CN213102125U - U-shaped reactor and reaction heat exchange system with same - Google Patents

Abstract

The utility model is suitable for a chemical industry equipment field discloses a U type reactor and has heat transfer system of this U type reactor, U type reactor is including the U type reaction cell body that is used for holding the thick liquid, connect in the heat transfer cell body of the U type reaction cell body outside, be used for stirring the first stirring part and the second stirring part of thick liquid, U type reaction cell body includes first cell body and second cell body, the one end of first cell body sets up to be provided with the feed end of feed inlet, the other end of first cell body is the first intercommunication end that communicates in the second cell body; one end of the second groove body is a discharge end provided with a discharge port, and the other end of the second groove body is a second communication end communicated with the first communication end. The reaction heat exchange system comprises a heat exchange device for driving a heat exchange medium and at least two U-shaped reactors. The utility model provides a pair of U type reactor and have heat transfer system of this U type reactor, it can mix, the comparatively thick liquid of reaction, and reaction efficiency and heat exchange efficiency are high.

Description

U-shaped reactor and reaction heat exchange system with same

Technical Field

The utility model belongs to the chemical industry equipment field especially relates to a U type reactor and have reaction heat transfer system of this U type reactor.

Background

The reactor (reaction heat exchanger) is a common apparatus used in industrial production, and can mix and stir two or more raw materials to allow them to react sufficiently. And can set up the heat transfer cell body in the reaction cell body outside according to actual demand, carry out heat exchange to the reaction cell body through the heat transfer cell body to the realization is to the control of reaction tank internal temperature.

The reactors in the prior art generally adopt a tubular reactor and a tank reactor. When the tubular reactor is used for mixing and reacting some viscous slurry or solution, the slurry is not easy to flow in the tubular reactor, so that the tubular reactor is easy to block, and the reaction is influenced; the tank reactor occupies a large space, the raw materials in the tank reactor are difficult to react fully, and the reaction efficiency and the heat exchange efficiency are poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least, provide a U type reactor and have reaction heat transfer system of this U type reactor, it can mix, the comparatively thick liquid of reaction, and reaction efficiency and heat exchange efficiency height

The technical scheme of the utility model is that: a U-shaped reactor comprising:

the device comprises a U-shaped reaction tank body, a first tank body and a second tank body, wherein one end of the first tank body is provided with a feeding end provided with a feeding hole, and the other end of the first tank body is a first communicating end communicated with the second tank body; one end of the second groove body is a discharge end provided with a discharge hole, and the other end of the second groove body is a second communication end communicated with the first communication end;

the first stirring component extends into the first tank body and is used for stirring the slurry in the first tank body and pushing the slurry at the feeding end to the direction of the first communication end;

the second stirring component extends into the second tank body and is used for stirring the slurry in the second tank body and pushing the slurry at the second communication end to the direction of the discharge end;

the heat exchange tank body is connected to the outer side of the U-shaped reaction tank body, and is provided with a medium inlet for flowing in of a heat exchange medium and a medium outlet for flowing out of the heat exchange medium.

Optionally, the first stirring part comprises a first driving motor, a first blade bar driven by the first driving motor, and a first impeller connected to the first blade bar and rotating with the first blade bar; the second stirring component comprises a second driving motor, a second blade rod driven by the second driving motor and a second impeller connected to the second blade rod and rotating along with the second blade rod.

Optionally, the first impeller comprises a first upper impeller and a first lower impeller which are arranged at intervals, and the first lower impeller is close to the first communicating end; the second impeller includes impeller and second lower impeller on the second that the interval set up, the impeller is close to under the second is close to the second communicates the end.

Optionally, the first upper impeller and the second upper impeller are flush, and the second lower impeller is higher than the first lower impeller.

Optionally, the direction of rotation of the first blade shaft is opposite to the direction of rotation of the second blade shaft; or the rotating direction of the first blade bar is the same as that of the second blade bar, and the first impeller and the second impeller are opposite in direction.

