CN104556026A - Device and method for continuously washing and drying activated carbon - Google Patents

Device and method for continuously washing and drying activated carbon Download PDF

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Publication number
CN104556026A
CN104556026A CN201310492762.3A CN201310492762A CN104556026A CN 104556026 A CN104556026 A CN 104556026A CN 201310492762 A CN201310492762 A CN 201310492762A CN 104556026 A CN104556026 A CN 104556026A
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China
Prior art keywords
vacuum tank
vacuum
spray header
band filter
filter
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Pending
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CN201310492762.3A
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Chinese (zh)
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程振国
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程振国
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Priority to CN201310492762.3A priority Critical patent/CN104556026A/en
Publication of CN104556026A publication Critical patent/CN104556026A/en
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Abstract

The invention relates to a device and method for continuously washing and drying activated carbon. The device comprises a carbon slurry material feeding device, a belt type filter, a discharging hopper, a vacuum sucking and filtering device, vacuum tanks, a washing and spraying device and a pipeline for connection, wherein by taking the moving direction of the belt type filter as the reference, the carbon slurry material feeding device is arranged above the belt type filter, and the discharging hopper is arranged at the lower left side of the belt type filter; the washing and spraying device is arranged above the belt type filter, and the vacuum tanks are arranged at the lower part of the belt type filter; the vacuum tanks are connected with the belt type filter through the pipeline, and the vacuum tanks are also connected with the washing and spraying device and the vacuum sucking and filtering device. For the device and the method disclosed by the invention, phosphoric acid remained in a gap of the activated carbon is washed out through phosphoric acid liquid in different gradients, besides the washed activated carbon is dehydrated in a vacuum negative pressure suction filtration manner, so that the phosphorus residual quantity of the activated carbon obtained after being subjected to acid pickling is reduced, and then the consumption of the phosphoric acid in the production of the activated carbon is reduced; a vacuumizing manner is adopted to perform the dehydration, so that the dehydrating efficiency of the activated carbon is improved.

