CN209735246U - Water film dust pelletizing system of sodium chlorite - Google Patents
Water film dust pelletizing system of sodium chlorite Download PDFInfo
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- CN209735246U CN209735246U CN201920274400.XU CN201920274400U CN209735246U CN 209735246 U CN209735246 U CN 209735246U CN 201920274400 U CN201920274400 U CN 201920274400U CN 209735246 U CN209735246 U CN 209735246U
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Abstract
The utility model discloses a water film dedusting system for sodium chlorite, which comprises a fluidized drying bed, a packaging machine, a dedusting cover, a cyclone separator, a storage tank, a draught fan, a water film dedusting tower, a water source and a recovery tank; a dust hood is arranged above a discharge hole of the fluidized drying bed, and an exhaust pipe is communicated with the top of the dust hood; the gas outlet of the fluidized drying bed is communicated with the gas inlet of the cyclone separator through a pipeline, and the discharge hole of the cyclone separator is communicated with the feed inlet of the storage tank through a pipeline; the gas outlet of the exhaust pipe and the gas outlet of the cyclone separator are communicated with the gas inlet of the induced draft fan through pipelines, and the gas outlet of the induced draft fan is communicated with the gas inlet of the water film dust removal tower through pipelines. Has the advantages that: the utility model has simple connection and easy realization; the recovery of sodium chlorite is realized, the waste of sodium chlorite is avoided, and the production efficiency is improved; meanwhile, the dust pollution to the working environment is avoided, the human health is ensured, and the potential safety hazard of work is eliminated.
Description
The technical field is as follows:
The utility model relates to a dust pelletizing system especially relates to a water film dust pelletizing system of sodium chlorite.
Background art:
Sodium chlorite, a highly effective bleaching agent and oxidant, is used mainly for bleaching pulp and various fibers, for bleaching certain foods, for dehairing in leather industry, for surface treatment of certain metals, for disinfection of drinking water, and for purification of trace amounts of nitric oxide in coke oven exhaust gas in steel industry and synthetic ammonia industry; at present, liquid sodium chlorite is mainly produced through a reduction method in China, solid sodium chlorite is required to be obtained through evaporation concentration, but the evaporation temperature cannot be too high, and when the evaporation temperature is higher than 60 ℃, the sodium chlorite can be decomposed to generate sodium chloride and sodium chlorate, so that the yield of products is reduced; cooling and crystallizing the evaporated and concentrated sodium chlorite solution, and then dehydrating, wherein the dehydrated sodium chlorite still contains moisture and needs to be sent to a fluidized drying bed for drying, and packaging the dried sodium chlorite by a packaging machine; however, the following problems are present in the process of drying sodium chlorite: 1. dust is carried in the air discharged from the fluidized drying bed, so that the working environment is polluted, the human body can be injured, and the potential safety hazard of work exists; 2. the main component of the dust is sodium chlorite, and the dust is directly discharged, so that the waste of the sodium chlorite is caused, and the production efficiency is further reduced.
The utility model has the following contents:
an object of the utility model is to provide a connect simply, realized sodium chlorite and retrieved, and avoided the water film dust pelletizing system of sodium chlorite of dust pollution operational environment.
The utility model discloses by following technical scheme implement: a water film dedusting system for sodium chlorite comprises a fluidized drying bed, a packaging machine, a dedusting cover, a cyclone separator, a storage tank, an induced draft fan, a water film dedusting tower, a water source and a recovery tank; the discharge hole of the fluidized drying bed is communicated with the feed hole of the packaging machine; the dust hood is arranged above a discharge hole of the fluidized drying bed, and an exhaust pipe is communicated with the top of the dust hood; the gas outlet of the fluidized drying bed is communicated with the gas inlet of the cyclone separator through a pipeline, and the discharge hole of the cyclone separator is communicated with the feed inlet of the storage tank through a pipeline; the air outlet of the exhaust pipe and the air outlet of the cyclone separator are both communicated with the air inlet of the induced draft fan through pipelines, and the air outlet of the induced draft fan is communicated with the air inlet of the water film dust removal tower through a pipeline; the water source is communicated with a water inlet of the water film dedusting tower through a water inlet pipe, and an electromagnetic valve is arranged on the water inlet pipe; and the water outlet of the water film dust removal tower is communicated with the water inlet of the recovery tank through a pipeline.
