CN103233505B - Draining anti-backflow system for pharmaceutical factory clean area equipment - Google Patents

Draining anti-backflow system for pharmaceutical factory clean area equipment Download PDF

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Publication number
CN103233505B
CN103233505B CN201310145225.1A CN201310145225A CN103233505B CN 103233505 B CN103233505 B CN 103233505B CN 201310145225 A CN201310145225 A CN 201310145225A CN 103233505 B CN103233505 B CN 103233505B
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China
Prior art keywords
draining
discharge casing
valve
deflection plate
pharmaceutical factory
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CN103233505A (en
Inventor
杨洪周
韩永峰
燕超
刘俊东
关玉发
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Shinva Medical Instrument Co Ltd
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Shinva Medical Instrument Co Ltd
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Abstract

The invention relates to a draining anti-backflow system for pharmaceutical factory clean area equipment. The draining anti-backflow system is applicable to draining of equipment arranged in a pharmaceutical factory clean area and comprises a pharmaceutical factory workshop and a draining tank. An equipment draining pipeline of the pharmaceutical factory workshop is connected with the draining tank through a draining valve, the tail end of the draining tank is connected with the workshop draining pipeline, and the draining tank is further connected with a cooling water pipeline through a cooling water valve. A decompression valve is arranged on the draining tank, a data collection device is arranged in the draining tank and connected with a control system, and the control system controls the draining valve, the cooling water valve and the decompression valve respectively. The draining anti-backflow system is perfect in structure, has corresponding detection modes and processing modes for various appearing risks, and greatly reduces the risk of cross contamination caused by backflow in the draining process. The whole draining anti-backflow system can be automatically controlled, and influences of workshop pipeline pressure increasing on equipment draining and the environment of the clean area can be timely and effectively handled.