Optionally, the heat exchange tank body comprises a first heat exchange tank body and a second heat exchange tank body;

the medium inlet is arranged on the second heat exchange tank body and close to the discharge end, the medium outlet is arranged on the first heat exchange tank body and close to the feed end, and one end of the first heat exchange tank body, which is far away from the medium outlet, is communicated with one end of the second heat exchange tank body, which is far away from the medium inlet;

or, the medium inlet is arranged on the second heat exchange groove body and close to the second communication end, the medium outlet is arranged on the first heat exchange groove body and close to the first communication end, and one end of the medium outlet, which is far away from the first heat exchange groove body, is communicated with one end, which is far away from the medium inlet, of the second heat exchange groove body.

Optionally, the top of the first tank body and the top of the second tank body are provided with gas outlets for gas to flow out.

Optionally, the bottom of the U-shaped reaction tank body is provided with a discharge port for flowing out slurry.

The utility model also provides a reaction heat transfer system, including heat transfer device and two at least foretell U type reactors that are used for driving heat transfer medium, U type reactor the discharge gate connect rather than adjacent U type reactor the feed inlet, heat transfer device connect in the heat transfer cell body.

Optionally, the heat exchange device comprises:

a first circulation tank connected to the medium outlet and configured to store the heat exchange medium;

the first circulating pump is connected to the first circulating tank and used for pumping out the heat exchange medium in the first circulating tank;

the temperature adjusting unit is connected to the first circulating pump and is used for adjusting the temperature of the heat exchange medium pumped out of the first circulating tank;

the second circulation tank is connected with the temperature regulating unit and used for storing the heat exchange medium regulated by the temperature regulating unit;

and the second circulating pump is connected with the second circulating tank and the medium inlet and is used for pumping the heat exchange medium in the second circulating tank into the heat exchange tank body.

The utility model provides a U-shaped reactor and a reaction heat exchange system with the U-shaped reactor, which fully stir the slurry in the U-shaped reaction tank body through a first stirring part and a second stirring part, and push the slurry from the first tank body to the second tank body, so that the slurry can fully react in the flowing process; through filling the heat transfer cell body of connecting in the U type reaction cell body outside with heat transfer medium, make the thick liquid can carry out heat exchange with heat transfer medium when reacting in U type reaction cell body, realize the effect of regulation and control thick liquid temperature. The utility model provides a U type reactor and have this U type reactor's reaction heat system, it has the practicality strong, and characteristics that reaction efficiency and heat exchange efficiency are high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a U-shaped reactor provided by an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 taken at section A-A;

fig. 3 is a left side view of a U-shaped reactor according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of another possible embodiment of a U-shaped reaction tank body of a U-shaped reactor according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second possible implementation of a heat exchange tank body of a U-shaped reactor provided in an embodiment of the present invention;

fig. 6 is a schematic diagram of a reaction heat exchange system according to an embodiment of the present invention.

In the figure:

10. a U-shaped reaction tank body; 101. a feed inlet; 102. a discharge port; 103. an air outlet; 104. a discharge port; 11. a first tank body; 111. a feeding end; 112. a first communication end; 12. a second tank body; 121. a discharge end; 122. a second communication terminal;

20. a heat exchange tank body; 201. a media inlet; 202. a media outlet; 21. a first heat exchange tank body; 22. a second heat exchange tank body;

30. a first drive motor; 31. a first blade bar; 32. a first impeller; 321. a first upper impeller; 322. a first lower impeller;

40. a second drive motor; 41. a second blade bar; 42. a second impeller; 421. a second upper impeller; 422. a second lower impeller;

50. a first circulation tank; 51. a first circulation pump; 52. a temperature adjusting unit; 53. a second circulation tank; 54. and a second circulation pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

In addition, in the embodiments of the present invention, if there are terms of orientation or positional relationship indicated by "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., it is based on the orientation or positional relationship shown in the drawings or the conventional placement state or use state, and it is only for convenience of description and simplification of the description, but does not indicate or imply that the structures, features, devices or elements referred to must have a specific orientation or positional relationship, nor must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.

