CN219829024U - Toilet exhaust system mounting structure - Google Patents

Abstract

The utility model discloses a clean room exhaust system mounting structure which comprises a clean room wall surface, wherein a clean area is arranged on one side of the clean room wall surface, a ceiling main body is arranged at the top end of one side of the clean room wall surface, an exhaust cavity is arranged above the ceiling main body, an exhaust pipe is arranged in the exhaust cavity, an exhaust outlet is arranged at the bottom end of the exhaust pipe, a medium-efficiency filter is arranged in the exhaust outlet, a fireproof valve is arranged in the exhaust pipe, and a centrifugal exhaust fan is arranged on one side of the exhaust pipe. This toilet exhaust system mounting structure can improve the holistic air exhaust effect of system through centrifugal exhaust fan, and non-purification area fan coil supply-air outlet adopts square diffuser, and the return air inlet adopts individual layer tripe, and the air exit adopts individual layer tripe, and toilet ventilation number of times is not less than 12/time, and this structure has improved the efficiency of taking a breath of system, has solved the problem that the number of times of taking a breath is few inefficiency.

Description

Toilet exhaust system mounting structure

Technical Field

The utility model relates to the technical field of clean room exhaust systems, in particular to a clean room exhaust system installation structure.

Background

The operating room of the hospital is mainly a clean room structure, the clean room is also called a dust-free room or a clean room, which is used for removing pollutants such as particles, harmful air, bacteria and the like in the air within a certain space range, controlling the indoor temperature, cleanliness and indoor pressure within a certain range, and keeping the indoor air of the clean room fresh, so that a complete exhaust system is needed, and the defect in the prior art is that the exhaust structure is complex and more pipelines are needed to be installed.

Through searching, according to a clean room exhaust system disclosed in application number CN201822040550.2, a benzene and formaldehyde concentration controller is arranged in a clean room, and an air variable venturi valve connected with the benzene and formaldehyde concentration controller is arranged on an exhaust pipe; the benzene and formaldehyde concentration controller is used for sending the control signal of the exhaust volume of the increase exhaust pipe to the variable air volume venturi valve when the benzene or formaldehyde concentration in the clean room exceeds the set value, has the effect that can effectively avoid the benzene or formaldehyde concentration in the clean room to be too high, the exhaust system designed in the scheme mainly effectively avoids the condition that the harmful molecule concentration in the clean room is too high to happen through controlling the air volume, but when in actual use, the exhaust system can have the problem of low exhaust efficiency and less ventilation times, aiming at the problem, the integral structure is deeply researched and optimized, and the ventilation times and the exhaust efficiency can be improved by installing the centrifugal exhaust fan and the single-layer louver in the exhaust system.

Disclosure of Invention

The utility model aims to provide a clean room exhaust system installation structure, which solves the problems of less ventilation times and low efficiency in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a toilet exhaust system mounting structure, includes the toilet wall, one side of toilet wall is provided with the clean district, the top of toilet wall one side is provided with the ceiling main part, the top of ceiling main part is provided with the chamber of airing exhaust, the inside in chamber of airing exhaust is provided with the exhaust pipe, the bottom of exhaust pipe is provided with the air exit, the internally mounted of air exit has the medium efficiency filter, the internally mounted of exhaust pipe has the fire damper, one side of exhaust pipe is provided with centrifugal exhaust fan, soft takeover is installed to one side of centrifugal exhaust fan, the second connecting pipe is installed to one side of soft takeover, one side fixedly connected with rain-proof tripe of second connecting pipe, the inside of second connecting pipe is provided with the check valve.

Preferably, the top fixedly connected with installation buckle of centrifugal exhaust fan, the top lock joint of installation buckle is in the inside of chamber of airing exhaust.

Preferably, the input end of the centrifugal exhaust fan is movably hinged with a hinge joint, and a first connecting pipe is fixedly arranged outside the hinge joint.

Preferably, one side of the rainproof shutter is provided with the inner part of the wall surface of the clean room, and the rainproof shutter adopts a single-layer shutter.

Preferably, the two sides of the soft connecting pipe are fixedly connected with mounting flanges, and the inside of each mounting flange is movably connected with mounting bolts.

