CN216064770U

CN216064770U - Laboratory ventilation system

Info

Publication number: CN216064770U
Application number: CN202121654328.7U
Authority: CN
Inventors: 黄鹤; 何勇
Original assignee: Beijing Zhongbaoyuan Technology Development Co ltd
Current assignee: Beijing Zhongbaoyuan Technology Development Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-03-18
Anticipated expiration: 2031-07-20

Abstract

The utility model relates to a laboratory ventilation technical field's a laboratory ventilation system, it is responsible for including installing the ventilation in the laboratory, it breathes in the subassembly to be connected with a plurality of on the ventilation person in charge, the one end that the ventilation was responsible for seals the setting and the other end is worn out outside the laboratory and is extended to the roof, a exhaust-gas treatment tower has been installed on the roof, be provided with a ventilator between exhaust-gas treatment tower and the ventilation person in charge, the air intake of ventilator passes through the hose and is responsible for with the ventilation and be connected, the air outlet of ventilator passes through the hose and is connected with the exhaust-gas treatment tower, the bottom of ventilator is fixed with the first mounting panel that a level was arranged, it is fixed with the second mounting panel that a level was arranged to correspond first mounting panel department on the roof, be fixed with the supporting spring of a plurality of vertical arrangements between first mounting panel and the second mounting panel, a plurality of supporting spring arrange along the border interval of first mounting panel. This application has the job stabilization nature that improves ventilation system and life's effect.

Description

Laboratory ventilation system

Technical Field

The application relates to the technical field of laboratory ventilation, in particular to a laboratory ventilation system.

Background

In the operation of laboratories such as chemical laboratories, clean laboratories and the like, chemicals are often used, but some chemicals have volatility and toxicity, so that the environment in the laboratories is relatively severe, and if relevant protective measures are not taken, the health of operators can be affected after the chemicals are inhaled into human bodies; a ventilation system is provided in the laboratory for discharging toxic and harmful gases in the laboratory to the outside.

Current laboratory ventilation system is including installing the ventilation person in the laboratory, the ventilation person in charge is last to be connected with a plurality of ventilation and manages, a plurality of ventilation is managed and is managed respectively with the fume chamber in the laboratory, ventilation equipment such as the cabinet of drawing materials is connected, the one end that the ventilation was responsible for seals the setting and the other end is worn out outside the laboratory and is extended to the roof, and the ventilation person in charge extends to the one end on roof and is connected with a exhaust-gas treatment tower, the ventilation person in charge is last to be close to exhaust-gas treatment tower department and installs a blast fan and be used for managing the poisonous and harmful gas of ventilation equipment department through the ventilation and manage and the ventilation person in charge carries the exhaust-gas treatment tower, exhaust-gas treatment tower and exhaust fan are fixed on the roof, poisonous and harmful gas discharges to the external world after the exhaust-gas treatment tower purifies.

The exhaust fan can produce vibrations at the during operation, not only can produce the noise, but also easily causes the damage of exhaust fan, consequently can add between exhaust fan and ground and establish a rubber shock pad, but the rubber shock pad shines very easily through long time wind-blowing sun and takes place the damage to reach due shock attenuation effect, increased ventilation system's fault rate, thereby influence ventilation system's job stabilization nature and life.

SUMMERY OF THE UTILITY MODEL

In order to improve the operating stability and the life of ventilation system, this application provides a laboratory ventilation system.

The application provides a laboratory ventilation system adopts following technical scheme:

the utility model provides a laboratory ventilation system, be responsible for including installing the ventilation in the laboratory, the ventilation is responsible for and is connected with a plurality of subassembly of breathing in, the one end that the ventilation was responsible for seals the setting and the other end is worn out outside the laboratory and is extended to the roof, a exhaust-gas treatment tower has been installed on the roof, be provided with a row of fan between exhaust-gas treatment tower and the ventilation is responsible for, the air intake of exhaust-gas fan passes through the hose and is connected with the ventilation is responsible for, the air outlet of exhaust-gas treatment tower passes through the hose and is connected with the exhaust-gas treatment tower, the bottom of exhaust-gas treatment machine is fixed with the first mounting panel that a level was arranged, it is fixed with the second mounting panel that a level was arranged to correspond first mounting panel department on the roof, be fixed with a plurality of vertical arrangement's supporting spring between first mounting panel and the second mounting panel, a plurality of supporting spring are along the border interval arrangement of first mounting panel.

