CN216498455U

CN216498455U - Improved generation graphite absorber

Info

Publication number: CN216498455U
Application number: CN202123311155.1U
Authority: CN
Inventors: 杨绍平; 王静; 吴晓宇
Original assignee: Chengdu Hegui Heat Exchanger Co ltd
Current assignee: Chengdu Hegui Heat Exchanger Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-13
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to an improved graphite absorber, which comprises a shell, an upper end enclosure, a lower end enclosure and a plurality of graphite blocks, wherein the graphite blocks are installed in the shell in a stacking manner, the upper side part and the lower side part of the shell are respectively provided with a cooling water inlet and a cooling water outlet, the upper end enclosure and the lower end enclosure are respectively and detachably installed at the upper end and the lower end of the shell, a plurality of flow pipes are inserted and arranged in the graphite blocks side by side, the upper end enclosure is communicated with the lower end enclosure through the flow pipes, the upper end of the upper end enclosure is provided with an air inlet channel, one side of the upper end enclosure is provided with a liquid channel, the air inlet channel is communicated with the liquid channel, the air inlet channel is internally provided with a flow baffle plate, the inner side wall of the air inlet channel is also provided with a splashing hole, the splashing hole is right opposite to the liquid channel, the lower end enclosure is provided with a liquid outlet, and the side part of the lower end enclosure is provided with a tail gas outlet. The utility model arranges a baffle plate in the air inlet channel to prevent the absorbing liquid from gushing out from the air inlet channel and sputtering into the pipeline of the air inlet channel to cause incomplete gas-liquid reaction.

Description

Improved generation graphite absorber

Technical Field

The utility model relates to the technical field of absorbers, in particular to an improved graphite absorber.

Background

The graphite falling-film absorber (graphite falling-film absorber) refers to a falling-film gas absorption apparatus mainly made of impermeable graphite. Impervious graphite (graphite) refers to a graphite article that is impervious to a fluid medium, such as a gas, vapor, liquid, or the like. The graphite material is a special non-metal material, not only has good physical and mechanical properties and processability, but also has excellent corrosion resistance and high thermal conductivity, so that the graphite material is an ideal material for manufacturing chemical anti-corrosion equipment. The premixing chamber in the upper head of the common graphite falling film absorber is unreasonable, gas and liquid cannot be sufficiently mixed, the existing design enables absorption liquid to be flushed on the inner wall of the air inlet, sputtered spray easily overflows into the air inlet, the air inlet is corroded, the design of an internal flow passage is unreasonable, and the cooling effect is poor.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an improved graphite absorber for the situations that the design of the gas-liquid premixing chamber of the graphite falling film absorber is not reasonable and the gas and liquid cannot be sufficiently mixed.

An improved graphite absorber comprises a shell, an upper end enclosure, a lower end enclosure and a plurality of graphite blocks, wherein the graphite blocks are arranged in the shell in a stacking mode, a cooling water inlet is formed in the upper side portion of the shell, a cooling water outlet is formed in the lower side portion of the shell, the upper end enclosure and the lower end enclosure are respectively detachably mounted at the upper end and the lower end of the shell, a plurality of flow tubes are arranged in the graphite blocks in an inserting and parallel mode, the upper ends of the flow tubes protrude out of the graphite blocks at the top, the upper end enclosure is communicated with the lower end enclosure through the flow tubes, an air inlet channel is formed in the upper end of the upper end enclosure, a liquid channel is arranged on one side of the upper end enclosure, the air inlet channel is communicated with the liquid channel, a flow baffle plate is arranged in the air inlet channel, the flow baffle plate is funnel-shaped, and splashing holes are further formed in the inner side wall of the air inlet channel, the splashing holes are opposite to the liquid channel, the lower end of the lower end enclosure is provided with a liquid outlet channel, and the side part of the lower end enclosure is provided with a tail gas outlet.

Preferably, the outlet end of the liquid channel is arranged in a trumpet shape.

