CN208533320U - The reverse-flow hot recycling exhaust gas processing device of asphalt - Google Patents
The reverse-flow hot recycling exhaust gas processing device of asphalt Download PDFInfo
- Publication number
- CN208533320U CN208533320U CN201721732991.8U CN201721732991U CN208533320U CN 208533320 U CN208533320 U CN 208533320U CN 201721732991 U CN201721732991 U CN 201721732991U CN 208533320 U CN208533320 U CN 208533320U
- Authority
- CN
- China
- Prior art keywords
- level
- expansion chamber
- chamber
- exhaust gas
- air
- 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.)
- Active
Links
Abstract
The reverse-flow hot recycling exhaust gas processing device of asphalt, including regeneration and drying heating system, primary drying roller, level-one expansion chamber, second level expansion chamber, helix transporting device and promotion conveying device, regeneration and drying heating system includes burner, combustion chamber, feed box and double section drying rollers, the low level of double sections of drying rollers is arranged in combustion chamber, a high position for double sections of drying rollers is arranged in level-one expansion chamber, the inlet exhaust gas end of second level expansion chamber is connect with the offgas outlet of level-one expansion chamber, the second level expansion chamber upper side is equipped with air-introduced machine, the air outlet of the air-introduced machine is connected to primary drying roller, helix transporting device is connect with the particle outlet of level-one expansion chamber and second level expansion chamber respectively, the discharge end of the helix transporting device is connect by promoting conveying device with double section drying rollers.The utility model improves the filter efficiency of tail gas fine particle, it is ensured that the amount that the fine particle in tail gas enters air-introduced machine is preferably minimized, and effectively extends the service life of air-introduced machine.
Description
Technical field
The utility model relates to pitch tail gas disposal technique fields, more specifically refer to a kind of asphalt adverse current
Formula hot recycling exhaust gas processing device.
Background technique
Asphalt mixture heat regeneration technology is a kind of technology for being recycled waste asphalt mixture, is usually matched
It covers primary mixing plant while using.General technology process is to require old asphalt mixture according to designed gradation, by mentioning
The machine of liter, which is promoted, to be sent into drying roller and carries out drying heating, dry the old asphalt mixture that heats using after storage, metering again
Mix is carried out with the new pitch mixture of primary mixing plant production.Drying heating means mainly include downflow type drying heating and it is inverse
Streaming drying heating, a large amount of tail gas can be generated by no matter which kind of drying heating means using, contain a large amount of pitch in tail gas
Cigarette, fine particle.
In the prior art, the most common exhaust gas treating method is to be pumped the tail gas that hot recycling generates by air-introduced machine
In to primary drying roller, make the glance coal in tail gas inside primary drying roller by second-time burning and absorption, fine particle
A large amount of pitch is contained on surface, is prone to wear fan blade after delivering into air-introduced machine with tail gas, and influence blower uses the longevity
Life is usually arranged an expansion chamber in fan inlet front end and is used to filter the fine powder in tail gas to overcome problem above
Grain, but expansion chamber bottom needs often cleaning, is otherwise easy accumulation agglomeration, to influence the efficiency of dust collection of expansion chamber, finally leads
It causes to the shielding failure for causing machine.
In addition, fine particle is Yi Dan be largely admitted in primary drying roller and mixed with the new aggregate of high temperature, fine powder
The asphalt temperature on grain surface, which increases, melts, adhesiveness enhancing, as new aggregate easily adheres to primary set during operating
Standby chute, warehouse etc. are agglomerated using region is easy to appear after a certain period of time, and are difficult to be found, are cleared up that difficulty is big etc. to ask
Topic, will lead to Raw device when serious can not operate normally, and cannot achieve long-time continuous production at this time.
Utility model content
The utility model provides a kind of reverse-flow hot recycling exhaust gas processing device of asphalt, and main purpose is gram
The expansion chamber for taking existing tail gas needs often cleaning, is otherwise easy accumulation agglomeration, reduces the efficiency of dust collection of expansion chamber, and fine powder
Particle is directly entered primary drying roller, is easily adhered agglomeration, it is difficult to be found and clear up the disadvantages of difficulty is big.
