CN102772940A - Device and method for back washing of ceramic filter of coking surplus ammonia water filter tar - Google Patents
Device and method for back washing of ceramic filter of coking surplus ammonia water filter tar Download PDFInfo
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- CN102772940A CN102772940A CN2012102688479A CN201210268847A CN102772940A CN 102772940 A CN102772940 A CN 102772940A CN 2012102688479 A CN2012102688479 A CN 2012102688479A CN 201210268847 A CN201210268847 A CN 201210268847A CN 102772940 A CN102772940 A CN 102772940A
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Abstract
A device and a method for back washing of a ceramic filter of coking surplus ammonia water filter tar relate to the device and the method for back washing of the ceramic filter of the filter tar. The device and the method resolve the problem in the prior art that the clearing process of impurities such as tar, naphthalene, coke powder and oil residue on the inner wall of a ceramic filtering pipe of the coking tar ceramic filter is complex by the existing device, and clearing is not complete. An ammonia still waste water back washing input pipeline and a surplus ammonia water input pipeline are communicated with the ceramic filter, one end of the back washing ammonia still waste water input pipeline is communicated with an ammonia still waste water input pipeline through an ammonia still waste water pump, and the other end of the back washing ammonia still waste water input pipeline is communicated with the ammonia still waste water back washing input pipeline. Hot ammonia still waste water delivered from the bottom of an ammonia still tower is delivered to the ammonia still waste water pump through the ammonia still waste water input pipeline and is delivered to the ceramic filter for back washing through the ammonia still waste water pump and the back washing ammonia still waste water input pipeline. The device and the method are used for back washing of the ceramic filter of the filter tar.
Description
Technical field
The present invention relates to a kind of ceramic filter back purge system and method for filtered tar.
Background technology
Coking tar microporous ceramic filter in use for some time; Often occur stopping up or the interior material wall built-up problem of ceramic filter; In order to remove impurity such as tar on the ceramic filter inside pipe wall, naphthalene, coke powder, the dregs of fat; Guarantee the functional of microporous ceramic filter; Need to be equipped with hot-water cylinder and hot water backwashing pump, intermittently start the hot water backwashing pump then, utilize 95 ~ 99 ℃ of hot water (hot water temperature is healed high repercussion effect better) that wall built-up is discharged the back under the flushing of impurity such as the tar on the forward filter tube wall of ceramic filter pipe, naphthalene, coke powder, the dregs of fat.Adopt the said equipment and technology to exist technology loaded down with trivial details, remove halfway problem.
Summary of the invention
The ceramic filter back purge system and the method that the purpose of this invention is to provide a kind of residual coking ammonia water filtered tar; Adopting existing equipment and technology that impurity such as the tar on the ceramic filter inside pipe wall of coking tar ceramic filter, naphthalene, coke powder, the dregs of fat are removed with solution exists technology loaded down with trivial details, removes halfway problem.
The present invention addresses the above problem the technical scheme of taking to be:
The ceramic filter back purge system of residual coking ammonia water filtered tar, said back purge system comprise cooling pipe, the 5th valve, the 6th valve and the distilled ammonia wastewater pump of distilled ammonia wastewater backwash input channel, remained ammonia input channel, first valve, second valve, distilled ammonia wastewater input channel, ammonia still process heat exchanger; Said back purge system also comprises backwash distilled ammonia wastewater input channel, the 3rd valve, emptying pipe and the 4th valve; Distilled ammonia wastewater backwash input channel and remained ammonia input channel from top to bottom laterally arrange; Distilled ammonia wastewater backwash input channel and remained ammonia input channel all are communicated with said ceramic filter; First valve is installed on the remained ammonia input channel, on the distilled ammonia wastewater backwash input channel second valve is installed, the distilled ammonia wastewater input channel is communicated with an end of backwash distilled ammonia wastewater input channel through the distilled ammonia wastewater pump; The other end of backwash distilled ammonia wastewater input channel is communicated with distilled ammonia wastewater backwash input channel; On the backwash distilled ammonia wastewater input channel the 3rd valve is installed, the 3rd valve is arranged between first valve and the ceramic filter, and emptying pipe all is communicated with backwash distilled ammonia wastewater input channel with an end of the cooling pipe of ammonia still process heat exchanger; The cooling pipe of ammonia still process heat exchanger is arranged between emptying pipe and the distilled ammonia wastewater pump; The 4th valve is installed on the emptying pipe, the 5th valve is installed on the cooling pipe of ammonia still process heat exchanger, the bottom of ceramic filter is provided with the sewage backwash mouth; Sewage backwash mouth place is equipped with the 6th valve, and emptying pipe is arranged between the cooling pipe of the 3rd valve and ammonia still process heat exchanger.
The ceramic filter back-flushing method of residual coking ammonia water filtered tar, said back-flushing method may further comprise the steps:
Step 1: at first close first valve, second valve and the 4th valve, the 3rd valve and the 6th valve are opened fully, and the 5th valve is in semi-open state;
Step 2: then with the hot distilled ammonia wastewater that transports at the bottom of the ammonia still in the distilled ammonia wastewater input channel is delivered to the distilled ammonia wastewater pump; And through the distilled ammonia wastewater pump hot distilled ammonia wastewater is delivered to through backwash distilled ammonia wastewater input channel and implements back flush in the ceramic filter; The temperature of hot distilled ammonia wastewater is that 103 ~ 110 ℃, pressure are 0.3 ~ 0.5MPa's; Tar, naphthalene, coke powder and the impurity that wash in the ceramic filter is through the discharge of sewage backwash mouth, treat that ceramic filter is cleaned out after, close the 3rd valve; Open the 4th valve, through emptying pipe with the liquid emptying in the backwash distilled ammonia wastewater input channel.
Beneficial effect of the present invention is following: the present invention feeds ceramic filter with the hot distilled ammonia wastewater at the bottom of the ammonia still to carry out back flush; Wash ceramic filter inner filtration tube wall forward wall built-up tar; Thereby reach the function that purifies backwash remained ammonia ceramic filter; Accomplished energy-saving steam again, practiced thrift water, handling safety, reliable.In this operating process, former technical process is gone the cooling pipe decrement operation of the ammonia still process heat exchanger of next process.
Description of drawings
Fig. 1 is the structural representation of the ceramic filter back purge system of residual coking ammonia water filtered tar of the present invention.
The specific embodiment
The specific embodiment one: combine Fig. 1 explanation; The ceramic filter back purge system of the residual coking ammonia water filtered tar of this embodiment; Said back purge system comprise distilled ammonia wastewater backwash input channel 3 (with existing remained ammonia output channel be same pipeline; Promptly this pipeline is distilled ammonia wastewater backwash input channel when carrying out backwash; When carrying out operate as normal, be the remained ammonia output channel), the cooling pipe of remained ammonia input channel 2, first valve 10, second valve 11, distilled ammonia wastewater input channel 6, ammonia still process heat exchanger 7, the 5th valve 14, the 6th valve 15 and distilled ammonia wastewater pump 5; Said back purge system also comprises backwash distilled ammonia wastewater input channel 8, the 3rd valve 12, emptying pipe 9 and the 4th valve 13; Distilled ammonia wastewater backwash input channel 3 (with existing remained ammonia output channel be same pipeline) from top to bottom laterally arrange with remained ammonia input channel 2; Distilled ammonia wastewater backwash input channel 3 and remained ammonia input channel 2 all are communicated with said ceramic filter 1; First valve 10 is installed on the remained ammonia input channel 2; Second valve 11 is installed on the distilled ammonia wastewater backwash input channel 3; Distilled ammonia wastewater input channel 6 is communicated with an end of backwash distilled ammonia wastewater input channel 8 through distilled ammonia wastewater pump 5, and the other end of backwash distilled ammonia wastewater input channel 8 is communicated with distilled ammonia wastewater backwash input channel 3, and the 3rd valve 12 is installed on the backwash distilled ammonia wastewater input channel 8; The 3rd valve 12 is arranged between first valve 10 and the ceramic filter 1; Emptying pipe 9 all is communicated with backwash distilled ammonia wastewater input channel 8 with an end of the cooling pipe 7 of ammonia still process heat exchanger, and the cooling pipe 7 of ammonia still process heat exchanger is arranged between emptying pipe 9 and the distilled ammonia wastewater pump 5, and the 4th valve 13 is installed on the emptying pipe 9; The 5th valve 14 is installed on the cooling pipe 7 of ammonia still process heat exchanger; The bottom of ceramic filter 1 is provided with sewage backwash mouth 4, and sewage backwash mouth 4 places are equipped with the 6th valve 15, and emptying pipe 9 is arranged between the cooling pipe 7 of the 3rd valve 12 and ammonia still process heat exchanger.
