CN201053153Y

CN201053153Y - Non-uniform gas flow supplying ceiling for hospital clean operation department

Info

Publication number: CN201053153Y
Application number: CNU2007200519432U
Authority: CN
Inventors: 谷炳炎
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-25
Filing date: 2007-05-25
Publication date: 2008-04-30
Anticipated expiration: 2017-05-25

Abstract

The utility model relates to a non-constant-velocity air flow air supply ceiling for a hospital clean operation department, consisting of a purification air conditioning system, a static-pressure air supply box and an air supply ceiling panel, wherein, the purification air conditioning system comprises a purification air conditioning set, a silencer and a medium effective filter; the air supply ceiling panel consists of an even punching hole area and a circumferential high-speed wind gap zone; the even punching hole area is arranged on the central zone of the air supply ceiling panel; the circumferential high-speed wind gap zone is arranged on the circumference of the air supply ceiling panel and encloses the even punching hole area. Through different flow rates of air flow of the clean operation department, the utility model can improve cleanness level of the clean operation department, reduce air flow noise, reduce water content drain of patients during the process of operation, thereby reducing energy consumption of the clean operation department.

Description

A kind of hospital clean operation department variable speed air-flow air-supply smallpox

Technical field

The utility model relates to the hospital clean operation department air purification engineering, especially relates to a kind of hospital clean operation department variable speed air-flow air-supply smallpox.

Background technology

Existing hospital clean operation department air-supply smallpox is design considerations according to " hospital clean operation department construction technique standard " GB50333-2002, when actual design is used, existing air-flow air-supply smallpox is by air cleaning and conditioning system, static pressure wind pushing box and blast ceiling are formed, air cleaning and conditioning system comprises the purification air-conditioning unit, sound absorber and medium effeciency filter, the whole plate of blast ceiling wherein all is made up of uniform punch area, like this when pure air flows to Hospital Standard operation portion, the pure air air-flow velocity is more balanced single, the noise ratio of pure air air flow stream standard procedures in hospital portion is bigger, in the surgical work running, as when doing ophthalmologic operation, when the gas of operation portion the inside is discharged by return air inlet, it is many to take away airborne hydrone, will cause patient the otch phenomenon of losing water when operation, to occur like this, in addition, the equipment investment of air-supply smallpox that according to " hospital clean operation department construction technique standard " GB50333-2002 is design considerations is also bigger, the energy consumption height.

Summary of the invention

The purpose of this utility model then is the problem that exists at above-mentioned prior art, a kind of hospital clean operation department variable speed air-flow air-supply smallpox is proposed, by the utility model hospital clean operation department variable speed air-flow air-supply smallpox, can realize the clean operation department air-flow velocity speed that differs in size, the noise of air-flow is little, what operation portion hydrone ran off during operation lacks, and improves clean rank, cuts down the consumption of energy.

A kind of hospital clean operation department variable speed of the utility model air-flow air-supply smallpox, form by air cleaning and conditioning system, static pressure wind pushing box and blast ceiling, air cleaning and conditioning system comprises purification air-conditioning unit, sound absorber and medium effeciency filter, wherein blast ceiling is made up of even punch area and peripheral high speed tuyere zone, evenly punch area is positioned at the central area of blast ceiling, periphery high speed tuyere zone is positioned at four limits of blast ceiling, surrounds the zone of even punch area.

After the pure air from air cleaning and conditioning system enters static pressure wind pushing box buffering; variation by the blast ceiling structure changes air velocity; because blast ceiling is made up of even punch area and peripheral high speed tuyere zone; evenly punch area is positioned at the central area of blast ceiling; on four limits of the even punch area in center peripheral high speed tuyere zone is arranged; evenly punch area has a lot of airflow holes of uniform size; these airflow holes are smaller; be evenly distributed; periphery high speed tuyere zone is made up of the airflow hole more much bigger than the airflow hole of punch area; when pure air enters operation portion gas by punch area; because the airflow hole area of punch area is little; like this under the situation of the same gas pressure intensity in static pressure wind pushing box the inside; the flow that gas flows into operation portion is low; formed the central area low speed flow on operation portion operation table top; and when entering operation portion by peripheral high speed air port band for pure air; because the airflow hole area of peripheral high speed tuyere zone is big; like this with situation that the gas pressure of punch area equates under; the air-flow velocity of periphery high speed tuyere zone is big; gas flow is big; so just the position, both sides above operation table has formed peripheral high velocity air boundary belt; will to have formed the zone line flow little so flow to the gas of operation portion, all around the air-flow of the variable speed that flow is big.

Flow into the air-flow of operation portion by the even punch area of peripheral high speed tuyere zone and center, air-flow is strong and weak different, air-flow zone line flow is little, flow is big all around, more intense by the current rate that peripheral high speed tuyere zone flows to, more weak by the current rate that the even punch area in center flows to, so just form air curtain (air band) at operation table periphery variable speed air-flow, thereby improve the antijamming capability of central area, make it become the real way flow that reaches, thereby reach following ventilation state: strengthen local relief, keep stable, reduce eddy current, reduce being abound with than requiring.

According to " clean operation department hinders the airflow homogeneity research of the device that leaks out " (Bian Xun, the Ma Chunliang work) explanation of " medical engineering " total second phase, still satisfy clean rank of original operating room and total number of bacteria under the situation with the original design air flow minimizing 2/5ths of operating room, and can reduce patient and cause the otch dehydration because of wind speed is too high, the low speed flow that flows out for the even punch area in center directly faces toward operation table, wind speed is lower, the otch little moisture loss of patient's operation, the pneumatic noise of the portion of operation simultaneously reduces.

The advantage of a kind of hospital clean operation department variable speed of the utility model air-flow air-supply smallpox is, can realize that clean operation department air-flow velocity size has the skewness weighing apparatus, the noise of air-flow is little, and what operation portion hydrone ran off during operation lacks, improve clean rank, cut down the consumption of energy.

Description of drawings

Fig. 1 is the structural representation of the utility model blast ceiling.

Fig. 2 is the utility model hospital clean operation department variable speed air-supply smallpox operating principle schematic diagram.

The specific embodiment

In conjunction with the embodiments the utility model is further described below in conjunction with accompanying drawing:

With reference to Fig. 1, shown in Figure 2, a kind of hospital clean operation department variable speed of the utility model air-flow air-supply smallpox, form by air cleaning and conditioning system, static pressure wind pushing box 20 and blast ceiling 1, air cleaning and conditioning system comprises purification air-conditioning unit 10, sound absorber 11 and medium effeciency filter 5, wherein blast ceiling 1 is made up of even punch area 2 and peripheral high speed tuyere zone 3, evenly punch area 2 is positioned at the central area of blast ceiling 1, periphery high speed tuyere zone 3 is positioned at four limits of blast ceiling 1, surrounds the zone of even punch area 2.

When electric control valve 13 is opened; new wind enters air cleaning and conditioning system; after entering static pressure wind pushing box 20 bufferings from the pure air of air cleaning and conditioning system; variation by blast ceiling 1 structure changes air velocity; because blast ceiling 1 is made up of even punch area 2 and peripheral high speed tuyere zone 3; evenly punch area 2 is positioned at the central area of blast ceiling 1; there is peripheral high speed tuyere zone 3 on four limits at even punch area 2; evenly punch area 2 has a lot of airflow holes of uniform size; these airflow holes are smaller; be evenly distributed; periphery high speed tuyere zone 3 is made up of the airflow hole more much bigger than the airflow hole of even punch area 2; when pure air enters operation portion gas by even punch area 2; because evenly the airflow hole area of punch area 2 is little; like this under the situation of the same gas pressure intensity in static pressure wind pushing box 20 the insides; the flow that gas flows into operation portion is low; formed central area low speed flow 6 on operation portion operation table 8 tops; and when entering operation portion by peripheral high speed tuyere zone 3 for pure air; because the airflow hole area of peripheral high speed tuyere zone 3 is big; like this with situation that the gas pressure of punch area equates under; the air-flow velocity of periphery high speed tuyere zone 3 is big; gas flow is big; so just the position, both sides above operation table 8 has formed peripheral high velocity air boundary belt 7; will to have formed the zone line flow little so flow to the gas of operation portion, all around the air-flow of the variable speed that flow is big.

Flow into the air-flow of operation portion by the even punch area 2 of peripheral high speed tuyere zone 3 and center, air-flow is strong and weak different, air-flow zone line flow is little, flow is big all around, more intense by the current rate that peripheral high speed tuyere zone 3 flows to, more weak by the current rate that the even punch area 2 in center flows to, so just form the variable speed air-flow and form air curtain (air band) at operation table 8 peripheries, thereby improve the antijamming capability of central area, make it become the real way flow that reaches, thereby reach following ventilation state: strengthen local relief, keep stable, reduce eddy current, reduce being abound with than requiring.

According to " clean operation department hinders the airflow homogeneity research of the device that leaks out " (Bian Xun, the Ma Chunliang work) explanation of " medical engineering " total second phase, still satisfy clean rank of original operating room and total number of bacteria under the situation with the original design air flow minimizing 2/5ths of operating room, and can reduce patient and cause the otch dehydration because of wind speed is too high, the low speed flow 6 that flows out for the even punch area 2 in center directly faces toward operation table 8, wind speed is lower, the otch little moisture loss of patient's operation, the pneumatic noise of the portion of operation simultaneously reduces.

At hospital clean operation department, the gas that flows to is finally discharged by return air inlet 9, and the gas part of discharge enters air cleaning and conditioning system once more by sound absorber 11 and utilizes, and another part is discharged outdoor by exhaust blower 12 by sound absorber 11 again.

By the utility model hospital clean operation department variable speed air-flow air-blow ceiling, can reach actively useful Effect have: can realize that clean operation department air-flow velocity size has skewness weighing apparatus, the noise of air-flow is little, What the Surgery hydrone ran off during operation lacks, and improves clean rank, cuts down the consumption of energy.

Claims

1. hospital clean operation department variable speed air-flow air-supply smallpox, form by air cleaning and conditioning system, static pressure wind pushing box and blast ceiling, air cleaning and conditioning system comprises purification air-conditioning unit, sound absorber and medium effeciency filter, it is characterized in that blast ceiling is made up of even punch area and peripheral high speed tuyere zone, evenly punch area is positioned at the central area of blast ceiling, periphery high speed tuyere zone is positioned at four limits of blast ceiling, surrounds the zone of even punch area.