CN205482466U - Graphite jacket sleeve cooler - Google Patents
Graphite jacket sleeve cooler Download PDFInfo
- Publication number
- CN205482466U CN205482466U CN201620256001.7U CN201620256001U CN205482466U CN 205482466 U CN205482466 U CN 205482466U CN 201620256001 U CN201620256001 U CN 201620256001U CN 205482466 U CN205482466 U CN 205482466U
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- cooler
- graphite
- tail gas
- pipe
- pipeline
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Abstract
The utility model discloses a graphite jacket sleeve cooler, including at least a lesson cooler pipeline, the transitional coupling pipe is installed at the both ends of cooler pipeline, the cooler pipeline is by outward to interior steel sheel layer, guide plate and the carbon tube of being in proper order, one end is equipped with the water inlet on the steel sheel, and the other end is equipped with the delivery port. The one -level tail gas venturi scrubber entry of installing at tail gas absorption system, main effect carry out cooling to tail gas, improve the multistage tail gas packing absorbing tower assimilation effect of subsequent handling. The carbon tube that the cooler used has good heat conduction, heat -resisting and corrosion resisting property, though guaranteed have strong corrosivity hydrochloric acid to produce including the tail gas of hydrogen chloride, chlorine, air, vapourous water when cooling off to the lower temperature through the carbon tube cooler, graphite jacket sleeve cooler also can not be by the salt acid corrosion.
Description
Technical field
This utility model relates to the graphite jacket pipe cooler used in white carbon black production technical field, especially nanoscale gas-phase silica production line tail gas absorbing system.
Background technology
nullIn the production process of nanoscale fume colloidal silica，The high-temperature tail gas being synthesized contains hydrogen chloride、A small amount of chlorine、Vapourous water and white carbon dust etc.，Tail gas temperature after three grades of aluminum matter cyclone dust extractors and one-level aluminum matter sack cleaner separation dedusting is down to 150-200 degree，Cool down through one section of longer aluminum pipe again，Tail gas temperature when entering one-level Venturi scrubber is down to 90-100 degree (when exhaust temperature is below 100 degree，Moisture condensation Cheng Shuiyu hydrogen chloride contained in tail gas combines generation hydrochloric acid and has very severe corrosive)，In order to avoid aluminum offgas duct is corroded，We are after aluminum matter offgas duct and enter to be provided with before one-level Venturi scrubber import one section 2 meters how long steel skeleton composite plastic pipes (polyethylene tube)，This polyethylene pipe hydrochloric acid corrosion resistant is good，The temperature conditions about half a year in lower service life (principal element that plastic tube damages is high temperature ageing) of 90-100 degree.In order to improve the assimilation effect of subsequent handling multistage tail gas packed absorber and extend the service life of steel skeleton composite plastic pipe, exhaust temperature requires the lowest more good, but exhaust temperature is too low can make again the water vapour contained in tail gas be condensed into water, water is combined generation hydrochloric acid, heavy corrosion aluminum matter pipeline and aluminium equipment with hydrogen chloride.Best bet is exactly that tail gas temperature in aluminum pipe and aluminum equipment is higher than 100 degree the highest, avoid pipeline, equipment by hcl corrosion, tail gas temperature when entering one-level fiberglass Venturi scrubber is low, avoiding fiberglass Venturi scrubber high temperature ageing to damage, the tail gas absorption effect of the multistage packed absorber of subsequent handling is more preferable.
Summary of the invention
A kind of graphite jacket pipe cooler that this utility model provides, its simple in construction, cheap, good effect of heat exchange, decay resistance is strong.
For solving above-mentioned technical problem, this utility model be the technical scheme is that a kind of graphite jacket pipe cooler, and including at least one joint cooler pipeline, the two ends of cooler pipeline are provided with transitional connection pipe；Described cooler pipeline is followed successively by steel sheel layer, deflector and graphite-pipe from outside to inside；On described steel sheel, one end is provided with water inlet, and the other end is provided with outlet.