Description

A kind of gac continuous washing and dry device and method
Technical field
The present invention relates to Activated Carbon Production technical field, specifically a kind of gac continuous washing and dry device and method.
Background technology
In phosphoric acid method wood activated charcoal production technique, comprise with the phosphoric acid in the activated complete gac material of phosphoric acid water extraction of various different concns gradient, its usual concentration is 65 ~ 85 degree Beaume, reclaims raw material phosphoric acid, then the gac after pickling or washing is carried out processed.
In existing Activated Carbon Production flow process, the phosphoric acid in activated material hole is reclaimed and generally take recycling bin or plate-and-frame filter press, these two kinds of ways of recycling are all subject to the restriction of the factors such as environment, extraction liquid concentration and extraction times, and often in the gac hole reclaimed, residual phosphorus amount is also higher (>=3%); And follow-up sheet frame dewatering process adopts pressurized air to carry out the unidirectional mode of operation dried up usually, this mode also exists the shortcoming of dewatering efficiency not high (gac water ratio can only be dewatered to about 70% from 80%) and discontinuous production, even the vacuum dewatering combined equipment occurred recently (gac water ratio can be dewatered to about 65% from 70%), also strict requirement is proposed to the sealing between sheet frame filter plate, which also limits its practical application at activated carbon industry.
Summary of the invention
Main purpose of the present invention is to provide a kind of gac continuous washing and dry device and method, reduces the acid consumption in Activated Carbon Production, improves the quality of products; Next is the dewatering efficiency improving gac, reduces the cost of Activated Carbon Production.
The technical solution adopted for the present invention to solve the technical problems is: a kind of gac continuous washing and dry device, comprise charcoal pulp feeder device, band filter, hopper, vacuum suction filter, vacuum tank, showering washing device and connecting pipe road; The traffic direction of filter is as the criterion as taped, and its front upper place is provided with charcoal pulp feeder device, and its back lower place is provided with hopper; The top of described band filter is provided with showering washing device, and the bottom of described band filter is provided with vacuum tank; Described vacuum tank is connected with band filter by pipeline; Described vacuum tank is also connected with showering washing device and vacuum suction filter.
Described band filter is provided with string rubber, filter cloth, vacuum box, friction belt etc., and the translational speed of string rubber is 1 ~ 20 m/min.
Described vacuum tank comprises vacuum tank V that the traffic direction order along band filter arranges, vacuum tank I, vacuum tank II, vacuum tank III and vacuum tank IV; Described vacuum tank is equipped with fluid inlet, liquid outlet and venting port, the fluid inlet of each vacuum tank is connected with the vacuum box of band filter by pipeline; The venting port of each vacuum tank connects vacuum suction filter by pipeline; Described vacuum tank V is connected complex acid or concentration systems with the leakage fluid dram of vacuum tank I, and the leakage fluid dram of all the other vacuum tanks connects showering washing device by pipeline, and pipeline is provided with counterflow pump.
Water and air in gac on band filter string rubber, by vacuum pumping opening, is extracted out by described absorbing devices.
Described showering washing device comprises spray header I that the traffic direction order along band filter arranges, spray header II, spray header III and spray header IV; Described spray header I is connected with vacuum tank II; Described spray header II is connected with vacuum tank III, and described spray header III is connected with vacuum tank IV; Described spray header IV is connected with the liquid collection opening being located at band filter traffic direction end, and the pipeline that both connect is provided with counterflow pump.
Gac continuous washing and dry method are: certain density charcoal slurry liquid continuously sends into the hopper of band filter through mortar pump, the string rubber of band filter drives charcoal slurry constantly to move forward, in moving process, water and air in activated material on band filter string rubber is drawn into vacuum tank by vacuum suction filter, phosphoric acid water in vacuum tank V and vacuum tank I is delivered in complex acid or enrichment process and is used, phosphoric acid water in vacuum tank II is pumped in spray header I by counterflow pump and washs activated material, phosphoric acid water in vacuum tank III is pumped in spray header II by counterflow pump and washs activated material, phosphoric acid water in vacuum tank IV is pumped in spray header III by counterflow pump and washs activated material, finally the water of cleaning filter cloth is pumped into spray header IV pair of activated material to wash, the gac of lower concentration washing sour water to leading portion of realization back segment washs, and band filter back segment adopts the mode of vacuumizing to dewater to activated material equally, gac after dehydration enters in hopper.
The invention has the beneficial effects as follows: a kind of gac continuous washing and dry device and method, by different gradient phosphoric acid liquid by the phosphoric acid washing (extraction) that remains in gac space out, adopt negative pressure of vacuum suction filtration mode to dewater to the gac washed simultaneously, reduce the residual phosphorus amount that pickling collects gac, and then reduce the consumption of phosphoric acid in Activated Carbon Production; And take to vacuumize mode to dewater, improve the dewatering efficiency of gac.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing 1 is the structural representation of a kind of gac continuous washing and dry device.
In figure, 1. charcoal pulp feeder device, 2. band filter, 3. hopper, 4. vacuum suction filter, 5. vacuum tank, 5-1. vacuum tank I, 5-2. vacuum tank II, 5-3. vacuum tank III, 5-4. vacuum tank IV, 5-5. vacuum tank V, 6. showering washing device, 6-1. spray header I, 6-2. spray header II, 6-3. spray header III, 6-4. spray header IV.
Embodiment
In the accompanying drawings, a kind of gac continuous washing and dry device, comprise charcoal pulp feeder device 1, band filter 2, hopper 3, vacuum suction filter 4, vacuum tank 5, showering washing device 6 and connecting pipe road; The traffic direction of filter 2 is as the criterion as taped, and its front upper place is provided with charcoal pulp feeder device 1, and its back lower place is provided with hopper 3; The top of described band filter 2 is provided with showering washing device 6, and the bottom of described band filter 2 is provided with vacuum tank 5; Described vacuum tank 5 is connected with band filter 2 by pipeline; Described vacuum tank 5 is also connected with showering washing device 6 and vacuum suction filter 4.
Described band filter 2 is provided with string rubber, filter cloth, vacuum box, friction belt etc., and the translational speed of string rubber is 1 ~ 20 m/min.
Described vacuum tank 5 comprises vacuum tank V 5-5, vacuum tank I 5-1 that the traffic direction order along band filter 2 arranges, vacuum tank II 5-2, vacuum tank III 5-3 and vacuum tank IV 5-4; Described vacuum tank is equipped with fluid inlet, liquid outlet and venting port, the fluid inlet of each vacuum tank is connected by the vacuum box of pipeline with band filter 2; The venting port of each vacuum tank connects vacuum suction filter 4 by pipeline; Described vacuum tank V 5-5 is connected complex acid or concentration systems with the leakage fluid dram of vacuum tank I 5-1, and the leakage fluid dram of all the other vacuum tanks connects showering washing device 6 by pipeline, and pipeline is provided with counterflow pump.
Water and air in gac on band filter 2 string rubber, by vacuum pumping opening, is extracted out by described absorbing devices 4.
Described showering washing device 6 comprises spray header I 6-1 that the traffic direction order along band filter 2 arranges, spray header II 6-2, spray header III 6-3 and spray header IV 6-4; Described spray header I 6-1 is connected with vacuum tank II 5-2; Described spray header II 6-2 is connected with vacuum tank III 5-3, and described spray header III 6-3 is connected with vacuum tank IV 5-4; Described spray header IV 6-4 is connected with the liquid collection opening being located at band filter 2 traffic direction end, and the pipeline that both connect is provided with counterflow pump.
Gac continuous washing and dry method are: certain density charcoal slurry liquid continuously sends into the hopper of band filter 2 through mortar pump, the string rubber of band filter 2 drives charcoal slurry constantly to move forward, in moving process, water and air in activated material on band filter 2 string rubber is drawn into vacuum tank 5 by vacuum suction filter 4, phosphoric acid water in vacuum tank V 5-5 and vacuum tank I 5-1 is delivered in complex acid or enrichment process and is used, phosphoric acid water in vacuum tank II 5-2 is pumped in spray header I 6-1 by counterflow pump and washs activated material, phosphoric acid water in vacuum tank III 5-3 is pumped in spray header II 6-2 by counterflow pump and washs activated material, phosphoric acid water in vacuum tank IV 5-4 is pumped in spray header III 6-3 by counterflow pump and washs activated material, finally the water of cleaning filter cloth is pumped into spray header IV 6-4 to wash activated material, the gac of lower concentration washing sour water to leading portion of realization back segment washs, and band filter 2 back segment adopts the mode of vacuumizing to dewater to activated material equally, gac after dehydration enters in hopper 3.

Claims (5)

1. gac continuous washing and a dry device, comprise charcoal pulp feeder device (1), band filter (2), hopper (3), vacuum suction filter (4), vacuum tank (5), showering washing device (6) and connecting pipe road; The traffic direction of filter (2) is as the criterion as taped, and its front upper place is provided with charcoal pulp feeder device (1), and its back lower place is provided with hopper (3); It is characterized in that, the top of described band filter (2) is provided with showering washing device (6), and the bottom of described band filter (2) is provided with vacuum tank (5); Described vacuum tank (5) is connected with band filter (2) by pipeline; Described vacuum tank (5) is also connected with showering washing device (6) and vacuum suction filter (4).
2. gac continuous washing according to claim 1 and dry device, it is characterized in that, described band filter (2) is provided with string rubber, filter cloth, vacuum box, friction belt, and the translational speed of string rubber is 1 ~ 20 m/min.
3. gac continuous washing according to claim 1 and dry device, it is characterized in that, described vacuum tank (5) comprises vacuum tank V (5-5) that the traffic direction order along band filter (2) arranges, vacuum tank I (5-1), vacuum tank II (5-2), vacuum tank III (5-3) and vacuum tank IV (5-4); Described vacuum tank is equipped with fluid inlet, liquid outlet and venting port, the fluid inlet of each vacuum tank is connected by the vacuum box of pipeline with band filter (2); The venting port of each vacuum tank connects vacuum suction filter (4) by pipeline; Described vacuum tank V (5-5) is connected complex acid or concentration systems with the leakage fluid dram of vacuum tank I (5-1), and the leakage fluid dram of all the other vacuum tanks connects showering washing device (6) by pipeline, and pipeline is provided with counterflow pump.
4. gac continuous washing according to claim 1 and dry device, it is characterized in that, described showering washing device (6) comprises spray header I (6-1) that the traffic direction order along band filter (2) arranges, spray header II (6-2), spray header III (6-3) and spray header IV (6-4); Described spray header I (6-1) is connected with vacuum tank II (5-2); Described spray header II (6-2) is connected with vacuum tank III (5-3), and described spray header III (6-3) is connected with vacuum tank IV (5-4); Described spray header IV (6-4) is connected with the liquid collection opening being located at band filter (2) traffic direction end, and the pipeline that both connect is provided with counterflow pump.
5. a gac continuous washing and dry method, it is characterized in that, specific implementation process is: certain density charcoal slurry liquid continuously sends into the hopper of band filter (2) through mortar pump, the string rubber of band filter (2) drives charcoal slurry constantly to move forward, in moving process, water and air in activated material on band filter (2) string rubber is drawn into vacuum tank (5) by vacuum suction filter (4), phosphoric acid water in vacuum tank V (5-5) and vacuum tank I (5-1) is delivered in complex acid or enrichment process and is used, phosphoric acid water in vacuum tank II (5-2) is pumped in spray header I (6-1) by counterflow pump and washs activated material, phosphoric acid water in vacuum tank III (5-3) is pumped in spray header II (6-2) by counterflow pump and washs activated material, phosphoric acid water in vacuum tank IV (5-4) is pumped in spray header III (6-3) by counterflow pump and washs activated material, finally the water of cleaning filter cloth is pumped in spray header IV (6-4) and activated material is washed, the gac of lower concentration washing sour water to leading portion of realization back segment washs, and band filter (2) back segment adopts the mode of vacuumizing to dewater to activated material equally, gac after dehydration enters in hopper (3).
CN201310492762.3A 2013-10-21 2013-10-21 Device and method for continuously washing and drying activated carbon Pending CN104556026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310492762.3A CN104556026A (en) 2013-10-21 2013-10-21 Device and method for continuously washing and drying activated carbon

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Application Number Priority Date Filing Date Title
CN201310492762.3A CN104556026A (en) 2013-10-21 2013-10-21 Device and method for continuously washing and drying activated carbon

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103539117A (en) * 2013-10-21 2014-01-29 徐州天正活性炭厂 Continuous activated carbon washing and drying device
CN113275306A (en) * 2021-04-19 2021-08-20 龙岩市华研活性炭科技有限公司 Dynamic rotational flow active carbon pickling machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103539117A (en) * 2013-10-21 2014-01-29 徐州天正活性炭厂 Continuous activated carbon washing and drying device
CN203612964U (en) * 2013-10-21 2014-05-28 徐州天正活性炭厂 Continuous activated carbon washing and drying device
CN203648224U (en) * 2014-01-07 2014-06-18 江西核威机械有限公司 Rubber belt type vacuum filter
CN203648223U (en) * 2014-01-07 2014-06-18 江西核威机械有限公司 DI type horizontal belt vacuum filter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103539117A (en) * 2013-10-21 2014-01-29 徐州天正活性炭厂 Continuous activated carbon washing and drying device
CN203612964U (en) * 2013-10-21 2014-05-28 徐州天正活性炭厂 Continuous activated carbon washing and drying device
CN203648224U (en) * 2014-01-07 2014-06-18 江西核威机械有限公司 Rubber belt type vacuum filter
CN203648223U (en) * 2014-01-07 2014-06-18 江西核威机械有限公司 DI type horizontal belt vacuum filter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103539117A (en) * 2013-10-21 2014-01-29 徐州天正活性炭厂 Continuous activated carbon washing and drying device
CN103539117B (en) * 2013-10-21 2016-11-23 徐州天正活性炭厂 A kind of continuous activated carbon washing and drying device
CN113275306A (en) * 2021-04-19 2021-08-20 龙岩市华研活性炭科技有限公司 Dynamic rotational flow active carbon pickling machine

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Application publication date: 20150429