As shown in fig. 1 to fig. 3, an embodiment of the present invention provides a U-shaped reactor, which includes a U-shaped reaction tank 10 for accommodating a slurry (solution), a heat exchange tank 20 connected to an outer side of the U-shaped reaction tank 10, and a first stirring component and a second stirring component for stirring the slurry, wherein the U-shaped reaction tank 10 includes a first tank 11 and a second tank 12 which are adjacently disposed, one end of the first tank 11 is set as a feeding end 111 provided with a feeding port 101, and the other end of the first tank 11 is a first communicating end 112 communicated with the second tank 12; one end of the second tank 12 is a discharge end 121 provided with a discharge port 102, the other end of the second tank 12 is a second communication end 122 communicated with the first communication end 112, and the first tank 11 and the second tank 12 are communicated through the first communication end 112 and the second communication end 122. First stirring part and second stirring part can stretch into first cell body 11 and second cell body 12 respectively and stir the thick liquid, after the thick liquid pours into first cell body 11 from feed inlet 101 of feed end 111 into, first stirring part can be with the thick liquid from feed end 111 to the direction propelling movement of first intercommunication end 112 in the stirring, because first intercommunication end 112 and second intercommunication end 122 communicate each other, when the thick liquid propelling movement to first intercommunication end 112, second intercommunication end 122 also is full of the thick liquid along with it, second stirring part alright with the thick liquid propelling movement to discharge end 121 in the second intercommunication end 122, the thick liquid alright flow out in order to follow the discharge gate 102 of discharge end 121 in order to get into process on next step. In specific application, the feeding end 111 and the discharging end 121 may be located at the upper end of the U-shaped reaction tank 10, or may be located at the lower end of the U-shaped reaction tank 10, that is, the U-shaped reaction tank 10 may be communicated at the upper end, or may be communicated at the lower end. The heat exchange tank body 20 is connected to the outer side of the U-shaped reaction tank body 10, the heat exchange tank body 20 is provided with a medium inlet 201 and a medium outlet 202, a heat exchange medium can be selected according to actual requirements in actual use, the heat exchange medium can be a high-temperature medium, such as hot water, steam and the like, and also can be a low-temperature medium, such as cooling water, liquid ammonia or liquid nitrogen and the like, namely, the heat exchange medium in the heat exchange tank body 20 can heat and preserve heat of the U-shaped reaction tank body 10, and also can cool and cool the U-shaped reaction tank body 10, when in use, the heat exchange medium is injected into the heat exchange tank body 20 from the medium inlet 201, and after the heat exchange medium flows out from the medium outlet 202 after. In this embodiment, the heat exchange tank body 20 is sleeved outside the U-shaped reaction tank body 10, and of course, in specific application, the heat exchange tank body 20 may also be a winding pipe type, that is, the heat exchange tank body 20 may also be wound outside the U-shaped reaction tank body 10. The U type reactor that this embodiment provided, thick liquid is through first stirring part and second stirring part intensive mixing and reaction, and the promotion through first stirring part and second stirring part, can make thick liquid flow in U type reaction cell body 10, can not block up in U type reaction cell body 10, and carry out heat exchange with the heat transfer medium in the heat transfer cell body 20 in the time of the reaction, make thick liquid also accomplish heat exchange at the in-process of accomplishing the reaction, it is high to have reaction efficiency, and the good characteristics of heat exchange efficiency.

In the concrete application, the feed inlet 101 and the discharge outlet 102 can be respectively provided with two or more, different raw materials can be injected into the U-shaped reaction tank body 10 through different feed inlets 101, and electromagnetic valves can be arranged at the feed inlets 101 and the discharge outlet 102, and the electromagnetic valves can control the injection rate and other parameters of the raw materials, so that the proportion of each raw material can be favorably regulated and controlled, and the backflow of mixed slurry in the U-shaped reaction tank can be prevented.

