CN214553404U

CN214553404U - Pre-cooling energy-saving cooling system for reaction kettle

Info

Publication number: CN214553404U
Application number: CN202022728661.XU
Authority: CN
Inventors: 蓝广忠; 曾建江; 陈智利
Original assignee: Guangdong Liguo Pharmacy Co ltd
Current assignee: Guangdong Liguo Pharmacy Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-11-02
Anticipated expiration: 2030-11-23

Abstract

The utility model provides a pre-cooling energy-saving cooling system for reation kettle, include that the reation kettle who passes through pipeline interconnect presss from both sides the cover, heat transfer device and storage tank, be equipped with first valve on the first connecting pipe of the entry end that the reation kettle pressed from both sides the cover and the exit end of heat transfer device, be equipped with the second valve on the exit end that the reation kettle pressed from both sides the cover and the second connecting pipe of the entry end of storage tank, be equipped with the third valve on the third connecting pipe of the exit end of heat transfer device entry end and storage tank, be equipped with the delivery pump on the third connecting pipe, the third connecting pipe passes through the fourth pipe connection second connecting pipe, be equipped with the fourth valve on the fourth connecting pipe, still be equipped with the fifth valve on the third connecting pipe, the pipeline between fifth valve and the third valve passes through the fifth connecting pipe connection second connecting pipe, be equipped with the check valve on the fifth connecting pipe, still be equipped with the sixth valve on the second connecting pipe. The utility model discloses a nimble pipeline flow direction that changes current cooling system to improved reation kettle and pressed from both sides the cooling rate that overlaps, and can effectively reduce the loss of liquid nitrogen.

Description

Pre-cooling energy-saving cooling system for reaction kettle

Technical Field

The utility model relates to an energy-conserving field of chemical industry, concretely relates to precooling energy-conserving cooling system for reation kettle.

Background

The cooling system that current chemical production used generally all sets up a storage tank and heat exchanger, and the storage tank is the storage to have cooling medium, and the medium passes through the delivery pump and delivers, through the heat exchanger, lets in the end of use equipment double-layered way, and the storage tank flows back again. The medium is cooled and exchanged by a large amount of liquid nitrogen of the high-efficiency cold exchanger through continuous circulation of the delivery pump so as to achieve the purpose of cooling. The existing cooling system has low cooling speed and unsatisfactory cooling effect. Meanwhile, the existing cooling system often needs to use a large amount of liquid nitrogen to reach an extremely low temperature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pre-cooling energy-saving cooling system for reation kettle.

In order to achieve the above object, the utility model provides a following technical scheme:

a pre-cooling energy-saving cooling system for a reaction kettle comprises a reaction kettle jacket, a heat exchange device and a storage tank which are connected with each other through pipelines, wherein a first valve is arranged on a first connecting pipe between the inlet end of the reaction kettle jacket and the outlet end of the heat exchange device, a second valve is arranged on a second connecting pipe between the outlet end of the reaction kettle jacket and the inlet end of the storage tank, a third valve is arranged on a third connecting pipe between the inlet end of the heat exchange device and the outlet end of the storage tank, the heat exchange device is further connected with a liquid nitrogen input device, a delivery pump is arranged on the third connecting pipe and is positioned between the heat exchange device and the third valve, the third connecting pipe is connected with the second connecting pipe through a fourth pipeline, a fourth valve is arranged on the fourth pipeline, a fifth valve is further arranged on the third connecting pipe and is positioned between the third valve and the storage tank, the fifth valve with pipeline between the third valve passes through the fifth connecting pipe and connects the second connecting pipe, the fifth connecting pipe with the tie point of second connecting pipe is located the fourth valve with on the pipeline between the storage tank, be equipped with the check valve on the fifth connecting pipe, the current direction of check valve is for following the third connecting pipe extremely the second connecting pipe, still be equipped with the sixth valve on the second connecting pipe, the sixth valve is located the check valve with on the pipeline between the storage tank.

Furthermore, the first connecting pipe is connected with the second connecting pipe through a sixth connecting pipe, a connection point of the sixth connecting pipe and the second connecting pipe is located on a pipeline between the fourth valve and the second valve, and a seventh valve is arranged on the sixth connecting pipe. When the cooling medium is required to be filled into the jacket of the reaction tank in the early period, the first valve, the second valve, the third valve, the fifth valve, the sixth valve and the seventh valve are opened, and other valves are closed, so that the cooling medium is circulated in the passage, the amount of the cooling medium introduced into the heat exchange device is reduced, and the loss of liquid nitrogen is reduced.

Compared with the prior art, the beneficial effects of the utility model are embodied in: the utility model discloses a nimble pipeline flow direction of designing cooling system, the storage tank need not be flowed through to the cooling medium for heat transfer device only needs to cool down to the cooling medium in the pipeline in earlier stage, thereby has improved the cooling rate that reation kettle presss from both sides the cover, accelerates the production process, and can effectively reduce the loss of liquid nitrogen, has reduced manufacturing cost.

Drawings

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

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

in the reference symbols: 1. a reaction kettle jacket; 2. a heat exchange device; 21. a liquid nitrogen input device; 3. a storage tank; 4. a first connecting pipe; 41. a first valve; 5. a second connecting pipe; 51. a second valve; 52. A sixth valve; 6. a third connecting pipe; 61. a third valve; 62. a delivery pump; 63. a fifth valve; 7. a fourth conduit; 71. a fourth valve; 8. a fifth connecting pipe; 81. a one-way valve; 9. a sixth connecting pipe; 91. and a seventh valve.

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.

Referring to fig. 1, a pre-cooling energy-saving cooling system for a reaction kettle comprises a reaction kettle jacket 1, a heat exchange device 2 and a storage tank 3 which are connected with each other through a pipeline, a first valve 41 is arranged on a first connecting pipe 4 between an inlet end of the reaction kettle jacket 1 and an outlet end of the heat exchange device 2, a second valve 51 is arranged on a second connecting pipe 5 between the outlet end of the reaction kettle jacket 1 and an inlet end of the storage tank 3, a third valve 61 is arranged on a third connecting pipe 6 between the inlet end of the heat exchange device 2 and the outlet end of the storage tank 3, the heat exchange device 2 is further connected with a liquid nitrogen input device 21, a delivery pump 62 is arranged on the third connecting pipe 6, the delivery pump 62 is positioned between the heat exchange device 2 and the third valve 61, the third connecting pipe 6 is connected with the second connecting pipe 5 through a fourth pipeline 7, a fourth valve 71 is arranged on the fourth pipeline 7, a fifth valve 63 is further arranged on the third connecting pipe 6, and the fifth valve 63 is positioned between the third valve 61 and the storage tank 3, the pipeline between the fifth valve 63 and the third valve 61 is connected with the second connecting pipe 5 through a fifth connecting pipe 8, the connection point of the fifth connecting pipe 8 and the second connecting pipe 5 is located on the pipeline between the fourth valve 71 and the storage tank 3, a one-way valve 81 is arranged on the fifth connecting pipe 8, the passing direction of the one-way valve 81 is from the third connecting pipe 6 to the second connecting pipe 5, a sixth valve 52 is further arranged on the second connecting pipe 5, and the sixth valve 52 is located on the pipeline between the one-way valve 81 and the storage tank 3.

Further, the first connection pipe 4 is connected to the second connection pipe 5 through a sixth connection pipe 9, a connection point of the sixth connection pipe 9 and the second connection pipe 5 is located on a pipeline between the fourth valve 71 and the second valve 51, and a seventh valve 91 is disposed on the sixth connection pipe 9. When the cooling medium is required to be filled into the jacket of the reaction tank in the early period, the first valve 41, the second valve 51, the third valve 61, the fifth valve 63, the sixth valve 52 and the seventh valve 91 are opened, other valves are closed, and the delivery pump is opened, so that the cooling medium is fully circulated in the passage, the amount of the cooling medium introduced into the heat exchange device 2 is reduced, and the loss of liquid nitrogen is reduced.

The operation principle is as follows: when the jacket of the reaction kettle needs to be cooled, the heat exchange device is opened, the liquid nitrogen input device inputs liquid nitrogen into the heat exchange device for cooling, the fifth valve, the third valve, the first valve, the second valve, the seventh valve and the sixth valve are sequentially opened, other valves are kept closed, the delivery pump is opened, the cooling medium is enabled to be fully circulated in the passage, the amount of the cooling medium introduced into the heat exchange device is reduced, and therefore loss of the liquid nitrogen is reduced The third connection, the delivery pump, the heat exchange device, the first connection pipe, the first valve, the sixth connection pipe and the seventh valve flow back to the jacket of the reaction kettle, so that the reflux speed of the cooling medium is increased, the cooling speed is increased, the amount of the cooling medium required to be cooled by the heat exchange device is reduced, the loss of liquid nitrogen is reduced, and the energy-saving effect is achieved.

Has the advantages that: the utility model discloses a nimble pipeline flow direction of designing cooling system, the storage tank need not be flowed through to the cooling medium for heat transfer device only needs to cool down to the cooling medium in the pipeline in earlier stage, thereby has improved the cooling rate that reation kettle presss from both sides the cover, accelerates the production process, and can effectively reduce the loss of liquid nitrogen, has reduced manufacturing cost.

The above description is further detailed for the present invention with reference to specific embodiments, and it should not be construed that the embodiments of the present invention are limited to the above description. It will be apparent to those skilled in the art that various simple deductions or substitutions can be made to the above embodiments without departing from the spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pre-cooling energy-saving cooling system for a reaction kettle comprises a reaction kettle jacket, a heat exchange device and a storage tank which are connected with each other through pipelines, and is characterized in that a first valve is arranged on a first connecting pipe between the inlet end of the reaction kettle jacket and the outlet end of the heat exchange device, a second valve is arranged on a second connecting pipe between the outlet end of the reaction kettle jacket and the inlet end of the storage tank, a third valve is arranged on a third connecting pipe between the inlet end of the heat exchange device and the outlet end of the storage tank, the heat exchange device is also connected with a liquid nitrogen input device, a delivery pump is arranged on the third connecting pipe, the delivery pump is positioned between the heat exchange device and the third valve, the third connecting pipe is connected with the second connecting pipe through a fourth pipeline, a fourth valve is arranged on the fourth pipeline, and a fifth valve is also arranged on the third connecting pipe, the fifth valve is located the third valve with between the storage tank, the fifth valve with pipeline between the third valve passes through the fifth connecting pipe and connects the second connecting pipe, the fifth connecting pipe with the tie point of second connecting pipe is located the fourth valve with on the pipeline between the storage tank, be equipped with the check valve on the fifth connecting pipe, the check valve current direction is for following the third connecting pipe extremely the second connecting pipe, still be equipped with the sixth valve on the second connecting pipe, the sixth valve be located the check valve with on the pipeline between the storage tank.

2. The pre-cooling energy-saving cooling system for the reaction kettle according to claim 1, wherein the first connecting pipe is connected to the second connecting pipe through a sixth connecting pipe, a connection point of the sixth connecting pipe and the second connecting pipe is located on a pipeline between the fourth valve and the second valve, and a seventh valve is disposed on the sixth connecting pipe.