Through adopting above-mentioned technical scheme, when ventilation system work exhaust fan produced vibrations, supporting spring between first mounting panel and the second mounting panel will play the absorbing effect of buffering to the exhaust fan, and first mounting panel to supporting spring shelter from and supporting spring's vertical layout, use rubber shock pad has been reduced, and rubber shock pad blows the possibility of shining the emergence damage through the long time wind, thereby keep the shock attenuation effect excellent to the exhaust fan, ventilation system's fault rate has been reduced, ventilation system's job stabilization nature and life have been improved.

Optionally, a vertical column is respectively installed at four corners of the second mounting plate close to the second mounting plate on one side of the second mounting plate facing the first mounting plate, a through hole for the corresponding column to pass through is respectively formed in the first mounting plate corresponding to each column, and the cross-sectional size of the through hole is larger than that of the column.

Through adopting above-mentioned technical scheme, stand top and through-hole spacing each other make first mounting panel and damping spring top keep at certain swing range, reduced damping spring top swing range too big and take place the possibility of bending, improved damping spring's protection.

Optionally, a slot for inserting and clamping the bottom end of the corresponding upright column is respectively formed in the second mounting plate at a position corresponding to each upright column and on one side of the second mounting plate facing the first mounting plate.

Through adopting above-mentioned technical scheme, the mutual card of stand bottom and slot is established, makes the staff change and dismantles the stand from the second mounting panel, improves the maintenance efficiency to the stand.

Optionally, each through-hole is internally provided with a plurality of auxiliary springs, one ends of the auxiliary springs are fixed to the side wall of the through-hole, the other ends of the auxiliary springs are arranged towards the upright post, and the auxiliary springs are uniformly distributed along the circumferential direction of the through-hole.

Through adopting above-mentioned technical scheme, the direct contact of through-hole lateral wall with the body of rod has been avoided in auxiliary spring's arrangement, and further buffering cushioning effect to first mounting panel and exhaust fan has been played.

Optionally, the stand includes the body of rod of inserting and establishing in the slot and insert and establish in the body of rod and be connected with the body of rod that slides, and the body of rod top is inserted and is established in the through-hole, the first mounting panel upper surface corresponds every through-hole department and respectively is provided with a locating part and is used for sheltering from through-hole open-top, be provided with an elastic component in the body and be used for making the body of rod top keep with the state of locating part butt.

Through adopting above-mentioned technical scheme, the locating part makes the body of rod top insert all the time and establishes in the through-hole to sheltering from on the body of rod top and the elastic support of elastic component to the body of rod, and has avoided the body of rod top to make progress and bulge in first mounting panel top to avoid the collision that body of rod top and exhaust fan probably take place, improved the protection to the exhaust fan.

Optionally, the body bottom is arranged for sealing, the elastic component is a compression spring arranged in the body, and the two ends of the compression spring are respectively abutted against one side of the body inner bottom and one side of the rod body facing the second mounting plate.

Through adopting above-mentioned technical scheme, compression spring's elastic action is stable, makes the body of rod top remain the state with the mutual butt of locating part all the time, and then makes the body of rod and through-hole remain the state of establishing of mutual card all the time.

Optionally, the locating part is a cover plate, the cover plate is covered in the through hole on the upper surface of the first mounting plate, one side of the cover plate departing from the first mounting plate is provided with a plurality of fixing bolts, and the end parts of the fixing bolts penetrate through the cover plate and are screwed on the first mounting plate.

Through adopting above-mentioned technical scheme, fixing bolt can dismantle apron and first mounting panel and be connected, makes the staff's convenience maintain the body of rod and body.