Described cooler is provided with two joint cooler pipelines, the inlet end of a cooler pipeline after the water outlet end connection of previous cooler pipeline.
Gap between inwall and the outer wall of graphite-pipe of described steel sheel layer is 20-100mm, deflector is evenly distributed in gap, the width of deflector is slightly less than the gap between steel sheel layer inwall and the outer wall of graphite-pipe, gap is distributed in the shape of a spiral, the cooling water entering steel sheel layer is distributed uniformly, improves the cooling effect of graphite pipeline.When high-temperature tail gas is by after pipeline, utilizing under the cooling effect of heat exchange property that graphite material is excellent and recirculated water, exhaust temperature is cooled effectively to be reduced.
Described transitional connection pipe is the body that carbon steel lining tetrafluoro is made, and changes flange hole away to facilitate the process pipe with system to couple by this body.
Filler is used to seal between graphite-pipe and the steel sheel of described cooler pipe ends, it is ensured that cooling water does not leaks outside.
Described cooler pipeline is 1m, and the joint number of flexibly changing graphite-pipe cooler changes heat exchange area, meets technological requirement.
The size of described water inlet and outlet is DN50, a diameter of DN200 of graphite-pipe, and thickness is 20-50mm, pressure grade 0.6-1MPa.Utilize conductivity of heat, temperature tolerance and corrosion resistance that graphite material is excellent, with cooling water, the high-temperature tail gas containing chlorine, hydrogen chloride, air, vaporous water and fume colloidal silica dust is cooled down, make exhaust temperature be reduced to zone of reasonableness and guarantee the assimilation effect of tail gas absorbing system.The cooling medium of this utility model is recirculated water.
This utility model is arranged on the front end, tail gas absorption operation one-level scrubber of nanoscale gas-phase silica process units, and the tail gas of containing hydrogen chloride, chlorine, air and vapourous water etc. is entered back into multistage tail gas absorber absorption and processes after being cooled by graphite jacket pipe cooler.
This utility model carries out cooling reduction exhaust temperature before entering tower and is conducive to the tail gas drip washing of tower to absorb tail gas, be conducive to improving concentration of hydrochloric acid, advantageously reduce hydrochloric acid to equipment, the corrosion of pipeline, be conducive to improving in the middle part of device aluminum matter cyclone dust extractor, aluminum tubes and aluminum matter sack cleaner temperature in deacidification piece-rate system, the thermal loss avoiding deacidifying separation device saves the energy, pipe material is changed into impregnating resin graphite material by the steel skeleton plastic clad pipe of the PE material originally used and improves temperature tolerance and corrosion resistance, adds the service life of pipeline.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is installation site schematic diagram of the present utility model.
Detailed description of the invention
Further illustrate this utility model below in conjunction with embodiment and accompanying drawing, but the scope that this utility model claims is not limited to the scope that embodiment is stated.
As it is shown in figure 1, a kind of graphite jacket pipe cooler, it is characterised in that: including at least one joint cooler pipeline 1, the two ends of cooler pipeline 1 are provided with transitional connection pipe 2；Described cooler pipeline 1 is followed successively by steel sheel layer 3, deflector 4 and graphite-pipe 5 from outside to inside；On described steel sheel, one end is provided with water inlet 6, and the other end is provided with outlet 7.
Described cooler is provided with two joint cooler pipelines 1, the inlet end of a cooler pipeline 1 after the water outlet end connection of previous cooler pipeline 1.
Gap between inwall and the outer wall of graphite-pipe 5 of described steel sheel layer is 20-100mm, and deflector 4 is evenly distributed in gap.
The body that described transitional connection pipe 2 is made for carbon steel lining tetrafluoro.
Filler is used to seal between graphite-pipe and the steel sheel at described cooler pipeline 1 two ends.
Described cooler pipeline 1 is 1m.
The size of described water inlet 6 and outlet 7 is DN50, a diameter of DN200 of graphite-pipe 5, and thickness is 20-50mm, pressure grade 0.6-1MPa.
This utility model is arranged on tail gas aluminum pipe end, as shown in Figure 2, graphite jacket pipe cooler is arranged on the one-level tail gas Venturi scrubber entrance of tail gas absorbing system, and Main Function is to cool tail gas, improves the multistage tail gas packed absorber assimilation effect of subsequent handling.Containing hydrogen chloride, chlorine, air, vapourous water and the tail gas of a small amount of fume colloidal silica dust and tail vapour are cooled to uniform temperature when by graphite jacket pipe cooler, after about 50-60 degree, tail gas removing white carbon dust by the washing of 2 grades of tail gas Venturi scrubbers, 3 grade hydrochloric acid tail gas packed absorbers absorb the hydrogen chloride gas in tail gas generate hydrochloric acid and time 1 grade of caustic wash tower absorbs that in tail gas, a small amount of chlorine generates sodium hypochlorite assimilation effect can be improved significantly.Graphite jacket pipe cooler uses recirculated water or 7 degree of chilled waters to cool down tail gas, the graphite material that cooler is used has excellent heat conduction, heat-resisting and decay resistance, though ensure that containing hydrogen chloride, chlorine, air, the tail gas of vapourous water are having severe corrosive hydrochloric acid generation aqueous water to be combined generation with hydrogen chloride when graphite-pipe cooler is cooled to lower temperature, graphite jacket pipe cooler also will not be by hcl corrosion.
Claims (7)
1. a graphite jacket pipe cooler, it is characterised in that: including at least one joint cooler pipeline (1), the two ends of cooler pipeline (1) are provided with transitional connection pipe (2)；Described cooler pipeline (1) is followed successively by steel sheel layer (3), deflector (4) and graphite-pipe (5) from outside to inside；On described steel sheel, one end is provided with water inlet (6), and the other end is provided with outlet (7).
Graphite jacket pipe cooler the most according to claim 1, it is characterised in that: described cooler is provided with two joints cooler pipeline (1), the inlet end of a cooler pipeline (1) after the water outlet end connection of previous cooler pipeline (1).
Graphite jacket pipe cooler the most according to claim 1, it is characterised in that: the gap between inwall and the outer wall of graphite-pipe (5) of described steel sheel layer is 20-100mm, and deflector (4) is evenly distributed in gap.
Graphite jacket pipe cooler the most according to claim 1, it is characterised in that: described transitional connection pipe (2) is the body that carbon steel lining tetrafluoro is made.
Graphite jacket pipe cooler the most according to claim 1, it is characterised in that: use filler to seal between graphite-pipe and the steel sheel at described cooler pipeline (1) two ends.
Graphite jacket pipe cooler the most according to claim 1, it is characterised in that: described cooler pipeline (1) is 1m.
Graphite jacket pipe cooler the most according to claim 1, it is characterised in that: the size of described water inlet (6) and outlet (7) is DN50, graphite-pipe (5) a diameter of DN200, and thickness is 20-50mm, pressure grade 0.6-1MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256001.7U CN205482466U (en) | 2016-03-30 | 2016-03-30 | Graphite jacket sleeve cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256001.7U CN205482466U (en) | 2016-03-30 | 2016-03-30 | Graphite jacket sleeve cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205482466U true CN205482466U (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620256001.7U Active CN205482466U (en) | 2016-03-30 | 2016-03-30 | Graphite jacket sleeve cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205482466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482120A (en) * | 2018-12-14 | 2019-03-19 | 南通三圣石墨设备科技股份有限公司 | Graphite heat exchanger and method built in a kind of novel reaction kettle |
-
2016
- 2016-03-30 CN CN201620256001.7U patent/CN205482466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482120A (en) * | 2018-12-14 | 2019-03-19 | 南通三圣石墨设备科技股份有限公司 | Graphite heat exchanger and method built in a kind of novel reaction kettle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |