CN109876517B - Low-temperature multistage filtering flow cutting unit - Google Patents
Low-temperature multistage filtering flow cutting unit Download PDFInfo
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- CN109876517B CN109876517B CN201910131625.4A CN201910131625A CN109876517B CN 109876517 B CN109876517 B CN 109876517B CN 201910131625 A CN201910131625 A CN 201910131625A CN 109876517 B CN109876517 B CN 109876517B
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Abstract
The invention provides a low-temperature multistage filtering flow cutting machine set, which comprises: the system comprises a refrigeration system Q1, a liquid inlet system, a cooling circulation system, a refrigerant circulation system, a cooling system, a filtering system, a circulation cutting system A, a circulation cutting system B, a circulation cutting system C, a circulation cutting system D, a circulation cutting system E, a circulation cutting system F, a filtering type interceptor C3 temperature supplementing system, a filtering type interceptor C6 temperature supplementing system and a temperature supplementing circulation system; the process of the invention is scientific, simple and practical in operation, replaces a freezing and filtering system using a filter aid medium, saves mineral resources, and is clean and environment-friendly.
Description
Technical Field
The invention relates to a low-temperature multistage filtering flow cutting machine set in the freezing and filtering industry.
Background
At present, in the liquid freezing filtration of industries such as medicine, chemical industry, light industry, beverage and the like, a plurality of filtration modes and cleaning processes are available on the market, a large amount of mineral resources such as diatomite are used, a large amount of mixture is left after each filtration, the mixture is discharged and the like, the pollution is caused, and the resources are not renewable; the freeze filter units on the market are in need of improvement in cleaning and continuous filtration.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a low-temperature multistage filtering flow cutting machine set which is simple to operate and easy to use, is simple to operate and realizes quick cleaning and continuous filtering.
The low-temperature multistage filtration flow cutting machine set comprises: the system comprises a refrigeration system Q1, a liquid inlet system, a cooling circulation system, a refrigerant circulation system, a cooling system, a filtering system, a circulation cutting system A, a circulation cutting system B, a circulation cutting system C, a circulation cutting system D, a circulation cutting system E, a circulation cutting system F, a filtering type interceptor C3 temperature supplementing system, a filtering type interceptor C6 temperature supplementing system and a temperature supplementing circulation system; the refrigeration system Q1 comprises an explosion-proof compressor, a condenser, an evaporator, a gas-liquid separator, an expansion valve, a drying filter and the like, and is connected through a pipeline to form a refrigeration loop; the liquid inlet system comprises a valve A1, a protective filter C1, a liquid inlet pump H1, a valve A2, a primary exchanger W1, a secondary compensation exchanger W2, a valve A3, a filter pump H2, a valve A4, a filter C2, a valve A5, a fine filter pump H3, a valve A6, a fine filter C4, a valve D3, a tertiary pump H7, a valve D4, a filter C5, a valve B1, a circulating pump H4, a valve B2, a filtering type interceptor C3, a valve B63 7 and a filtering type interceptor C6 which are connected through pipelines to form a liquid inlet loop; the cooling circulation system comprises a cooling tower system Q2, a valve Q3, a cooling pump H5, the condenser and a valve Q4 which are connected through pipelines to form a cooling circulation loop; the refrigerant circulating system comprises a refrigerant tank Q7, a valve Q6, the evaporator, the secondary compensation exchanger W2, a refrigerant pump H6 and a valve Q8 which are connected through pipelines to form a refrigerant circulating loop; the cooling system comprises the liquid inlet pump H1, the valve A2, the primary exchanger W1, the secondary compensation exchanger W2, the valve A3, the filter pump H2, the valve A4, the filter C2, the valve A5, the fine filter pump H3, the valve A6, the fine filter C4, the valve D3, the tertiary pump H7, the valve D4, the filter C5, the primary exchanger W1, a turbidity meter W3 and a valve A8 which are connected through pipelines to form a cooling loop; the filtering system comprises the valve A1, the guard filter C1, the liquid inlet pump H1, the valve A2, the primary exchanger W1, the secondary compensation exchanger W2, the valve A3, the filter pump H2, the valve A4, the filter C2, the valve A5, the fine filter pump H3, the valve A6, the fine filter C4, the valve D3, the tertiary pump H7, the valve D4, the filter C5, the primary exchanger W1, the turbidity meter W3, a liquid feeding pump H8 and a valve A7 which are connected through pipelines to form a filtering loop; the A circulating flow cutting system comprises the filter C2, the valve B1, the circulating pump H4, the valve B2, the filtering interceptor C3, a valve D7, a valve D8 and a valve B3 which are connected through pipelines to form an A circulating flow cutting loop; the B circulation flow cutting system comprises the fine filter C4, a valve B9, the circulation pump H4, a valve B2, a filter interceptor C3, a valve D7, a valve D8 and a valve B8 which are connected through pipelines to form a B circulation flow cutting loop; the C circulation flow cutting system comprises the filter C5, a valve D2, the circulation pump H4, the valve B2, the filtering interceptor C3, the valve D7, the valve D8 and a valve D1 which are connected through pipelines to form a C circulation flow cutting loop; the D circulation flow cutting system comprises the filter C2, the valve B1, the circulation pump H4, the valve B7, the filtering interceptor C6, a valve D9, the valve D8 and a valve B3 which are connected through pipelines to form a D circulation flow cutting loop; the E circulation flow cutting system comprises the filter C4, the valve B9, the circulation pump H4, the valve B7, the filtering interceptor C6, the valve D9, the valve D8 and the valve B8 which are connected through pipelines to form an E circulation flow cutting loop; the F circulation flow cutting system comprises the filter C5, the valve D2, the circulation pump H4, the valve B7, the filtering interceptor C6, the valve D9, the valve D8 and the valve D1 which are connected through pipelines to form an F circulation flow cutting loop; the temperature supplementing system of the filtering interceptor C3 comprises a valve B6, the circulating pump H4, a valve B2, the filtering interceptor C3, a valve D7, a valve D8, a valve B4 and an exchanger W6 which are connected through pipelines to form a temperature supplementing loop of the filtering interceptor C3; the temperature supplementing system of the filtering interceptor C6 comprises the valve B6, the circulating pump H4, the valve B7, the filtering interceptor C6, the valve D9, the valve D8, a valve B4 and an exchanger W6 which are connected through pipelines to form a temperature supplementing loop of the filtering interceptor C6; the temperature-supplementing circulating system comprises a refrigerant tank Q7, a valve E6, a pump E8 and a valve E7 which are connected through pipelines to form a temperature-supplementing circulating loop.
When the attachments filtered and intercepted by the filtering machine in the filtering system are increased and need to be cleaned, the attachments are cut into the interceptors through liquid and the circulating intercepting system, so that the cleaning function is realized quickly, the cleaning function can be implemented during filtering, and the cleaning function can also be implemented after the filtering system is stopped.
The following steps are carried out during the filtration: the filtering pressure is set to be a low pressure value and a high pressure value, when the pressure rises to reach the high pressure value, the circulating interception system is started, and the attachments on the filter plate are cut through circulating flow and are brought into and intercepted in an interceptor in the circulating interception system; when the pressure value of the continuous filtration is reduced to reach the low pressure value, the circulating interception system is closed; the low pressure value and the high pressure value are set according to actual requirements.
The principle of flow cutting: carry out the filter surface to filter plate in the filter through the feed liquor velocity of flow and strike, the impact has broken away from the attachment of filtering the interception on the filter surface, the rethread circulation interception system circulation has the mixed liquid of attachment, it intercepts to attach filtration circulation in the interceptor, realized fast the attachment of filter surface breaks away from, can realize continuous filterable purpose simultaneously, has realized the principle that the flow is cut.
Drawings
Fig. 1 is a schematic diagram of the present invention, and the icons are respectively: the system comprises a valve A, a filter protection device C, a liquid inlet pump H, a valve A, a primary exchanger W, a secondary compensation exchanger W, a refrigeration system Q, a valve A, a filter pump H, a valve A, a filter C, a valve A, a fine filter pump H, a valve A, a fine filter C, a valve D, a tertiary pump H, a valve D, a filter C, a turbidimeter W, a circulating valve A, a liquid feeding pump H, a valve A, a valve B, a circulating pump H, a filter interceptor C, a valve B, a valve D, a cooling tower system Q, a valve Q, a cooling pump H, a valve Q, a refrigerant pump H, a refrigerant tank Q, a valve D, a valve E, a pump E, an exchanger W, a pump H and a filter interceptor C.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings and the above summary of the invention. The invention aims to provide a low-temperature multistage filtering flow cutting machine set, and the process of the invention is scientific, simple to operate, clean and environment-friendly.