furthermore, the water film dust removal tower comprises a tower body, a filler layer, a baffle plate in a shape of >; the top of the tower body is provided with an evacuation port, the bottom of the tower body is respectively provided with the water inlet, the water outlet and the water outlet, and the top of the inner cavity of the tower body is provided with the packing layer; a plurality of baffle plates are arranged on the inner wall of the tower body below the packing layer side by side, and the opening directions of the baffle plates are all along the radial direction of the tower body; an air inlet is formed in the side wall below the tower body; a plurality of water spray pipes are arranged on the inner wall of the tower body between the air inlet of the tower body and the baffle plate from top to bottom; each spray pipe is provided with a plurality of spray heads; the liquid level sensor is arranged on the inner wall of the tower body below the air inlet of the tower body; the inlet of the circulating pump is communicated with the water outlet through a pipeline, and the outlet of the circulating pump is communicated with the inlet of the water spray pipe through a pipeline; the draught fan, the electromagnetic valve, the liquid level sensor and the circulating pump are all electrically connected with the controller.
Furthermore, a manhole corresponding to the packing layer and each spray pipe is arranged on the tower body.
Furthermore, the packing layer is a fluorine silicon oil cotton layer.
The utility model has the advantages that: the utility model has simple connection and easy realization; the cyclone separator absorbs and separates dust in the fluidized drying bed, the dust is recycled into the storage box, and the separated air containing a small amount of dust is sent to the water film dust removal tower; the dust hood absorbs dust at the discharge port of the fluidized drying bed into the water film dust removal tower, and sodium chlorite is recycled through water washing, so that waste of sodium chlorite is avoided, and the production efficiency is improved; meanwhile, the dust pollution to the working environment is avoided, the human health is ensured, and the potential safety hazard of work is eliminated.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a water film dust removal tower.
Fluidized drying bed 1, packagine machine 2, dust excluding hood 3, cyclone 4, bin 5, draught fan 6, water film gas wash tower 7, tower body 7.1, manhole 7.11, packing layer 7.2, baffling board 7.3, spray pipe 7.4, level sensor 7.5, circulating pump 7.6, shower nozzle 7.7, controller 8, water source 9, recovery tank 10, blast pipe 11, inlet tube 12, solenoid valve 13.
The specific implementation mode is as follows:
The present invention will be described in further detail by way of examples with reference to the accompanying drawings.
As shown in fig. 1 to 2, a water film dedusting system for sodium chlorite comprises a fluidized drying bed 1, a packaging machine 2, a dedusting cover 3, a cyclone separator 4, a storage tank 5, an induced draft fan 6, a water film dedusting tower 7, a water source 9 and a recovery tank 10; the discharge hole of the fluidized drying bed 1 is communicated with the feed inlet of the packaging machine 2; a dust hood 3 is arranged above a discharge hole of the fluidized drying bed 1, and an exhaust pipe 11 is communicated with the top of the dust hood 3; the gas outlet of the fluidized drying bed 1 is communicated with the gas inlet of the cyclone separator 4 through a pipeline, and the discharge hole of the cyclone separator 4 is communicated with the feed inlet of the storage box 5 through a pipeline; the air outlet of the exhaust pipe 11 and the air outlet of the cyclone separator 4 are both communicated with the air inlet of the induced draft fan 6 through pipelines, and the air outlet of the induced draft fan 6 is communicated with the air inlet of the water film dust removal tower 7 through a pipeline; the water source 9 is communicated with a water inlet of the water film dust removal tower 7 through a water inlet pipe 12, and an electromagnetic valve 13 is arranged on the water inlet pipe 12; the water outlet of the water film dust removal tower 7 is communicated with the water inlet of the recovery tank 10 through a pipeline.