Description

Pharmaceutical factory clean area equipment draining reverse-filling system
Technical field
The present invention relates to a kind of pharmaceutical factory clean area equipment draining reverse-filling system, be applicable to the equipment draining that pharmaceutical factory clean area is installed.
Background technology
Pharmaceutical factory factory building is inner, especially biological pharmaceutical factory factory building purity requirements is very high, clean area has the connection of the drainage pipe of drainage requirement equipment and factory building gutter to need to accomplish effective partition, prevent the pressure occurred in gutter from recharging in clean area environment or equipment, pollute clean area environment or equipment pipe, thus the cross pollution produced.And the gutter of clean room is connected with multiple equipment, for preventing the equipment of the high temperature water of equipment exhausting to other from having an impact, the high temperature discharge of equipment is had to the requirement of cooling.
Summary of the invention
According to above requirement, the present invention needs to solve: provide a kind of pharmaceutical factory clean area equipment draining reverse-filling system, first be to guarantee equipment normal discharge, there is cooling function, and can effectively prevent the pressure in drainage pipe from recharging in equipment or factory building clean area.
Pharmaceutical factory clean area equipment draining reverse-filling system provided by the present invention, comprise pharmaceutical factory factory building, also comprise discharge casing, the equipment drainage pipe of pharmaceutical factory factory building connects discharge casing by draining valve, and discharge casing end connects factory building drainage pipe, and discharge casing also connects cooling water pipeline by cooling water valve, relief valve installed by discharge casing, the inner installation data harvester of discharge casing, data acquisition unit connection control system, control system controls draining valve, cooling water valve and relief valve respectively.
Be provided with deflection plate and lower deflection plate in described discharge casing, the upper end of upper deflection plate is fixed on discharge casing top, and gap is arranged at the lower end of upper deflection plate and the bottom of discharge casing; Lower deflection plate is arranged on deflection plate side, and its lower end is fixed on the bottom of discharge casing, and gap is arranged at its upper end and discharge casing top.
Data acquisition unit comprises temperature pick up, pressure sensor and liquid level sensor, and data acquisition unit is all connected with control system.Control system comprises treating apparatus and accessory circuit thereof, for the signal detected by collecting temperature sensor, pressure sensor and liquid level sensor, and control cut-offfing of draining valve, cooling water valve and relief valve according to presetting, automatically realize discharge cooling, prevent recharging function.
The outlet conduit of discharge casing connects factory building drainage pipe by pipeline tie point.Connection and the maintenance of pipeline is facilitated by arranging pipeline tie point.
Draining valve is installed on the drainage pipe of equipment, and cooling water valve is connected with cooling water pipeline, and relief valve leads directly to air.Upper deflection plate in discharge casing and lower deflection plate are for mixing high temperature discharge water and cooling water.And lower deflection plate root has slow round, guarantee that discharge casing can thoroughly discharge.
Operating principle:
The drainage pipe of discharge casing is connected with factory building gutter is airtight, guarantees to have an impact to installation environment.
Discharge casing relief valve pipeline leads directly to air, guarantees to have an impact to installation environment.
During equipment draining, temperature pick up detects temperature at discharging condensate at drainage pipe place, if exceed exhaust temperature limit value, control system then opens cooling water valve, for cooling down high-temperature discharge water.
In equipment drainage procedure, when liquid level sensor and pressure sensor to detect in discharge casing that liquid level exceeds standard or pressure exceeds standard, control system then first closes draining valve, prevent refluence from recharging, equipment draining stops, simultaneously, open relief valve, release manifold pressure, guarantees that pipeline tie point place can not produce because manifold pressure is large and leaks, thus pollute the environment generation of clean area.After waiting for that factory building drainage pipe internal pressure is normal, equipment restarts draining.
The beneficial effect that the present invention has is:
Native system structure improvement, has corresponding detection mode and processing mode to the various risks occurred, greatly reduces in drainage procedure the risk of recharging the cross pollution caused.Whole system can control automatically, can the impact that produces equipment draining and clean area environment for the treatment of plant's room pipe pressure increase timely and effectively.
Fig. 1 is structural representation of the present invention:
In figure: 1, draining valve; 2, discharge casing; 3, temperature pick up; 4, pressure sensor; 5, liquid level sensor; 6, relief valve; 7, cooling water valve; 8, upper deflection plate; 9, lower deflection plate; 10, pipeline tie point.
Below in conjunction with accompanying drawing, embodiments of the invention are described further:
Pharmaceutical factory clean area equipment draining reverse-filling system as shown in Figure 1, comprise pharmaceutical factory factory building, also comprise discharge casing 2, the equipment drainage pipe of pharmaceutical factory factory building connects discharge casing 2 by draining valve 1, and discharge casing 2 end connects factory building drainage pipe, and discharge casing 2 also connects cooling water pipeline by cooling water valve 7, relief valve installed by discharge casing, the inner installation data harvester of discharge casing, data acquisition unit connection control system, control system controls draining valve 1, cooling water valve 7 and relief valve 6 respectively.
Be provided with deflection plate 8 and lower deflection plate 9 in discharge casing 2, the upper end of upper deflection plate 8 is fixed on discharge casing top, and gap is arranged at the lower end of upper deflection plate 8 and the bottom of discharge casing 2; Lower deflection plate 9 is arranged on deflection plate 8 side, and its lower end is fixed on the bottom of discharge casing 2, and gap is arranged at its upper end and discharge casing 2 top, and the root of lower deflection plate 9 has slow round.
Data acquisition unit comprises temperature pick up, pressure sensor and liquid level sensor, and data acquisition unit is all connected with control system.
In the plant and equipment drainage procedure of pharmaceutical factory, water in equipment can enter discharge casing 2 by draining valve 1, temperature pick up 3 can detect temperature at discharging condensate automatically, when temperature exceedes discharge limit value, control system opens cooling water valve 7, cooling water and equipment exhausting water fully mix through the roundabout baffling of upper deflection plate 8 and lower deflection plate 9, are effectively reduced by temperature at discharging condensate.
In equipment drainage procedure, when liquid level sensor 5 to detect in discharge casing 2 that liquid level exceeds standard or pressure sensor 4 detects that discharge casing 2 pressure exceeds standard, control system closing device draining valve 1, prevents the water in factory building pipeline or gas from flowing back to pharmaceutical factory plant and equipment by discharge casing 2.Equipment draining opens relief valve 6 while stopping, and discharges factory building manifold pressure by discharge casing 2, guarantees that pipeline tie point 10 place can not produce because manifold pressure is large and leaks, thus pollute the environment generation of clean area.After waiting for that factory building drainage pipe internal pressure is normal, equipment restarts draining.

Claims (3)

1. a pharmaceutical factory clean area equipment draining reverse-filling system, comprise pharmaceutical factory factory building, it is characterized in that: comprise discharge casing (2), discharge casing (2) connects drainage pipe by draining valve (1), drainage pipe connects factory building drainage pipe, discharge casing (2) also connects cooling water pipeline by cooling water valve (7), relief valve installed by factory building drainage pipe, the inner installation data harvester of discharge casing, data acquisition unit connection control system, control system controls draining valve (1), cooling water valve (7) and relief valve (6) respectively; Deflection plate (8) and lower deflection plate (9) are installed in described discharge casing (2), the upper end of upper deflection plate (8) is fixed on discharge casing top, and gap is arranged at the lower end of upper deflection plate (8) and the bottom of discharge casing (2); Lower deflection plate (9) is arranged on deflection plate (8) side, its lower end is fixed on the bottom of discharge casing (2), gap is arranged at its upper end and discharge casing (2) top, and the root of lower deflection plate (9) has slow round.
2. pharmaceutical factory clean area equipment draining reverse-filling system according to claim 1, it is characterized in that, described data acquisition unit comprises temperature pick up, pressure sensor and liquid level sensor, and data acquisition unit is all connected with control system.
3. pharmaceutical factory clean area equipment draining reverse-filling system according to claim 1, is characterized in that, drainage pipe connects factory building drainage pipe by pipeline tie point.
CN201310145225.1A 2013-04-24 2013-04-24 Draining anti-backflow system for pharmaceutical factory clean area equipment Active CN103233505B (en)

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Application Number Priority Date Filing Date Title
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CN103233505B true CN103233505B (en) 2015-06-10

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105275062A (en) * 2014-07-01 2016-01-27 上海奥星制药技术装备有限公司 Air isolating pollution discharge device
CN107587586A (en) * 2017-10-30 2018-01-16 武汉圣禹排水系统有限公司 A kind of device and the flow control methods based on the device and anti-down irrigation method on pipeline
CN107653972A (en) * 2017-10-30 2018-02-02 武汉圣禹排水系统有限公司 A kind of device and the flow control methods based on the device and anti-down irrigation method on pipeline
CN110514448A (en) * 2019-09-25 2019-11-29 河南柴油机重工有限责任公司 The bench test device and its test method of diesel oil substitute machine reverse-filling overflow valve
CN111780397B (en) * 2020-08-21 2022-04-22 合肥丰蓝电器有限公司 Positive pressure seal cavity body drainage condensate water structure

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Publication number Priority date Publication date Assignee Title
GB2054130A (en) * 1979-07-25 1981-02-11 Sunsense Ltd Improvements in and relating to solar powered heating systems
US5718161A (en) * 1996-05-20 1998-02-17 Beadle; Leigh P. Beer brewing system and method
CN2535464Y (en) * 2002-04-17 2003-02-12 保维利 Clean-area anti-pollution floor drain
CN201704750U (en) * 2010-01-04 2011-01-12 齐汝伯 High clean dual-seal floor drain
CN102733472A (en) * 2011-04-13 2012-10-17 中国石油化工股份有限公司 Anti-pollution drain-off system for cleaning-sterilizing sewers in aseptic manufacturing processes and applications thereof
CN203200886U (en) * 2013-04-24 2013-09-18 山东新华医疗器械股份有限公司 Drainage backward-flowing prevention system for equipment in clean area of pharmaceutical factory

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