CN205606595U - Processing apparatus is synthesized to formaldehyde tail gas - Google Patents
Processing apparatus is synthesized to formaldehyde tail gas Download PDFInfo
- Publication number
- CN205606595U CN205606595U CN201620339346.9U CN201620339346U CN205606595U CN 205606595 U CN205606595 U CN 205606595U CN 201620339346 U CN201620339346 U CN 201620339346U CN 205606595 U CN205606595 U CN 205606595U
- Authority
- CN
- China
- Prior art keywords
- tail gas
- formaldehyde
- air
- preheating
- preheater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Air Supply (AREA)
Abstract
The utility model discloses a processing apparatus is synthesized to formaldehyde tail gas, including a tail gas treatment tower and an air -blower, this tail gas treatment tower includes burning zone and heat transfer section, is provided with the air intake duct way that the exhaust inlet pipe who is used for formaldehyde tail gas to get into said and was used for the air admission on the burning zone, its characterized in that: being close to burning zone department on the exhaust inlet pipe way and being provided with a consistency transmitter who is arranged in detecting formaldehyde tail gas hydrogen and carbon monoxide concentration, the outside that lies in a consistency transmitter in the exhaust inlet pipe way is provided with first automatically controlled flow valve, being close to burning zone department on the air intake duct way and being provided with the 2nd consistency transmitter who is arranged in detecting air oxygen concentration, the outside that lies in the 2nd consistency transmitter in air intake duct says is provided with the automatically controlled flow valve of second, a consistency transmitter, the 2nd consistency transmitter, first automatically controlled flow valve and the automatically controlled flow valve of second are connected with controller electricity.
Description
Technical field
This utility model relates to a kind of exhaust gas processing device, particularly relates to a kind of formaldehyde tail gas Integrated Processing Unit.
Background technology
Formaldehyde is industrial important raw and processed materials, is also the basic industries of Chemical Manufacture, to produce a large amount of in Formaldehyde Production
Tail gas, often produce one ton of formaldehyde products and will produce about more than 600 cube its calorific value of 37% tail gas at 1970kj/mol, this
Containing hydrogen, carbon monoxide, methane, carbon dioxide, nitrogen and a small amount of moisture content in a little tails.People know now
Road formaldehyde gas is harmful to, if production formaldehyde factory naturally discharges or environment all can be caused severe contamination especially to the person by burning and exhausting
Health threatens.But it should also be understood that it is certain to be that fuel gas has containing hydrogen, carbon monoxide etc. in formaldehyde exhaust gas component
Calorific value, if using is clean energy resource.
Formaldehyde Production enterprise uses formaldehyde exhaust gas treating device PARA FORMALDEHYDE PRILLS(91,95) tail gas to process, general formaldehyde exhaust gas treating device bag
Include and be positioned at bottom and realize burning zone that formaldehyde tail gas and air carry out burning and be positioned at top and realize the heat exchanging segment of heat exchange, change
The top of hot arc is provided with chimney, and the high temperature utilizing the burning of formaldehyde to produce carries out the making of water vapour, thus produces certain
Economic benefit and environmental benefit.But, in existing formaldehyde tail gas Integrated Processing Unit, enter the formaldehyde in burning zone
The initial temperature of tail gas and air is relatively low, and the efficiency of combustion causing formaldehyde tail gas is low.
Utility model content
The technical problems to be solved in the utility model is the present situation for prior art, it is provided that one can improve entrance burning
Formaldehyde tail gas in Duan and the initial temperature of air, improve the formaldehyde tail gas Integrated Processing Unit of formaldehyde exhaust combustion efficiency.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of formaldehyde tail gas Integrated Processing Unit,
Including a vent gas treatment tower with to be arranged at vent gas treatment tower outer for carrying the aerator of air, this vent gas treatment tower includes position
Realize burning zone that formaldehyde tail gas and air carry out burning in bottom, be positioned at the combustion journey section above this burning zone and be positioned at top
Realizing the heat exchanging segment of heat exchange, the top of heat exchanging segment is provided with chimney, burning zone is provided with for the entrance of formaldehyde tail gas
Tail gas admission line and the air intake pipe for carrying air entrance that is connected with aerator, it is characterised in that: described
Being provided with on tail gas admission line and carry out, for PARA FORMALDEHYDE PRILLS(91,95) tail gas, the first preheater of preheating, the two ends of this first preheater are divided
It is not connected with combustion journey section by the first preheating pipe, described air intake pipe is provided with for preheating air
The second preheater, the two ends of this second preheater respectively by the second preheating pipe with combustion journey section be connected.
As improvement, described first preheater has the first preheating cavity, is provided with many first in this first preheating cavity body
Economizer bank, the two ends of described many first economizer banks are respectively arranged with the first gather qi together communicated with described many first economizer banks
Dish, described first preheating pipe communicates with described first gather qi together dish, described tail gas admission line and described first preheating cavity
Communicate, be recycled to again after combustion journey section high-temperature tail gas out enters in many first economizer banks in combustion journey section, high temperature tail
First economizer bank is heated by gas so that preheated by the initial formaldehyde tail gas after the first preheater, thus
Improve efficiency of combustion.
Improving, described second preheater has the second preheating cavity again, be provided with in this second preheating cavity body many second pre-
Heat pipe, the two ends of described many second economizer banks are respectively arranged with the second gather qi together communicated with described many second economizer banks
Dish, described second preheating pipe communicates with described second gather qi together dish, described air intake pipe and described second preheating cavity
Communicate, be recycled to again after combustion journey section high-temperature tail gas out enters in many second economizer banks in combustion journey section, high temperature tail
Second economizer bank is heated by gas so that is preheated by the initial air after the second preheater, thus improves
Efficiency of combustion.
Improving, the outside that described tail gas admission line is positioned at the first preheater is provided with water sealed tank again, prevents the first of burning
Aldehyde tail gas flows backwards and causes the accident.
Improve again, in described burning zone, be provided with an air sparger and a tail gas distributor, this air sparger and air
Admission line is connected, and tail gas distributor is connected with tail gas admission line, and tail gas distributor is positioned at the top of air sparger.
Tail gas distributor is arranged in the top of air sparger, above tail gas distributor, realizes ignition, due to air
Distributor is positioned at the lower section of tail gas distributor, the air of aerator conveying provide burning simultaneously after formaldehyde tail gas rise dynamic
Power such that it is able to the tail gas rapid increase after burning in making burning zone enters in heat exchanging segment, it is ensured that in heat exchanging segment up and down
Even heat is distributed.
Improving, described tail gas distributor has a flat cavity communicated with tail gas admission line, in this flat chamber again
Radial on the end face of body it is provided with multiple strip tail gas mouth, utilizes multiple strip tail gas mouth, it is ensured that formaldehyde tail gas
Can be delivered to the most equably in burning zone.
Improve again, in described chimney, be provided with filter screen, utilize filter screen that the tail gas eventually entering in air is finally filtered.
Improving, the bottom outside of described heat exchanging segment is provided with water inlet again, and the top outer of heat exchanging segment is provided with steam (vapor) outlet,
Steam (vapor) outlet is connected with drum, is provided with the many water being longitudinally arranged and be connected with water inlet and steam (vapor) outlet in heat exchanging segment
Pipe, is arranged at the bottom of heat exchanging segment by water inlet, and steam (vapor) outlet is arranged at the top of heat exchanging segment, and water pipe is longitudinally arranged, suitable
Answer the motion path that steam moves upward, it is to avoid steam carries out disturbance to water, thus ensure that the temperature of steam (vapor) outlet.
Compared with prior art, owing to the utility model has the advantage of: this utility model is by setting at tail gas admission line
Put the first preheater, air intake pipe arranges the second preheater, the first preheater and the second preheater to fire journey section
Interior high-temperature tail gas is as thermal source, to by the formaldehyde tail gas in the first preheater and being entered by the air in the second preheater
Row preheating so that the temperature finally entering the formaldehyde tail gas in burning zone and air is promoted to 200 DEG C, is effectively increased tail
The efficiency of combustion of gas.
Accompanying drawing explanation
Fig. 1 is the structural representation of formaldehyde tail gas Integrated Processing Unit in this utility model embodiment；
Fig. 2 is the structural representation of tail gas distributor in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As Fig. 1 is to shown in 2, and the formaldehyde tail gas Integrated Processing Unit 1 in this enforcement, including vent gas treatment tower 1, first
Preheater the 31, second preheater 32, water sealed tank 6 and aerator 2, wherein vent gas treatment tower 1 include burning zone 11,
Combustion journey section 15, heat exchanging segment 12, chimney 13, air sparger 112 and tail gas distributor 111.
Wherein, aerator 2 is arranged at outside vent gas treatment tower 1, is used for carrying air, and this vent gas treatment tower 1 includes being positioned at
Bottom realizes burning zone 11 that formaldehyde tail gas and air carry out burning, is positioned at the combustion journey section 15 above this burning zone 11 and position
Realize the heat exchanging segment 12 of heat exchange in top, the top of heat exchanging segment 12 is provided with chimney 13, is provided with filter in chimney 13
Net 131, utilizes filter screen 131 finally to filter the tail gas eventually entering in air, burning zone 11 is provided with for
The tail gas admission line 1113 of formaldehyde tail gas entrance and the air inlet for carrying air entrance that is connected with aerator 2
Pipeline 1121, described tail gas admission line 1113 is provided with and carries out, for PARA FORMALDEHYDE PRILLS(91,95) tail gas, the first preheater 31 of preheating,
The two ends of this first preheater 31 are connected with combustion journey section 15 by the first preheating pipe 41 respectively, described air inlet
Being provided with the second preheater 32 for preheating air on pipeline 1121, the two ends of this second preheater 32 are respectively
It is connected with combustion journey section 15 by the second preheating pipe 42, tail gas admission line 1113 is positioned at the first preheater 31
Outside is provided with water sealed tank 6, prevents the formaldehyde tail gas of burning from flowing backwards and causes the accident.
Further, described first preheater 31 has the first preheating cavity 311, sets in this first preheating cavity 311
Being equipped with many first economizer banks 312, the two ends of described many first economizer banks 312 are respectively arranged with and described many first
The first gather qi together dish that economizer bank 312 communicates, described first preheating pipe 41 communicates with described first gather qi together dish, described tail
Gas admission line 1113 communicates with described first preheating cavity 311, enters many from combustion journey section 15 high-temperature tail gas out
Being recycled to again after in first economizer bank 312 in combustion journey section 15, the first economizer bank 312 is heated by high-temperature tail gas,
Initial formaldehyde tail gas after making by the first preheater 31 is preheated, thus improves efficiency of combustion；Described
Two preheaters 32 have the second preheating cavity 321, are provided with many second economizer banks 322 in this second preheating cavity 321,
The two ends of described many second economizer banks 322 are respectively arranged with the second gather qi together communicated with described many second economizer banks 322
Dish, described second preheating pipe 42 communicates with described second gather qi together dish, and described air intake pipe 1121 is with described second
Preheating cavity 322 communicates, and follows again after combustion journey section 15 high-temperature tail gas out enters in many second economizer banks 322
Ring is to firing in journey section 15, and the second economizer bank 322 is heated by high-temperature tail gas so that by the second preheater 32
Air preheats, and has been achieved in that PARA FORMALDEHYDE PRILLS(91,95) tail gas and air are all preheated, thus has improve efficiency of combustion.
It addition, be provided with air sparger 112 and a tail gas distributor 111, this air sparger in burning zone 11
112 are connected with air intake pipe 1121, and tail gas distributor 111 is connected with tail gas admission line 1113, and tail gas is distributed
Device 111 is positioned at the top of air sparger 112.Tail gas distributor 111 is arranged in the top of air sparger 112,
Ignition is realized, owing to air sparger 112 is positioned at tail gas distributor 111 times above tail gas distributor 111
Just, the power that after the air of aerator 2 conveying provides burning simultaneously, formaldehyde tail gas rises such that it is able to make burning zone
In 11, the tail gas rapid increase after burning enters in heat exchanging segment 12, it is ensured that upper and lower even heat distribution in heat exchanging segment 12.
Additionally, described tail gas distributor 111 has a flat cavity 1111 communicated with tail gas admission line 1113,
Radial on the end face of this flat cavity 1111 it is provided with multiple strip tail gas mouth 1112, utilizes multiple strip
Tail gas mouth 1112, it is ensured that formaldehyde tail gas can be delivered in burning zone 11 the most equably.
Finally, the bottom outside of heat exchanging segment 12 is provided with water inlet 122, and the top outer of heat exchanging segment 12 is provided with steam
Outlet 123, steam (vapor) outlet 123 is connected with drum, is provided with many and is longitudinally arranged and and water inlet in heat exchanging segment 12
122 water pipes 121 being connected with steam (vapor) outlet 123, are arranged at the bottom of heat exchanging segment 12, steam (vapor) outlet by water inlet 122
123 tops being arranged at heat exchanging segment 12, water pipe 121 is longitudinally arranged, and has adapted to the motion path that steam moves upward, has kept away
Non-evaporating vapour carries out disturbance to water, thus ensure that the temperature of steam (vapor) outlet.
