CN102078734B - Dust absorption tube of wet-type feeding device of powder active carbon (PAC) - Google Patents
Dust absorption tube of wet-type feeding device of powder active carbon (PAC) Download PDFInfo
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- CN102078734B CN102078734B CN 200910233168 CN200910233168A CN102078734B CN 102078734 B CN102078734 B CN 102078734B CN 200910233168 CN200910233168 CN 200910233168 CN 200910233168 A CN200910233168 A CN 200910233168A CN 102078734 B CN102078734 B CN 102078734B
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Abstract
The invention discloses a dust absorption tube of wet-type feeding device of powder active carbon (PAC). The dust absorption tube is a hollow and airtight cylinder. The dust generated by the wet-type feeding device of the PAC enters into an air inlet on the dust absorption tube through pipes. An air pipe is arranged inside the dust absorption tube. One end of the air pipe is communicated with the air inlet and the other end of the air pipe is arranged at the bottom of the dust absorption tube. A plurality of spray nozzles which are arranged on the dust absorption tube are communicated with a first water inlet with a first inlet valve, and the bottom of the dust absorption tube is connected to an escape pipe with an emptying valve. The top of the dust absorption tube is provided with an exhaust port for discharging clean gases. The dust absorption tube absorbs the PAC in the gases in a mixing mode of spray and steam, thus the dust generated by automatic, manually operated and manual-automatic wet type feeding device of the PAC can be recycled and reused, thereby improving the environment around devices and saving the PAC.
Description
Technical field
The present invention relates to a kind of dust-collecting equipment improvement of wet type adding device of Powdered Activated Carbon, specifically relate to a kind of servicing unit for reclaiming and utilize the Powdered Activated Carbon dust.
Background technology
The drinking water source of China pollutes and is on the rise, and the organism kinds in the water source is many, in water treatment procedure, usually adds charcoal absorption and removes impurity such as organic matter in the former water.Because the specific area of Powdered Activated Carbon is large, therefore have very strong adsorptivity, can effectively remove colourity and the peculiar smell of former water, reduce turbidity, effectively reduce the pollutant load in the former water.
The dosing method of Powdered Activated Carbon adopts the wet type dosing method usually, after being about to Powdered Activated Carbon and water mixing, drops in the former water by the mixed liquor of measuring pump with Powdered Activated Carbon and water again.
Powdered Activated Carbon automatic wet-type adding equipment or Powdered Activated Carbon auto-manual wet type adding equipment generally all have a feed bin, and this feed bin is positioned at the upstream of complete equipment, and its purposes is the storage powder active carbon.The top of feed bin is typically provided with the opening that communicates with ambient atmosphere, so that the feed bin internal pressure keeps constant, guarantees that Powdered Activated Carbon can successfully join in the feed bin and successfully provides from feed bin.But Powdered Activated Carbon can produce a large amount of airborne dusts in the process that adds feed bin, this opening just because of the feed bin top, make airborne dust run out of feed bin, this not only causes serious dust pollution to surrounding environment, also caused the waste of Powdered Activated Carbon, so there is the dealer to install deduster at this opening part, with the minimizing dust pollution, but this has increased complexity, input cost and the operating cost of equipment.