Ceramic filter in this embodiment is used for filtered tar, and ceramic filter is a microporous ceramic filter.
The specific embodiment two: combine Fig. 1 explanation, the ceramic filter back-flushing method of the residual coking ammonia water filtered tar of this embodiment, said back-flushing method may further comprise the steps:
Step 1: at first close first valve 10, second valve 11 and the 4th valve 13, the three valves 12 and the 6th valve 15 and open fully, the 5th valve 14 is in semi-open state;
Step 2: then with the hot distilled ammonia wastewater that transports at the bottom of the ammonia still in distilled ammonia wastewater input channel 6 is delivered to distilled ammonia wastewater pump 5; And through distilled ammonia wastewater pump 5 hot distilled ammonia wastewater is delivered in the ceramic filter 1 through backwash distilled ammonia wastewater input channel 8 and implements back flush; The temperature of hot distilled ammonia wastewater is that 103 ~ 110 ℃, pressure are 0.3 ~ 0.5MPa's; Tar, naphthalene, coke powder and the impurity that wash in the ceramic filter 1 is through 4 discharges of sewage backwash mouth, treat that ceramic filter 1 is cleaned out after, close the 3rd valve 12; Open the 4th valve 13, through emptying pipe 9 with the liquid emptying in the backwash distilled ammonia wastewater input channel 8.
This embodiment is to utilize the ceramic filter back purge system of the residual coking ammonia water filtered tar in the specific embodiment one that ceramic filter 1 is realized backwash.
Normal process flow is: the remained ammonia that is rich in impurity such as tar, naphthalene, coke powder, the dregs of fat gets in the ceramic filter 1 from remained ammonia input channel 2; In ceramic filter 1, in ceramic filter tube, outside ceramic filter tube, flow out; In this process; Impurity such as the tar in the remained ammonia, naphthalene, coke powder, the dregs of fat are left on the ceramic filter pipe internal surface, and the remained ammonia of cleaning sees through ceramic filter tube relatively, has got into outside the ceramic filter tube.A lot of this ceramic filter tubes are arranged in ceramic filter; After the remained ammonia of process ceramic filter tube compiles; Discharge from the remained ammonia output channel of ceramic filter 1, enter into down in the remained ammonia treatment system together, the 3rd valve 12 is closed at this moment.
Claims (2)
1. the ceramic filter back purge system of a residual coking ammonia water filtered tar, said back purge system comprises cooling pipe (7), the 5th valve (14), the 6th valve (15) and the distilled ammonia wastewater pump (5) of distilled ammonia wastewater backwash input channel (3), remained ammonia input channel (2), first valve (10), second valve (11), distilled ammonia wastewater input channel (6), ammonia still process heat exchanger; It is characterized in that: said back purge system also comprises backwash distilled ammonia wastewater input channel (8), the 3rd valve (12), emptying pipe (9) and the 4th valve (13); Distilled ammonia wastewater backwash input channel (3) from top to bottom laterally arranges with remained ammonia input channel (2); Distilled ammonia wastewater backwash input channel (3) and remained ammonia input channel (2) all are communicated with said ceramic filter (1); First valve (10) is installed on the remained ammonia input channel (2); Second valve (11) is installed on the distilled ammonia wastewater backwash input channel (3); Distilled ammonia wastewater input channel (6) is communicated with an end of backwash distilled ammonia wastewater input channel (8) through distilled ammonia wastewater pump (5); The other end of backwash distilled ammonia wastewater input channel (8) is communicated with distilled ammonia wastewater backwash input channel (3); The 3rd valve (12) is installed on the backwash distilled ammonia wastewater input channel (8), and the 3rd valve (12) is arranged between first valve (10) and the ceramic filter (1), and emptying pipe (9) all is communicated with backwash distilled ammonia wastewater input channel (8) with an end of the cooling pipe (7) of ammonia still process heat exchanger; The cooling pipe of ammonia still process heat exchanger (7) is arranged between emptying pipe (9) and the distilled ammonia wastewater pump (5); The 4th valve (13) is installed on the emptying pipe (9), the 5th valve (14) is installed on the cooling pipe of ammonia still process heat exchanger (7), the bottom of ceramic filter (1) is provided with sewage backwash mouth (4); Sewage backwash mouth (4) locates to be equipped with the 6th valve (15), and emptying pipe (9) is arranged between the cooling pipe (7) of the 3rd valve (12) and ammonia still process heat exchanger.
2. utilize the said back purge system of claim 1 that the ceramic filter of residual coking ammonia water filtered tar is carried out back-flushing method, it is characterized in that: said back-flushing method may further comprise the steps:
Step 1: at first close first valve (10), second valve (11) and the 4th valve (13), the 3rd valve (12) and the 6th valve (15) are opened fully, and the 5th valve (14) is in semi-open state;
Step 2: then with the hot distilled ammonia wastewater that transports at the bottom of the ammonia still in distilled ammonia wastewater input channel (6) is delivered to distilled ammonia wastewater pump (5); And hot distilled ammonia wastewater, is implemented backwash distilled ammonia wastewater input channel (8) back flush in being delivered to ceramic filter (1) through distilled ammonia wastewater pump (5); The temperature of hot distilled ammonia wastewater is that 103～110 ℃, pressure are 0.3 ~ 0.5MPa's; The tar, naphthalene, coke powder and the impurity that wash in the ceramic filter (1) are discharged through sewage backwash mouth (4); After treating that ceramic filter (1) is cleaned out; Close the 3rd valve (12), open the 4th valve (13), through emptying pipe (9) the liquid emptying that backwash distilled ammonia wastewater input channel (8) is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102688479A CN102772940A (en) | 2012-07-31 | 2012-07-31 | Device and method for back washing of ceramic filter of coking surplus ammonia water filter tar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102688479A CN102772940A (en) | 2012-07-31 | 2012-07-31 | Device and method for back washing of ceramic filter of coking surplus ammonia water filter tar |
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| CN102772940A true CN102772940A (en) | 2012-11-14 |
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| CN2012102688479A Pending CN102772940A (en) | 2012-07-31 | 2012-07-31 | Device and method for back washing of ceramic filter of coking surplus ammonia water filter tar |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706162A (en) * | 2013-12-30 | 2014-04-09 | 大连华氏流体设备有限公司 | Automatic filtering device for low-temperature coal tar and working method of automatic filtering device |
| CN104689631A (en) * | 2015-03-27 | 2015-06-10 | 山东钢铁股份有限公司 | Cycling ammonia water filtering device and method |
| CN109253558A (en) * | 2018-03-19 | 2019-01-22 | 华洋通信科技股份有限公司 | A kind of cyclic ammonia water UTILIZATION OF VESIDUAL HEAT IN refrigeration unit automatic back-flushing device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012086149A (en) * | 2010-10-19 | 2012-05-10 | Metawater Co Ltd | Membrane filtering method |
| CN202315507U (en) * | 2011-09-13 | 2012-07-11 | 河南利源煤焦集团有限公司 | Back-wash system of ceramic filter |
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2012
- 2012-07-31 CN CN2012102688479A patent/CN102772940A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012086149A (en) * | 2010-10-19 | 2012-05-10 | Metawater Co Ltd | Membrane filtering method |
| CN202315507U (en) * | 2011-09-13 | 2012-07-11 | 河南利源煤焦集团有限公司 | Back-wash system of ceramic filter |
Non-Patent Citations (3)
| Title |
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| 冯江华，李慧敏: "陶瓷膜在焦化剩余氨水中除油的应用", 《工业水处理》 * |
| 李少源，马宇: "氨水除油技术的实际应用", 《南钢科技与管理》 * |
| 鲁江: "陶瓷膜过滤器在氨水除油工艺上的应用", 《水处理技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706162A (en) * | 2013-12-30 | 2014-04-09 | 大连华氏流体设备有限公司 | Automatic filtering device for low-temperature coal tar and working method of automatic filtering device |
| CN104689631A (en) * | 2015-03-27 | 2015-06-10 | 山东钢铁股份有限公司 | Cycling ammonia water filtering device and method |
| CN104689631B (en) * | 2015-03-27 | 2016-09-07 | 山东钢铁股份有限公司 | A kind of cyclic ammonia water filter and method |
| CN109253558A (en) * | 2018-03-19 | 2019-01-22 | 华洋通信科技股份有限公司 | A kind of cyclic ammonia water UTILIZATION OF VESIDUAL HEAT IN refrigeration unit automatic back-flushing device and method |
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Application publication date: 20121114 |