Operation principle of the present utility model is:
Formaldehyde tail gas enters the first preheater 31 after water sealed tank 6 and preheats, and formaldehyde tail gas enters burning zone 11, first
Aldehyde tail gas is through tail gas distributor 111 homogenous combustion in burning zone 11, and the oxygen needed for burning has aerator 2 to provide,
Air is sent into air sparger 112 and is uniformly supplied to the use of formaldehyde exhaust combustion, similarly, the sky of entrance by aerator 2
Gas is preheated through the second preheater 32, it addition, the air of aerator 2 conveying provides after burning on tail gas simultaneously
The power risen, the high temperature formaldehyde tail gas after burning is from lower to upper through heat exchanging segment 12, the formaldehyde tail gas exchange hot arc of high temperature
Water pipe 121 in 12 heats so that the softening water in water pipe 121 becomes steam, enters vapour from steam (vapor) outlet 123
Bag, last tail gas is discharged from chimney 13.The handling rate of methanol of the present utility model, formaldehyde and carbon monoxide reaches 99%；
It addition, also substantially increase capacity usage ratio, can be with byproduct steam for production and application.
To sum up, this utility model is by arranging the first preheater 31 at tail gas admission line 1113, at air intake pipe
Second preheater 32, the first preheater 31 and the second preheater 32 are set on 1121 with the high-temperature tail gas in combustion journey section 15
As thermal source, to preheating by the formaldehyde tail gas in the first preheater 31 with by the air in the second preheater 32,
The temperature making formaldehyde tail gas and the air finally entering in burning zone 11 is promoted to 200 DEG C, is effectively increased the combustion of tail gas
Burn efficiency.
Claims (9)
1. a formaldehyde tail gas Integrated Processing Unit, including a vent gas treatment tower (1) be arranged at vent gas treatment tower (1) external
In the aerator (2) of conveying air, this vent gas treatment tower (1) includes being positioned at bottom and realizes formaldehyde tail gas and burn with air
Burning zone (11), be positioned at combustion journey section (15) of this burning zone (11) top and be positioned at top and realize the heat exchanging segment (12) of heat exchange,
The top of heat exchanging segment (12) is provided with chimney (13), and burning zone (11) is provided with the tail gas air inlet pipe entered for formaldehyde tail gas
Road (1113) and the air intake pipe (1121) for carrying air entrance that is connected with aerator (2), it is characterised in that:
Being provided with on described tail gas admission line (1113) and carry out, for PARA FORMALDEHYDE PRILLS(91,95) tail gas, the first preheater (31) of preheating, this is first pre-
The two ends of hot device (31) are connected with combustion journey section (15) by the first preheating pipe (41) respectively, described air intake pipe (1121)
On be provided with the second preheater (32) for air is preheated, the two ends of this second preheater (32) are respectively by the
Two preheating pipes (42) are connected with combustion journey section (15).
Formaldehyde tail gas Integrated Processing Unit the most according to claim 1, it is characterised in that: described first preheater
(31) there is the first preheating cavity (311), in this first preheating cavity (311), be provided with many first economizer banks (312), described
The two ends of many first economizer banks (312) are respectively arranged with the first gather qi together communicated with described many first economizer banks (312)
Dish, described first preheating pipe (41) communicates with described first gather qi together dish, described tail gas admission line (1113) and described first
Preheating cavity (311) communicates.
Formaldehyde tail gas Integrated Processing Unit the most according to claim 1, it is characterised in that: described second preheater
(32) there is the second preheating cavity (321), in this second preheating cavity (321), be provided with many second economizer banks (322), described
The two ends of many second economizer banks (322) are respectively arranged with the second gather qi together communicated with described many second economizer banks (322)
Dish, described second preheating pipe (42) communicates with described second gather qi together dish, described air intake pipe (1121) and described second
Preheating cavity (321) communicates.
Formaldehyde tail gas Integrated Processing Unit the most according to claim 2, it is characterised in that: described tail gas air inlet pipe
The outside being positioned at the first preheater (31) on road (1113) is provided with water sealed tank (6).
5. according to the formaldehyde tail gas Integrated Processing Unit described in any one of Claims 1-4, it is characterised in that: described
Being provided with an air sparger (112) and a tail gas distributor (111) in burning zone (11), this air sparger (112) is with described
Air intake pipe (1121) is connected, and tail gas distributor (111) is connected with described tail gas admission line (1113), and tail gas is distributed
Device (111) is positioned at the top of air sparger (112).