The powdered activated carbon wet type adding equipment generally all has some mixing drums, and mixing drum, drops into mixed liquor in the former water by measuring pump after Powdered Activated Carbon and water mix in mixing drum more generally with agitating device.In Powdered Activated Carbon automatic wet-type adding equipment, some mixing drum series connection, Powdered Activated Carbon and water all add mixing drum automatically, mixing drum is closed, in order to make the pressure in the mixing drum keep constant, to guarantee that Powdered Activated Carbon and water can successfully add mixing drum and mixed liquor can successfully provide, the mixing drum upper end needs to offer the pneumostome that communicates with ambient atmosphere, but Powdered Activated Carbon can produce airborne dust in the process that adds mixing drum, pneumostome just because of the mixing drum upper end, make airborne dust release mixing drum, this not only causes serious dust pollution to surrounding environment, has also caused the waste of Powdered Activated Carbon, so there is the dealer to install sack cleaner at this pneumostome place, to reduce dust pollution, increased the complexity of equipment but effect is not good enough, input cost and operating cost.In power active carbon manual wet-type feeding equipment, some mixing drums both can be separate parallel, and alternate run, also can be communicated with by tube connector and consist of tandem, each mixing drum upper end is provided with the hand feed mouth, Powdered Activated Carbon manually adds in the mixing drum by the hand feed mouth, but Powdered Activated Carbon can produce airborne dust equally in the process that adds mixing drum, airborne dust is run out of mixing drum from the hand feed mouth easily, this not only causes serious dust pollution to surrounding environment, has also caused the waste of Powdered Activated Carbon.Also there are the problems referred to above in the mixing drum of Powdered Activated Carbon auto-manual wet type adding equipment.
Summary of the invention
In order to overcome defects, the invention provides a kind of dust absorbing barrel of wet type adding device of powder activated carbon, this dust absorbing barrel can all reclaim the issuable dust of wet type adding device of powder activated carbon and recycle, not only improved equipment environment on every side, and saved Powdered Activated Carbon, again and this dust absorbing barrel drops into and operating cost is low, reliable, easy and simple to handle.
The present invention for the technical scheme that solves its technical problem and adopt is:
A kind of dust absorbing barrel of wet type adding device of powder activated carbon, described dust absorbing barrel is inner airtight cylinder for cavity, described dust absorbing barrel offers air inlet, the dust that described wet type adding device of powder activated carbon produces passes into air inlet on the described dust absorbing barrel by pipeline, be provided with tracheae in the described dust absorbing barrel, one end of described tracheae is communicated with described air inlet, the other end of described tracheae is positioned at the bottom of described dust absorbing barrel, the top of described dust absorbing barrel is provided with some shower nozzles, described nozzle connecting is connected with the first water inlet pipe with the first water intaking valve, described the first water intaking valve is controlled the current break-make in its place first water inlet pipe, the bottom of described dust absorbing barrel is communicated with the blow-down pipe with atmospheric valve, described atmospheric valve is controlled the fluid break-make in its place blow-down pipe, and described dust absorbing barrel top offers the exhaust outlet of discharging for clean gas.
Further technical scheme of the present invention is:
Described dust absorbing barrel is provided with the liquid level testing arrangement for test dust absorbing barrel inside liquid level.
The top of described dust absorbing barrel is communicated with overflow pipe.
Described air inlet and described exhaust outlet all are positioned at described dust absorbing barrel upper end.
Described dust absorbing barrel is communicated with the second water inlet pipe that supplies water to the dust absorbing barrel internal cavities, and described the second water inlet pipe is provided with the second water intaking valve of its current break-make of control.
The lower end of described tracheae some transverse tubes that extend radially outwardly out spaced apartly on the described transverse tube are provided with some ventholes.
When described wet type adding device of powder activated carbon is power active carbon manual wet-type feeding equipment, this power active carbon manual wet-type feeding equipment has some mixing drums, each mixing drum upper end has hand feed mouth and manhole, all is furnished with suspended hood on the manhole of each mixing drum, described suspended hood sealing covers the manhole corresponding with it, be provided with one to one air draught arm of some and suspended hood, air inlet on the described dust absorbing barrel is communicated with the air draught house steward, the air draught arm one end suspended hood corresponding with it is connected, all air draught arm other ends all are connected with the air draught house steward, all be provided with air suction valve on each air draught arm, described air suction valve is controlled the air-flow break-make on its place air draught arm, and described air draught house steward is provided with air-introduced machine.The concrete operations mode of described dust absorbing barrel is as follows: when manually adding Powdered Activated Carbon in the mixing drum, open air suction valve, the first water intaking valve and atmospheric valve, because mixing drum is when artificial input Powdered Activated Carbon, the diffusion of can outside the hand feed mouth, floating of Powdered Activated Carbon dust, so start air-introduced machine dust is sucked mixing drum, and from manhole with in dust inspiration air draught arm and the air draught house steward, because the pressure that contains dusty gas that enters in described air draught arm and the air draught house steward is little, so the dust absorbing barrel inside liquid level need to be controlled at lower level, the lower end that preferably is not higher than described tracheae, the gas that contains the Powdered Activated Carbon dust is entered the air inlet of dust absorbing barrel upper end by the air draught house steward, and arrive the bottom of dust absorbing barrel through tracheae, then dispersed in the transverse tube that enters the tracheae lower end by the lower end of tracheae, evenly enter in the dust absorbing barrel by equally distributed venthole on the transverse tube again, the shower nozzle on dust absorbing barrel top carries out spray-absorption to the gas that contains dust, Powdered Activated Carbon in the gas forms the bottom that mixed liquor accumulates in dust absorbing barrel after by the water spray-absorption, mixed liquor is discharged from blow-down pipe, and add the technique that adds active carbon to needs and add a little, clean gas is discharged by the exhaust outlet of dust absorbing barrel upper end.
