CN205495003U - Pressure spraying drying tower with material and tail gas cooling function - Google Patents
Pressure spraying drying tower with material and tail gas cooling function Download PDFInfo
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- CN205495003U CN205495003U CN201620109245.2U CN201620109245U CN205495003U CN 205495003 U CN205495003 U CN 205495003U CN 201620109245 U CN201620109245 U CN 201620109245U CN 205495003 U CN205495003 U CN 205495003U
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- temperature
- tail gas
- reducing device
- thermal resistance
- wind cooling
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Abstract
The utility model discloses a pressure spraying drying tower with material and tail gas cooling function, prepare system, emulsion water -spraying system, vent gas treatment system in, control system and air cooling device including drying tower, hot -air. Be equipped with material air cooling device between drying tower's drying chamber and the deposit room, set up tail gas air cooling device on lieing in the pipeline between deposit room and the cyclone, the first thermal resistance of installation on the pipeline between cyclone and sack cleaner, at the indoor location second thermal resistance that gathers materials, first thermal resistance detects the tail gas temperature often, if the temperature that detects is higher than the to set the temperature scope, then control system control tail gas air cooling device lowers the temperature, the second thermal resistance detects material temperature often, if the temperature that detects is higher than the to set the temperature scope, then control system control material air cooling device lowers the temperature.
Description
Technical field
This utility model belongs to pressure spray drying tower technical field, particularly to a kind of pressure spray drying tower with material and tail gas cooling function.
Background technology
The dry tail gas of the esters of acrylic acid functional polymer pressure spray drying towers such as used ACR, AIM, MBS is under the swabbing action of air-introduced machine, first laggard overwinding wind separator and sack cleaner, the polymer attritive powder remained in tail gas is separated and collected, when exhaust temperature is too high, the material in tail gas can bond cloth bag cause cloth bag lost efficacy or scrap.If entering tower hot blast temperature by reduction to reduce exhaust temperature, then production capacity can be caused to decline to a great extent or the insufficient Moisture high UCL of product drying；And if enter tower hot blast temperature improve, although being dried production capacity to improve, but tower interpolymer powder will present molten rising or the viscous state of semi-molten, after tail gas enters cloth bag, polymer powder in tail gas will quickly bond dust-removal cloth-bag cause sack cleaner blocking lost efficacy and scrap, dried product as temperature too high bonding caking, cannot normally use.
Summary of the invention
For solving above-mentioned technical problem present in prior art, this utility model provides a kind of pressure spray drying tower with material and tail gas cooling function.
The purpose of this utility model is achieved through the following technical solutions: a kind of pressure spray drying tower with material and tail gas cooling function, including dry tower body, hot-air preparation system, LS system, exhaust treatment system, DCS or PLC control system and Wind cooling temperature reducing device, it is provided with material Wind cooling temperature reducing device between hothouse and the expansion chamber of described dry tower body, pipeline between described expansion chamber and cyclone separator arranges tail gas Wind cooling temperature reducing device, first thermal resistance is installed on the pipeline between described cyclone separator and sack cleaner, at described indoor location the second thermal resistance that gathers materials, described first thermal resistance detects exhaust temperature constantly, if the temperature of detection is higher than the temperature range set, the most described DCS or PLC control system control tail gas Wind cooling temperature reducing device and lower the temperature；Described second thermal resistance detects temperature of charge constantly, lowers the temperature if the temperature of detection controls material Wind cooling temperature reducing device higher than the temperature range set, the most described DCS or PLC control system.
Preferably, described hothouse includes the first hothouse and secondary drying chamber, is provided with material Wind cooling temperature reducing device between described secondary drying chamber and expansion chamber.
Preferably, described tail gas Wind cooling temperature reducing device includes the first automatic control adjustable valve and the first air filter；Described material heat sink includes the second automatic control adjustable valve and the second air filter.
This utility model provides the benefit that: this utility model controls exhaust temperature by tail gas Wind cooling temperature reducing device and meets technological requirement, eliminates the sack cleaner blocking caused because of polymer powder temperature too high bonding dust-removal cloth-bag in tail gas and lost efficacy and scrapped hidden danger；Meet technological requirement by material cooling air cooling device control the to gather materials polymer masses temperature of indoor, solve dried product because temperature too high bonding caking, the problem that cannot normally use.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model has the pressure spray drying tower of material and tail gas cooling function；
In figure: 1 air compartment, 2 spray chambers, 3 first hothouses, 4 secondary drying chambers, 5 expansion chambers, 6 gather materials room, 7 screw discharging machines, 8 spin vibration sieves, 9 feed screws, 10 cyclone separator, 11 sack cleaners, 12 air-introduced machines, 13 atomizers, 14 emulsion pumps, 15 heat exchangers, 16 air filters, 17 material Wind cooling temperature reducing devices, 18 tail gas Wind cooling temperature reducing devices, T1 the first thermal resistance, T2 the second thermal resistance.
Detailed description of the invention
In conjunction with the accompanying drawings and embodiments this utility model is described further.
nullAs shown in Figure 1，As shown in Figure 1，A kind of pressure spray drying tower with material and tail gas cooling function，Including dry tower body、Hot-air produces supply air system、LS system、Exhaust treatment system、DCS or PLC control system and quick Wind cooling temperature reducing device，Dry tower body includes air compartment 1、Spray chamber 2、First hothouse 3、Secondary drying chamber 4、Expansion chamber 5、Gather materials room 6，Described air compartment 1 is connected with air-supply arrangement，Described air-supply arrangement includes heat exchanger 15 and air filter 16，Described spray chamber 2 is upper cone structure，Described spray chamber 2 is provided with atomizer 13，Atomizer 13 is connected with emulsion pumps 14 by pipeline，Lower end, described secondary drying chamber 4 connects expansion chamber 5，Expansion chamber 5 is connected with the room 6 that gathers materials，The room 6 that gathers materials is connected with screw discharging machine 7，Screw discharging machine 7 is connected with spin vibration sieve，Spin vibration sieve 8 is connected with feed screw 9，Feed screw 9 is connected with cyclone separator 10 and sack cleaner 11 respectively，Described cyclone separator 10 is connected with described expansion chamber 5 by pipeline，Described cyclone separator 10 is connected with sack cleaner 11，Sack cleaner 11 is connected with air-introduced machine 12.
This utility model is provided with between secondary drying chamber 4 and expansion chamber 5 material Wind cooling temperature reducing device 17, pipeline between described expansion chamber 5 and cyclone separator 10 arranges tail gas Wind cooling temperature reducing device 18, first thermal resistance T1 is installed on the pipeline between described cyclone separator 10 and sack cleaner 11, second thermal resistance T2 is installed in the described room 6 that gathers materials, described first thermal resistance T1 detects exhaust temperature constantly, lower the temperature if the temperature of detection controls tail gas Wind cooling temperature reducing device 18 higher than the temperature range set, the most described DCS or PLC control system；Described second thermal resistance T2 detects temperature of charge constantly, lowers the temperature if the temperature of detection controls material Wind cooling temperature reducing device 17 higher than the temperature range set, the most described DCS or PLC control system.
When material Wind cooling temperature reducing device 17 is started working, second automatic control adjustable valve and the second chain control of thermal resistance T2, DCS or PLC control system automatically control the aperture of the second automatic control adjustable valve and control air mass flow, cold air is made to enter through the second air filter, lowering the temperature polymer masses at drying tower expansion chamber and room part of gathering materials, the indoor temperature that keeps gathering materials meets technological requirement.In this manner it is possible to keep higher to enter tower hot blast temperature, improve drying tower prouctiveness and product water content up to standard while, eliminate dried polymeric articles because temperature too high bonding caking, the problem that cannot normally use.
When tail gas Wind cooling temperature reducing device 18 is started working, first automatic control adjustable valve and the first chain control of thermal resistance T2, DCS or PLC control system automatically control the aperture of the first automatic control adjustable valve and control air mass flow, make cold air enter flow through the first air filter, exhaust temperature is lowered the temperature and keeps sack cleaner entrance exhaust temperature to meet technological requirement.In this manner it is possible to keep higher to enter tower hot blast temperature, improve drying tower prouctiveness and product water content up to standard while, eliminate the sack cleaner that residual polyalcohol powder felt jam dust-removal cloth-bag in tail gas causes and lost efficacy and scrapped problem.
This utility model controls exhaust temperature by tail gas Wind cooling temperature reducing device and meets technological requirement, eliminates the sack cleaner blocking caused because of polymer powder temperature too high bonding dust-removal cloth-bag in tail gas and lost efficacy and scrapped hidden danger；Meet technological requirement by the air-cooled device for cooling of material control the to gather materials polymer masses temperature of indoor, solve dried product because temperature too high bonding caking, the problem that cannot normally use.
In this description, this utility model is described with reference to its specific embodiment.But it is clear that still various modifications may be made and conversion is without departing from spirit and scope of the present utility model.Therefore, specification and drawings is regarded in an illustrative, rather than a restrictive.
Claims (3)
1. a pressure spray drying tower with material and tail gas cooling function, including dry tower body, hot-air preparation system, LS system, exhaust treatment system, DCS or PLC control system and Wind cooling temperature reducing device, it is characterized in that, the hothouse of described dry tower body and gather materials and be provided with material Wind cooling temperature reducing device between room, on pipeline between expansion chamber and the cyclone separator at described dry tower body, tail gas Wind cooling temperature reducing device is set, first thermal resistance is installed on the pipeline between described cyclone separator and sack cleaner, at described indoor location the second thermal resistance that gathers materials, described first thermal resistance detects exhaust temperature in real time, if the temperature of detection is higher than the temperature range set, the most described DCS or PLC control system control tail gas Wind cooling temperature reducing device and lower the temperature；Described second thermal resistance detects temperature of charge constantly, lowers the temperature if the temperature of detection controls material Wind cooling temperature reducing device higher than the temperature range set, the most described DCS or PLC control system.
The pressure spray drying tower with material and tail gas cooling function the most according to claim 1, it is characterised in that described hothouse includes the first hothouse and secondary drying chamber, is provided with material Wind cooling temperature reducing device between described secondary drying chamber and expansion chamber.
The pressure spray drying tower with material and tail gas cooling function the most according to claim 1, it is characterised in that described tail gas Wind cooling temperature reducing device includes the first automatic control adjustable valve and the first air filter；Described material Wind cooling temperature reducing device includes the second automatic control adjustable valve and the second air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109245.2U CN205495003U (en) | 2016-02-03 | 2016-02-03 | Pressure spraying drying tower with material and tail gas cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620109245.2U CN205495003U (en) | 2016-02-03 | 2016-02-03 | Pressure spraying drying tower with material and tail gas cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205495003U true CN205495003U (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620109245.2U Active CN205495003U (en) | 2016-02-03 | 2016-02-03 | Pressure spraying drying tower with material and tail gas cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205495003U (en) |
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2016
- 2016-02-03 CN CN201620109245.2U patent/CN205495003U/en active Active
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