Preferably, the medium-efficiency filter adopts an F8 grade filter, and the fire valve adopts a 70 ℃ interlocking closing mode.

Compared with the prior art, the utility model has the beneficial effects that: the installation structure of the clean room exhaust system not only realizes high ventilation efficiency and good filtering effect, but also realizes flexible installation and rain prevention;

the centrifugal exhaust fan arranged at one side of the exhaust pipe can improve the overall exhaust effect of the system, the air supply opening of the fan coil in the non-purification area adopts a square diffuser, the air return opening adopts a single-layer shutter, the air outlet adopts a single-layer shutter, and the ventilation times of a toilet are not less than 12 times/hour;

the medium-efficiency filter and the air outlet are arranged in the air outlet, the medium-efficiency filter is arranged in the air outlet, the F8-level medium-efficiency filter is arranged in the air return port in the positive pressure operating room, the F8-level medium-efficiency filter is arranged in the air outlet, the F5-level medium-efficiency filters are arranged in the air return port and the air outlet in the other purifying areas, the pressure difference of the clean room controls the clean area to keep relative positive pressure to the outside, and the medium-efficiency filter improves the filtering effect of the air exhaust system;

through being provided with rain-proof tripe, check valve, soft takeover and second connecting pipe, the rain-proof tripe adopts the individual layer tripe design, and rain-proof tripe and check valve cooperation use can avoid the external rainwater backward flow of device to the exhaust pipe inside, and the inside soft takeover of exhaust system makes things convenient for its extension and compression, has improved the flexibility of installation.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic front view of a first connecting tube according to the present utility model;

FIG. 3 is a schematic diagram of the front view of the flexible connection pipe of the present utility model;

fig. 4 is a schematic diagram of the front view of the rain-proof shutter of the present utility model.

In the figure: 1. wall surfaces of clean rooms; 2. a ceiling main body; 3. rain-proof shutter; 4. a check valve; 5. a soft connecting pipe; 6. centrifugal exhaust fan; 7. installing a buckle; 8. an exhaust cavity; 9. an exhaust pipe; 10. a fire protection valve; 11. a medium-efficiency filter; 12. an air outlet; 13. a clean zone; 14. a hinge joint; 15. a first connection pipe; 16. a mounting flange; 17. installing a bolt; 18. and a second connection pipe.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, a clean room exhaust system installation structure comprises a clean room wall surface 1, a clean area 13 is arranged on one side of the clean room wall surface 1, a ceiling main body 2 is arranged at the top end of one side of the clean room wall surface 1, an exhaust cavity 8 is arranged above the ceiling main body 2, an exhaust pipe 9 is arranged in the exhaust cavity 8, an exhaust port 12 is arranged at the bottom end of the exhaust pipe 9, a middle-effect filter 11 is arranged in the exhaust port 12, a fireproof valve 10 is arranged in the exhaust pipe 9, a centrifugal exhaust fan 6 is arranged on one side of the exhaust pipe 9, a soft connection pipe 5 is arranged on one side of the centrifugal exhaust fan 6, a second connection pipe 18 is arranged on one side of the soft connection pipe 5, a rainproof shutter 3 is fixedly connected on one side of the second connection pipe 18, and a check valve 4 is arranged in the second connection pipe 18;

the top end of the centrifugal exhaust fan 6 is fixedly connected with a mounting buckle 7, and the top end of the mounting buckle 7 is buckled in the exhaust cavity 8;

specifically, as shown in fig. 1 and 2, the air outlet 12 at the bottom of the air outlet pipe 9 is placed on the upper side of the head of the patient, the centrifugal air outlet 6 installed on one side of the air outlet pipe 9 can improve the overall air outlet effect of the system, the air supply outlet of the fan coil pipe in the non-purifying area adopts a square diffuser, the air return inlet adopts a single-layer shutter, and the air outlet 12 adopts a single-layer shutter.

Example 2: the input end of the centrifugal exhaust fan 6 is movably hinged with a hinge joint 14, a first connecting pipe 15 is fixedly arranged outside the hinge joint 14, the intermediate filter 11 adopts an F8-level filter, and the fireproof valve 10 is closed by adopting 70 ℃ interlocking;

specifically, as shown in fig. 1 and 3, the air outlet is provided with an F8-level middle-effect filter 11, the air return openings and the air outlet 12 in the rest of the purifying areas are all provided with an F5-level middle-effect filter 11, the pressure difference of the clean room controls the clean area 13 to keep a relative positive pressure to the outside, and the middle-effect filter 11 improves the filtering effect of the air exhaust system.