When described wet type adding device of powder activated carbon is Powdered Activated Carbon automatic wet-type adding equipment, this Powdered Activated Carbon automatic wet-type adding equipment has the mixing drum of a feed bin and some series connection, the top of described feed bin has the opening that communicates with ambient atmosphere and be used for exhaust, described open communication has blast pipe, described blast pipe branches out dust leg and the first air intake duct, described dust leg is provided with the control of dust valve, described control of dust valve is controlled the air-flow break-make in its place dust leg, described the first air intake duct is provided with the first inlet valve, and described the first inlet valve is the check valve that sucks of supplied gas only; The upper end of at least one mixing drum is provided with pneumostome, described pneumostome is communicated with respiratory siphon, described respiratory siphon branches out exhaust tube and the second air intake duct, described the second air intake duct is provided with the second inlet valve, described the second inlet valve is the check valve that sucks of supplied gas only, described exhaust tube is provided with outlet valve, described outlet valve is controlled the air-flow break-make in its place exhaust tube, air inlet on the described dust absorbing barrel is communicated with the gas main, and described dust leg all communicates with described gas main with described exhaust tube.The concrete operations mode of described dust absorbing barrel is as follows: when feed bin when reinforced, open the control of dust valve, close outlet valve and atmospheric valve, open the second water intaking valve to adding water in the dust absorbing barrel, close the second water intaking valve when adding water to about half and stop to add water, the gas that contains the Powdered Activated Carbon dust can be discharged from the opening at feed bin top, and enter the air inlet of dust absorbing barrel upper end through dust leg and gas main, and arrive the bottom of dust absorbing barrel through tracheae, then dispersed in the transverse tube that enters the tracheae lower end by the lower end of tracheae, evenly entered in the water in the dust absorbing barrel by equally distributed venthole on the transverse tube again and carry out gas-vapor mix, Powdered Activated Carbon in the gas is absorbed by water and forms mixed liquor, clean gas is discharged by the exhaust outlet of dust absorbing barrel upper end, when the mixed liquor in the dust absorbing barrel accumulates to certain concentration, open atmospheric valve, mixed liquor is discharged from blow-down pipe, add the technique that adds active carbon to needs and add a little; When automatically adding Powdered Activated Carbon and clear water in the mixing drum, described outlet valve and atmospheric valve are opened, described control of dust valve cuts out, opening the first water intaking valve supplies water to shower nozzle, tied up the space of mixing drum because adding water, the gas that contains the Powdered Activated Carbon dust enters respiratory siphon and the exhaust tube from pneumostome, because it is very little to contain the gas pressure of Powdered Activated Carbon dust, so the dust absorbing barrel inside liquid level need to be controlled at lower level, the lower end that preferably is not higher than described tracheae, the gas that contains the Powdered Activated Carbon dust is entered the air inlet of dust absorbing barrel upper end by the gas main, and arrive the bottom of dust absorbing barrel through tracheae, then dispersed in the transverse tube that enters the tracheae lower end by the lower end of tracheae, evenly enter in the dust absorbing barrel by equally distributed venthole on the transverse tube again, the shower nozzle on dust absorbing barrel top carries out spray-absorption to the gas that contains dust, Powdered Activated Carbon in the gas forms the bottom that mixed liquor accumulates in dust absorbing barrel after by the water spray-absorption, mixed liquor is discharged from blow-down pipe, add the technique that adds active carbon to needs and add a little, clean gas is discharged by the exhaust outlet of dust absorbing barrel upper end.The effect of the first air intake duct and the first inlet valve is: when feed bin adds Powdered Activated Carbon in the trend mixing drum, extraneous gas sucks in the feed bin by the first air intake duct and the first inlet valve, keep the invariablenes pressure of liquid in the feed bin, avoid reducing to affect discharging because of pressure in the feed bin; The effect of the second air intake duct and the second inlet valve is: when the mixed liquor in the mixing drum outwards adds, extraneous gas sucks in the mixing drum by the second air intake duct and the second inlet valve, keep the invariablenes pressure of liquid in the mixing drum, avoid in the mixing drum pressure to reduce and affect discharging.
When described wet type adding device of powder activated carbon is Powdered Activated Carbon auto-manual rotating vane type adding equipment, this Powdered Activated Carbon auto-manual rotating vane type adding equipment has a feed bin and some mixing drums, the top of described feed bin has the opening that communicates with ambient atmosphere and be used for exhaust, described open communication has blast pipe, described blast pipe branches out dust leg and the first air intake duct, described dust leg is provided with the control of dust valve, described control of dust valve is controlled the air-flow break-make in its place dust leg, described the first air intake duct is provided with the first inlet valve, described the first inlet valve is the check valve that sucks of supplied gas only, each mixing drum upper end has hand feed mouth and manhole, the upper end of at least one mixing drum is provided with pneumostome, all is furnished with suspended hood on the manhole of each mixing drum, described suspended hood sealing covers the manhole corresponding with it, be provided with one to one air draught arm of some and suspended hood, the air draught arm one end suspended hood corresponding with it is connected, all air draught arm other ends merge into the air draught house steward, all be provided with air suction valve on each air draught arm, described air suction valve is controlled the air-flow break-make on its place air draught arm, described air draught house steward is provided with air-introduced machine, described pneumostome is communicated with respiratory siphon, described respiratory siphon branches out exhaust tube and the second air intake duct, described the second air intake duct is provided with the second inlet valve, described the second inlet valve is the check valve that sucks of supplied gas only, described exhaust tube is provided with outlet valve, described outlet valve is controlled the air-flow break-make in its place exhaust tube, air inlet on the described dust absorbing barrel is communicated with the gas main, described dust leg, air draught house steward and exhaust tube all communicate with described gas main.The concrete operations mode of described dust absorbing barrel is as follows: when feed bin when reinforced, open the control of dust valve, close outlet valve, air suction valve, atmospheric valve, the first water intaking valve and air-introduced machine, open the second water intaking valve to adding water in the dust absorbing barrel, close the second water intaking valve when adding water to about half and stop to add water, the gas that contains the Powdered Activated Carbon dust can be discharged from the opening at feed bin top, and enter the air inlet of dust absorbing barrel upper end through dust leg and gas main, and arrive the bottom of dust absorbing barrel through tracheae, then dispersed in the transverse tube that enters the tracheae lower end by the lower end of tracheae, evenly entered in the water in the dust absorbing barrel by equally distributed venthole on the transverse tube again and carry out gas-vapor mix, Powdered Activated Carbon in the gas is absorbed by water and forms mixed liquor when the mixed liquor in the dust absorbing barrel accumulates to certain concentration, open atmospheric valve, mixed liquor is discharged from blow-down pipe, add the technique that adds active carbon to needs and add a little, clean gas is discharged by the exhaust outlet of dust absorbing barrel upper end; When automatically adding Powdered Activated Carbon in the mixing drum, described outlet valve and atmospheric valve are opened, described control of dust valve, air suction valve and air-introduced machine are closed, opening the first water intaking valve supplies water to shower nozzle, tied up the space of mixing drum because of the clear water that automatically adds in the mixing drum, the gas that contains the Powdered Activated Carbon dust enters respiratory siphon and the exhaust tube from pneumostome, because it is very little to contain the gas pressure of Powdered Activated Carbon dust, so the dust absorbing barrel inside