface of gas outlet (10) installs second valve (11), the bottom fixed mounting of vacuum buffer tank (1) one side has 2XZ-2 vacuum pump (8), the input of 2XZ-2 vacuum pump (8) passes through hose and gas outlet (10) fixed connection, the top fixed mounting of vacuum buffer tank (1) has sealed lid (13).

2. The vacuum buffer device of polyester polyol production equipment according to claim 1, wherein: the inner top of the separation device (9) is fixedly provided with an activated carbon screen plate (903), the central position inside the separation device (9) is fixedly provided with a second filter screen plate (902), and the bottom of the separation device (9) is fixedly provided with a first filter screen plate (901).

3. The vacuum buffer device of polyester polyol production equipment according to claim 1, wherein: the vacuum pump is characterized in that a heat dissipation hole (805) is formed in the bottom of the surface of the 2XZ-2 vacuum pump (8), a mounting seat (801) is fixedly mounted on one side of the 2XZ-2 vacuum pump (8), a set top box (802) is fixedly mounted at the central position of one side, far away from the mounting seat (801), of the 2XZ-2 vacuum pump (8), and a remote controller (803) and a plug (804) are fixedly mounted on one side of the set top box (802) through a lead.

4. The vacuum buffer device of polyester polyol production equipment according to claim 1, wherein: one side at sealed lid (13) top has safety valve (1301) through valve seat (1302) fixed mounting, the central point department at sealed lid (13) top has panel board (1303) through panel board seat (1304) fixed mounting, the bottom fixed mounting of sealed lid (13) has sealing washer (1305).

5. The vacuum buffer device of polyester polyol production equipment according to claim 1, wherein: the vacuum buffer tank is characterized in that a discharging pipe (5) is fixedly mounted at the central position of the bottom of the vacuum buffer tank (1), a first valve (7) is fixedly mounted on the surface of the discharging pipe (5), and anti-skid grains (6) are arranged on the surface of the first valve (7).

6. The vacuum buffer device of polyester polyol production equipment according to claim 1, wherein: the bottom of fixed landing leg (2) is fixed and is installed installation head (3), and the inside of installation head (3) has walking wheel (4) through axis of rotation fixed mounting.

Images