Preferably, the inner side wall of the shell is provided with a spiral flow sheet.

Preferably, a plurality of the graphite blocks are connected by using a gasket.

Preferably, the side wall of the upper end of the flow pipe is provided with a notch.

Preferably, the two ends of the shell are provided with first flange plates, the end parts of the upper end enclosure and the lower end enclosure are provided with second flange plates, and the first flange plates are connected with the second flange plates through bolts.

The utility model has the advantages that: 1. the funnel-shaped flow baffle is arranged in the gas inlet channel, so that the absorption liquid can be prevented from suddenly gushing out from the gas inlet channel and sputtering into a pipeline of the gas inlet channel, the gas-liquid reaction position is wrong, and the reaction is incomplete; 2. the inner side wall of the air inlet channel is also provided with a sputtering hole, so that the absorption liquid after pressurization is prevented from directly colliding with the inner side wall of the air inlet channel, spray is formed, reaction occurs in the air inlet channel, and a large amount of liquid after reaction is prevented from being adhered to the air inlet channel.

Drawings

FIG. 1 is a schematic diagram of an improved graphite absorber according to one embodiment;

fig. 2 is an enlarged view of a portion a of fig. 1.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-2, an improved graphite absorber comprises a housing 1, an upper head 2, a lower head 3 and a plurality of graphite blocks 4, wherein the plurality of graphite blocks 4 are stacked in the housing 1, a cooling water inlet 11 is arranged at the upper side of the housing 1, a cooling water outlet 12 is arranged at the lower side of the housing 1, the upper head 2 and the lower head 3 are respectively detachably mounted at the upper end and the lower end of the housing 1, a plurality of flow tubes 5 are arranged in the plurality of graphite blocks 4 in an inserting and parallel manner, the upper ends of the flow tubes 5 protrude out of the graphite blocks 4 at the top, the upper head 2 is communicated with the lower head 3 through the flow tubes 5, an air inlet channel 21 is arranged at the upper end of the upper head 2, a liquid channel 22 is arranged at one side of the upper head 2, the air inlet channel 21 is communicated with the liquid channel 22, and a flow baffle plate 211 is arranged in the air inlet channel 21, the flow baffle 211 is funnel-shaped, the inner side wall of the air inlet channel 21 is further provided with a splashing hole 212, the splashing hole 212 is right opposite to the liquid channel 22, the lower end of the lower end enclosure 3 is provided with a liquid outlet channel 31, and the side part of the lower end enclosure 3 is provided with a tail gas outlet 32. Specifically, in this embodiment, the housing 1 is a circular metal housing, and the cooling water inlet 11 and the cooling water outlet 12 are disposed on the side of the housing 1, and the housing 1 is vertical when in use, so that the cooling water flows down along the gap between the housing 1 and the graphite block 4 by the gravity of the cooling water after entering from the cooling water inlet 11, and flows out from the cooling water outlet 12 to cool the graphite block 4. An upper end enclosure 2 and a lower end enclosure 3 are respectively and detachably mounted at the upper end and the lower end of a shell 1, wherein raw material gas, such as hydrogen chloride and the like, enters from an air inlet channel 21, absorption liquid enters from a liquid channel 22, the raw material gas and the absorption liquid react in a mixing chamber formed between the upper end enclosure 2 and the shell 1, mixed liquid flows through a plurality of graphite blocks 4 from an inlet flow pipe 5 to finish reaction cooling work, the contact area of the flow pipe 5 and the graphite blocks 4 is wide, and the heat conduction efficiency is high. Furthermore, a baffle plate 211 is arranged in the air inlet channel 21, and the side wall of the air inlet channel 21 is provided with a splashing hole 212, so that the phenomenon that the absorption liquid pressurized into the air inlet channel 21 splashes four times to cause insufficient gas-liquid reaction can be avoided, the baffle plate 211 can prevent the absorption liquid in the shape of water flowers from splashing out of the air inlet channel 21, and the splashing hole 212 can play a role in stopping and avoiding the water flowers from directly splashing.