liquid level need to be controlled at lower level, the lower end that preferably is not higher than described tracheae, the gas that contains the Powdered Activated Carbon dust is entered the air inlet of dust absorbing barrel upper end by the gas main, and arrive the bottom of dust absorbing barrel through tracheae, then dispersed in the transverse tube that enters the tracheae lower end by the lower end of tracheae, evenly enter in the dust absorbing barrel by equally distributed venthole on the transverse tube again, the shower nozzle on dust absorbing barrel top carries out spray-absorption to the gas that contains dust, Powdered Activated Carbon in the gas forms the bottom that mixed liquor accumulates in dust absorbing barrel after by the water spray-absorption, mixed liquor is discharged from blow-down pipe, and add the technique that adds active carbon to needs and add a little, clean gas is discharged by the exhaust outlet of dust absorbing barrel upper end; When manually adding Powdered Activated Carbon in the mixing drum, open air suction valve, the first water intaking valve and atmospheric valve, close control of dust valve and outlet valve, because mixing drum is when artificial adding Powdered Activated Carbon, the diffusion of can outside the hand feed mouth, floating of Powdered Activated Carbon dust, so start air-introduced machine dust is sucked mixing drum, and from manhole with in dust inspiration air draught arm and the air draught house steward, because the pressure that contains dusty gas that enters in described air draught arm and the air draught house steward is little, so the dust absorbing barrel inside liquid level need to be controlled at lower level, the lower end that preferably is not higher than described tracheae, the gas that contains the Powdered Activated Carbon dust is entered the air inlet of dust absorbing barrel upper end by the gas main, and arrive the bottom of dust absorbing barrel through tracheae, then dispersed in the transverse tube that enters the tracheae lower end by the lower end of tracheae, evenly enter in the dust absorbing barrel by equally distributed venthole on the transverse tube again, the shower nozzle on dust absorbing barrel top carries out spray-absorption to the gas that contains dust, Powdered Activated Carbon in the gas forms the bottom that mixed liquor accumulates in dust absorbing barrel after by the water spray-absorption, mixed liquor is discharged and is added the technique that adds active carbon to needs from blow-down pipe and adds a little, and clean gas is discharged by the exhaust outlet of dust absorbing barrel upper end.The effect of the first air intake duct and the first inlet valve is: when feed bin adds Powdered Activated Carbon in the trend mixing drum, extraneous gas sucks in the feed bin by the first air intake duct and the first inlet valve, keep the invariablenes pressure of liquid in the feed bin, avoid reducing to affect discharging because of pressure in the feed bin; The effect of the second air intake duct and the second inlet valve is: when the mixed liquor in the mixing drum outwards adds, extraneous gas sucks in the mixing drum by the second air intake duct and the second inlet valve, keep the invariablenes pressure of liquid in the mixing drum, avoid in the mixing drum pressure to reduce and affect discharging.
The invention has the beneficial effects as follows: the Powdered Activated Carbon in the dust absorbing barrel utilization spray of this wet type adding device of powder activated carbon and the mode absorption of gases of gas-vapor mix, the dust that powdered activated carbon wet type adding equipment automatic, manual or manual-automatic integral produces all can be reclaimed and recycles, not only improved equipment environment on every side, and saved Powdered Activated Carbon, again and this dust absorbing barrel drops into and operating cost is low, reliable, easy and simple to handle.
Description of drawings
Fig. 1 is the internal structure schematic diagram of dust absorbing barrel of the present invention;
Fig. 2 is the principle schematic of the embodiment of the invention.
