CN106196922B - A kind of mercury catalyst switch type hot-air drying stove - Google Patents
A kind of mercury catalyst switch type hot-air drying stove Download PDFInfo
- Publication number
- CN106196922B CN106196922B CN201610637852.0A CN201610637852A CN106196922B CN 106196922 B CN106196922 B CN 106196922B CN 201610637852 A CN201610637852 A CN 201610637852A CN 106196922 B CN106196922 B CN 106196922B
- Authority
- CN
- China
- Prior art keywords
- drying oven
- air
- heater
- drying
- tail gas
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/022—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure with provisions for changing the drying gas flow pattern, e.g. by reversing gas flow, by moving the materials or objects through subsequent compartments, at least two of which have a different direction of gas flow
- F26B21/028—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure with provisions for changing the drying gas flow pattern, e.g. by reversing gas flow, by moving the materials or objects through subsequent compartments, at least two of which have a different direction of gas flow by air valves, movable baffles or nozzle arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
A kind of mercury catalyst switch type hot-air drying stove provided by the invention, including drying oven A, drying oven B, support frame, air inlet air-heater, tail gas air-heater；The drying oven A and drying oven B is fixedly mounted on the support frame, the upper end of drying oven A and drying oven B are provided with feed inlet, drying oven A and the lower end drying oven B are provided with discharge port, the tail gas air-heater is connect with drying oven A, the gas outlet A of the upper end drying oven B, gas outlet B, the lower end that circulating line is connected to drying oven A and drying oven B is additionally provided on tail gas air-heater, the present invention controls the exchange for realizing drying oven and predrying furnace part by valve, the consecutive production for realizing drying oven, reduces drying time and production cost；It is recycled by entering tail gas after air-heater heats again, reduces the energy consumption of air heating, reduce discharge amount, decrease environmental pollution；By the way that discharge port setting in dry furnace bottom, is reduced Existent Costs when discharging.
Description
Technical field
The present invention relates to mercury catalysts to produce dry field, is specifically related to mercury catalyst switch type hot-air drying stove.
Background technique
Hot-air drying stove is a kind of dry widely applied drying oven in field of mercury catalyst, and major function is carried out to raw material
Heat drying.The excellent quality for directly influencing product of drying property, drying efficiency directly influence production efficiency.Currently,
Used hot-air drying stove, drying means are as follows: mercury catalyst to be dried is added at the top of from drying oven, using air-heater to air
It is heated to assigned temperature, is blown into from dry furnace bottom, tail gas is directly discharged to gas purification treatment process section from top, dry to complete
Afterwards, extract raw material from top out dry stove evacuation.
Contained heat is relatively high in tail gas in above-mentioned technique, and generally between 75-85 DEG C, direct emission causes exhaust temperature
Energy dissipation needs to consume big energy, increases production cost, and in vacuum secondly, raw material is extracted out from top
In, big carbon content active, which collides, generates a large amount of powder, is unfavorable for production operation.
When solving the above problems, a kind of mercury catalyst that publication No. is CN104197692 produces circulation of tail gas and utilizes drying
System and its drying means disclose circulation of tail gas using drying system and its drying means, although the patent carries out tail gas
It recycles, but this technique can not achieve dry continuous operation.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of mercury catalyst switch type hot-air drying stoves.
The present invention is achieved by the following technical programs.
A kind of mercury catalyst switch type hot-air drying stove provided by the invention, including drying oven A, drying oven B, support frame, into
Wind-heat blower, tail gas air-heater；The drying oven A and drying oven B is fixedly mounted on the support frame, drying oven A and drying oven B
Upper end be provided with feed inlet, drying oven A and the lower end drying oven B are provided with discharge port, air inlet air-heater and drying oven A,
The air inlet A of the lower end drying oven B, air inlet B connection, the gas outlet of the tail gas air-heater and drying oven A, the upper end drying oven B
A, gas outlet B connection, is additionally provided with the lower end that circulating line is connected to drying oven A and drying oven B on tail gas air-heater, it is described go out
Port A and gas outlet B are also connect with offgas outlet, are divided on the pipeline between the gas outlet A, gas outlet B and tail gas air-heater
Be not provided with tail gas air-heater front end valve B and tail gas air-heater front end valve A, the gas outlet A, gas outlet B and offgas outlet it
Between pipeline on be respectively arranged with exhaust valve A, exhaust valve B.
It is in 15~45 ° of angles between the drying oven A and drying oven B.
Two are mounted on wind deflector above and below in the drying oven A and drying oven B.
The feed inlet is arranged in the top incline of drying oven A and drying oven B, and the discharge port is arranged in drying oven A
With the bottom incline of drying oven B.
Intake valve A and air inlet are respectively arranged on connecting line between the air inlet A, air inlet B and air inlet air-heater
Valve B.
What the circulating line was connected with drying oven A, drying oven B, which be in charge of, is respectively arranged with circulation intake valve A and circulation
Intake valve B.
Temperature sensor is provided in the tail gas air-heater.