In a specific application, as another possible embodiment of the U-shaped reaction tank 10, as shown in fig. 4, in order to improve the effect of complete mixing and stirring or complete reaction of the slurry, the feeding end 111 and the discharging end 121 may be communicated, that is, the upper end and the lower end of the U-shaped reaction tank 10 are communicated, so as to form a passage similar to an O-shape. Due to the design, when the slurry flows through the first communicating end 112 and the second communicating end 122 from the feeding end 111 and reaches the discharging end 121, the feeding port 101 and the discharging port 102 are closed, so that the slurry gathered at the discharging end 121 can return to the feeding end 111 again under the action of the first stirring component and enter the next circulation, and after the slurry is completely and uniformly stirred or completely reacted through a plurality of circulations, the discharging port 102 is opened to discharge the slurry out of the U-shaped reaction tank 10. Of course, two or more U-shaped reaction tanks 10 may be connected in series to perform a multi-stage reaction, so that the slurry is completely and uniformly stirred or the reaction is completed.

Specifically, as shown in fig. 1, the first stirring member includes a first driving motor 30, a first blade bar 31 connected to the first driving motor 30, and a first impeller 32 connected to the first blade bar 31, the first driving motor 30 can drive the first blade bar 31 to rotate, and the first impeller 32 can rotate with the first blade bar 31, so as to stir the slurry in the first tank 11; the second stirring member includes a second driving motor 40, a second blade 41 connected to the second driving motor 40, and a second impeller 42 connected to the second blade 41, the second driving motor 40 may drive the second blade 41 to rotate, and the second impeller 42 may rotate with the second blade 41, thereby stirring the slurry in the second tank 12. After the slurry is injected into the first tank 11, the first impeller 32 rotates along with the first blade bar 31 and cooperates with gravity to drive the slurry near the first impeller 32 to flow towards the first communicating end 112, so that the slurry at the feeding end 111 flows to the first communicating end 122 and the second communicating end 122 continuously, the second impeller 42 rotates along with the second blade bar 41 to drive the second communicating end 122 and the slurry near the second communicating end to flow towards the discharging end 121, so that the slurry at the second communicating end 122 and the slurry near the second communicating end flows to the discharging end 121, and then the discharging port 102 can be opened according to requirements, so that the slurry after mixing and stirring or reaction is fed into the next process.

Specifically, as shown in fig. 1, the first impeller 32 includes a first upper impeller 321 and a first lower impeller 322 which are arranged at an interval, the first upper impeller 321 and the first lower impeller 322 are arranged at an interval from top to bottom, the first upper impeller 321 is close to the feeding end 111, the first lower impeller 322 is close to the first communicating end 112, the first upper impeller 321 and the first lower impeller 322 are in the same orientation, and both are in the direction of the first communicating end 112, it should be explained that the orientation of the impeller in this embodiment refers to an axial flow direction when the impeller rotates, that is, a direction of fluid flow near the impeller when the impeller rotates counterclockwise. In this embodiment, the U-shaped reaction tank 10 is arranged in a regular U shape, that is, the upper end of the first tank 11 is a feeding end 111, and the lower end of the first tank 11 is a first communicating end; the upper end of the second tank 12 is a discharge end 121, the lower end of the second tank 12 is a second communication end 122, and the first tank 11 and the second tank 12 are communicated through the first communication end 112 and the second communication end 122. The first upper impeller 321 can drive the slurry at the feeding end 111 and the vicinity thereof to flow towards the first lower impeller 322 while rotating and stirring, and the second lower impeller 422 can continue to drive the slurry from the first upper impeller 321 to flow towards the first communicating end 112, so that the slurry fills the first communicating end 112 and the second communicating end 122; impeller 421 and second lower impeller 422 are gone up to the second impeller 42 including the second that the interval set up, impeller 421 and second lower impeller 422 upper and lower interval set up on the second, impeller 421 is close to in discharge end 121 on the second, impeller 422 is close to in second communicating end 122 under the second, impeller 421 and second lower impeller 422's orientation is the same, both all are towards second communicating end 122 on the second, and second two-blade rod 41 clockwise rotation, impeller 421 is close to in discharge end 121 on the second, impeller 422 is close to in second communicating end 122 under the second. The second lower impeller 422 can drive the slurry at the second communicating end 122 and the vicinity thereof to flow towards the second upper impeller 421 while rotating and stirring, and the second upper impeller 421 can continue to drive the slurry from the second lower impeller 422 to flow towards the discharge end 121, so that the slurry flows to the discharge end 121. By adopting the design, the slurry in the U-shaped reaction tank body 10 can flow along the U shape and is continuously stirred while flowing, so that the slurry can be fully mixed and reacted.