The water film dust removal tower 7 comprises a tower body 7.1, a packing layer 7.2, a baffle plate 7.3 in the shape of >; the top of the tower body 7.1 is provided with an evacuation port, the bottom of the tower body 7.1 is respectively provided with a water inlet, a water outlet and a water outlet, the top of the inner cavity of the tower body 7.1 is provided with a packing layer 7.2, and the packing layer 7.2 is a fluorine-silicon oil cotton layer, so that the absorption of mist is facilitated; a plurality of baffle plates 7.3 are arranged on the inner wall of the tower body 7.1 below the packing layer 7.2 side by side, and the opening directions of the baffle plates 7.3 are all along the radial direction of the tower body 7.1; an air inlet is arranged on the side wall below the tower body 7.1; a plurality of water spray pipes 7.4 are arranged on the inner wall of the tower body 7.1 between the air inlet of the tower body 7.1 and the baffle plate 7.3 from top to bottom; each spray pipe 7.4 is provided with a plurality of spray heads 7.7; a liquid level sensor 7.5 is arranged on the inner wall of the tower body 7.1 below the air inlet of the tower body 7.1; the inlet of the circulating pump 7.6 is communicated with the water outlet through a pipeline, and the outlet of the circulating pump 7.6 is communicated with the inlet of the water spray pipe 7.4 through a pipeline; a manhole 7.11 corresponding to the packing layer 7.2 and each spray pipe 7.4 is arranged on the tower body 7.1, so that the packing layer 7.2 and the spray pipes 7.4 can be observed, maintained or cleaned conveniently; the induced draft fan 6, the electromagnetic valve 13, the liquid level sensor 7.5 and the circulating pump 7.6 are all electrically connected with the controller 8.
The working principle is as follows: the sodium chlorite after dehydration is sent to a fluidized drying bed 1 for drying, in the drying process, a controller 8 controls a draught fan 6 and a circulating pump 7.6 to start, the dust in the fluidized drying bed 1 is sucked into a cyclone separator 4 for separation, the separated dust falls into a storage tank 5 below the cyclone separator 4, a small amount of dust is sent to a water film dust removing tower 7 through the draught fan 6 for washing and recovering the dust, meanwhile, the dried sodium chlorite is discharged to a packaging machine 2 for packaging, a dust hood 3 above a discharge port of the fluidized drying bed 1 forms negative pressure under the action of the draught fan 6 to absorb the dust at the discharge port into the water film dust removing tower 7 for washing and recovering the dust, the recovery of the sodium chlorite is realized, the waste of the sodium chlorite is avoided, and the production efficiency is improved; meanwhile, the dust pollution to the working environment is avoided, the human health is ensured, and the potential safety hazard of the work is eliminated; constantly detecting the content of sodium chlorite in the washing water in the water film dust removal tower 7, and when the content of sodium chlorite in the water reaches 15%, controlling the induced draft fan 6 and the circulating pump 7.6 to stop by the controller 8, and simultaneously opening a water outlet of the water film dust removal tower 7 to recycle the washing water into the recycling tank 10; after the washing water is drained, closing a water outlet of the water film dedusting tower 7; then the controller 8 controls the electromagnetic valve 13 to be opened, water is supplemented into the tower body 7.1, the liquid level sensor 7.5 detects the liquid level constantly and transmits a signal to the controller 8, when the liquid level rises to a set value, the controller 8 controls the electromagnetic valve 13 to be closed, water is stopped to be introduced into the tower body 7.1, meanwhile, the circulating pump 7.6 and the induced draft fan 6 are started, and the circulating pump 7.6 pumps water at the bottom of the tower body 7.1 into the water spray pipe 7.4; the induced draft fan 6 sends the dust into the tower body 7.1, the water fog sprayed by the spray nozzle 7.7 is mixed with the dust and falls to the bottom of the tower body 7.1, the gas containing the fog foam rises and is baffled by the baffle plate 7.3, so that the fog foam is attached to the baffle plate 7.3, the baffled gas is exhausted from the evacuation port of the tower body 7.1 after absorbing the fog foam by the packing layer 7.2, and a good dust removal effect is achieved; the washing water at the bottom of the tower body 7.1 is recycled to the spray pipe 7.4 for use through the circulating pump 7.6, so that the washing water is recycled, the direct use of primary water is avoided, and water resources are saved; the starting and stopping of the circulating pump 7.6, the induced draft fan 6 and the electromagnetic valve 13 are automatically controlled, and automation is realized; the utility model discloses connect simply, easily realize.