Optionally, an elastic sealing gasket is clamped between the cover plate and the first mounting plate.

Through adopting above-mentioned technical scheme, the arrangement of elastic sealing pad has reduced the possibility that produces the gap between apron and the first mounting panel to reduce the rainwater and flowed down the possibility in through-hole department and the body along the through-hole, improved the protection to each part below the first mounting panel.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the working stability and the service life of the ventilation system are improved, the supporting spring between the first mounting plate and the second mounting plate can play a role in buffering and damping the exhaust fan, the first mounting plate shields the supporting spring and the supporting spring is vertically arranged, the possibility that the rubber shock pad is used and is damaged after being blown by wind and sun for a long time is reduced, the excellent shock absorption effect on the exhaust fan is kept, and the failure rate of the ventilation system is reduced;

2. the protection to damping spring is improved, and through the mutual spacing of stand top and through-hole, make first mounting panel and damping spring top keep at certain swing range, reduced damping spring top swing range too big and take place the possibility of bending.

Drawings

FIG. 1 is a schematic view of the overall structure of a laboratory ventilation system according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic structural view of an auxiliary limit assembly;

fig. 4 is an enlarged schematic view of a portion B in fig. 3.

Description of reference numerals: 1. a ventilation main pipe; 2. a getter assembly; 21. ventilating branch pipes; 22. a ventilation device; 23. a muffler; 3. a waste gas treatment tower; 4. an exhaust fan; 5. a hose; 6. a damping device; 61. a first mounting plate; 611. a through hole; 62. a second mounting plate; 621. a slot; 63. a support spring; 64. a sleeve; 7. an auxiliary limit component; 71. a column; 711. a pipe body; 712. a rod body; 72. a cover plate; 73. fixing the bolt; 74. a compression spring; 75. an auxiliary spring; 76. an elastic gasket.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses laboratory ventilation system. Referring to fig. 1, laboratory ventilation system is responsible for 1 including the ventilation of hoist and mount in the laboratory, the ventilation is responsible for and is connected with a plurality of subassembly 2 of breathing in on 1, the one end of the main pipe of ventilating 1 seals the setting and the other end is worn out to the laboratory and is extended to the roof, a exhaust-gas treatment tower 3 has been installed on the roof, exhaust-gas treatment tower 3 and ventilation are responsible for and are provided with exhaust fan 4 between 1, exhaust fan 4's air intake passes through hose 5 and is responsible for 1 with the ventilation and be connected, exhaust fan 4's air outlet passes through hose 5 and is connected with exhaust-gas treatment tower 3, be provided with a damping device 6 between exhaust fan 4's bottom and the roof.

Referring to fig. 1, the air suction assembly 2 comprises a ventilation branch pipe 21 connected to the ventilation main pipe 1, the other end of the ventilation branch pipe 21 extends towards the ground direction in the laboratory and is connected with a ventilation device 22, and the ventilation device 22 is a ventilation cabinet, a material taking cabinet, a universal exhaust hood and other devices; when the ventilation equipment 22 is used for experiments, experimenters start the exhaust fan 4 and the waste gas treatment tower 3, the exhaust fan 4 can convey toxic and harmful gas at the ventilation equipment 22 to the waste gas treatment tower 3 through the ventilation branch pipe 21 and the ventilation main pipe 1, and the toxic and harmful gas is purified by the waste gas treatment tower 3 and then is discharged to the outside; in addition, a silencer 23 is connected to the main ventilation pipe 1 on the side of the exhaust fan 4 away from the exhaust gas treatment tower 3 to reduce the sound generated when the wind flows in the main ventilation pipe 1.

Referring to fig. 2, the damping device 6 includes a rectangular first mounting plate 61 fixed at the bottom of the exhaust fan 4, the first mounting plate 61 is horizontally disposed, a second mounting plate 62 is fixed on the roof of the laboratory corresponding to the first mounting plate 61, the second mounting plate 62 is rectangular plate-shaped, two supporting springs 63 are respectively disposed at the positions, close to each edge, of the opposite side walls of the first mounting plate 61 and the second mounting plate 62, the two supporting springs 63 are arranged at intervals close to each edge of the first mounting plate 61 and the second mounting plate 62, and two ends of the supporting springs 63 are respectively fixed with the first mounting plate 61 and the second mounting plate 62.