In specific application, the number of the first impeller 32 and the second impeller 42 can be properly increased or decreased according to the size of the U-shaped reaction tank and the viscosity and weight of slurry reacted by the U-shaped reaction tank, and one or more impellers can be arranged to meet production requirements.

Specifically, as shown in fig. 1, the feeding end 111 and the discharging end 121 are flush, and the first upper impeller 321 and the second upper impeller 421 are flush, that is, the first upper impeller 321 and the second upper impeller 421 are at the same level, and the second lower impeller 422 is higher than the first lower impeller 322. In this embodiment, since the second impeller 42 needs to overcome the gravity to drive the slurry at the second communicating end 122 to the discharging end 121, the second lower impeller 422 is located closer to the second upper impeller 421, which is beneficial to pushing the slurry from the lower position (the second communicating end 122) to the higher position (the discharging end 121).

Specifically, as shown in fig. 1, the first impeller 32 and the second impeller 42 are oriented in the same direction, and the rotation direction of the first blade shaft 31 is opposite to the rotation direction of the second blade shaft 41. In this embodiment, the first impeller 32 and the second impeller 42 face the first communicating end 112 and the second communicating end 122, respectively, that is, both face the lower end of the U-shaped reaction tank 10, and the first impeller 32 rotates in the counterclockwise direction and the second impeller 42 rotates in the clockwise direction. Of course, in a specific application, the rotation direction of the first blade bar 31 and the rotation direction of the second blade bar 41 may be the same, but the orientations of the first impeller 32 and the second impeller 42 need to be opposite, for example, the first blade bar 31 and the second blade bar 41 both rotate counterclockwise, the first impeller 32 faces the first communicating end 112, and the second impeller 42 faces the discharging end 121, so that the same technical effects as those of the present embodiment can be achieved.

Specifically, as shown in fig. 1, the heat exchange tank 20 includes a first heat exchange tank 21 and a second heat exchange tank 22, and the first heat exchange tank 21 and the second heat exchange tank 22 may be separated by a partition (not shown in the figure). As a first possible implementation manner of the heat exchange tank 20 in this embodiment, as shown in fig. 1, the medium inlet 201 is disposed in the second heat exchange tank 22 and close to the discharge end 121, the medium outlet 202 is disposed in the first heat exchange tank 21 and close to the feed end 111, one end of the first heat exchange tank 21, which is far away from the medium outlet 202, is communicated with one end of the second heat exchange tank 22, which is far away from the medium inlet 201, that is, the medium inlet 201 and the medium outlet 202 are disposed at the upper end of the heat exchange tank 20, and the lower end of the heat exchange tank 20 is communicated. The heat exchange medium is injected into the second heat exchange tank 22 from the medium inlet 201, and in the process that the heat exchange medium flows through the lower end of the second heat exchange tank 22 (i.e., close to the second communicating end 122) from the upper end of the second heat exchange tank 22 (i.e., close to the discharge end 121), the heat exchange medium can complete heat exchange with the slurry in the second tank 12, and then the heat exchange medium can flow to the upper end of the first heat exchange tank 21 (i.e., close to the feed end 111) from the lower end of the first heat exchange tank 21 (i.e., close to the first communicating end 112) and flow out from the medium outlet 202, and complete heat exchange with the slurry in the first tank 11 in the process. The flowing direction of the heat exchange medium in the heat exchange tank body 20 is opposite to the flowing direction of the slurry in the U-shaped reactor, so that convection is formed, the heat exchange effect can be effectively improved, and the temperature regulation and control of the slurry in the U-shaped reactor are realized.

Specifically, as shown in fig. 5, as a second possible implementation manner of the heat exchange tank 20 in this embodiment, the medium inlet 201 is disposed in the second heat exchange tank 22 and is close to the second communicating end 122, the medium outlet 202 is disposed in the first heat exchange tank 21 and is close to the first communicating end 112, one end of the first heat exchange tank 21, which is far away from the medium outlet 202, is communicated with one end of the second heat exchange tank 22, which is far away from the medium inlet 201, that is, the medium inlet 201 and the medium outlet 202 are disposed at the lower end of the heat exchange tank 20, and the upper end of the heat exchange tank 20 is communicated. This also allows the heat exchange medium to be efficiently heat exchanged with the slurry.