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A water film dedusting system for sodium chlorite is characterized by comprising a fluidized drying bed, a packaging machine, a dedusting cover, a cyclone separator, a storage tank, a draught fan, a water film dedusting tower, a water source and a recovery tank; the discharge hole of the fluidized drying bed is communicated with the feed hole of the packaging machine; the dust hood is arranged above a discharge hole of the fluidized drying bed, and an exhaust pipe is communicated with the top of the dust hood; the gas outlet of the fluidized drying bed is communicated with the gas inlet of the cyclone separator through a pipeline, and the discharge hole of the cyclone separator is communicated with the feed inlet of the storage tank through a pipeline; the air outlet of the exhaust pipe and the air outlet of the cyclone separator are both communicated with the air inlet of the induced draft fan through pipelines, and the air outlet of the induced draft fan is communicated with the air inlet of the water film dust removal tower through a pipeline; the water source is communicated with a water inlet of the water film dedusting tower through a water inlet pipe, and an electromagnetic valve is arranged on the water inlet pipe; and the water outlet of the water film dust removal tower is communicated with the water inlet of the recovery tank through a pipeline.
2. The water film dedusting system for sodium chlorite according to claim 1, characterized in that the water film dedusting tower comprises a tower body, a packing layer, baffle plates with the shape of ">", a water spray pipe, a liquid level sensor, a circulating pump and a controller; the top of the tower body is provided with an evacuation port, the bottom of the tower body is respectively provided with the water inlet, the water outlet and the water outlet, and the top of the inner cavity of the tower body is provided with the packing layer; a plurality of baffle plates are arranged on the inner wall of the tower body below the packing layer side by side, and the opening directions of the baffle plates are all along the radial direction of the tower body; an air inlet is formed in the side wall below the tower body; a plurality of water spray pipes are arranged on the inner wall of the tower body between the air inlet of the tower body and the baffle plate from top to bottom; each spray pipe is provided with a plurality of spray heads; the liquid level sensor is arranged on the inner wall of the tower body below the air inlet of the tower body; the inlet of the circulating pump is communicated with the water outlet through a pipeline, and the outlet of the circulating pump is communicated with the inlet of the water spray pipe through a pipeline; the draught fan, the electromagnetic valve, the liquid level sensor and the circulating pump are all electrically connected with the controller.
3. The water film dedusting system for sodium chlorite according to claim 2, wherein a manhole is arranged on the tower body corresponding to the packing layer and each water spray pipe.
4. The water film dedusting system for sodium chlorite according to claim 2, wherein the packing layer is a fluorosilicone cotton layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920274400.XU CN209735246U (en) | 2019-03-04 | 2019-03-04 | Water film dust pelletizing system of sodium chlorite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920274400.XU CN209735246U (en) | 2019-03-04 | 2019-03-04 | Water film dust pelletizing system of sodium chlorite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209735246U true CN209735246U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920274400.XU Active CN209735246U (en) | 2019-03-04 | 2019-03-04 | Water film dust pelletizing system of sodium chlorite |
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| Country | Link |
|---|---|
| CN (1) | CN209735246U (en) |
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2019
- 2019-03-04 CN CN201920274400.XU patent/CN209735246U/en active Active
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