Embodiments referring to fig. 1, the low-temperature multistage filtration flow cutting machine set includes: the system comprises a refrigeration system Q1, a liquid inlet system, a cooling circulation system, a refrigerant circulation system, a cooling system, a filtering system, a circulation cutting system A, a circulation cutting system B, a circulation cutting system C, a circulation cutting system D, a circulation cutting system E, a circulation cutting system F, a filtering type interceptor C3 temperature supplementing system, a filtering type interceptor C6 temperature supplementing system and a temperature supplementing circulation system; the refrigeration system Q1 comprises an explosion-proof compressor, a condenser, an evaporator, a gas-liquid separator, an expansion valve, a drying filter and the like, and is connected through a pipeline to form a refrigeration loop; the liquid inlet system comprises a valve A1, a protective filter C1, a liquid inlet pump H1, a valve A2, a primary exchanger W1, a secondary compensation exchanger W2, a valve A3, a filter pump H2, a valve A4, a filter C2, a valve A5, a fine filter pump H3, a valve A6, a fine filter C4, a valve D3, a tertiary pump H7, a valve D4, a filter C5, a valve B1, a circulating pump H4, a valve B2, a filtering type interceptor C3, a valve B63 7 and a filtering type interceptor C6 which are connected through pipelines to form a liquid inlet loop; the cooling circulation system comprises a cooling tower system Q2, a valve Q3, a cooling pump H5, the condenser and a valve Q4 which are connected through pipelines to form a cooling circulation loop; the refrigerant circulating system comprises a refrigerant tank Q7, a valve Q6, the evaporator, the secondary compensation exchanger W2, a refrigerant pump H6 and a valve Q8 which are connected through pipelines to form a refrigerant circulating loop; the cooling system comprises the liquid inlet pump H1, the valve A2, the primary exchanger W1, the secondary compensation exchanger W2, the valve A3, the filter pump H2, the valve A4, the filter C2, the valve A5, the fine filter pump H3, the valve A6, the fine filter C4, the valve D3, the tertiary pump H7, the valve D4, the filter C5, the primary exchanger W1, a turbidity meter W3 and a valve A8 which are connected through pipelines to form a cooling loop; the filtering system comprises the valve A1, the guard filter C1, the liquid inlet pump H1, the valve A2, the primary exchanger W1, the secondary compensation exchanger W2, the valve A3, the filter pump H2, the valve A4, the filter C2, the valve A5, the fine filter pump H3, the valve A6, the fine filter C4, the valve D3, the tertiary pump H7, the valve D4, the filter C5, the primary exchanger W1, the turbidity meter W3, a liquid feeding pump H8 and a valve A7 which are connected through pipelines to form a filtering loop; the A circulating flow cutting system comprises the filter C2, the valve B1, the circulating pump H4, the valve B2, the filtering interceptor C3, a valve D7, a valve D8 and a valve B3 which are connected through pipelines to form an A circulating flow cutting loop; the B circulation flow cutting system comprises the fine filter C4, a valve B9, the circulation pump H4, a valve B2, a filter interceptor C3, a valve D7, a valve D8 and a valve B8 which are connected through pipelines to form a B circulation flow cutting loop; the C circulation flow cutting system comprises the filter C5, a valve D2, the circulation pump H4, the valve B2, the filtering interceptor C3, the valve D7, the valve D8 and a valve D1 which are connected through pipelines to form a C circulation flow cutting loop; the D circulation flow cutting system comprises the filter C2, the valve B1, the circulation pump H4, the valve B7, the filtering interceptor C6, a valve D9, the valve D8 and a valve B3 which are connected through pipelines to form a D circulation flow cutting loop; the E circulation flow cutting system comprises the filter C4, the valve B9, the circulation pump H4, the valve B7, the filtering interceptor C6, the valve D9, the valve D8 and the valve B8 which are connected through pipelines to form an E circulation flow cutting loop; the F circulation flow cutting system comprises the filter C5, the valve D2, the circulation pump H4, the valve B7, the filtering interceptor C6, the valve D9, the valve D8 and the valve D1 which are connected through pipelines to form an F circulation flow cutting loop; the temperature supplementing system of the filtering interceptor C3 comprises a valve B6, the circulating pump H4, a valve B2, the filtering interceptor C3, a valve D7, a valve D8, a valve B4 and an exchanger W6 which are connected through pipelines to form a temperature supplementing loop of the filtering interceptor C3; the temperature supplementing system of the filtering interceptor C6 comprises the valve B6, the circulating pump H4, the valve B7, the filtering interceptor C6, the valve D9, the valve D8, a valve B4 and an exchanger W6 which are connected through pipelines to form a temperature supplementing loop of the filtering interceptor C6; the temperature-supplementing circulating system comprises a refrigerant tank Q7, a valve E6, a pump E8 and a valve E7 which are connected through pipelines to form a temperature-supplementing circulating loop.