When the exhaust fan 4 vibrates during working, the supporting spring 63 between the first mounting plate 61 and the second mounting plate 62 can play a role in buffering and damping the exhaust fan 4, the elastic action of the supporting spring 63 is stable, so that the possibility that the rubber damping cushion is damaged due to long-time wind blowing and sun exposure is reduced, the damping effect on the exhaust fan 4 is kept stable, the failure rate of a ventilation system is reduced, and the working stability and the service life of the ventilation system are improved; in addition, a circular tube-shaped sleeve 64 is sleeved at each of the two ends of each supporting spring 63, one end, away from the center of the supporting spring 63, of the sleeve 64 is fixed to the first mounting plate 61 or the second mounting plate 62, and the supporting spring 63 is connected with the first mounting plate 61 or the second mounting plate 62 more stably under the limit of the sleeve 64.

Referring to fig. 3 and 4, an auxiliary limiting assembly 7 is further disposed at each of four corners of the second mounting plate 62 on a side facing the first mounting plate 61, the auxiliary limiting assembly 7 includes a vertical column 71, the vertical column 71 includes a tube 711 with a vertically arranged circular cross section and a rod 712 inserted in the tube 711 and slidably connected with the tube 711, a bottom end of the tube 711 is sealed, a slot 621 into which the bottom end of the tube 711 is inserted is disposed at a side of the second mounting plate 62 facing the first mounting plate 61 corresponding to the bottom end of the tube 711, a through hole 611 is disposed on the first mounting plate 61 corresponding to a top end of the rod 712, a cross-sectional dimension of the through hole 611 is greater than a cross-sectional dimension of the rod 712, a cover plate 72 is disposed on the first mounting plate 61 corresponding to the through hole 611, four fixing bolts 73 are disposed on a side of the cover plate 72 away from the first mounting plate 61, and ends of the fixing bolts 73 penetrate through the cover plate 72 and are screwed on the first mounting plate 61.

Four auxiliary springs 75 are respectively arranged in each through hole 611, the auxiliary springs 75 are horizontally arranged, the length direction of each auxiliary spring is perpendicular to the axis of each through hole 611, the four auxiliary springs 75 are uniformly distributed around the axis of each through hole 611, one end of each auxiliary spring 75 is fixed with the side wall of each through hole 611, and the other end of each auxiliary spring 75 abuts against the peripheral surface of the rod body 712; a compression spring 74 is arranged in the tube 711, two ends of the compression spring 74 are respectively abutted with the inner bottom of the tube 711 and one side of the rod 712 facing the second mounting plate 62, and under the elastic action of the compression spring 74, the top end of the rod 712 is always in an abutted state with the lower surface of the cover plate 72; in addition, an elastic sealing gasket 76 is further interposed between the cover plate 72 and the first mounting plate 61 to reduce rainwater from flowing down the through hole 611 to the through hole 611 and the auxiliary spring 75 and the compression spring 74 in the tube body 711, thereby reducing erosion of the auxiliary spring 75 and the compression spring 74 by rainwater and improving protection of the auxiliary spring 75 and the compression spring 74.

When exhaust fan 4 work makes damping spring take place compression or swing, the mutual limiting displacement of body of rod 712 top and through-hole 611 has avoided excessive rocking of the first mounting panel 61 in damping spring top department to reduced the too big possibility of taking place to bend of damping spring top swing amplitude, and auxiliary spring 75 between through-hole 611 lateral wall and the body of rod 712 lateral wall, also further played the buffering cushioning effect to first mounting panel 61, and then played the buffering shock attenuation to exhaust fan 4.