The specific embodiment
Embodiment: a kind of dust absorbing barrel of wet type adding device of powder activated carbon, described dust absorbing barrel 1 is inner airtight cylinder for cavity, described dust absorbing barrel offers air inlet 11, the dust that described wet type adding device of powder activated carbon produces passes into air inlet on the described dust absorbing barrel by pipeline, be provided with tracheae 12 in the described dust absorbing barrel, one end of described tracheae is communicated with described air inlet, the other end of described tracheae is positioned at the bottom of described dust absorbing barrel, the top of described dust absorbing barrel is provided with some shower nozzles 13, described shower nozzle is provided with two rows, and two row's shower nozzles all are positioned at described dust absorbing barrel top, described nozzle connecting is connected with the first water inlet pipe with the first water intaking valve, described the first water intaking valve is controlled the current break-make in its place first water inlet pipe, the bottom of described dust absorbing barrel is communicated with the blow-down pipe with atmospheric valve, described atmospheric valve is controlled the fluid break-make in its place blow-down pipe, described dust absorbing barrel top offers the exhaust outlet 14 of discharging for clean gas, described dust absorbing barrel is provided with the liquid level testing arrangement 15 for test dust absorbing barrel inside liquid level, the top of described dust absorbing barrel is communicated with overflow pipe 16, described air inlet and described exhaust outlet all are positioned at described dust absorbing barrel upper end, described dust absorbing barrel is communicated with the second water inlet pipe that supplies water to the dust absorbing barrel internal cavities, described the second water inlet pipe is provided with the second water intaking valve of its current break-make of control, the lower end of described tracheae 12 some transverse tubes 17 that extend radially outwardly out spaced apartly on the described transverse tube are provided with some ventholes 171.
When described wet type adding device of powder activated carbon is Powdered Activated Carbon auto-manual rotating vane type adding equipment, this Powdered Activated Carbon auto-manual rotating vane type adding equipment has a feed bin 2 and some mixing drums 3, the top of described feed bin 2 has the opening 21 that communicates with ambient atmosphere and be used for exhaust, described open communication has blast pipe 22, described blast pipe branches out dust leg 23 and the first air intake duct 24, described dust leg is provided with control of dust valve 231, described control of dust valve is controlled the air-flow break-make in its place dust leg, described the first air intake duct is provided with the first inlet valve 241, described the first inlet valve is the check valve that sucks of supplied gas only, each mixing drum 3 upper end has hand feed mouth 31 and manhole 32, the upper end that is positioned at a mixing drum in downstream in the mixing drum is provided with a pneumostome 33, all is furnished with suspended hood 34 on the manhole of each mixing drum, described suspended hood sealing covers the manhole corresponding with it, be provided with one to one air draught arm 35 of some and suspended hood, the air draught arm one end suspended hood corresponding with it is connected, all air draught arm other ends merge into air draught house steward 36, all be provided with air suction valve 351 on each air draught arm, described air suction valve is controlled the air-flow break-make on its place air draught arm, described air draught house steward is provided with air-introduced machine 40, described pneumostome 33 is communicated with respiratory siphon 37, described respiratory siphon branches out exhaust tube 38 and the second air intake duct 39, described the second air intake duct is provided with the second inlet valve 391, described the second inlet valve is the check valve that sucks of supplied gas only, described exhaust tube is provided with outlet valve 381, described outlet valve is controlled the air-flow break-make in its place exhaust tube, air inlet on the described dust absorbing barrel is communicated with gas main 18, described dust leg 23, air draught house steward 36 and exhaust tube 38 all communicate with described gas main.
The concrete operations mode of described dust absorbing barrel is as follows:
When feed bin when reinforced, open the control of dust valve, close outlet valve, air suction valve, atmospheric valve, the first water intaking valve and air-introduced machine, open the second water intaking valve to adding water in the dust absorbing barrel, close the second water intaking valve when adding water to about half and stop to add water, the gas that contains the Powdered Activated Carbon dust can be discharged from the opening at feed bin top, and enter the air inlet of dust absorbing barrel upper end through dust leg and gas main, and arrive the bottom of dust absorbing barrel through tracheae, then dispersed in the transverse tube that enters the tracheae lower end by the lower end of tracheae, evenly entered in the water in the dust absorbing barrel by equally distributed venthole on the transverse tube again and carry out gas-vapor mix, Powdered Activated Carbon in the gas is absorbed by water and forms mixed liquor when the mixed liquor in the dust absorbing barrel accumulates to certain concentration, open atmospheric valve, mixed liquor is discharged from blow-down pipe, add the technique that adds active carbon to needs and add a little, clean gas is discharged by the exhaust outlet of dust absorbing barrel upper end.