The beneficial effects of the present invention are: the exchange for realizing drying oven and predrying furnace part is controlled by valve, is realized
The consecutive production of drying oven, reduces drying time and production cost；It is followed by entering tail gas after air-heater heats again
Ring utilizes, and reduces the energy consumption of air heating, reduces discharge amount, decrease environmental pollution；By the way that discharge port is set
It sets in dry furnace bottom, reduces Existent Costs when discharging.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
In figure: 1- drying oven A, 2- drying oven B, 3- support frame, 4- air inlet air-heater, 5- tail gas air-heater, 6- wind deflector,
7- offgas outlet, 8- circulating line, 9- intake valve A, 10- intake valve B, 11- air inlet A, 12- air inlet B, 13- discharge port,
The gas outlet 14- A, 15- gas outlet B, 16- exhaust valve A, 17- exhaust valve B, 18- tail gas air-heater front end valve A, 19- feed inlet,
20- tail gas air-heater front end valve B, 21- recycle intake valve A, and 22- recycles intake valve B.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
A kind of mercury catalyst switch type hot-air drying stove as shown in Figure 1, including drying oven A1, drying oven B2, support frame 3,
Enter the wind air-heater 4, tail gas air-heater 5；The drying oven A1 and drying oven B2 are fixedly mounted on support frame 3, drying oven A1 and
The upper end of drying oven B2 is provided with feed inlet 19, and drying oven A1 and the lower end drying oven B2 are provided with discharge port 13, air inlet heat
Blower 4 is connect with drying oven A1, the air inlet A11 of the lower end drying oven B2, air inlet B12, the tail gas air-heater 5 and drying oven
A1, the gas outlet A14 of the upper end drying oven B2, gas outlet B15 connection are additionally provided with the connection of circulating line 8 on tail gas air-heater 5
In the lower end of drying oven A1 and drying oven B2, the gas outlet A14 and gas outlet B15 are also connect with offgas outlet 7, it is described go out
Tail gas air-heater front end valve B20 and tail gas are respectively arranged on pipeline between port A14, gas outlet B15 and tail gas air-heater 5
End valve A18 before air-heater is respectively arranged with exhaust on the pipeline between the gas outlet A14, gas outlet B15 and offgas outlet 7
Valve A16, exhaust valve B17.
It is in 15~45 ° of angles between the drying oven A1 and drying oven B2.By being arranged discharge port in drying oven lower end,
Make not need vacuum pump when discharging to vacuumize, pour out mercury catalyst can all by self gravity.
Two are mounted on wind deflector 6 above and below in the drying oven A1 and drying oven B2.Form drying oven upper and lower ends
Cavity structure, being first filled with the cavity at air inlet and passing through wind deflector again and enter that mercury catalyst is dried between mercury catalyst touches mercury
Matchmaker's uniform drying.
The feed inlet 19 is arranged in the top incline of drying oven A1 and drying oven B2, and the setting of discharge port 13 is dry
The bottom incline of dry furnace A1 and drying oven B2.
Intake valve A9 is respectively arranged on connecting line between the air inlet A11, air inlet B12 and air inlet air-heater 4
With intake valve B10.
What the circulating line 8 was connected with drying oven A1, drying oven B2 be in charge of be respectively arranged with circulation intake valve B22 and
Recycle intake valve A21.
Temperature sensor is provided in the tail gas air-heater 5.
When implementing, mercury catalyst to be dried is packed into the present invention from feed inlet 19, is filled two drying ovens, is closed intake valve
A9, circulation intake valve A21, exhaust valve B17, tail gas air-heater front end valve B20, open air-heater 4, hot wind from air inlet B12 into
Enter, hot wind passes through split-wind plate and mercury catalyst to be dried is dried, and tail gas enters tail gas air-heater by drying oven gas outlet B15
5, when exhaust temperature is lower than 80 DEG C, tail gas air-heater 5 heats tail gas, enters the bottom drying oven A1 through circulating line 8,
Then predrying is carried out to raw material by the wind deflector 6 of predrying furnace, then passes through the gas outlet B14 of predrying furnace, through tail gas
7 discharge of outlet.
After the completion of drying oven B2 is dry, valve intake valve B10, circulation intake valve B22, exhaust valve B17, exhaust gas heat are closed
End valve B20 before blower；Remaining valve is opened, the product in drying oven A1 is dried, the product in drying oven B2 passes through
After discharge port 13 is discharged, mercury catalyst to be dried is added again, it is rear to close exhaust valve A16, tail gas air-heater front end valve A18, simultaneously
Tail gas air-heater front end valve B20, exhaust valve B17 are opened, drying oven A1 becomes drying oven at this time, and tail gas passes through circulation intake valve
A21 enters drying oven B2 and carries out predrying, and system most is discharged through exhaust valve B17 valve afterwards.Thus realize drying oven and predrying
Conversion, while realizing the consecutive production of drying oven.
Claims (5)
1. a kind of mercury catalyst switch type hot-air drying stove, including drying oven A (1), drying oven B (2), support frame (3), air inlet hot wind
Machine (4), tail gas air-heater (5), it is characterised in that: the drying oven A (1) and drying oven B (2) are fixedly mounted on support frame (3)
On, the upper end of drying oven A (1) and drying oven B (2) are provided with feed inlet (19), drying oven A (1) and drying oven B (2) lower end
It is provided with discharge port (13), air inlet air-heater (4) and drying oven A (1), the air inlet A (11) of drying oven B (2) lower end, air inlet
Mouth B (12) is connected, and is provided with intake valve A (9) on the connecting line between the air inlet A (11) and air inlet air-heater (4), described
Air inlet B (12) and air inlet air-heater (4) between connecting line on be provided with intake valve B (10), the tail gas air-heater (5) with
Drying oven A (1), the gas outlet A (14) of drying oven B (2) upper end, gas outlet B (15) connection, tail gas air-heater are also set up on (5)
There is circulating line (8) to be connected to the lower end of drying oven A (1) and drying oven B (2), the circulating line (8) and drying oven A (1) are even
Being in charge of for connecing is provided with circulation intake valve B (22), is provided with the circulating line (8) and being in charge of for drying oven B (2) connection
It recycles intake valve A (21), the gas outlet A (14) and gas outlet B (15) are also connect with offgas outlet (7), the gas outlet A
(14) be provided with tail gas air-heater front end valve B (20) on the pipeline between tail gas air-heater (5), the gas outlet B (15) with
Tail gas air-heater front end valve A (18) is provided on pipeline between tail gas air-heater (5), the gas outlet A (14) goes out with tail gas
It is provided with exhaust valve A (16) on pipeline between mouth (7), is set on the pipeline between the gas outlet B (15) and offgas outlet (7)
It is equipped with exhaust valve B (17).
2. mercury catalyst switch type hot-air drying stove as described in claim 1, it is characterised in that: the drying oven A (1) and drying
It is in 15~45 ° of angles between furnace B (2).
3. mercury catalyst switch type hot-air drying stove as described in claim 1, it is characterised in that: the drying oven A (1) and drying
Two are mounted on wind deflector (6) above and below in furnace B (2).
4. mercury catalyst switch type hot-air drying stove as described in claim 1, it is characterised in that: feed inlet (19) setting exists
In the top incline of drying oven A (1) and drying oven B (2), the discharge port (13) is arranged in drying oven A (1) and drying oven B (2)
Bottom incline.
5. mercury catalyst switch type hot-air drying stove as described in claim 1, it is characterised in that: in the tail gas air-heater (5)
It is provided with temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637852.0A CN106196922B (en) | 2016-08-05 | 2016-08-05 | A kind of mercury catalyst switch type hot-air drying stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637852.0A CN106196922B (en) | 2016-08-05 | 2016-08-05 | A kind of mercury catalyst switch type hot-air drying stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106196922A CN106196922A (en) | 2016-12-07 |
| CN106196922B true CN106196922B (en) | 2018-12-14 |
Family
ID=57513564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610637852.0A Expired - Fee Related CN106196922B (en) | 2016-08-05 | 2016-08-05 | A kind of mercury catalyst switch type hot-air drying stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106196922B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465329A (en) * | 2021-06-24 | 2021-10-01 | 宁夏新龙蓝天科技股份有限公司 | Novel oxygen-free mercury-free catalyst drying process |
| CN113606889B (en) * | 2021-07-26 | 2023-01-17 | 北京林业大学 | Device for drying wood and recycling heat energy |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556273A (en) * | 1994-10-28 | 1996-09-17 | Tuscaloosa Steel Corporation | Combustion system for a steckle mill |
| JP2013142501A (en) * | 2012-01-11 | 2013-07-22 | Babcock Hitachi Kk | Exhaust gas treatment device and exhaust gas treatment method |
| CN104197692B (en) * | 2014-08-04 | 2017-03-15 | 贵州省万山银河化工有限责任公司 | A kind of mercury catalyst production circulation of tail gas is using drying system and its drying meanss |
| CN104165508B (en) * | 2014-08-06 | 2016-06-08 | 贵州省万山银河化工有限责任公司 | A kind of mercury catalyst dehumidification system air quantity controller and control method thereof |
-
2016
- 2016-08-05 CN CN201610637852.0A patent/CN106196922B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN106196922A (en) | 2016-12-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: Zhangjiawan Industrial Park 554200 Guizhou city of Tongren province Wanshan District Co-patentee after: GUIZHOU Research Institute OF CHEMICAL INDUSTRY Patentee after: Guizhou xinzhicheng Chemical Co.,Ltd. Address before: Zhangjiawan Industrial Park Wanshan District 554200 Guizhou area of Tongren Province Co-patentee before: GUIZHOU RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Patentee before: GUIZHOU PROVINCE TONGREN WANSHAN DISTICT HONGFA CHEMICAL Co.,Ltd. |
|
| 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: 20181214 Termination date: 20210805 |