Specifically, as shown in fig. 1, the tops of the first tank 11 and the second tank 12 are provided with gas outlets 103 for flowing out gas. Slurry may generate some gases in the reaction process, and the gases may flow out from the gas outlet 103, and the gas outlet 103 may be connected to a corresponding collecting device, so that on one hand, gas pollution to air may be avoided, which is beneficial to environmental protection, and on the other hand, collected gases may be recycled, thereby reducing cost.

In specific application, the gas outlet 103 can also be used as a feeding port 101 or a discharging port 102, that is, raw materials can be injected into the U-shaped reaction tank body 10 from the gas outlet 103, or slurry is discharged from the gas outlet 103, so that one object has multiple purposes.

Specifically, as shown in fig. 1, a drain 104 for flowing out the slurry is provided at the bottom of the U-shaped reaction tank 10. When the U-shaped reaction tank 10 is maintained or cleaned, the discharge port 104 can be opened, so that slurry or other liquid in the U-shaped reaction tank 10 flows out of the discharge port 104, and the operation of a worker is facilitated.

The embodiment of the utility model provides a still provide a reaction heat transfer system, as shown in fig. 6, including heat transfer device and the foretell U type reactor of two at least two that are used for driving heat transfer medium, the discharge gate 102 of U type reactor is connected in the feed inlet 101 rather than adjacent U type reactor, heat transfer device's one end is connected in the medium entry 201 of U type reactor, the medium export 202 of this U type reactor is connected in the medium entry 201 rather than adjacent U type reactor, heat transfer device's the other end is connected in the medium export 202 that is located terminal U type reactor. Through the serial connection of a plurality of U-shaped reactors, the purposes of multistage reaction and multistage heat exchange of slurry can be realized.

Specifically, as shown in fig. 6, the heat exchange device includes a first circulation tank 50, a second circulation tank 53, a first circulation pump 51, a second circulation pump 54 and a temperature adjusting unit 52, wherein the first circulation tank 50, the first circulation pump 51, the temperature adjusting unit 52, the second circulation tank 53, the second circulation pump 54 and the U-shaped reactor are sequentially connected end to end. The first circulation tank 50 is used for storing the heat exchange medium which flows out from the medium outlet 202 and has completed heat exchange, the first circulation pump 51 can pump the heat exchange medium in the first circulation tank 50 into the temperature adjusting unit 52, and the temperature adjusting unit 52 can adjust the temperature of the heat exchange medium which has completed heat exchange again, such as heating or cooling; after the temperature adjustment of the temperature adjustment unit 52 is completed, the heat exchange medium is stored in the second circulation tank 53, and the second circulation pump 54 can pump the heat exchange medium in the second circulation tank 53 into the heat exchange tank body 20 in the U-shaped reactor from the medium inlet 201 to perform heat exchange; after the heat exchange is completed, the heat exchange medium flows out from the medium outlet 202 again, and the cycle is completed.

The embodiment of the utility model provides a U type reactor and have reaction heat transfer system of this U type reactor can be applied to the chemical industry field, for example the fertilizer field, particularly, it can be applied to the leaching reaction of phosphorite chemistry ore dressing technology, the calcium nitrate crystallization of freezing method nitric acid fertilizer and the polymerization of polyphosphate etc.. When in use, the slurry in the U-shaped reaction tank body 10 is fully stirred by the first stirring part and the second stirring part, and the slurry is pushed into the second tank body 12 from the first tank body 11, so that the slurry can fully react in the flowing process; through filling the heat exchange medium into the heat exchange tank body 20 connected to the outer side of the U-shaped reaction tank body 10, the slurry can be subjected to heat exchange with the heat exchange medium while reacting in the U-shaped reaction tank body 10, and the effect of regulating and controlling the temperature of the slurry is realized. The utility model provides a U type reactor and have this U type reactor's reaction heat system, it has the practicality strong, and characteristics that reaction efficiency and heat exchange efficiency are high.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. A U-shaped reactor, comprising:

the device comprises a U-shaped reaction tank body, a first tank body and a second tank body, wherein one end of the first tank body is provided with a feeding end provided with a feeding hole, and the other end of the first tank body is a first communicating end communicated with the second tank body; one end of the second groove body is a discharge end provided with a discharge hole, and the other end of the second groove body is a second communication end communicated with the first communication end;

the first stirring component extends into the first tank body and is used for stirring the slurry in the first tank body and pushing the slurry at the feeding end to the direction of the first communication end;

the second stirring component extends into the second tank body and is used for stirring the slurry in the second tank body and pushing the slurry at the second communication end to the direction of the discharge end;

the heat exchange tank body is connected to the outer side of the U-shaped reaction tank body, and is provided with a medium inlet for flowing in of a heat exchange medium and a medium outlet for flowing out of the heat exchange medium.

2. A U-shaped reactor according to claim 1, wherein the first stirring member comprises a first driving motor, a first blade bar driven by the first driving motor, and a first impeller connected to the first blade bar and rotating with the first blade bar; the second stirring component comprises a second driving motor, a second blade rod driven by the second driving motor and a second impeller connected to the second blade rod and rotating along with the second blade rod.

3. A U-shaped reactor according to claim 2, wherein said first impeller comprises a first upper impeller and a first lower impeller spaced apart from each other, said first lower impeller being adjacent to said first communicating end; the second impeller includes impeller and second lower impeller on the second that the interval set up, the impeller is close to under the second is close to the second communicates the end.

4. A U-shaped reactor according to claim 3, wherein said first upper impeller and said second upper impeller are flush, and said second lower impeller is higher than said first lower impeller.

5. A U-shaped reactor according to claim 2, wherein the first blade shaft rotates in the opposite direction to the second blade shaft; or the rotating direction of the first blade bar is the same as that of the second blade bar, and the first impeller and the second impeller are opposite in direction.

6. A U-shaped reactor as claimed in any one of claims 1 to 5, wherein the heat exchange tank body comprises a first heat exchange tank body and a second heat exchange tank body;

the medium inlet is arranged on the second heat exchange tank body and close to the discharge end, the medium outlet is arranged on the first heat exchange tank body and close to the feed end, and one end of the first heat exchange tank body, which is far away from the medium outlet, is communicated with one end of the second heat exchange tank body, which is far away from the medium inlet;

or, the medium inlet is arranged on the second heat exchange groove body and close to the second communication end, the medium outlet is arranged on the first heat exchange groove body and close to the first communication end, and one end of the medium outlet, which is far away from the first heat exchange groove body, is communicated with one end, which is far away from the medium inlet, of the second heat exchange groove body.

7. A U-shaped reactor as claimed in any one of claims 1 to 5, wherein gas outlets for gas outflow are provided at the top of the first tank and the second tank.

8. A U-shaped reactor as claimed in any one of claims 1 to 5, wherein a discharge port for discharging slurry is provided at the bottom of the U-shaped reaction tank body.

9. A reaction heat exchange system comprises a heat exchange device for driving a heat exchange medium, and is characterized by further comprising at least two U-shaped reactors as claimed in any one of claims 1 to 8, wherein the discharge port of each U-shaped reactor is connected with the adjacent feed port of the U-shaped reactor, and the heat exchange device is connected with the heat exchange tank body.

10. A reactive heat exchange system of claim 9, wherein said heat exchange means comprises:

a first circulation tank connected to the medium outlet and configured to store the heat exchange medium;

the first circulating pump is connected to the first circulating tank and used for pumping out the heat exchange medium in the first circulating tank;

the temperature adjusting unit is connected to the first circulating pump and is used for adjusting the temperature of the heat exchange medium pumped out of the first circulating tank;

the second circulation tank is connected with the temperature regulating unit and used for storing the heat exchange medium regulated by the temperature regulating unit;

and the second circulating pump is connected with the second circulating tank and the medium inlet and is used for pumping the heat exchange medium in the second circulating tank into the heat exchange tank body.

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