The utility model adopts the following technical solution:
The reverse-flow hot recycling exhaust gas processing device of asphalt, including regeneration and drying heating system and primary drying rolling
Cylinder, the regeneration and drying heating system include burner, combustion chamber, feed box and double sections of drying rollers, double section drying rollings
Cylinder is obliquely installed, and the low level of double section drying rollers is arranged in the combustion chamber, is equipped with the burner in the combustion chamber, should
Exhaust gas processing device further includes level-one expansion chamber, level-one exhaust pipe road, second level exhaust pipe road, second level expansion chamber, draws
Blower, helix transporting device and promotion conveying device, a high position for double sections of drying rollers is arranged in the level-one expansion chamber, described
The inlet exhaust gas end of second level expansion chamber is connect by level-one exhaust pipe road with the offgas outlet of the level-one expansion chamber,
The second level expansion chamber upper side is equipped with the air-introduced machine, and the air outlet of the air-introduced machine is connected by second level exhaust pipe road
Be connected to the primary drying roller, the helix transporting device respectively with the level-one expansion chamber particle outlet and second level expansion chamber
The discharge end of particle outlet connection, the helix transporting device is connected by the promotion conveying device and double section drying rollers
It connects.
Further, the level-one expansion chamber includes atmospheric chamber, small gas chamber, feed chute, and the atmospheric chamber is fixed on institute
A high position for double section drying rollers is stated, the bottom end of the atmospheric chamber has particle outlet, and the small gas chamber is placed in above atmospheric chamber, this is small
The top of gas chamber is equipped with offgas outlet, and the feed chute is placed in inside atmospheric chamber, and the height with double section drying rollers
Position is connected.
Further, the second level expansion chamber includes inverted taper flow tank and partition, the top of the taper flow tank
End be equipped with inlet exhaust gas, bottom end be equipped with particle outlet, the air-introduced machine be set to the taper sedimentation upper box part side, it is described every
Plate is set to vertically in the taper flow tank, which separates the inlet exhaust gas and the air-introduced machine.
Further, the feed box is set to the low level of double section drying rollers, which dries double sections
Roller is connect with the combustion chamber.
Further, the discharge end for promoting conveying device is connected in the middle section of double section drying rollers.
From the above description of the utility model, it can be seen, compared to the prior art, the utility model has the advantages that
1, the hot recycling exhaust gas processing device of the utility model, includes level-one expansion chamber and second level expansion chamber, and two-stage is heavy
Drop room improves the filter efficiency of tail gas fine particle, it is ensured that and the amount that the fine particle in tail gas enters air-introduced machine is preferably minimized,
To protect Vanes on Induced Draft Fan, the service life of air-introduced machine is effectively extended.
2, the fine particle that level-one expansion chamber and second level expansion chamber settle down, while being sent back in the middle part of double section drying rollers
Cycling and reutilization, it is ensured that the design level of original old asphalt mixture ensure that the quality of finished asphalt mixture with not being destroyed.
3, reduce a large amount of manual cleaning work, reduce the failure of primary drying roller and regeneration and drying heating system
Rate improves stabilization of equipment performance, it can be achieved that long-time continuous production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In Fig. 1: 10- old Chinese calendar blueness mixture flow direction；20- heat medium flow direction；30- exhaust gas flow direction；40-
Fine particle flow direction.
Specific embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.For comprehensive understanding the utility model, below
Many details are described to, but to those skilled in the art, can also realize the utility model without these details.For public affairs
Component, method and the process known, are not described in detail below.
The reverse-flow hot recycling exhaust gas processing device of asphalt, referring to Fig.1, including regeneration and drying heating system 1, level-one
Expansion chamber 2, level-one exhaust pipe road 3, second level expansion chamber 4, second level exhaust pipe road 5, air-introduced machine 6, helix transporting device
7, conveying device 8 and primary drying roller 9 are promoted.The regeneration and drying heating system 1 include burner 11, combustion chamber 12,
Feed box 13 and double section drying rollers 14, wherein double sections of drying rollers 14 are obliquely installed, and the setting of combustion chamber 12 is dried in double sections
The low level of dry drum 14, one end far from double 14 low levels of section drying roller in the combustion chamber 12 are equipped with the burner 11；Discharging
Case 13 is set to the low level of double section drying rollers 14, which will the double section drying rollers 14 and the combustion chamber 12
Connection.
