Carbon dioxide condensation recovery device

Abstract

The utility model provides a carbon dioxide condensation recovery device which comprises a carbon dioxide collecting tank, a first-stage compressor, a second-stage compressor and a condenser, the carbon dioxide collecting tank is fixedly connected with the air outlet end of a dry ice granulator through an air inlet pipeline, and the carbon dioxide collecting tank is connected with the first-stage compressor through a pipeline; the first-stage compressor is connected with the second-stage compressor through a pipeline, and the liquid outlet end of the second-stage compressor is communicated with the feeding end of the dry ice granulator through a backflow pipeline. Through the arrangement of the first-stage compressor and the second-stage compressor, exhausted carbon dioxide gas can be subjected to multi-stage compression, carbon dioxide is compressed into liquid, the liquid flows into the feeding end of the dry ice granulator through the backflow pipeline, recycling of carbon dioxide can be achieved, and the production cost of dry ice is effectively reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of dry ice granulation and relates to a carbon dioxide condensation recovery device. Background Art

[0002] At present, in the field of dry ice production technology, dry ice is mainly produced and processed by using liquid carbon dioxide through a dry ice granulator. When the dry ice granulator is in operation, a large amount of carbon dioxide is converted into gas and discharged. The gaseous carbon dioxide is not recycled, resulting in an increase in the raw materials for producing dry ice and an increase in the production cost of dry ice. For this reason, we have designed a carbon dioxide condensation recovery device to solve the above technical problems. Summary of the invention

[0003] The purpose of the utility model is to provide a carbon dioxide condensation recovery device to solve the problems raised in the above background technology.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a carbon dioxide condensation recovery device, including a carbon dioxide collection tank, a primary compressor, a secondary compressor and a condenser, the carbon dioxide collection tank is fixedly connected to the air outlet end of a dry ice granulator through an air intake pipe, the carbon dioxide collection tank is connected to the primary compressor pipeline, the primary compressor is connected to the secondary compressor pipeline, and the liquid outlet end of the secondary compressor is connected to the feed end of the dry ice granulator through a reflux pipe.

[0005] In the above-mentioned carbon dioxide condensation recovery device, a filter is fixedly installed in the middle of the air intake pipe.

[0006] In the above-mentioned carbon dioxide condensation recovery device, the filter comprises a packaging shell, a plurality of partitions and a filter cotton block. A plurality of partitions are installed at intervals inside the packaging shell, and a filter cotton block is fixedly installed between two adjacent partitions.

[0007] In the above-mentioned carbon dioxide condensation recovery device, an air inlet is provided at one end of the packaging shell, and an air outlet is provided at the other end of the packaging shell, and both the air inlet and the air outlet are connected to the air inlet pipe.

[0008] In the above-mentioned carbon dioxide condensation recovery device, the carbon dioxide collection tank includes an outer tank body and an inner tank body, the inner tank body is sleeved and connected inside the outer tank body, and a plurality of reinforcement rings are fixedly installed at equal intervals between the outer tank body and the inner tank body.

[0009] In the above-mentioned carbon dioxide condensation recovery device, a condenser is fixedly installed between the carbon dioxide collection tank and the first-stage compressor.

[0010] In the above-mentioned carbon dioxide condensation recovery device, a vacuum pump is fixedly installed at the bottom end of the carbon dioxide collection tank, the air inlet end of the vacuum pump is connected to the interior of the carbon dioxide collection tank, and the air outlet end of the vacuum pump is connected to the air inlet end of the condenser through a pipeline.

[0011] In the above-mentioned carbon dioxide condensation recovery device, the pressure of the first-stage compressor is 4-5 bar, and the pressure of the second-stage compressor is 18-20 bar.

[0012] Compared with the prior art, the advantages of the carbon dioxide condensation recovery device of the utility model are: through the setting of a primary compressor and a secondary compressor, the discharged carbon dioxide gas can be compressed in multiple stages, so that the carbon dioxide is compressed into liquid and flows into the feed end of the dry ice granulator through a reflux pipe, thereby realizing the recycling of carbon dioxide and effectively reducing the cost of producing dry ice. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the carbon dioxide condensation recovery device of the utility model.

[0014] Figure 2 The utility model is a schematic diagram of the filter cross-sectional structure of the carbon dioxide condensation recovery device.

[0015] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of a carbon dioxide collecting tank of a carbon dioxide condensation recovery device.

[0016] In the figure, 1. carbon dioxide collection tank; 2. primary compressor; 3. secondary compressor; 4. air intake pipe; 5. filter; 6. return pipe; 7. vacuum pump; 8. condenser; 9. packaging shell; 10. air inlet; 11. air outlet; 12. partition; 13. filter cotton block; 14. outer tank body; 15. reinforcement ring; 16. inner tank body. DETAILED DESCRIPTION

[0017] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0018] like Figure 1 , Figure 2 and Figure 3 As shown, the carbon dioxide condensation recovery device of the utility model comprises a carbon dioxide collection tank 1, a primary compressor 2, a secondary compressor 3 and a condenser 8. The carbon dioxide collection tank 1 is fixedly connected to the gas outlet end of the dry ice granulator through an air inlet pipe 4, the carbon dioxide collection tank 1 is connected to the primary compressor 2 by pipeline, the primary compressor 2 is connected to the secondary compressor 3 by pipeline, and the liquid outlet end of the secondary compressor 3 is connected to the feed end of the dry ice granulator through a reflux pipe 6.

[0019] Specifically, through the arrangement of the primary compressor 2 and the secondary compressor 3, the discharged carbon dioxide gas can be compressed in multiple stages, so that the carbon dioxide is compressed into liquid and flows into the feed end of the dry ice granulator through the reflux pipe 6, so that the carbon dioxide can be recycled and utilized, effectively reducing the cost of producing dry ice.

