CN217817709U - Internal circulation cooling equipment for polyester polyol production - Google Patents

Abstract

The utility model relates to a polyester polyol technical field, the utility model provides an inner loop cooling equipment is used in polyester polyol production, it ventilates after wetting oil pipe, in order to accelerate the evaporation of moisture, through the flash evaporation of moisture, in order to discharge the heat on the oil pipe fast, the radiating effect is improved, the power distribution box comprises a box body, the bottom of box has set firmly the oil tank, the top fixedly connected with work box of box, the fan is installed on the top of work box, the input of fan is connected with a plurality of tuber pipes, the other end of tuber pipe and the top intercommunication of work box, wet curtain is installed on the top of box, a plurality of water absorption plates of bottom fixedly connected with of wet curtain, the top that the bottom of water absorption plate runs through the box extends to the inside of box, a plurality of first vents have been seted up on the top of box, a plurality of second vents have been seted up on the box, the top of wet curtain has set firmly oil pipe, the lateral wall that the one end of oil pipe runs through the box is connected with the oil pump, the left end of box is installed.

Description

Internal circulation cooling equipment for polyester polyol production

Technical Field

The utility model relates to a polyester polyol technical field, it is concrete, relate to an inner loop cooling arrangement is used in polyester polyol production.

Background

As is well known, polyester polyol, an organic substance, is generally prepared by condensing (or transesterifying) organic dicarboxylic acid (anhydride or ester) with polyhydric alcohol (including diol) or polymerizing lactone with polyhydric alcohol, and in the reaction process of polyester polyol in a reaction kettle, the reaction kettle needs to be cooled regularly according to production needs, and the kettle body is cooled by conducting heat conduction oil to an interlayer outside the reaction kettle.

Through search, chinese patent publication No. CN215176457U, published at 12.14.2021, roughly describes a heating medium cooler for producing polyester polyol, which includes a housing and two sets of heat dissipation pipe sets with the same structure and disposed in the housing, each heat dissipation pipe set is composed of a plurality of heat dissipation sub-pipes, one ends of the plurality of heat dissipation sub-pipes are converged and then communicated with an inlet pipe, the other ends of the plurality of heat dissipation sub-pipes are converged and then communicated with an outlet pipe, the bottom of the housing is open, a blade assembly is disposed below the open, and the blade assembly is driven to rotate by a motor.

The benefit of foretell prior art scheme lies in, rotatory blade subassembly is cooled down the cooling tube group from bottom to top, but the device only bloies through the blade and accelerates near the air flow rate of cooling tube group to cooling tube group, the cooling effect is lower, when the oil temperature is overheated, and the radiating rate is slower than the speed that the cooling tube heaied up, is not convenient for quick cooling it, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an inner loop cooling arrangement is used in polyester polyol production to the radiating effect of prior art to cooling tube group that provides in the solution background art is lower, is not convenient for with heat exhaust problem fast.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an inner loop cooling arrangement is used in polyester polyol production, the power distribution box comprises a box body, the bottom of box has set firmly the oil tank, and the top fixedly connected with work box of box, the fan is installed on the top of work box, and the input of fan is connected with a plurality of tuber pipes, the other end of tuber pipe and the top intercommunication of work box, wet curtain is installed on the top of box, and a plurality of water absorption plates of bottom fixedly connected with of wet curtain, the bottom of water absorption plate run through the top of box extend to the inside of box, a plurality of first vents have been seted up on the top of box, have seted up a plurality of second vents on the box, the top of wet curtain has set firmly oil pipe, and the lateral wall that oil pipe's one end runs through the box is connected with the cooling tube, and the oil pump is installed to the left end of box, and the input and the oil tank intercommunication of oil pump, and the output and the other end of oil pipe are connected, oil pipe is kept away from to the cooling tube one end and oil tank intercommunication.

Preferably, the motor is installed to the bottom of box, and the bottom that the output of motor runs through the box is connected with the head rod, and fixed cover is equipped with first gear on the head rod, the interior lower lateral wall of box rotates and is connected with a plurality of second connecting rods, and fixed cover is equipped with the second gear on the second connecting rod, and the second gear meshes with first gear mutually, and the bottom of second gear and first gear all is connected with the brush.