When automatically adding Powdered Activated Carbon in the mixing drum, described outlet valve and atmospheric valve are opened, described control of dust valve, air suction valve and air-introduced machine are closed, opening the first water intaking valve supplies water to shower nozzle, tied up the space of mixing drum because of the clear water that automatically adds in the mixing drum, the gas that contains the Powdered Activated Carbon dust enters respiratory siphon and the exhaust tube from pneumostome, because it is very little to contain the gas pressure of Powdered Activated Carbon dust, so the dust absorbing barrel inside liquid level need to be controlled at lower level, the lower end that preferably is not higher than described tracheae, the gas that contains the Powdered Activated Carbon dust is entered the air inlet of dust absorbing barrel upper end by the gas main, and arrive the bottom of dust absorbing barrel through tracheae, then dispersed in the transverse tube that enters the tracheae lower end by the lower end of tracheae, evenly enter in the dust absorbing barrel by equally distributed venthole on the transverse tube again, the shower nozzle on dust absorbing barrel top carries out spray-absorption to the gas that contains dust, Powdered Activated Carbon in the gas forms the bottom that mixed liquor accumulates in dust absorbing barrel after by the water spray-absorption, mixed liquor is discharged from blow-down pipe, and add the technique that adds active carbon to needs and add a little, clean gas is discharged by the exhaust outlet of dust absorbing barrel upper end.
When manually adding Powdered Activated Carbon in the mixing drum, open air suction valve, the first water intaking valve and atmospheric valve, close control of dust valve and outlet valve, because mixing drum is when artificial adding Powdered Activated Carbon, the diffusion of can outside the hand feed mouth, floating of Powdered Activated Carbon dust, so start air-introduced machine dust is sucked mixing drum, and from manhole with in dust inspiration air draught arm and the air draught house steward, because the pressure that contains dusty gas that enters in described air draught arm and the air draught house steward is little, so the dust absorbing barrel inside liquid level need to be controlled at lower level, the lower end that preferably is not higher than described tracheae, the gas that contains the Powdered Activated Carbon dust is entered the air inlet of dust absorbing barrel upper end by the gas main, and arrive the bottom of dust absorbing barrel through tracheae, then dispersed in the transverse tube that enters the tracheae lower end by the lower end of tracheae, evenly enter in the dust absorbing barrel by equally distributed venthole on the transverse tube again, the shower nozzle on dust absorbing barrel top carries out spray-absorption to the gas that contains dust, Powdered Activated Carbon in the gas forms the bottom that mixed liquor accumulates in dust absorbing barrel after by the water spray-absorption, mixed liquor is discharged and is added the technique that adds active carbon to needs from blow-down pipe and adds a little, and clean gas is discharged by the exhaust outlet of dust absorbing barrel upper end.
The effect of the first air intake duct and the first inlet valve is: when feed bin adds Powdered Activated Carbon in the trend mixing drum, extraneous gas sucks in the feed bin by the first air intake duct and the first inlet valve, keep the invariablenes pressure of liquid in the feed bin, avoid reducing to affect discharging because of pressure in the feed bin.The effect of the second air intake duct and the second inlet valve is: when the mixed liquor in the mixing drum outwards adds, extraneous gas sucks in the mixing drum by the second air intake duct and the second inlet valve, keep the invariablenes pressure of liquid in the mixing drum, avoid in the mixing drum pressure to reduce and affect discharging.
