CN215086022U - High-efficient formaldehyde absorption tower - Google Patents
High-efficient formaldehyde absorption tower Download PDFInfo
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- CN215086022U CN215086022U CN202121294020.6U CN202121294020U CN215086022U CN 215086022 U CN215086022 U CN 215086022U CN 202121294020 U CN202121294020 U CN 202121294020U CN 215086022 U CN215086022 U CN 215086022U
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Abstract
The utility model discloses a high-efficiency formaldehyde absorption tower, which comprises a composite liquid storage tank, an absorption cylinder, a first spray assembly, a second spray assembly, a cooling assembly, an upper filler, a lower filler, an upper liquid storage assembly and a control assembly, wherein the absorption cylinder is arranged on the composite liquid storage tank and is communicated with the composite liquid storage tank; the first spraying assembly, the upper filler, the upper liquid storage assembly, the second spraying assembly, the lower filler and the cooling assembly are arranged in the absorption cylinder respectively after being arranged on the upper portion. The utility model discloses a secondary absorbs and once cools down, can accomplish the formaldehyde absorption by the high efficiency to become the formaldehyde solution with absorbing formaldehyde and store in compound liquid storage tank after.
Description
Technical Field
The utility model relates to a formaldehyde absorption tower during paraformaldehyde production, specific high-efficient formaldehyde absorption tower that says so.
Background
Paraformaldehyde is a product produced by dehydration, concentration, drying and polymerization of an aqueous formaldehyde solution, is a mixture of formaldehyde molecules, namely polyoxymethylene glycol HO (CH2O) nH and the like, and is a linear polymer important in chemical engineering. The production of paraformaldehyde can not be separated from formaldehyde solution, and the current industrial production of formaldehyde generally adopts a gas mixture which is generated from an oxidizer and contains formaldehyde gas, nitrogen, hydrogen, carbon dioxide, carbon monoxide, water vapor, unreacted methanol and other components, and adopts water to absorb formaldehyde in the mixture to form a formaldehyde aqueous solution product, wherein the absorption process is completed through a formaldehyde absorption tower and a cooling device. In the formaldehyde absorption tower, gas moves from bottom to top, and absorption liquid flows from top to bottom, and the gas and the absorption liquid are in countercurrent contact, so that the formaldehyde solution is finally prepared.
The existing formaldehyde absorption tower has the advantages of simple structure, low efficiency and great improvement space and requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a high-efficiency formaldehyde absorption tower.
In order to achieve the above object, the utility model adopts the following technical scheme: a high-efficiency formaldehyde absorption tower comprises a composite liquid storage tank, an absorption cylinder, a first spraying assembly, a second spraying assembly, a cooling assembly, an upper filler, a lower filler, an upper liquid storage assembly and a control assembly, wherein the absorption cylinder is arranged on the composite liquid storage tank and is communicated with the composite liquid storage tank; the first spraying assembly, the upper filler, the upper liquid storage assembly, the second spraying assembly, the lower filler and the cooling assembly are arranged in the absorption cylinder respectively after being arranged upwards; the first spraying assembly is matched with the upper filler in an alignment way; the upper filler is matched with the upper liquid storage assembly in an alignment way; the upper liquid storage component is matched with the second spraying component in an alignment way; the second spraying assembly is in alignment fit with the lower filler; the lower filler is matched with the heat insulation component in an alignment way; the composite liquid storage tank comprises a cylinder body, a left end socket and a right end socket, wherein the cylinder body, the left end socket and the right end socket are all of composite structures, and are respectively provided with an inner glass fiber reinforced plastic layer, a heat-insulating foam plastic layer and an outer glass fiber reinforced plastic layer from inside to outside; the composite liquid storage tank is provided with at least one observation window; at least one temperature sensor and at least one liquid level sensor are arranged in the composite liquid storage