The method comprises the following specific operations: after the preparation process is ready, the cooling circulation system, the refrigerant circulation system and the refrigerating system Q1 are started, the liquid inlet system is started to fully load and filter stock solution and is closed, then the cooling system is started to cool, the cooling system is closed when the requirement is met, and then the filtering system is started.
In the process of the filtering system mode, the temperature supplementing circulating system and the filtering type interceptor C3 are started to be closed after meeting the requirement, when the pressure of the filter C2 reaches the cleaning state, the circulation flow cutting system A is started to cut positive pressure-intercepting attachments in the filter C2 in a flow mode, the attachments are filtered and intercepted in the filtering type interceptor C3 through the circulation flow cutting system A, and the circulation flow cutting system A is closed after the pressure of the filter C2 meets the filtering requirement; when the pressure of the fine filter C4 reaches cleaning, starting the B circulation flow cutting system to cut positive pressure attachments in the fine filter C4 in a flow manner, filtering and intercepting the attachments into the filter type interceptor C3 through the B circulation flow cutting system, and closing the B circulation flow cutting system after the pressure C4 of the fine filter meets the filtering requirement; when the pressure of the filter C5 reaches cleaning, starting the C circulation flow cutting system to cut positive pressure-intercepted attachments in the filter C5, filtering and intercepting the attachments into the filtering type interceptor C3 through the C circulation flow cutting system, and closing the C circulation flow cutting system after the pressure of the filter C5 meets the filtering requirement; when the filtering type interceptor C3 needs to be cleaned, the operation of the filtering type interceptor C6 is changed, the operation principle of the filtering type interceptor C3 is the same as that of the filtering type interceptor C3, online cleaning is realized, and continuous filtering is guaranteed.
The filtering interceptor C3, the filtering interceptor C6, the valve E5, the valve E4, the valve E3, the valve D5, the pump H9, the valve E2, and the valve D6 are connected by pipes to form a washing system for washing the filtering interceptor C3 and the filtering interceptor C6, respectively.
The invention has the advantages of improving the working efficiency and reducing the production cost, the process of the invention is scientific, the operation is simple and practical, the freezing and filtering system using the filter aid medium is replaced, the mineral resources are saved, and the invention is clean and environment-friendly.
Claims (1)
1. The utility model provides a low temperature multistage filtration flow cuts unit which characterized in that includes:
the system comprises a refrigeration system Q1, a liquid inlet system, a cooling circulation system, a refrigerant circulation system, a cooling system, a filtering system, a circulation cutting system A, a circulation cutting system B, a circulation cutting system C, a circulation cutting system D, a circulation cutting system E, a circulation cutting system F, a filtering type interceptor C3 temperature supplementing system, a filtering type interceptor C6 temperature supplementing system and a temperature supplementing circulation system;
the refrigeration system Q1 comprises an explosion-proof compressor, a condenser, an evaporator, a gas-liquid separator, an expansion valve and a drying filter, and is connected through a pipeline to form a refrigeration loop;
the liquid inlet system comprises a valve A1, a protective filter C1, a liquid inlet pump H1, a valve A2, a primary exchanger W1, a secondary compensation exchanger W2, a valve A3, a filter pump H2, a valve A4, a filter C2, a valve A5, a fine filter pump H3, a valve A6, a fine filter C4, a valve D3, a tertiary pump H7, a valve D4, a filter C5, a valve B1, a circulating pump H4, a valve B2, a filtering type interceptor C3, a valve B63 7 and a filtering type interceptor C6 which are sequentially connected through pipelines to form a liquid inlet loop;
the cooling circulation system comprises a cooling tower system Q2, a valve Q3, a cooling pump H5, the condenser and a valve Q4 which are sequentially connected through pipelines to form a cooling circulation loop;
the refrigerant circulating system comprises a refrigerant tank Q7, a valve Q6, the evaporator, the secondary compensation exchanger W2, a refrigerant pump H6 and a valve Q8 which are sequentially connected through a pipeline to form a refrigerant circulating loop;
the cooling system comprises the liquid inlet pump H1, the valve A2, the primary exchanger W1, the secondary compensation exchanger W2, the valve A3, the filter pump H2, the valve A4, the filter C2, the valve A5, the fine filter pump H3, the valve A6, the fine filter C4, the valve D3, the tertiary pump H7, the valve D4, the filter C5, the primary exchanger W1, a turbidity meter W3 and a valve A8 which are sequentially connected through pipelines to form a cooling loop;