Formaldehyde tail gas Integrated Processing Unit the most according to claim 5, it is characterised in that: described tail gas distributor
(111) there is the flat cavity (1111) communicated with tail gas admission line (1113), at the end face of this flat cavity (1111)
Upper the most radial it is provided with multiple strip tail gas mouth (1112).
Formaldehyde tail gas Integrated Processing Unit the most according to claim 5, it is characterised in that: described air intake duct
Road (1121) is upper is provided with damper (141) near aerator (14) place.
Formaldehyde tail gas Integrated Processing Unit the most according to claim 5, it is characterised in that: in described chimney (13)
It is provided with filter screen (131).
Formaldehyde tail gas Integrated Processing Unit the most according to claim 5, it is characterised in that: described heat exchanging segment (12)
Bottom outside be provided with water inlet (122), the top outer of heat exchanging segment (12) is provided with steam (vapor) outlet (123), steam (vapor) outlet
(123) be connected with drum, be provided with in heat exchanging segment (12) many be longitudinally arranged and with water inlet (122) and steam (vapor) outlet (123)
The water pipe (121) being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620339346.9U CN205606595U (en) | 2016-04-21 | 2016-04-21 | Processing apparatus is synthesized to formaldehyde tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620339346.9U CN205606595U (en) | 2016-04-21 | 2016-04-21 | Processing apparatus is synthesized to formaldehyde tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205606595U true CN205606595U (en) | 2016-09-28 |
Family
ID=56969514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620339346.9U Expired - Fee Related CN205606595U (en) | 2016-04-21 | 2016-04-21 | Processing apparatus is synthesized to formaldehyde tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205606595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894177A (en) * | 2016-10-01 | 2018-04-10 | 浏阳市京港助剂有限公司 | A kind of Formaldehyde Production waste heat comprehensive utilization system |
-
2016
- 2016-04-21 CN CN201620339346.9U patent/CN205606595U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894177A (en) * | 2016-10-01 | 2018-04-10 | 浏阳市京港助剂有限公司 | A kind of Formaldehyde Production waste heat comprehensive utilization system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107014217B (en) | Coke oven gas utilization and flue gas treatment system of coking plant and treatment method thereof | |
| CN104807021B (en) | A kind of high temperature incineration method handles the technique and system of acrylonitrile off-gas | |
| CN106698362B (en) | A kind of energy-efficient sulfur recovery unit and method | |
| CN104075332B (en) | For improving the system and method for yellow phosphoric tail gas comprehensive utilization ratio | |
| CN105258335A (en) | Boiler with exhaust gas heat utilizing device | |
| CN102161484B (en) | Zero-coal-consumption activated carbon production process and production device used in same | |
| CN205606595U (en) | Processing apparatus is synthesized to formaldehyde tail gas | |
| CN206843067U (en) | A kind of energy-efficient sulfur recovery unit | |
| CN105776208A (en) | Production method of active coke | |
| CN205606594U (en) | Formaldehyde tail gas processing apparatus | |
| CN204901784U (en) | Drying chamber waste gas burns burning furnace | |
| CN204438142U (en) | A kind of gasification, and combustion of recirculating fluidized bed process leather waste and bootstrap system | |
| CN106382824A (en) | Novel tube heating furnace waste heat recovery system and method | |
| CN205606596U (en) | Formaldehyde tail gas integrated treatment ware | |
| CN205556106U (en) | Active carbon apparatus for producing | |
| CN205606597U (en) | Formaldehyde tail gas processing apparatus | |
| CN105485670B (en) | The optimization combustion method and special equipment of a kind of alumina producer gaseous pollutant control | |
| CN202080897U (en) | Active carbon production device with zero coal consumption | |
| CN102778133A (en) | Air inlet system of trolley type gas heat treatment furnace | |
| CN207716504U (en) | A kind of heating network optimization system | |
| CN205527733U (en) | Outer hot type methane transformation of way system based on circulation of chemistry working medium | |
| CN204943509U (en) | A kind of organic exhaust gas thermal accumulating incinerator | |
| CN104711039A (en) | Biomass steam-air united gasification device with function of waste-heat utilization and method | |
| CN205579623U (en) | Condensing air preheating flue gas waste heat recovery device | |
| CN103776025B (en) | A kind of multi-stage multi-pipe dry distiller |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 |