CN220111076U - Continuous production device and continuous production line of polymer polyol - Google Patents

Abstract

The utility model provides a continuous production device and a continuous production line of polymer polyol, and relates to the technical field of chemical equipment. The continuous production device comprises a tubular reactor, a tubular curing device, a material pipe and a feeding device. Wherein, the lower part of the tubular reactor is provided with a first feed inlet, and the upper part is provided with a first discharge outlet; the first feed inlet is connected with a feed pipe; the lower part of the tubular curing device is provided with a second feeding hole, and the upper part of the tubular curing device is provided with a second discharging hole; the second feeding port is connected with the first discharging port; the material pipes are arranged in a plurality of cavities of the tubular reactor and the tubular curing device at intervals in parallel, the lower ends of the material pipes are communicated with the first feed inlet, and the upper ends of the material pipes are communicated with the first discharge outlet; the feeding device is arranged on the feeding pipe. The utility model can solve the problems of incomplete reaction or excessive reaction of the reaction kettle device in the prior art, and has the effects of full and thorough reaction.

Description

Continuous production device and continuous production line of polymer polyol

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a continuous production device and a continuous production line of polymer polyol.

Background

In chemical production, the mixing and synthesis of raw materials are not separated, and the mixing and synthesis modes of the raw materials and the mixing uniformity of the raw materials in the reaction device are critical to the influence of production efficiency, production cost and product quality. A reaction vessel is a common chemical device, and a plurality of chemical raw materials are usually added into the reaction vessel, and are allowed to chemically react in the reaction vessel, so as to obtain a desired reaction product.

In the traditional reaction kettle device, due to continuous feeding of the reaction kettle in a continuous line, under the effects of stirring and circulation, a part of materials can enter the next reaction device in advance, so that the reaction is incomplete, the residual bill is higher, the smell is larger, and the later treatment difficulty is increased; part of the materials can delay the time for entering the next reactor, so that the reaction is excessive, byproducts are generated, the conversion rate of target products can be reduced under both conditions, and the n-too-distribution of the products is dispersed.

Disclosure of Invention

The utility model aims to overcome the defects of incomplete reaction or excessive reaction and low conversion rate of target products of a reaction kettle device in the prior art, thereby providing a continuous production device and a continuous production line of polymer polyol.

In order to solve the problems, the utility model provides a continuous production device which comprises a tubular reactor, a tubular curing device, a material pipe and a feeding device. Wherein, the lower part of the tubular reactor is provided with a first feed inlet, and the upper part is provided with a first discharge outlet; the first feed inlet is connected with a feed pipe; the lower part of the tubular curing device is provided with a second feeding hole, and the upper part of the tubular curing device is provided with a second discharging hole; the second feeding port is connected with the first discharging port; the material pipes are arranged in a plurality of cavities of the tubular reactor and the tubular curing device at intervals in parallel, the lower ends of the material pipes are communicated with the first feed inlet, and the upper ends of the material pipes are communicated with the first discharge outlet; the feeding device is arranged on the feeding pipe.

Optionally, the first feed inlet is arranged at the bottom of the tubular reactor, and the first discharge outlet is arranged at the top of the tubular reactor; the inner chamber of tubular reactor is equipped with the first baffle that is located the lower part and is located the second baffle on upper portion, and the first end and the first baffle of material pipe are connected, and the second end and the second baffle of material pipe are connected, all offer the mounting hole with material pipe one-to-one on first baffle and the second baffle, and the material pipe passes through the mounting hole and communicates with tubular reactor's inner chamber.

Optionally, the tubular reactor is connected with a temperature control device.

Optionally, the temperature control device comprises a heat exchange inlet and a heat exchange outlet which are arranged on the side wall of the tubular reactor, and the heat exchange inlet and the heat exchange outlet are both communicated with the inner cavity of the tubular reactor.

Optionally, the inner cavity of the tubular reactor is axially provided with a plurality of guide plates arranged at intervals, and adjacent guide plates are distributed in a staggered manner along the radial direction of the tubular reactor, so that the inner cavity of the tubular reactor forms a roundabout heat exchange channel.

Optionally, the guide plate is provided with a plurality of through holes for the material pipes to pass through, and the guide plate is sleeved on the material pipes.

Alternatively, the tubular maturation is of the same construction as the tubular reactor.

Optionally, a mixer is connected to the feed pipe.

Optionally, the feed pipe is connected with the batching cauldron, and the batching cauldron is located the upper reaches of blender, and the aftertreatment device is connected to the second discharge gate.

In another aspect, the utility model provides a continuous production line for polymer polyols, comprising a continuous production apparatus according to any one of the above technical solutions.

The utility model has the following advantages:

1. according to the technical scheme, the tubular reactor and the tubular curing device are arranged, the first feed inlet is arranged at the lower part of the tubular reactor, the first discharge outlet is arranged at the upper part of the tubular reactor, the inner cavity of the tubular reactor is provided with a plurality of parallel and spaced material pipes, materials enter the tubular reactor from the first feed inlet under the power provided by the feeding device and enter the plurality of material pipes for reaction, the materials enter the material pipes in the tubular curing device through the first feed inlet for further full reaction, the flow rate of the materials can be controlled by controlling the feeding device, and the retention time of the materials in the tubular reactor and the retention time of the materials in the tubular curing device are further controlled, so that the materials can fully and completely react in the tubular reactor and the tubular curing device, the incomplete reaction among the materials due to short retention time, the high residual list can be avoided, and the excessive reaction among the materials due to long retention time and the generation of byproducts can be avoided; in addition, the materials in the tubular reactor and the tubular curing device all run from bottom to top, and the material is quickly dropped due to gravity effect in a top-down feeding mode with the traditional reaction kettle, so that the materials are accumulated and the reaction is not thorough. Compared with the method, the feeding mode of the material is changed from bottom to top by virtue of the driving of the feeding device and the overflow effect, so that the material can slowly ascend in the material pipe, the reaction is ensured to be more complete, the generation of byproducts is reduced, the conversion rate of a target product is improved, and the viscosity, the particle size and other parameters of the product are more concentrated;

2. in the existing continuous production device comprising a reaction kettle, a stirring system and a circulating system are generally arranged, so that the power consumption is high, the production cost is high, the failure rate is high, and the continuous production progress is seriously affected by the failure of mechanical equipment. In the utility model, the tubular reactor and the tubular curing device are connected in series to form a continuous production device, and the device has no stirring system and circulating system, so that the loss of electric power can be reduced, the production cost is reduced, and the failure occurrence rate in the production process can be reduced due to the reduction of mechanical equipment, thereby ensuring the continuous production progress;

3. the tubular reactor and the tubular curing device are both connected with a temperature control device, and the inner cavity of the tubular reactor is provided with the guide plate, so that a roundabout heat exchange channel is formed in the inner cavity of the tubular reactor, the contact area between the material pipe and a heat exchange medium can be enlarged, the heat exchange medium can be fully contacted with the material pipe in the inner cavity of the tubular reactor, and the heat exchange medium can be fully contacted with the material pipe in the inner cavity of the tubular curing device, thereby improving the heat exchange efficiency, controlling the reaction temperature more rapidly and accurately, further enabling the material reaction to be more sufficient, thorough and stable, improving the conversion rate of a target product, and enabling the positive distribution of parameters such as viscosity, particle size and the like of the product to be more concentrated;

4. through setting up the blender on the inlet pipe, can make the material reentrant tubular reactor after mixing in advance react, can make the process of the reaction of material more abundant, even.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing a structure of a continuous production apparatus according to an embodiment of the present utility model;

FIG. 2 shows a schematic partial structure of a tubular reactor;

fig. 3 shows a top view of one construction of the baffle.

Reference numerals illustrate:

1. a tubular reactor; 11. a first feed port; 12. a first discharge port; 13. a heat exchange inlet; 14. a heat exchange outlet; 15. a seal head; 2. a tube-type curing device; 21. a second feed inlet; 22. a second discharge port; 3. a material pipe; 4. a feeding device; 5. a feed pipe; 6. a second separator; 7. a deflector; 71. a through hole; 8. a mixer; 9. a batching kettle; 10. a post-treatment device; 20. an overflow pipe; 30. a discharge pipe; 40. and (5) mounting a bracket.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

For the purpose of illustrating the concepts of the utility model, the drawings and detailed description are to be regarded as illustrative in nature and not as restrictive.

Example 1

A continuous production device, referring to FIGS. 1-3, comprises a tubular reactor 1, a tubular curing device 2, a material pipe 3 and a feeding device 4. Wherein, the lower part of the tubular reactor 1 is provided with a first feed inlet 11, and the upper part is provided with a first discharge outlet 12; the first feed inlet 11 is connected with a feed pipe 5; the lower part of the tubular curing device 2 is provided with a second feeding hole 21, and the upper part is provided with a second discharging hole 22; the second feed inlet 21 is connected with the first discharge outlet 12; the material pipes 3 are provided with a plurality of cavities which are arranged in the tubular reactor 1 and the tubular curing device 2 in parallel at intervals, the lower ends of the material pipes 3 are communicated with the first feeding holes 11, and the upper ends of the material pipes 3 are communicated with the first discharging holes 12; the feeding device 4 is arranged on the feeding pipe 5.

By means of the technical scheme, the tubular reactor and the tubular curing device 2 are arranged, the first feed inlet 11 is arranged at the lower part of the tubular reactor 1, the first discharge outlet 12 is arranged at the upper part of the tubular reactor 1, the inner cavity of the tubular reactor 1 is provided with a plurality of parallel and spaced material pipes 3, materials enter the tubular reactor 1 from the first feed inlet 11 under the power provided by the feeding device 4 and enter the plurality of material pipes 3 for reaction, and go upward to enter the tubular curing device 2 through the first feed pipe 5, and the materials go upward to the material pipes 3 for further full reaction, so that the flow rate of the materials can be controlled by controlling the feeding device 4, the retention time of the materials in the tubular reactor 1 and the retention time of the materials in the tubular curing device 2 can be controlled, the materials can be fully and completely reacted in the tubular reactor 1 and the tubular curing device 2, the incomplete reaction between the materials caused by short retention time, the excessive reaction between the materials caused by long retention time can be avoided, and byproducts can be avoided; in addition, the materials in the tubular reactor 1 and the tubular curing device 2 all run from bottom to top, and the materials are quickly dropped under the action of gravity in a top-down feeding mode with the traditional reaction kettle, so that the materials are accumulated and the reaction is not thorough. Compared with the method, the feeding mode of the material is changed from bottom to top by virtue of the driving and overflow functions of the feeding device 4, so that the material can slowly ascend in the material pipe 3, the reaction is ensured to be more complete, the generation of byproducts is reduced, the conversion rate of target products is improved, and the viscosity, the particle size and other parameters of the products are more concentrated.

In the existing continuous production device comprising a reaction kettle, a stirring system and a circulating system are generally arranged, so that the power consumption is high, the production cost is high, the failure rate is high, and the continuous production progress is seriously affected by the failure of mechanical equipment. In the utility model, the tubular reactor 1 and the tubular curing device 2 are connected in series to form a continuous production device, and the device has no stirring system and circulating system, so that the loss of electric power can be reduced, the production cost can be reduced, and the failure occurrence rate in the production process can be reduced due to the reduction of mechanical equipment, thereby ensuring the continuous production progress.

Specifically, the tubular reactor 1 and the tubular curing vessel 2 are arranged in parallel by the mounting bracket 40. The first discharge port 12 of the tubular reactor 1 is communicated with the second feed port 21 of the tubular curing device 2 through an overflow pipe 20, and the materials in the tubular reactor 1 can overflow into the tubular curing device 2 through the overflow pipe 20. The materials in the tubular reactor 1 and the tubular curing device 2 all run from bottom to top.

Specifically, the feeding device 4 includes a delivery pump.

Optionally, the first feed inlet 11 is arranged at the bottom of the tubular reactor 1, and the first discharge outlet 12 is arranged at the top of the tubular reactor 1; the inner chamber of tubular reactor 1 is equipped with the first baffle that is located the lower part and is located the second baffle 6 on upper portion, and the first end and the first baffle of material pipe 3 are connected, and the second end and the second baffle 6 of material pipe 3 are connected, all offer the mounting hole with material pipe 3 one-to-one on first baffle and the second baffle 6, and material pipe 3 passes through the mounting hole and communicates with tubular reactor 1's inner chamber. Specifically, referring to fig. 2, two ends of the tubular reactor 1 are connected with end caps 15, and the first partition plate and the second partition plate 6 are both disposed in the tubular reactor 1 near the end caps 15. The outer Zhou Jun of the first and second baffles 6 are fixedly connected to the inner side wall of the tubular reactor 1. The first partition board and the second partition board 6 divide the inner cavity of the tubular reactor 1 into three cavities, namely a first cavity, a middle cavity and a second cavity from bottom to top. The material pipe 3 is arranged in the middle chamber along the axial direction of the tubular reactor 1. The first feeding hole 11, the first chamber, the material pipe 3, the second chamber and the first discharging hole 12 are communicated with each other. The structure of the tube-type curing vessel 2 is the same as that of the tube-type reactor 1, and thus, the second inlet 21, the first chamber, the material tube 3, the second chamber and the second outlet 22 are communicated with each other.

Optionally, the tubular reactor 1 is connected with a temperature control device.

Optionally, the temperature control device comprises a heat exchange inlet 13 and a heat exchange outlet 14 which are arranged on the side wall of the tubular reactor 1, and the heat exchange inlet 13 and the heat exchange outlet 14 are communicated with the inner cavity of the tubular reactor 1. The heat exchange inlet 13 is used for connecting a heat exchange medium input pipeline, the heat exchange outlet 14 is used for connecting a heat exchange medium output pipeline, and the heat exchange medium input pipeline and the heat exchange medium output pipeline are respectively connected with heat exchange equipment for providing refrigeration medium or heating medium. The refrigerant medium comprises cooling water and the heat exchange medium comprises hot steam. The heat exchange medium adopts a refrigeration medium or a heating medium, and depends on whether the reaction process of the materials is exothermic or endothermic. When the reaction process of the materials is endothermic reaction, the heat exchange medium is a heating medium, and the materials are heated; when the reaction process of the materials is exothermic reaction, the heat exchange medium is a refrigeration medium, and the materials are cooled. The structure of the tubular curing device 2 is the same as that of the tubular reactor 1, that is, the tubular curing device 2 is also connected with a temperature control device, so that the temperature in the tubular reactor 1 and the tubular curing device 2 can be controlled, the material in the material pipe 3 can react more fully, the conversion rate of a target product is improved, and the viscosity, the particle size and other parameters of the product are more concentrated.

Specifically, in this embodiment, referring to fig. 1, the heat exchange inlet 13 is provided at the lower portion of the tubular reactor 1, and the heat exchange outlet 14 is provided at the upper portion of the tubular reactor 1. Further, both the heat exchange inlet 13 and the heat exchange outlet 14 are in communication with the intermediate chamber. The heat exchange medium enters the middle chamber of the tubular reactor 1 from the heat exchange inlet 13, the material enters the first chamber through the first feed inlet 11, and then enters the material pipe 3 through the mounting hole on the first partition plate, and the heat exchange medium is isolated from the material, so that the heat exchange can be carried out on the material, the reaction temperature of the material is controlled, the material is not contacted with the material, and the chemical reaction of the material is not influenced. The heat exchange medium enters the middle chamber from the heat exchange inlet 13, contacts with the material pipe 3, exchanges heat with the material in the material pipe 3, and realizes the control of the reaction temperature. In this embodiment, the material moves from bottom to top, and the heat exchange medium also moves from bottom to top. Of course, as an alternative embodiment, the heat exchange inlet 13 is disposed at the upper part of the middle chamber, the heat exchange outlet 14 is disposed at the lower part of the middle chamber, and the flow direction of the heat exchange medium is from top to bottom, which can also play a role in controlling temperature.

Optionally, the inner cavity of the tubular reactor 1 is axially provided with a plurality of guide plates 7 arranged at intervals, and the adjacent guide plates 7 are distributed in a staggered manner along the radial direction of the tubular reactor 1, so that the inner cavity of the tubular reactor 1 forms a roundabout heat exchange channel.

The tubular reactor 1 is connected with a temperature control device, through setting up guide plate 7 in the inner chamber of tubular reactor 1, make the inner chamber of tubular reactor 1 form circuitous heat transfer passageway, can enlarge the area of contact of material pipe 3 and heat transfer medium, make heat transfer medium can fully contact with material pipe 3 in the inner chamber of tubular reactor 1, also, heat transfer medium can fully contact with material pipe in the inner chamber of tubular curing ware 2, improve heat exchange efficiency, more quick and accurate control reaction temperature, further make the material reaction more abundant, thoroughly and steadily, improve the conversion rate of target product, make the just too of parameters such as viscosity, particle diameter of product distribute more intensively.

Optionally, the baffle 7 is provided with a plurality of through holes 71 for the material pipes 3 to pass through, and the baffle 7 is sleeved on the material pipes 3. Specifically, referring to fig. 3, in this embodiment, one side of the baffle 7 is arc-shaped, and is adapted to and fixedly connected with the inner wall of the tubular reactor 1, and the other side of the baffle 7 extends toward the middle of the tubular reactor 1, and a space is left between the baffle and the inner wall of the opposite side of the inner wall of the tubular reactor 1, so as to form a flow channel of the heat exchange medium. The flow channels between the guide plates 7 arranged in a staggered manner are mutually communicated to form a roundabout heat exchange channel, the guide plates 7 are used for guiding the flow direction of heat exchange media, the heat exchange media flow in the roundabout heat exchange channel, and the contact area between the heat exchange media and the material pipe 3 can be enlarged, so that the heat exchange efficiency is improved, and the quick and accurate temperature control is realized.

Of course, the shape, size and dislocation distance of the baffle 7 may be determined according to the size and structure of the actual tubular reactor 1, and the baffle 7 is not limited herein, for example, the baffle 7 is spirally dislocated along a certain spiral line from bottom to top.

Optionally, a mixer 8 is connected to the feed pipe 5. Through setting up blender 8 on inlet pipe 5, can make the material reentrant tubular reactor 1 after mixing in advance react, can make the process of the reaction of material more abundant, even. Specifically, helical blades are arranged in the mixer 8, after materials enter the mixer 8, the materials flow along with the helical blades, and the materials are fully mixed, so that the materials are uniformly mixed before entering the tubular reactor 1, and the materials can be fully reacted.

Optionally, the feeding pipe 5 is connected with a batching kettle 9, the batching kettle 9 is located upstream of the mixer 8, and the second discharging port 22 is connected with the post-treatment device 10 through a discharging pipe 30.

Specifically, the initial materials are put into the batching kettle 9, conveyed by the feeding device 4, firstly mixed by the mixer 8, then enter the tubular reactor 1 for reaction, the flow rate of the materials is controlled by the feeding device 4, so that the residence time of the materials in the tubular reactor 1 is controlled, and the reaction temperature of the materials is controlled by the temperature control device, so that the reaction process is more stable and sufficient. When the material reacts to about 70% in the tubular reactor 1, the material can enter the tubular curing device 2 for further reaction, so that the material can fully and thoroughly react, the conversion rate of a target product is improved, and the viscosity, the particle size and other parameters of the product are more concentrated.

Example 2

A continuous production line for polymer polyol comprising the continuous production apparatus described in example 1. The continuous production line of polymer polyol has all the advantages of the continuous production apparatus described in example 1 and will not be described here again.

According to the above description, the present patent application has the following advantages:

1. the material flows from bottom to top, the flowing speed of the material is controlled through the feeding device 4, the retention time of the material in the tubular reactor 1 and the tubular curing device 2 is accurately controlled, the material is ensured to react fully and not excessively, the material in the tubular reactor 1 enters the tubular curing device 2 again for further reaction, the material is enabled to react completely, the conversion rate of a target product is improved, and the positive distribution of parameters such as viscosity, particle size and the like of the product is enabled to be more concentrated;

2. the tubular reactor 1 is connected with a temperature control device, and a guide plate 7 is arranged in the inner cavity of the tubular reactor 1, so that the reaction temperature is controlled more rapidly and accurately, and the material reaction is further more sufficient, thorough and stable;

3. through setting up blender 8 on inlet pipe 5, can make the material reentrant tubular reactor 1 after mixing in advance react, can make the process of the reaction of material more abundant, even.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. A continuous production apparatus, comprising:

the device comprises a tubular reactor (1), wherein a first feed inlet (11) is arranged at the lower part of the tubular reactor (1), and a first discharge outlet (12) is arranged at the upper part of the tubular reactor (1); the first feed inlet (11) is connected with a feed pipe (5);

the tubular curing device (2) is characterized in that a second feeding hole (21) is formed in the lower part of the tubular curing device (2), and a second discharging hole (22) is formed in the upper part of the tubular curing device; the second feeding port (21) is connected with the first discharging port (12);

the material pipes (3) are arranged in a plurality, are arranged in parallel at intervals in the inner cavities of the tubular reactor (1) and the tubular curing device (2), the lower ends of the material pipes (3) are communicated with the first feeding holes (11), and the upper ends of the material pipes (3) are communicated with the first discharging holes (12);

and the feeding device (4) is arranged on the feeding pipe (5).

2. Continuous production device according to claim 1, characterized in that the first feed inlet (11) is provided at the bottom of the tubular reactor (1) and the first discharge outlet (12) is provided at the top of the tubular reactor (1); the inner cavity of the tubular reactor (1) is provided with a first partition plate positioned at the lower part and a second partition plate (6) positioned at the upper part, the first end of the material pipe (3) is connected with the first partition plate, the second end of the material pipe (3) is connected with the second partition plate (6), the first partition plate and the second partition plate (6) are provided with mounting holes corresponding to the material pipes (3) one by one, and the material pipes (3) are communicated with the inner cavity of the tubular reactor (1) through the mounting holes.

3. Continuous production device according to claim 1, characterized in that the tubular reactor (1) is connected with a temperature control device.

4. A continuous production apparatus according to claim 3, wherein the temperature control apparatus comprises a heat exchange inlet (13) and a heat exchange outlet (14) provided on the side wall of the tubular reactor (1), and the heat exchange inlet (13) and the heat exchange outlet (14) are both communicated with the inner cavity of the tubular reactor (1).

5. The continuous production device according to claim 4, wherein a plurality of guide plates (7) are axially arranged in the inner cavity of the tubular reactor (1) at intervals, and the adjacent guide plates (7) are distributed in a staggered manner along the radial direction of the tubular reactor (1), so that a roundabout heat exchange channel is formed in the inner cavity of the tubular reactor (1).

6. Continuous production device according to claim 5, characterized in that the baffle (7) is provided with a plurality of through holes (71) for the material pipes (3) to pass through, and the baffle (7) is sleeved on a plurality of the material pipes (3).

7. Continuous production plant according to any one of claims 1-6, characterized in that the structure of the tubular maturation (2) is identical to the structure of the tubular reactor (1).

8. Continuous production device according to any one of claims 1-6, characterized in that a mixer (8) is connected to the feed pipe (5).

9. Continuous production device according to claim 8, characterized in that the feed pipe (5) is connected with a batching kettle (9), the batching kettle (9) being located upstream of the mixer (8), and the second outlet (22) being connected with a post-treatment device (10).

10. A continuous production line for polymer polyols, characterized by comprising a continuous production apparatus according to any one of claims 1-9.