Referring to Fig.1, above-mentioned level-one expansion chamber 2 includes atmospheric chamber 21, small gas chamber 22 and feed chute 23, the atmospheric chamber 21
It is fixed on a high position for double section drying rollers 14, the bottom end of the atmospheric chamber 21 has a particle outlet, the small gas chamber 22
It is placed in 21 top of atmospheric chamber, the top of the small gas chamber 21 is equipped with offgas outlet, and the feed chute 23 is placed in atmospheric chamber 21
Portion, and be connected with a high position for double section drying rollers 14.
Referring to Fig.1, above-mentioned second level expansion chamber 4 includes inverted taper flow tank 41 and partition 42, the taper flow tank
Top be equipped with inlet exhaust gas, the tail gas that inlet exhaust gas end passes through level-one exhaust pipe road 3 and the level-one expansion chamber 2
Outlet connection；The bottom end of taper flow tank 41 is equipped with particle outlet, and above-mentioned air-introduced machine 6 is set to 41 top of taper flow tank
Side, the partition 42 are set in the taper flow tank 41 vertically, and the partition 42 is by the inlet exhaust gas and the air-introduced machine 6
Separate, the tail gas not settled is prevented directly to be drawn in primary drying roller 9 by air-introduced machine.The air outlet of air-introduced machine 6 passes through
Second level exhaust pipe road 5 is connected to the primary drying roller 9.
Referring to Fig.1, above-mentioned helix transporting device 7 respectively with the level-one expansion chamber particle outlet and second level expansion chamber particle
The discharge end of outlet connection, the helix transporting device is connected by the middle section of the promotion conveying device and double section drying rollers
It connects.
The reverse-flow hot recycling exhaust gas treating method of the asphalt, comprising the following steps: (1), tail gas along double sections dry
High-order adverse current in dry drum enters level-one expansion chamber, and most of dust particles in tail gas are heavy from level-one under its gravity
The bottom of drop room enters helix transporting device, remaining tail gas enters second level expansion chamber from the offgas outlet of level-one expansion chamber；(2),
Dust particles in second level expansion chamber inner exhaust gas enter helix transporting device from its bottom under its gravity, remaining tail gas exists
Air-introduced machine effect is lower to be utilized into burning in primary drying roller；(3), the dust particles in helix transporting device are defeated by being promoted
It send device to be delivered in double section drying rollers and carries out drying heating recycling.
The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto,
All non-essential modifications to the present invention made by this concept should belong to the row for invading scope of protection of the utility model
For.
Claims (5)
1. the reverse-flow hot recycling exhaust gas processing device of asphalt, including regeneration and drying heating system and primary drying roller,
The regeneration and drying heating system includes burner, combustion chamber, feed box and double sections of drying rollers, and double section drying rollers incline
Tiltedly setting, the combustion chamber are arranged in the low level of double section drying rollers, are equipped with the burner, feature in the combustion chamber
It is: further includes level-one expansion chamber, level-one exhaust pipe road, second level exhaust pipe road, second level expansion chamber, air-introduced machine, spiral shell
It revolves conveying device and promotes conveying device, a high position for double sections of drying rollers is arranged in the level-one expansion chamber, and the second level is heavy
The inlet exhaust gas end of drop room is connect by level-one exhaust pipe road with the offgas outlet of the level-one expansion chamber, the second level
Expansion chamber upper side is equipped with the air-introduced machine, and the air outlet of the air-introduced machine is connected to institute by second level exhaust pipe road
Primary drying roller is stated, the helix transporting device goes out with the level-one expansion chamber particle outlet and second level expansion chamber particle respectively
Mouth connection, the discharge end of the helix transporting device are connect by the promotion conveying device with double section drying rollers.
2. the reverse-flow hot recycling exhaust gas processing device of asphalt as described in claim 1, it is characterised in that: the level-one
Expansion chamber includes atmospheric chamber, small gas chamber, feed chute, and the atmospheric chamber is fixed on a high position for double section drying rollers, this is big
The bottom end of gas chamber has particle outlet, and the small gas chamber is placed in above atmospheric chamber, and the top of the small gas chamber is equipped with offgas outlet, institute
The feed chute stated is placed in inside atmospheric chamber, and is connected with a high position for double section drying rollers.