the filtering system comprises the valve A1, the guard filter C1, the liquid inlet pump H1, the valve A2, the primary exchanger W1, the secondary compensation exchanger W2, the valve A3, the filter pump H2, the valve A4, the filter C2, the valve A5, the fine filter pump H3, the valve A6, the fine filter C4, the valve D3, the tertiary pump H7, the valve D4, the filter C5, the primary exchanger W1, the turbidity meter W3, a liquid feeding pump H8 and a valve A7 which are sequentially connected through pipelines to form a filtering loop;
the A circulating flow cutting system comprises the filter C2, the valve B1, the circulating pump H4, the valve B2, the filtering interceptor C3, a valve D7, a valve D8 and a valve B3 which are sequentially connected through pipelines to form an A circulating flow cutting loop;
the B circulation flow cutting system comprises a fine filter C4, a valve B9, a circulation pump H4, a valve B2, a filtering interceptor C3, a valve D7, a valve D8 and a valve B8 which are sequentially connected through pipelines to form a B circulation flow cutting loop;
the C circulation flow cutting system comprises the filter C5, a valve D2, the circulation pump H4, a valve B2, the filtering interceptor C3, a valve D7, a valve D8 and a valve D1 which are sequentially connected through pipelines to form a C circulation flow cutting loop;
the D circulation flow cutting system comprises the filter C2, the valve B1, the circulation pump H4, the valve B7, the filtering interceptor C6, a valve D9, the valve D8 and a valve B3 which are sequentially connected through pipelines to form a D circulation flow cutting loop;
the E circulation flow cutting system comprises the fine filter C4, the valve B9, the circulation pump H4, the valve B7, the filtering interceptor C6, the valve D9, the valve D8 and the valve B8 which are sequentially connected through a pipeline to form an E circulation flow cutting loop;
the F circulation flow cutting system comprises the filter C5, the valve D2, the circulation pump H4, the valve B7, the filtering interceptor C6, the valve D9, the valve D8 and the valve D1 which are sequentially connected through pipelines to form an F circulation flow cutting loop;
the temperature supplementing system of the filtering interceptor C3 comprises a valve B6, a circulating pump H4, a valve B2, the filtering interceptor C3, a valve D7, a valve D8, a valve B4 and an exchanger W6 which are sequentially connected through pipelines to form a temperature supplementing loop of the filtering interceptor C3;
the temperature supplementing system of the filtering interceptor C6 comprises the valve B6, the circulating pump H4, the valve B7, the filtering interceptor C6, the valve D9, the valve D8, the valve B4 and an exchanger W6 which are sequentially connected through pipelines to form a temperature supplementing loop of the filtering interceptor C6;
the temperature-supplementing circulating system comprises a refrigerant tank Q7, a valve E6, a pump E8 and a valve E7 which are sequentially connected through pipelines to form a temperature-supplementing circulating loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131625.4A CN109876517B (en) | 2019-02-22 | 2019-02-22 | Low-temperature multistage filtering flow cutting unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131625.4A CN109876517B (en) | 2019-02-22 | 2019-02-22 | Low-temperature multistage filtering flow cutting unit |
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| CN109876517A CN109876517A (en) | 2019-06-14 |
| CN109876517B true CN109876517B (en) | 2021-11-09 |
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| CN201910131625.4A Active CN109876517B (en) | 2019-02-22 | 2019-02-22 | Low-temperature multistage filtering flow cutting unit |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837075A (en) * | 2006-04-09 | 2006-09-27 | 青岛大学 | Low-temperature multi-effect seawater desalination process |
| CN201364007Y (en) * | 2009-03-02 | 2009-12-16 | 东莞市康源节能科技有限公司 | Air source high-temperature heat pump dryer |
| CN108654197A (en) * | 2018-07-16 | 2018-10-16 | 高云芝 | A kind of low-temperature filter |
| CN108654206A (en) * | 2018-07-16 | 2018-10-16 | 高云芝 | A kind of freezing filtration device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW564185B (en) * | 2002-10-15 | 2003-12-01 | Jeng-Ming Jou | Method and apparatus of separating solution and desalination seawater based on multi-stage vacuum distillation, cooling and freezing process |
-
2019
- 2019-02-22 CN CN201910131625.4A patent/CN109876517B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837075A (en) * | 2006-04-09 | 2006-09-27 | 青岛大学 | Low-temperature multi-effect seawater desalination process |
| CN201364007Y (en) * | 2009-03-02 | 2009-12-16 | 东莞市康源节能科技有限公司 | Air source high-temperature heat pump dryer |
| CN108654197A (en) * | 2018-07-16 | 2018-10-16 | 高云芝 | A kind of low-temperature filter |
| CN108654206A (en) * | 2018-07-16 | 2018-10-16 | 高云芝 | A kind of freezing filtration device |
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