CN109603301A - A kind of continuous filtering stream cuts the automation process of attachment - Google Patents

Abstract

The present invention provides the automation process that a kind of continuous filtering stream cuts attachment, the pressure of the filtering is set with low voltage value and high-voltage value, intercepting system is recycled by the low voltage value and the chain opening and closing of the high-voltage value, recycle intercepting system described in chain promoter when the pressure rise reaches the high-voltage value, by recycle stream cut the attachment bring into and intercept it is described circulation intercepting system in interceptor in；It is chain to close the circulation intercepting system when pressure value reduction continuously filtered reaches the low voltage value；Present invention process is scientific and reasonable, simple and practical efficient, clean and environmental protection.

Description

A kind of continuous filtering stream cuts the automation process of attachment

Technical field

The present invention relates to the automation process that a kind of continuous filtering stream cuts attachment.

Background technique

Currently, in the filtering of the industries liquid such as medicine, chemical industry, light industry, drink, there is many filter type and clear in the market Technique is washed, has used a large amount of mineral resources such as diatomite etc., resource is non-renewable；It is real in cross-flow filtration technique, continuous filtering That now cleans automatically technically has much room for improvement.

Summary of the invention

To solve the above-mentioned problems, the object of the present invention is to provide a kind of continuous easy to operate, easy-to-use filtering stream cut it is attached The technique of object, it is scientific and reasonable for structure, it is simple and practical efficiently, low energy consumption, clean and environmental protection.

A kind of continuous filtering stream cuts the automation process of attachment, including filtration system and circulation intercepting system, institute The pressure for stating filtering is set with low voltage value and high-voltage value, intercepts system by the low voltage value and the chain opening and closing circulation of the high-voltage value System, recycles intercepting system described in chain promoter when the pressure rise reaches the high-voltage value, cuts the attachment by recycle stream Object is brought into and is intercepted in the interceptor in the circulation intercepting system；The pressure value reduction continuously filtered reaches described low It is chain to close the circulation intercepting system when pressure value.

Detailed description of the invention

Fig. 1 is a kind of filter plant schematic diagram of the invention；

Fig. 2 is a kind of low-temperature filter schematic diagram of the invention；

Fig. 3 is that indirect-cooling freezing and filtering stream of the invention cuts schematic diagram.

Specific embodiment

Now in conjunction with attached drawing and foregoing invention content, the present invention is described in further detail.It is an object of the invention to provide one The continuous filtering stream of kind cuts the automation process of attachment, and present invention process is scientific and reasonable, simple and practical efficient, clean and environmental protection.

Referring to Fig.1, a kind of filtering for the automation process that the continuous filtering stream of one kind cuts attachment is set embodiment 1. Standby includes: refrigeration system Q1, feed liquor system, cooling recirculation system, cooling system, filtration system and circulation intercepting system；Wherein The refrigeration system Q1 includes explosion-proof compressor, condenser, evaporator, gas-liquid separator, expansion valve, device for drying and filtering etc., is led to It crosses piping connection and forms refrigerating circuit；The feed liquor system includes valve A1, shield filter C1, liquid feeding pump H1, valve A2, an exchanger W1, the evaporator, valve A3, filter pump H2, valve A4, filter C2, valve B1, circulating pump H4, valve B2, interceptor C3, pass through pipe Road connects to form feed liquor circuit；The cooling recirculation system include cooling tower systems Q2, valve Q3, cooling pump H5, the condenser, Valve Q4, connects to form cooling circuit by pipeline；The cooling system includes the liquid feeding pump H1, the valve A2, described It is exchanger W1, the evaporator, the valve A3, the filter pump H2, the valve A4, the filter C2, valve A5, described Exchanger W1, valve A6, transmissometer W3, valve A8 connect to form cooling circuit by pipeline；The filtration system includes described Valve A1, the shield filter C1, the liquid feeding pump H1, the valve A2, an exchanger W1, the evaporator, the valve A3, It is the filter pump H2, the valve A4, the filter C2, the valve A5, an exchanger W1, the valve A6, described turbid Instrument W3, liquid-feeding pump H3, valve A7 are spent, connects to form filtration circuit by pipeline；The circulation intercepting system includes the filter C2, the valve B1, the circulating pump H4, the valve B2, the interceptor C3, valve B3 connect to form circulation interception by pipeline Circuit.

Concrete operations: after preparatory process is ready, first starts the feed liquor system and be fully loaded with filter raw liquid and close, start later The cooling recirculation system, the cooling system and the refrigeration system Q1, the circulation intercepting system, the cooling system and When the circulation intercepting system reaches requirement, the circulation intercepting system is closed, starts the valve valve A1, the liquid feeding pump later H3, valve A7 simultaneously close off the valve 8 into filtered model；During the filtered model carries out, when the filter C2 pressure reaches When cleaning, start the intercepting system and carry out the attachment that stream cuts interception positive pressure in the filter C2, passing through the interception is System is intercepted attachment filtering in the filtering type interceptor, and the filter pressure C2 is closed after meeting filtering requirement The intercepting system, realizes on-line cleaning, has ensured continuous filtering.

Embodiment 2. is referring to Fig. 2, a kind of continuous a kind of low temperature mistake for filtering stream and cutting the automation process of attachment Filtering device includes: refrigeration system Q1, feed liquor system, cooling recirculation system, coolant circulating system, cooling system, filtration system, A Recycle stream cutting system and B recycle stream cutting system；Wherein the refrigeration system Q1 includes explosion-proof compressor, condenser, evaporator, gas Liquid/gas separator, expansion valve, device for drying and filtering etc. form refrigerating circuit by piping connection；The feed liquor system includes valve A1, shield Filter C1, liquid feeding pump H1, valve A2, an exchanger W1, second compensation exchanger W2, valve A3, filter pump H2, valve A4, filter C2, valve A5, refined filtration pump H3, valve A6, strainer C4, valve B1, circulating pump H4, valve B2, filtering type interceptor C3, are connected by pipeline Form feed liquor circuit；The cooling recirculation system includes cooling tower systems Q2, valve Q3, cooling pump H5, the condenser, valve Q4, It connects to form cooling circuit by pipeline；The coolant circulating system includes refrigerant tank Q7, valve Q6, the evaporator, institute Second compensation exchanger W2, refrigerant pump H6, valve Q8 are stated, connects to form refrigerant circulation circuit by pipeline；The cooling system packet Include the liquid feeding pump H1, the valve A2, an exchanger W1, the second compensation exchanger W2, the valve A3, the mistake It is filter pump H2, the valve A4, the filter C2, the valve A5, refined filtration pump H3, the valve A6, the strainer C4, described Exchanger W1, transmissometer W3, valve A8 connect to form cooling circuit by pipeline；The filtration system include the valve A1, It is the shield filter C1, the liquid feeding pump H1, the valve A2, an exchanger W1, the second compensation exchanger W2, described Valve A3, the filter pump H2, the valve A4, the filter C2, the valve A5, the refined filtration pump H3, the valve A6, the essence Filter C4, an exchanger W1, the transmissometer W3, liquid-feeding pump H7, valve A7, connect to form filtration circuit by pipeline； The A recycle stream cutting system includes that the filter C2, the valve B1, the circulating pump H4, the valve B2, the filtering type block Machine C3, valve B3 are cut, connects to form A recycle stream switchback road by pipeline；The B recycle stream cutting system include the strainer C4, Valve B9, the circulating pump H4, the valve B2, the filtering type interceptor C3, valve B8 connect to form B recycle stream and cut by pipeline Circuit.

Concrete operations: after preparatory process is ready, start the cooling recirculation system, the coolant circulating system and the system Cooling system Q1 starts the feed liquor system and is fully loaded with filter raw liquid and closes, starts the cooling system and the A recycle stream later When cutting system, the cooling system and the A recycle stream cutting system reach requirement, the A recycle stream cutting system and described is closed Cooling system starts the filtration system later.During the filtration system mode carries out, when the filter C2 pressure reaches clear When washing, starts the A recycle stream cutting system and carry out the attachment that stream cuts interception positive pressure in the filter C2, followed by the A Circulation cutting system is intercepted attachment filtering in the filtering type interceptor C3, and the filter pressure C2 meets filtering The A recycle stream cutting system is closed after it is required that；When the strainer C4 pressure reaches cleaning, starts the B recycle stream and cut and be System carries out stream and cuts the attachment for intercepting positive pressure in the strainer C4, by the B recycle stream cutting system the attachment mistake Filter is intercepted in the filtering type interceptor C3, and the strainer pressure C4, which meets, to close the B recycle stream after filtering requirement and cut System；On-line cleaning is realized, has ensured continuous filtering.

Embodiment 3. is cut through referring to a kind of stream of Fig. 3, the continuous filtering stream of one kind automation process for cutting attachment Filter equipment includes filtration system and circulation intercepting system；Wherein the filtration system includes valve A1, shield filter A2, valve A3, filtering A4, valve A5, filter A6, valve A7, liquid-feeding pump A8, valve A9 is pumped to connect by pipeline；The circulation intercepting system includes, valve B1, Circulating pump B2, valve B3, filtering type interceptor B4, valve B5 are connected by pipeline.

Concrete operations start the filtration system and are filtered, and when the filter A6 pressure rise reaches cleaning, open The circulation intercepting system is moved, the attachment on the filter plate is cut by the circulation intercepting system recycle stream, is brought into simultaneously It intercepts in the filtering type interceptor B4, the circulation intercepting system is closed after the pressure reduction, realizes continuous filtering The technique that stream cuts attachment.Filtration system stopping can also be carried out stream and cut the attachment.

Beneficial effect of the present invention improves work efficiency, reduces production cost, and the method for the present invention is scientific and reasonable, simple real With efficient.

Claims (1)

1. the automation process that a kind of continuous filtering stream cuts attachment, which is characterized in that the pressure of the filtering is set with low pressure Value and high-voltage value recycle intercepting system by the low voltage value and the chain opening and closing of the high-voltage value, and the pressure rise reaches institute Intercepting system is recycled described in chain promoter when stating high-voltage value, the attachment is cut by recycle stream and brings into and intercepts in the circulation In interceptor in intercepting system；When the pressure value reduction continuously filtered reaches the low voltage value, followed described in chain closing Ring intercepting system.