The implementation principle of the laboratory ventilation system in the embodiment of the application is as follows: when the exhaust fan 4 vibrates during operation, the supporting spring 63 between the first mounting plate 61 and the second mounting plate 62 and the auxiliary spring 75 between the sidewall of the through hole 611 and the sidewall of the rod 712 can buffer and absorb shock for the exhaust fan 4, thereby reducing the possibility of damage of the exhaust fan 4, reducing the failure rate of the ventilation system, and improving the working stability and the service life of the ventilation system.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A laboratory ventilation system, characterized by: comprises a ventilation main pipe (1) arranged in a laboratory, wherein the ventilation main pipe (1) is connected with a plurality of air suction components (2), one end of the ventilation main pipe (1) is sealed and arranged, the other end of the ventilation main pipe penetrates out of the laboratory and extends to the roof, a waste gas treatment tower (3) is arranged on the roof, a ventilator (4) is arranged between the waste gas treatment tower (3) and the ventilation main pipe (1), an air inlet of the ventilator (4) is connected with the ventilation main pipe (1) through a hose (5), an air outlet of the ventilator (4) is connected with the waste gas treatment tower (3) through a hose (5), a first mounting plate (61) which is horizontally arranged is fixed at the bottom of the ventilator (4), a second mounting plate (62) which is horizontally arranged is fixed on the roof corresponding to the first mounting plate (61), and a plurality of vertically arranged supporting springs (63) are fixed between the first mounting plate (61) and the second mounting plate (62), a plurality of support springs (63) are spaced along the edge of the first mounting plate (61).

2. A laboratory ventilation system according to claim 1, wherein: the utility model discloses a vertical column (71) that has installed respectively at four extreme angle departments that second mounting panel (62) are close to second mounting panel (62) towards one side of first mounting panel (61), correspond on first mounting panel (61) every stand (71) department and respectively offer a through-hole (611) that supply to correspond stand (71) and pass, the cross sectional dimension of through-hole (611) is greater than the cross sectional dimension of stand (71).

3. A laboratory ventilation system according to claim 2, wherein: one side of the second mounting plate (62) facing the first mounting plate (61) corresponds to each upright post (71) and is provided with a slot (621) for inserting and clamping the bottom end of the corresponding upright post (71).

4. A laboratory ventilation system according to claim 2, wherein: a plurality of auxiliary springs (75) are arranged in each through hole (611), one end of each auxiliary spring (75) is fixed with the side wall of each through hole (611), the other end of each auxiliary spring (75) is arranged towards the upright column (71), and the auxiliary springs (75) are uniformly distributed along the circumferential direction of the through holes (611).

5. A laboratory ventilation system according to claim 4, wherein: the upright post (71) comprises a pipe body (711) inserted in the slot (621) and a rod body (712) inserted in the pipe body (711) and connected with the pipe body (711) in a sliding manner, the top end of the rod body (712) is inserted in the through hole (611), a limiting piece is arranged on the upper surface of the first mounting plate (61) corresponding to each through hole (611) and used for shielding the top opening of the through hole (611), and an elastic piece is arranged in the pipe body (711) and used for enabling the top end of the rod body (712) to be kept in a state of abutting against the limiting piece.

6. A laboratory ventilation system according to claim 5, wherein: the bottom end of the pipe body (711) is sealed, the elastic piece is a compression spring (74) arranged in the pipe body (711), and two ends of the compression spring (74) are respectively abutted to one side, facing the second mounting plate (62), of the inner bottom of the pipe body (711) and the rod body (712).

7. A laboratory ventilation system according to claim 5, wherein: the limiting piece is a cover plate (72), the cover plate (72) covers a through hole (611) formed in the upper surface of the first mounting plate (61), a plurality of fixing bolts (73) are arranged on one side, deviating from the first mounting plate (61), of the cover plate (72), and the end portions of the fixing bolts (73) penetrate through the cover plate (72) and are screwed on the first mounting plate (61) in a threaded mode.

8. A laboratory ventilation system according to claim 7, wherein: an elastic sealing gasket (76) is clamped between the cover plate (72) and the first mounting plate (61).