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, in the carbon dioxide condensation recovery device of the present invention, a filter 5 is fixedly installed in the middle of the air intake pipe 4.

[0021] The filter 5 comprises a packaging shell 9, a plurality of partitions 12 and a filter cotton block 13. A plurality of partitions 12 are installed at intervals inside the packaging shell 9, and a filter cotton block 13 is fixedly installed between two adjacent partitions 12.

[0022] Specifically, other impurities in the gas can be discharged and filtered through a plurality of filter cotton blocks 13 .

[0023] An air inlet 10 is provided at one end of the encapsulating shell 9 , and an air outlet 11 is provided at the other end of the encapsulating shell 9 . Both the air inlet 10 and the air outlet 11 are connected to the air inlet duct 4 .

[0024] like Figure 1 , Figure 2 and Figure 3 As shown, in the carbon dioxide condensation recovery device of the present invention, the carbon dioxide collection tank 1 includes an outer tank body 14 and an inner tank body 16, the inner tank body 16 is sleeved and connected to the inner tank body 14, and a plurality of reinforcement rings 15 are fixedly installed equidistantly between the outer tank body 14 and the inner tank body 16.

[0025] Specifically, the carbon dioxide collection tank 1 effectively improves the structural strength of the carbon dioxide collection tank 1 through the cooperation of the inner tank body 16 with the outer tank body 14 and the reinforcement ring 15 .

[0026] A condenser 8 is fixedly installed between the carbon dioxide collecting tank 1 and the primary compressor 2 .

[0027] An air pump 7 is fixedly installed at the bottom end of the carbon dioxide collection tank 1. The air inlet end of the air pump 7 is connected to the interior of the carbon dioxide collection tank 1, and the air outlet end of the air pump 7 is connected to the air inlet end of the condenser 8 through a pipeline.

[0028] Specifically, the gaseous carbon dioxide in the carbon dioxide collection tank 1 can be pumped into the condenser 8 for condensation treatment through the vacuum pump 7 .

[0029] The pressure of the first-stage compressor 2 is 4-5 bar, and the pressure of the second-stage compressor 3 is 18-20 bar.

[0030] In specific implementation, when using the carbon dioxide condensation recovery device, first connect the air intake pipe 4 with the air outlet end of the dry ice granulator, the gas discharged from the dry ice granulator enters the filter 5 in the middle of the air intake pipe 4, and the impurities in the exhaust gas are filtered through a plurality of filter cotton blocks 13 installed in the filter 5. The filtered carbon dioxide gas enters the carbon dioxide collection tank 1 for collection, and then the vacuum pump 7 is turned on, and the gas is pumped into the condenser 8 through the vacuum pump 7 for condensation treatment. The cooled carbon dioxide gas enters the primary compressor 2 for compression, and the carbon dioxide gas compressed by the primary compressor 2 enters the secondary compressor 3 for further compression. The secondary compressor 3 is compressed into liquid carbon dioxide, and the liquid carbon dioxide flows into the dry ice granulator through the reflux pipe 6 for continued use, which can realize the reuse of carbon dioxide, save resources, and reduce the cost of producing dry ice.

[0031] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A carbon dioxide condensation recovery device, comprising a carbon dioxide collection tank (1), a primary compressor (2), a secondary compressor (3) and a condenser (8), characterized in that: The carbon dioxide collection tank (1) is fixedly connected to the air outlet of the dry ice granulator via an air inlet pipe (4); the carbon dioxide collection tank (1) is connected to a pipeline of a primary compressor (2); the primary compressor (2) is connected to a pipeline of a secondary compressor (3); and the liquid outlet of the secondary compressor (3) is connected to a feed end of the dry ice granulator via a reflux pipe (6).

2. The carbon dioxide condensation recovery device according to claim 1, characterized in that: A filter (5) is fixedly installed in the middle of the air intake pipe (4).

3. The carbon dioxide condensation recovery device according to claim 2, characterized in that: The filter (5) comprises a packaging shell (9), a plurality of partitions (12) and a filter cotton block (13); a plurality of partitions (12) are installed at intervals inside the packaging shell (9), and a filter cotton block (13) is fixedly installed between two adjacent partitions (12).

4. The carbon dioxide condensation recovery device according to claim 3, characterized in that: An air inlet (10) is provided at one end of the encapsulation shell (9), and an air outlet (11) is provided at the other end of the encapsulation shell (9); both the air inlet (10) and the air outlet (11) are connected to an air inlet pipe (4).

5. The carbon dioxide condensation recovery device according to claim 1, characterized in that: The carbon dioxide collection tank (1) comprises an outer tank body (14) and an inner tank body (16); the inner tank body (16) is sleeved and connected inside the outer tank body (14); and a plurality of reinforcement rings (15) are fixedly installed at equal intervals between the outer tank body (14) and the inner tank body (16).

6. The carbon dioxide condensation recovery device according to claim 5, characterized in that: A condenser (8) is fixedly installed between the carbon dioxide collection tank (1) and the primary compressor (2).

7. The carbon dioxide condensation recovery device according to claim 6, characterized in that: An air pump (7) is fixedly mounted at the bottom end of the carbon dioxide collection tank (1); an air inlet end of the air pump (7) is connected to the interior of the carbon dioxide collection tank (1); and an air outlet end of the air pump (7) is connected to an air inlet end of a condenser (8) via a pipeline.

8. The carbon dioxide condensation recovery device according to claim 1, characterized in that: The pressure of the first-stage compressor (2) is 4-5 bar, and the pressure of the second-stage compressor (3) is 18-20 bar.

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