3. the reverse-flow hot recycling exhaust gas processing device of asphalt as described in claim 1, it is characterised in that: the second level
Expansion chamber includes inverted taper flow tank and partition, and the top of the taper flow tank is equipped with inlet exhaust gas, and bottom end is equipped with
Grain outlet, the air-introduced machine are set to the side of taper sedimentation upper box part, and the partition is set to the taper flow tank vertically
Interior, which separates the inlet exhaust gas and the air-introduced machine.
4. the reverse-flow hot recycling exhaust gas processing device of asphalt as described in claim 1, it is characterised in that: the discharging
Case is set to the low level of double section drying rollers, which connect double section drying rollers with the combustion chamber.
5. the reverse-flow hot recycling exhaust gas processing device of asphalt as described in claim 1, it is characterised in that: the promotion
The discharge end of conveying device is connected in the middle section of double section drying rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732991.8U CN208533320U (en) | 2017-12-13 | 2017-12-13 | The reverse-flow hot recycling exhaust gas processing device of asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732991.8U CN208533320U (en) | 2017-12-13 | 2017-12-13 | The reverse-flow hot recycling exhaust gas processing device of asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208533320U true CN208533320U (en) | 2019-02-22 |
Family
ID=65398633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721732991.8U Active CN208533320U (en) | 2017-12-13 | 2017-12-13 | The reverse-flow hot recycling exhaust gas processing device of asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208533320U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829348A (en) * | 2017-12-13 | 2018-03-23 | 福建铁拓机械有限公司 | The reverse-flow hot recycling exhaust gas processing device of asphalt and method |
| CN113063285A (en) * | 2021-04-25 | 2021-07-02 | 湖南农业大学 | Cyclone type rapeseed drying device |
-
2017
- 2017-12-13 CN CN201721732991.8U patent/CN208533320U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829348A (en) * | 2017-12-13 | 2018-03-23 | 福建铁拓机械有限公司 | The reverse-flow hot recycling exhaust gas processing device of asphalt and method |
| CN113063285A (en) * | 2021-04-25 | 2021-07-02 | 湖南农业大学 | Cyclone type rapeseed drying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107829348A (en) | The reverse-flow hot recycling exhaust gas processing device of asphalt and method | |
| CN208526895U (en) | A kind of pulverizing medicinal materials equipment for discharging pure and high resource utilization | |
| CN208533320U (en) | The reverse-flow hot recycling exhaust gas processing device of asphalt | |
| CN104689897B (en) | Automatic grinding system and method for cokes | |
| CN212798753U (en) | Dust remover ash discharge system | |
| CN103557697A (en) | Novel rotary kiln | |
| CN206981402U (en) | House refuse low temperature pyrogenation processing system | |
| CN105645113A (en) | Sodium bicarbonate gathering, transporting and injecting method | |
| CN206980519U (en) | A kind of feed addictive mixing plant with dust pelletizing system | |
| JP5017992B2 (en) | Wood waste fueling device, wood waste processing method, and cement firing facility | |
| CN205893051U (en) | Paper mill's sludge treatment system | |
| CN111397334B (en) | System and method for biomass fuel production | |
| CN205914004U (en) | Stench gas control processing system | |
| CN205717287U (en) | Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus | |
| CN212882859U (en) | Production line device for recycling glass fiber waste silk | |
| CN109943712B (en) | Chromium mineral powder sintering method and sintering system | |
| CN104154554B (en) | A kind of fine cleaned coal dehumidification system dust disposal technique | |
| CN208853255U (en) | A kind of stalk particle dust-extraction unit for charcoal production | |
| CN108793668B (en) | Method for atomizing, drying and incinerating sludge | |
| CN208332308U (en) | Coal-fired sludge coupled electricity-generation system | |
| CN102445057A (en) | Titanium concentrate drying process | |
| CN106215625A (en) | A kind of foul gas controls processing system | |
| CN103423732B (en) | Modified boiler with crop straw replacing fire coal | |
| CN219389712U (en) | High-efficient clean many coal types whirl buggy combustor | |
| CN204546827U (en) | A kind of fluorine that reclaims moulds sheet material comminutor feeder unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 362000 No.1 intelligent equipment Industrial Park, Luojiang District, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Patentee after: Fujian tietuo Machinery Co., Ltd Address before: 362000 Tong Xi industrial zone, Luojiang District, Fujian, Quanzhou Patentee before: FUJIAN TIETUO MACHINERY Co.,Ltd. |