Claims (6)
1. the dust absorbing barrel of a wet type adding device of powder activated carbon, it is characterized in that: described dust absorbing barrel is inner airtight cylinder for cavity, described dust absorbing barrel offers air inlet, the dust that described wet type adding device of powder activated carbon produces passes into air inlet on the described dust absorbing barrel by pipeline, be provided with tracheae in the described dust absorbing barrel, one end of described tracheae is communicated with described air inlet, the other end of described tracheae is positioned at the bottom of described dust absorbing barrel, the top of described dust absorbing barrel is provided with some shower nozzles, described nozzle connecting is connected with the first water inlet pipe with the first water intaking valve, described the first water intaking valve is controlled the current break-make in its place first water inlet pipe, the bottom of described dust absorbing barrel is communicated with the blow-down pipe with atmospheric valve, described atmospheric valve is controlled the fluid break-make in its place blow-down pipe, and described dust absorbing barrel top offers the exhaust outlet of discharging for clean gas;
When described wet type adding device of powder activated carbon is Powdered Activated Carbon auto-manual rotating vane type adding equipment, this Powdered Activated Carbon auto-manual rotating vane type adding equipment has a feed bin and some mixing drums, the top of described feed bin has the opening that communicates with ambient atmosphere and be used for exhaust, described open communication has blast pipe, described blast pipe branches out dust leg and the first air intake duct, described dust leg is provided with the control of dust valve, described control of dust valve is controlled the air-flow break-make in its place dust leg, described the first air intake duct is provided with the first inlet valve, described the first inlet valve is the check valve that sucks of supplied gas only, each mixing drum upper end has hand feed mouth and manhole, the upper end of at least one mixing drum is provided with pneumostome, all is furnished with suspended hood on the manhole of each mixing drum, described suspended hood sealing covers the manhole corresponding with it, be provided with one to one air draught arm of some and suspended hood, the air draught arm one end suspended hood corresponding with it is connected, all air draught arm other ends merge into the air draught house steward, all be provided with air suction valve on each air draught arm, described air suction valve is controlled the air-flow break-make on its place air draught arm, described air draught house steward is provided with air-introduced machine, described pneumostome is communicated with respiratory siphon, described respiratory siphon branches out exhaust tube and the second air intake duct, described the second air intake duct is provided with the second inlet valve, described the second inlet valve is the check valve that sucks of supplied gas only, described exhaust tube is provided with outlet valve, described outlet valve is controlled the air-flow break-make in its place exhaust tube, air inlet on the described dust absorbing barrel is communicated with the gas main, described dust leg, air draught house steward and exhaust tube all communicate with described gas main.
2. the dust absorbing barrel of wet type adding device of powder activated carbon according to claim 1, it is characterized in that: described dust absorbing barrel is provided with the liquid level testing arrangement for test dust absorbing barrel inside liquid level.
3. the dust absorbing barrel of wet type adding device of powder activated carbon according to claim 1, it is characterized in that: the top of described dust absorbing barrel is communicated with overflow pipe.
4. the dust absorbing barrel of wet type adding device of powder activated carbon according to claim 1 is characterized in that: described air inlet and described exhaust outlet all are positioned at described dust absorbing barrel upper end.
5. the dust absorbing barrel of wet type adding device of powder activated carbon according to claim 1, it is characterized in that: described dust absorbing barrel is communicated with the second water inlet pipe that supplies water to the dust absorbing barrel internal cavities, and described the second water inlet pipe is provided with the second water intaking valve of its current break-make of control.
6. the dust absorbing barrel of wet type adding device of powder activated carbon according to claim 1 is characterized in that: the lower end of described tracheae some transverse tubes that extend radially outwardly out spaced apartly on the described transverse tube are provided with some ventholes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910233168 CN102078734B (en) | 2009-11-26 | 2009-11-26 | Dust absorption tube of wet-type feeding device of powder active carbon (PAC) |
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| CN 200910233168 CN102078734B (en) | 2009-11-26 | 2009-11-26 | Dust absorption tube of wet-type feeding device of powder active carbon (PAC) |
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| CN102078734B true CN102078734B (en) | 2013-04-24 |
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