As shown in FIGS. 1-2, the outlet end of the liquid channel 22 is flared. In the screenshot, the outlet end of the liquid channel 22 is designed to be trumpet-shaped, so that the absorption liquid can be converged and pressurized and then output to the sputtering hole 212, and the absorption liquid flowing out of the liquid channel 22 is prevented from being scattered into splash and being chemically reacted with the raw material gas in the gas inlet channel 21 in a large range.

As shown in fig. 1 to 2, a spiral flow sheet 13 is provided on the inner wall of the housing 1. Specifically, after the cooling water enters from the cooling water inlet 11, the cooling water can be fully cooled along the flow sheet 13, so that the outer peripheral surface of the graphite block 4 is prevented from being fully cooled, and the situation that the surface of the graphite block 4 back to the cooling water inlet 11 is not contacted with the cooling water, and the cooling is insufficient is avoided.

As shown in fig. 1, a plurality of the graphite blocks 4 are connected to each other by spacers 41. Specifically, the gasket 41 is used for connecting the graphite block 4, so that an adhesive is not needed, and the disassembly and maintenance are more convenient.

As shown in fig. 1 to 2, the side wall of the upper end of the flow tube 5 is provided with a notch 51. Specifically, after the absorption liquid enters the post-mixing reaction chamber, the absorption liquid enters tangentially along the notch 51 of the flow pipe 5, a spiral disturbed liquid film is formed in the flow pipe 5 to descend, the raw gas is fully contacted with the absorption liquid in the flow pipe 5 and absorbed, and the solution amount of a finished product is increased.

As shown in fig. 1, first flange plates 14 are arranged at two ends of the shell 1, second flange plates 23 are arranged at the end parts of the upper seal head 2 and the lower seal head 3, and the first flange plates 14 are connected with the second flange plates 23 through bolts.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An improved generation graphite absorber which characterized in that: the device comprises a shell, an upper end enclosure, a lower end enclosure and a plurality of graphite blocks, wherein the graphite blocks are arranged in the shell in a stacking manner, a cooling water inlet is formed in the upper side part of the shell, a cooling water outlet is formed in the lower side part of the shell, the upper end enclosure and the lower end enclosure are respectively detachably arranged at the upper end and the lower end of the shell, a plurality of flow tubes are arranged in the graphite blocks in an inserting and parallel manner, the upper ends of the flow tubes protrude out of the graphite blocks at the top, the upper end enclosure is communicated with the lower end enclosure through the flow tubes, an air inlet channel is arranged at the upper end of the upper end enclosure, a liquid channel is arranged on one side of the upper end enclosure, the air inlet channel is communicated with the liquid channel, a flow baffle plate is arranged in the air inlet channel, the flow baffle plate is funnel-shaped, the inner side wall of the air inlet channel is also provided with splashing holes, and the splashing holes are right opposite to the liquid channel, the lower end of the lower end socket is provided with a liquid outlet channel, and the side part of the lower end socket is provided with a tail gas outlet.

2. An improved graphite absorber as defined in claim 1, wherein: the outlet end of the liquid channel is arranged in a horn shape.

3. An improved graphite absorber as claimed in claim 2, wherein: the inner side wall of the shell is provided with a spiral flow sheet.

4. An improved graphite absorber as claimed in claim 3, wherein: and a plurality of the graphite blocks are connected by using gaskets.

5. An improved graphite absorber as claimed in claim 1 or 4, wherein: the lateral wall of the upper end of the flow pipe is provided with a notch.

6. An improved graphite absorber as claimed in claim 5, wherein: the shell is characterized in that first flange plates are arranged at two ends of the shell, second flange plates are arranged at the end parts of the upper sealing head and the lower sealing head, and the first flange plates are connected with the second flange plates through bolts.