CN205216411U - Formaldehyde tail gas recycle device - Google Patents
Formaldehyde tail gas recycle device Download PDFInfo
- Publication number
- CN205216411U CN205216411U CN201520921389.3U CN201520921389U CN205216411U CN 205216411 U CN205216411 U CN 205216411U CN 201520921389 U CN201520921389 U CN 201520921389U CN 205216411 U CN205216411 U CN 205216411U
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- China
- Prior art keywords
- tail gas
- methyl alcohol
- gas
- hydrogen
- steam
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Abstract
The utility model discloses a formaldehyde tail gas recycle device, include the exhaust inlet pipe who is connected with tail gas roots fan, the exhaust inlet pipe other end is connected with the methyl alcohol trap, and the methyl alcohol trap has hydrogen gas separator through the pipe connection, and hydrogen gas separator is connected with hydrogen gas holder and water sealed tank respectively through the pipeline, and the water sealed tank has tail gas to fire burning furnace through the pipe connection, and tail gas is equipped with the steam engine in firing burning furnace, and tail gas fires the burning furnace top and is equipped with the blast pipe, and the steam engine is connected with the steam steam pocket. The utility model discloses a fire at exhaust inlet pipe and tail gas and set up methyl alcohol trapper and hydrogen gas separator between the burning furnace, retrieve relict methyl alcohol in the tail gas and formaldehyde entrapment, retrieve the hydrogen separation that has very big value in the tail gas to set up steam engine by -product steam in tail gas fires burning furnace, solved the pollution promptly, again can output hydrogen and steam, the formaldehyde and the methyl alcohol liquid drop that contain in can also effective recycling tail gas, energy saving and consumption reduction has improved economic benefits.
Description
Technical field
The utility model belongs to formaldehyde production equipment technical field, specifically a kind of formaldehyde tail gas recycling device.
Background technology
In industrial formol production process, the tail gas produced contains 18%-21% hydrogen, 0.1% formaldehyde gas and 0.01% methyl alcohol and a small amount of methane gas and 0.4% CO gas and 3.6 ~ 4.0% carbon dioxide, all the other are 74% nitrogen, and industrial formol tail gas directly discharge can cause environmental pollution, affects personnel healthy, simultaneously, imflammable gas directly discharges, and can cause potential safety hazard, and is the significant wastage of resource.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, the formaldehyde tail gas recycling device of energy-conserving and environment-protective.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of formaldehyde tail gas recycling device, comprise the tail gas air inlet pipe be connected with tail gas roots blower, the described tail gas air inlet pipe other end is connected with methyl alcohol trap, described methyl alcohol trap is connected with hydrogen gas segregator by pipeline, described hydrogen gas segregator is connected to hydrogen air accumulator and water sealed tank by pipeline, described water sealed tank is connected with tail-gas combustion stove by pipeline, steam engine is provided with in described tail-gas combustion stove, described tail-gas combustion stove top is provided with blast pipe, and described steam engine is connected with steam drum.
Further, described methyl alcohol trap comprises tank body, and described tank wall is connected with tail gas air inlet pipe, described tank base establishes taper liquid outlet, be connected with fluid reservoir below described liquid outlet, described tank body top is provided with exhaust outlet, and the inwall of described tank body establishes guide vane.
The beneficial effects of the utility model: the utility model by arranging methyl alcohol catcher and hydrogen gas segregator between tail gas air inlet pipe and tail-gas combustion stove, methyl alcohol remaining in tail gas and formaldehyde trapping are reclaimed, the Hydrogen Separation in tail gas with very large value is reclaimed, and steam engine byproduct water steam is set in tail-gas combustion stove, namely pollution is solved, again can output hydrogen and steam, heat energy makes full use of, effectively can also reclaim the formaldehyde and methyl alcohol drop that contain in the tail gas produced in formaldehyde production, energy-saving and cost-reducing, improve economic benefit.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
In figure: 1-tail gas air inlet pipe; 2-tail gas roots blower; 3-methyl alcohol trap; 4-hydrogen gas segregator; 5-hydrogen air accumulator; 6-water sealed tank; 7-exhaust combustion boiler; 8-steam engine; 9-blast pipe; 10-steam drum; 31-tank body; 32-liquid outlet; 33-exhaust outlet; 34-guide vane; 35-fluid reservoir.
Detailed description of the invention
As shown in Figure 1, a kind of formaldehyde tail gas recycling device, comprise the tail gas air inlet pipe 1 be connected with tail gas roots blower 2, tail gas roots blower 2 is for carrying the tail gas produced in formaldehyde production, and tail gas comprises nitrogen, hydrogen, carbon dioxide, carbon monoxide, a small amount of formaldehyde, methyl alcohol, trace methane.