Furthermore, an oil filling port and an oil discharge port are formed in the box body, transmission pipes are connected to the oil filling port and the oil discharge port, and valves are connected to the transmission pipes.

And furthermore, a filter screen is arranged on the second ventilation opening.

On the basis of the scheme, the four corners of the bottom end of the box body are fixedly connected with supporting legs, and the bottom ends of the supporting legs are fixedly connected with base plates.

Preferably, on the basis of the above scheme, the backing plate is provided with a plurality of mounting holes penetrating up and down.

(III) advantageous effects

Compared with the prior art, the utility model provides an inner loop cooling arrangement is used in polyester polyol production possesses following beneficial effect:

this interior circulative cooling equipment is used in polyester polyol production, through setting up wet curtain, so that the board that absorbs water transmits water to wet curtain on, so that wet curtain soaks oil pipe, make the fan induced draft, in order to accelerate near oil pipe air flow rate, make the moisture rapid evaporation on the oil pipe, in order to cool down oil pipe fast, the air flow is porous simultaneously, when the wet curtain surface of moistening, a large amount of moisture evaporation, the sensible heat that embodies by the temperature in the air turns into the evaporation latent heat, thereby reduce the temperature of air self, in order further to cool down oil pipe, and the heat radiating effect is improved.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of a portion A of the present invention shown in FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure of the utility model shown in FIG. 1;

FIG. 4 is a schematic top view of the oil pipe and wet curtain of the present invention;

fig. 5 is a front view of the present invention.

In the figure: 1. a box body; 2. an oil tank; 3. a work box; 4. a fan; 5. an air duct; 6. wet curtain; 7. a water absorption plate; 8. an oil pipe; 9. a radiating pipe; 10. an oil pump; 11. a motor; 12. a first gear; 13. a second gear; 14. a brush; 15. a conveying pipe; 16. a filter screen; 17. a support leg; 18. a backing plate; 19. and (7) installing holes.

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.

Examples

Referring to fig. 1-5, an internal circulation cooling device for producing polyester polyol comprises a box body 1, an oil tank 2 is fixedly arranged at the bottom end of the box body 1, a working box 3 is fixedly connected to the top end of the box body 1, a fan 4 is arranged at the top end of the working box 3, an input end of the fan 4 is connected with a plurality of air pipes 5, the other end of each air pipe 5 is communicated with the top end of the working box 3, a wet curtain 6 is arranged at the top end of the box body 1, a plurality of water absorption plates 7 are fixedly connected to the bottom end of the wet curtain 6, the bottom ends of the water absorption plates 7 penetrate through the top end of the box body 1 and extend into the box body 1, when air flows through the surface of the porous and wet curtain 6 through the cooperation of the fan 4 and the wet curtain 6, a large amount of water is evaporated, sensible heat reflected by temperature in the air is converted into latent heat of evaporation, so as to reduce the temperature of the air, a plurality of first vents have been seted up on the top of box 1, a plurality of second vents have been seted up on box 1, oil pipe 8 has set firmly on the top of wet curtain 6, the lateral wall that box 1 was run through to oil pipe 8's one end is connected with cooling tube 9, through installing cooling tube 9 to reation kettle on, the device's mounting means is prior art, cooling tube 9's function is used for transmitting the inside heat of reation kettle, oil pump 10 is installed to box 1's left end, oil pump 10's input and 2 intercommunications of oil tank, oil pump 10's the output is connected with oil pipe 8's the other end, oil pipe 8's one end and 2 intercommunications of oil tank are kept away from to cooling tube 9, through setting up oil pump 10, make oil pump 10 circulate oil tank 2 and the inside conduction oil of cooling tube 9, in order to cool down the conduction oil.

It should be further noted that, motor 11 is installed to the bottom of box 1, the bottom that the output of motor 11 runs through box 1 is connected with the head rod, fixed cover is equipped with first gear 12 on the head rod, the interior lower lateral wall of box 1 rotates and is connected with a plurality of second connecting rods, fixed cover is equipped with second gear 13 on the second connecting rod, second gear 13 meshes with first gear 12 mutually, and the bottom of second gear 13 and first gear 12 all is connected with brush 14, make motor 11 rotate through first gear 12 and the mutual cooperation of second gear 13, so that brush 14 clears up the impurity of box 1 inner wall, oiling mouth and oil drain port have been seted up on box 1, all be connected with transmission pipe 15 on oiling mouth and the oil drain port, be connected with the valve on the transmission pipe 15, install filter screen 16 on the second ventilation port, the equal fixedly connected with landing leg 17 in four corners position of box 1's bottom, the bottom fixedly connected with backing plate 18 of landing leg 17, set up a plurality of mounting holes 19 that run through from top to bottom on the backing plate 18, run through mounting hole 19 through the bolt with the device fixed to required position.

To sum up, this polyester polyol production is with inner loop cooling device's theory of operation and working process do, when using, at first remove the device to required position, then install cooling tube 9 to reation kettle on, open oil pump 10, make oil pump 10 circulate the inside conduction oil of oil tank 2 and cooling tube 9, then open fan 4, make fan 4 induced draft, in order to accelerate the air velocity near oil pipe 8, make the moisture on the oil pipe 8 evaporate fast, in order to cool down oil pipe 8 fast, when the air current is through porous, moist wet curtain 6 surface, a large amount of moisture evaporates, the sensible heat that embodies by the temperature in the air turns into evaporation latent heat, thereby reduce the temperature of air self, in order to further cool down oil pipe 8, when needing to clear up the inside of box 1, open motor 11, make motor 11 rotate through first gear 12 and the mutual cooperation of second gear 13, so that brush 14 clears up the impurity of box 1 inner wall.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.

Claims (6)

1. The utility model provides an inner loop cooling arrangement is used in polyester polyol production, includes box (1), its characterized in that: the bottom of box (1) has set firmly oil tank (2), and top fixedly connected with work box (3) of box (1), fan (4) are installed on the top of work box (3), and the input of fan (4) is connected with a plurality of tuber pipes (5), and the other end of tuber pipe (5) and the top of work box (3) communicate, wet curtain (6) are installed on the top of box (1), and a plurality of suction plates (7) of the bottom fixedly connected with of wet curtain (6), the top that the bottom of suction plate (7) runs through box (1) extends to the inside of box (1), a plurality of first vents have been seted up on the top of box (1), have seted up a plurality of second vents on box (1), the top of wet curtain (6) has set firmly oil pipe (8), and the lateral wall that the one end of oil pipe (8) runs through box (1) is connected with cooling tube (9), and oil pump (10) are installed to the left end of box (1), and the input and oil tank (2) communicate, and the output of oil pump (10) is connected with the other end of oil pipe (8), oil pump (9) are connected with the cooling tube (8) one end of oil tank (2).

2. The internal circulation cooling device for polyester polyol production according to claim 1, wherein: motor (11) are installed to the bottom of box (1), and the bottom that box (1) was run through to the output of motor (11) is connected with the head rod, and fixed cover is equipped with first gear (12) on the head rod, the interior lateral wall of box (1) rotates and is connected with a plurality of second connecting rods, and fixed cover is equipped with second gear (13) on the second connecting rod, and second gear (13) mesh with first gear (12) mutually, and the bottom of second gear (13) and first gear (12) all is connected with brush (14).

3. The internal circulation cooling device for polyester polyol production according to claim 2, wherein: an oil filling port and an oil discharge port are formed in the box body (1), transmission pipes (15) are connected to the oil filling port and the oil discharge port, and valves are connected to the transmission pipes (15).

4. The internal circulation cooling device for polyester polyol production according to claim 3, wherein: and a filter screen (16) is arranged on the second ventilation opening.

5. The internal circulation cooling device for polyester polyol production according to claim 4, wherein: the four corners of the bottom end of the box body (1) are fixedly connected with supporting legs (17), and the bottom ends of the supporting legs (17) are fixedly connected with backing plates (18).

6. The internal circulation cooling device for polyester polyol production according to claim 5, wherein: the backing plate (18) is provided with a plurality of mounting holes (19) which penetrate through the backing plate from top to bottom.

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