tank; the composite liquid storage tank is also provided with a pressure detection interface, and the pressure detection interface is provided with a pressure sensor; the control assembly is arranged on the outer wall surface of the composite liquid storage tank and is connected with each temperature sensor, each liquid level sensor and the pressure sensor; the first spraying component comprises a water inlet pipe, an upper spraying pipe and a lower spraying pipe, the water inlet pipe is connected and matched with the upper spraying pipe and the lower spraying pipe, the upper spraying pipe is provided with a plurality of upward nozzles, and the lower spraying pipe is provided with a plurality of downward nozzles; the upper filler is SM250 corrugated filler; the bottom of the upper filler is provided with a grid plate, and the grid plate is provided with a plurality of through holes; the upper liquid storage assembly comprises a liquid storage plate and an overflow pipe, the liquid storage plate is matched with the inner wall surface of the absorption cylinder to form an annular liquid storage tank, the annular liquid storage tank is hollow to form an air passage, the overflow pipe is vertically arranged in the liquid storage tank, the upper end of the overflow pipe is arranged at the top end of the liquid storage tank, and the lower end of the overflow pipe extends downwards out of the liquid storage plate and is connected and matched with the second spraying assembly; the second spraying component comprises a liquid pump, a liquid inlet pipe connected with the liquid pump and a spiral spraying pipe connected with the liquid inlet pipe, the liquid inlet pipe is connected and matched with the bottom end of the overflow pipe, and the spiral spraying pipe is a lower spraying pipe which is provided with a plurality of downward nozzles and is spirally bent on a horizontal plane; the lower filler is SM125 corrugated filler; the bottom of the lower filler is provided with a grid plate; the cooling component comprises a heat exchange pipe group and a baffle group, wherein the baffle group consists of left baffle plates and right baffle plates which are alternated, the heat exchange pipe group consists of a plurality of heat exchange pipes which are vertically parallel and arranged in the baffle group, each heat exchange pipe is provided with a liquid inlet control valve, and the liquid inlet control valve is connected with the control component and is controlled by the control component.
Furthermore, the liquid storage tank is connected with a water inlet pipe of the upper spraying assembly through a pipe body with a water pump, and an electric control pipe valve is arranged at the connected position; the water pump and the electric control pipe valve are connected with the control assembly and controlled by the control assembly.
The utility model discloses a secondary absorbs and once cools down, can accomplish the formaldehyde absorption by the high efficiency to become the formaldehyde solution with absorbing formaldehyde and store in compound liquid storage tank after.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the specification and together with the description, serve to explain the principles of the specification.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the spiral shower pipe of the present invention.
Detailed Description
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is also to be understood that the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example (b):
as shown in fig. 1 and 2, the utility model comprises a composite liquid storage tank 1, an absorption cylinder 2, a first spray component 3, a second spray component 4, a cooling component 5, an upper filler 6, a lower filler 7, an upper liquid storage component 8 and a control component 9, wherein the absorption cylinder 2 is arranged on the composite liquid storage tank 1 and is communicated with the composite liquid storage tank 1; the first spraying component 3, the upper filler 6, the upper liquid storage component 8, the second spraying component 4, the lower filler 6 and the cooling component 5 are respectively arranged in the absorption cylinder 2 after being arranged on the upper part; the first spraying component 3 is matched with the upper filler 6 in an alignment way; the upper filler 6 is in contraposition fit with the upper liquid storage component 8; the upper liquid storage component 8 is in alignment fit with the second spraying component 4; the second spraying component 4 is matched with the lower packing 7 in an alignment way; the lower filler 7 is in contraposition fit with the thermal insulation component 5; the composite liquid storage tank 1 comprises a cylinder body, a left end socket and a right end socket, wherein the cylinder body, the left end socket and the right end socket are all of composite structures, an inner glass fiber reinforced plastic layer, a heat-insulating foam plastic layer and an outer glass fiber reinforced plastic layer are respectively arranged from inside to outside, and an L-shaped air inlet 10 pipe is inserted into the composite liquid storage tank 1 and is positioned at the bottom of the composite liquid storage tank 1; the composite liquid storage tank 1 is provided with an observation window; a temperature sensor and a liquid level sensor are arranged in the composite liquid storage tank 1; the composite liquid storage tank 1 is also provided with a pressure detection interface, and the pressure detection interface is provided with a pressure sensor 11; the control assembly 9 is arranged on the outer wall surface of the composite liquid storage tank 1 and is connected with each temperature sensor, each liquid level sensor and the pressure sensor 11; the first spraying component 3 comprises a water inlet pipe 12, an upper spraying pipe 13 and a lower spraying pipe 14, the water inlet pipe 12 is connected and matched with the upper spraying pipe 13 and the lower spraying pipe 14, a plurality of upward nozzles are arranged on the upper spraying pipe 13, and a plurality of downward nozzles are arranged on the lower spraying pipe 14; the upper filler 6 is SM250 corrugated filler; the bottom of the upper filler 6 is provided with a grid plate 15, and the grid plate 15 is provided with a plurality of through holes; the upper liquid storage component 8 comprises a liquid storage plate 16 and an overflow pipe 17, the liquid storage plate 16 is matched with the inner wall surface of the absorption cylinder 2 to form an annular liquid storage tank, the annular liquid storage tank is hollow to form an air passage 18, the overflow pipe 17 is vertically arranged in the liquid storage tank, the upper end of the overflow pipe 17 is arranged at the top end of the liquid storage tank, and the lower end of the overflow pipe 17 extends downwards out of the liquid storage plate 16 and is connected and matched with the second spraying component 4; the liquid storage tank is connected with the water inlet pipe 12 of the upper spraying component 3 through a pipe body 19 with a water pump, and an electric control pipe valve 20 is arranged at the connected position; the water pump and the electric control pipe valve 20 are connected with the control assembly 9 and controlled by the control assembly 9; the second spraying component 4 comprises a liquid pump 21, a liquid inlet pipe 22 connected with the liquid pump 21 and a spiral spraying pipe 23 connected with the liquid inlet pipe 22, the liquid inlet pipe 22 is connected and matched with the bottom end of the overflow pipe 17, and the spiral spraying pipe 23 is a lower spraying pipe which is provided with a plurality of downward nozzles and is spirally bent on a horizontal plane; the lower filler 7 is SM125 corrugated filler; the bottom of the lower filler 7 is provided with a grid plate 24; the cooling component 5 comprises a heat exchange tube group 25 and a baffle group 26, the baffle group 26 consists of baffle plates which are alternated left and right, the heat exchange tube group 25 consists of a plurality of heat exchange tubes which are vertically parallel and arranged in the baffle group 26, each heat exchange tube is provided with a liquid inlet control valve, and the liquid inlet control valve is connected with the control component 9 and controlled by the control component 9.
The utility model discloses during the implementation, formaldehyde gas goes upward after getting into from intake pipe 10, go upward to first spray assembly 3 time, mix in last filler 6 with 3 spun water of first spray assembly, realize the absorption of formaldehyde one-level, elementary formaldehyde solution majority after the absorption falls into the reservoir, after solution in the reservoir highly reachs a certain position, flow in second spray assembly 4 in the follow overflow pipe 27, and be cyclic annular blowout after being pressurizeed, carry out the secondary absorption with formaldehyde gas in lower filler 7, improve solution concentration, when needs, also can make elementary formaldehyde solution spout from first spray assembly 3 repeatedly and carry out the repeated absorption, in order to improve solution concentration.
The foregoing description of the embodiments of the present specification has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the application is defined by the appended claims.
Claims (1)
1. The utility model provides a high-efficient formaldehyde absorption tower which characterized in that: the absorption device comprises a composite liquid storage tank, an absorption cylinder, a first spraying assembly, a second spraying assembly, a cooling assembly, an upper filler, a lower filler, an upper liquid storage assembly and a control assembly, wherein the absorption cylinder is arranged on the composite liquid storage tank and is communicated with the composite liquid storage tank; the first spraying assembly, the upper filler, the upper liquid storage assembly, the second spraying assembly, the lower filler and the cooling assembly are arranged in the absorption cylinder respectively after being arranged upwards; the first spraying assembly is matched with the upper filler in an alignment way; the upper filler is matched with the upper liquid storage assembly in an alignment way; the upper liquid storage component is matched with the second spraying component in an alignment way; the second spraying assembly is in alignment fit with the lower filler; the lower filler is matched with the heat insulation component in an alignment way; the composite liquid storage tank comprises a cylinder body, a left end socket and a right end socket, wherein the cylinder body, the left end socket and the right end socket are all of composite structures, and are respectively provided with an inner glass fiber reinforced plastic layer, a heat-insulating foam plastic layer and an outer glass fiber reinforced plastic layer from inside to outside; the composite liquid storage tank is provided with at least one observation window; at least one temperature sensor and at least one liquid level sensor are arranged in the composite liquid storage tank; the composite liquid storage tank is also provided with a pressure detection interface, and the pressure detection interface is provided with a pressure sensor; the control assembly is arranged on the outer wall surface of the composite liquid storage tank and is connected with each temperature sensor, each liquid level sensor and the pressure sensor; the first spraying component comprises a water inlet pipe, an upper spraying pipe and a lower spraying pipe, the water inlet pipe is connected and matched with the upper spraying pipe and the lower spraying pipe, the upper spraying pipe is provided with a plurality of upward nozzles, and the lower spraying pipe is provided with a plurality of downward nozzles; the upper filler is SM250 corrugated filler; the bottom of the upper filler is provided with a grid plate, and the grid plate is provided with a plurality of through holes; the upper liquid storage assembly comprises a liquid storage plate and an overflow pipe, the liquid storage plate is matched with the inner wall surface of the absorption cylinder to form an annular liquid storage tank, the annular liquid storage tank is hollow to form an air passage, the overflow pipe is vertically arranged in the liquid storage tank, the upper end of the overflow pipe is arranged at the top end of the liquid storage tank, and the lower end of the overflow pipe extends downwards out of the liquid storage plate and is connected and matched with the second spraying assembly; the second spraying component comprises a liquid pump, a liquid inlet pipe connected with the liquid pump and a spiral spraying pipe connected with the liquid inlet pipe, the liquid inlet pipe is connected and matched with the bottom end of the overflow pipe, and the spiral spraying pipe is a lower spraying pipe which is provided with a plurality of downward nozzles and is spirally bent on a horizontal plane; the lower filler is SM125 corrugated filler; the bottom of the lower filler is provided with a grid plate; the cooling component comprises a heat exchange pipe group and a baffle group, the baffle group consists of left baffle plates and right baffle plates which are alternated, the heat exchange pipe group consists of a plurality of heat exchange pipes which are vertically parallel and arranged in the baffle group, each heat exchange pipe is provided with a liquid inlet control valve, and the liquid inlet control valve is connected with the control component and controlled by the control component; the liquid storage tank is connected with a water inlet pipe of the upper spraying assembly through a pipe body with a water pump, and an electric control pipe valve is arranged at the connected position; the water pump and the electric control pipe valve are connected with the control assembly and controlled by the control assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121294020.6U CN215086022U (en) | 2021-06-10 | 2021-06-10 | High-efficient formaldehyde absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121294020.6U CN215086022U (en) | 2021-06-10 | 2021-06-10 | High-efficient formaldehyde absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215086022U true CN215086022U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121294020.6U Active CN215086022U (en) | 2021-06-10 | 2021-06-10 | High-efficient formaldehyde absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215086022U (en) |
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2021
- 2021-06-10 CN CN202121294020.6U patent/CN215086022U/en active Active
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