Example 3: one side of the rainproof shutter 3 is provided with the interior of the clean room wall surface 1, the rainproof shutter 3 adopts a single-layer shutter, the two sides of the soft connecting pipe 5 are fixedly connected with mounting flanges 16, and the interior of the mounting flanges 16 is movably connected with mounting bolts 17;

specifically, as shown in fig. 1 and 4, the rainproof shutter 3 adopts a single-layer shutter design, and the rainproof shutter 3 and the check valve 4 are matched for use, so that rainwater outside the device can be prevented from flowing back into the exhaust pipe 9, and the soft connecting pipe 5 in the exhaust system is convenient for the expansion and compression of the soft connecting pipe.

Working principle: when the utility model is used, the air outlet 12 is arranged above a clean area in operation, the position of the air outlet 12 is distributed at the top of the head side of a patient, the centrifugal air exhauster 6 arranged at one side of the air exhaust pipe 9 can improve the whole air exhaust effect of the system, the air supply opening of the fan coil pipe in a non-purification area adopts a square air diffuser, the air return opening adopts a single-layer shutter, the air outlet 12 adopts a single-layer shutter, the ventilation times of a toilet is not lower than 12 times/time, the medium-efficiency filter 11 arranged in the air outlet 12, the medium-efficiency filter 11 of the F8 level is arranged at the air return opening in a positive pressure operation room, and the medium-efficiency filter 11 of the F8 level is arranged at the air outlet 12; the air return opening and the air outlet 12 in the other purification areas are provided with F5-level middle-effect filters 11, the pressure difference of the clean room controls the clean area 13 to keep relative positive pressure to the outside, the rain-proof louver 3 and the check valve 4 are matched for use, so that the outside rainwater of the device can be prevented from flowing back into the air outlet pipe 9, the soft connecting pipe 5 in the air outlet system is convenient for extension and compression, and the flexibility of installation is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a toilet exhaust system mounting structure, includes toilet wall (1), its characterized in that: clean district (13) are provided with on one side of toilet wall (1), the top of toilet wall (1) one side is provided with ceiling main part (2), the top of ceiling main part (2) is provided with chamber of airing exhaust (8), the inside of chamber of airing exhaust (8) is provided with exhaust pipe (9), the bottom of exhaust pipe (9) is provided with air exit (12), the internally mounted of air exit (12) has middle effect filter (11), the internally mounted of exhaust pipe (9) has fire prevention valve (10), one side of exhaust pipe (9) is provided with centrifugal exhaust fan (6), hose (5) are installed to one side of centrifugal exhaust fan (6), second connecting pipe (18) are installed to one side of hose (5), one side fixedly connected with rain-proof tripe (3) of second connecting pipe (18), the inside of second connecting pipe (18) is provided with check valve (4).

2. The clean room exhaust system mounting structure of claim 1, wherein: the top fixedly connected with installation buckle (7) of centrifugal exhaust fan (6), the top lock joint of installation buckle (7) is in the inside of chamber of airing exhaust (8).

3. The clean room exhaust system mounting structure of claim 1, wherein: the input end of the centrifugal exhaust fan (6) is movably hinged with a hinge joint (14), and a first connecting pipe (15) is fixedly arranged outside the hinge joint (14).

4. The clean room exhaust system mounting structure of claim 1, wherein: one side of the rainproof shutter (3) is provided with the inside of the clean room wall surface (1), and the rainproof shutter (3) adopts a single-layer shutter.

5. The clean room exhaust system mounting structure of claim 1, wherein: the two sides of the soft connecting pipe (5) are fixedly connected with mounting flanges (16), and the inside of each mounting flange (16) is movably connected with mounting bolts (17).

6. The clean room exhaust system mounting structure of claim 1, wherein: the intermediate filter (11) adopts an F8 grade filter, and the fire valve (10) adopts 70 ℃ interlocking closing.