Tail gas air inlet pipe 1 other end is connected with methyl alcohol trap 3, methyl alcohol trap 3 comprises tank body 31, tank body 31 sidewall is connected with tail gas air inlet pipe 1, taper liquid outlet 32 is established bottom tank body 31, fluid reservoir 35 is connected with below liquid outlet 32, tank body 31 top is provided with exhaust outlet 33, the inwall of tank body 31 is established guide vane 34.Tail gas enters in tank body 31 by tail gas air inlet pipe 1, after gas containing methyl alcohol drop and formaldehyde drop enters, air-flow produces strong rotation by the guide functions of guide vane 34, air-flow enters tank body 31 downwards twist along tank body, the drop that density is large and grit are thrown toward wall under centrifugal action, and under gravity, the liquid storage falling to flowing out liquid outlet 32 to below along tank skin is filled with in 35.
The exhaust outlet 33 of methyl alcohol trap 3 is connected with hollow-fibre membrane hydrogen gas segregator 4 by pipeline, hydrogen gas segregator 4 is connected with hydrogen air accumulator 5 and water sealed tank 6 respectively by pipeline, by the rear tail gas (comprising nitrogen, hydrogen, carbon dioxide, carbon monoxide, trace formaldehyde and methyl alcohol, trace methane) of discharging of methyl alcohol trap 3 through hydrogen gas segregator 4, by the Hydrogen Separation in tail gas out, enter in hydrogen air accumulator 5.
Water sealed tank 6 is connected with tail-gas combustion stove 7 by pipeline, is provided with steam engine 8 in tail-gas combustion stove 7, byproduct water steam.Tail-gas combustion stove 7 top is provided with blast pipe 9, steam engine 8 is connected with steam drum 10, after water sealed tank 6, send into tail-gas combustion stove burning process by the tail gas (comprising nitrogen, carbon dioxide, carbon monoxide, trace formaldehyde and methyl alcohol, trace methane) after hydrogen gas segregator 4, rear tail gas up to standard is discharged by blast pipe 9 and by-product goes out steam and enters steam drum 10.
The utility model by arranging methyl alcohol catcher and hydrogen gas segregator between tail gas air inlet pipe and tail-gas combustion stove, methyl alcohol remaining in tail gas and formaldehyde trapping are reclaimed, the Hydrogen Separation in tail gas with very large value is reclaimed, and steam engine byproduct water steam is set in tail-gas combustion stove, namely pollution is solved, again can output hydrogen and steam, heat energy makes full use of, effectively can also reclaim the formaldehyde and methyl alcohol drop that contain in the tail gas produced in formaldehyde production, energy-saving and cost-reducing, improve economic benefit.
Above content is only to the utility model structure example and explanation; affiliated those skilled in the art make various amendment to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the structure of utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (2)
1. a formaldehyde tail gas recycling device, it is characterized in that: comprise the tail gas air inlet pipe (1) be connected with tail gas roots blower (2), described tail gas air inlet pipe (1) other end is connected with methyl alcohol trap (3), described methyl alcohol trap (3) is connected with hydrogen gas segregator (4) by pipeline, described hydrogen gas segregator (4) is connected to hydrogen air accumulator (5) and water sealed tank (6) by pipeline, described water sealed tank (6) is connected with tail-gas combustion stove (7) by pipeline, steam engine (8) is provided with in described tail-gas combustion stove (7), described tail-gas combustion stove (7) top is provided with blast pipe (9), described steam engine (8) is connected with steam drum (10).
2. a kind of formaldehyde tail gas recycling device according to claim 1, it is characterized in that: described methyl alcohol trap (3) comprises tank body (31), described tank body (31) sidewall is connected with tail gas air inlet pipe (1), taper liquid outlet (32) is established in described tank body (31) bottom, described liquid outlet (32) below is connected with fluid reservoir (35), described tank body (31) top is provided with exhaust outlet (33), and the inwall of described tank body (31) establishes guide vane (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520921389.3U CN205216411U (en) | 2015-11-17 | 2015-11-17 | Formaldehyde tail gas recycle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520921389.3U CN205216411U (en) | 2015-11-17 | 2015-11-17 | Formaldehyde tail gas recycle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205216411U true CN205216411U (en) | 2016-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520921389.3U Expired - Fee Related CN205216411U (en) | 2015-11-17 | 2015-11-17 | Formaldehyde tail gas recycle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205216411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093303A (en) * | 2020-08-19 | 2020-12-18 | 永安智慧科技(杭州)有限公司 | Membrane type water seal device and storage tank waste gas collecting system and method using same |
-
2015
- 2015-11-17 CN CN201520921389.3U patent/CN205216411U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093303A (en) * | 2020-08-19 | 2020-12-18 | 永安智慧科技(杭州)有限公司 | Membrane type water seal device and storage tank waste gas collecting system and method using same |
| CN112093303B (en) * | 2020-08-19 | 2022-07-19 | 江苏全卓软件科技有限公司 | Membrane type water sealer and storage tank waste gas collecting system and method using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20171117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |