CN212660811U

CN212660811U - Positive pressure eliminating device for low-temperature disinfection room of animal room

Info

Publication number: CN212660811U
Application number: CN202021123806.7U
Authority: CN
Inventors: 徐严波
Original assignee: Jiangsu Shengshi Huawei Engineering Technology Co ltd
Current assignee: Suzhou Shengshi Huawei Decoration Design Engineering Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-09
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses an animal room low temperature sterilization room malleation remove device, include: the side wall of the disinfection room is connected with an exhaust pipe, and an exhaust valve and a negative pressure device are arranged in the exhaust pipe; the top of the disinfection room is provided with a high-efficiency air supply outlet, the high-efficiency air supply outlet is connected with one end of a first air supply pipe, the other end of the first air supply pipe is connected with a tee joint, the tee joint is further connected with a second air supply pipe and a pressure relief pipe respectively, a first air supply valve is arranged in the first air supply pipe, and a pressure relief valve is arranged in the pressure relief pipe. During the disinfection, close first blast valve, exhaust valve and negative pressure device, open the relief valve, the wind that still lasts to send into in the second blast pipe this moment can be arranged to the atmosphere through the pressure release pipe, has avoided the wind that lasts to send into to break through and get into the experiment disinfection room after the restriction of first blast valve, has solved because of the blast valve can't accomplish totally inclosed, leads to in the wind gets into the experiment disinfection room, makes to be in the malleation state in the experiment disinfection room, and causes the problem that the hydrogen peroxide in the disinfection room outwards revealed.

Description

Positive pressure eliminating device for low-temperature disinfection room of animal room

Technical Field

The utility model relates to a disinfection technical field, concretely relates to malleation remove device between animal room low temperature disinfection.

Background

The hydrogen peroxide is a high-efficiency, low-toxicity and low-corrosiveness disinfectant, is decomposed into oxygen and water after disinfection, does not have residual toxicity, and has the bactericidal effect which is approved as early as more than 100 years ago. Later researches show that the gaseous hydrogen peroxide can achieve the sterilization performance under the condition of a closed environment. The hydrogen peroxide dry mist space sterilization system utilizes a physical means of a vaporization generating device to convert liquid hydrogen peroxide into aerosol 'dry mist' state of mist drops, so that the aerosol 'dry mist' state is dispersed in a clean area needing sterilization, and the sterilization effect is achieved. The professional sterilization design scheme proves that vaporized hydrogen peroxide can achieve a good killing effect on the air environment and the surface of an object through a challenge test on the bacillus subtilis var niger indicator.

In the experimental animals trade field, must carry out strict disinfection to equipment, at present, to the biosafety cabinet, the IVC host computer, the IVC cage, the carbon dioxide incubator, small-size freeze drier, small-scale experimental facilities such as little isolator of aseptic processing, adopt the mode of manual disinfection usually, and manual disinfection chooses for use hydrogen peroxide fumigation disinfection mostly, in the disinfection process, it does not send the air exhaust in the workshop to require, normal condition accessible closes blast valve and exhaust fan makes and be in zero pressure state in the workshop, but because blast valve can't accomplish totally inclosed, lead to still windy sending into in the workshop, be in the malleation state in making the workshop, cause the hydrogen peroxide in the workshop to outwards reveal.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an animal room low temperature sterilization room malleation remove device, it includes:

the hydrogen peroxide input device is arranged in the disinfection room, the side wall of the disinfection room is connected with an exhaust pipe, and an exhaust valve and a negative pressure device are arranged in the exhaust pipe; the top of the disinfection room is provided with a high-efficiency air supply outlet, the high-efficiency air supply outlet is connected with one end of a first air supply pipe, the other end of the first air supply pipe is connected with a tee joint, the tee joint is further connected with a second air supply pipe and a pressure relief pipe respectively, a first air supply valve is arranged in the first air supply pipe, and a pressure relief valve is arranged in the pressure relief pipe.

Further, a second air supply valve is arranged in the second air supply pipe.

Further, the efficient air supply outlet comprises a static pressure box, the static pressure box comprises an air inlet and an air outlet, the air inlet is communicated with the first air supply pipe, and the air outlet is connected with a flow dispersing device; a high-efficiency filter is also arranged in the static pressure box; the side wall of the air outlet end of the static pressure box forms a step structure which comprises a first step and a second step which are connected with each other; a first detection port is formed in the upper surface of the first step and communicated with the first vertical pipe; a second detection port is formed in the flow dispersing device and is communicated with a second vertical pipe, and the second vertical pipe penetrates through the second step and is close to the first vertical pipe; the first vertical pipe and the second vertical pipe are respectively connected with the static pressure sensor through connecting pipes.

Further, a support piece is formed on the inner wall of the static pressure box, and the high-efficiency filter is arranged on the support piece.

Furthermore, a first fixing rod is fixed on the supporting piece, a thread is formed at the free end of the first fixing rod, a first pressing sheet is sleeved on the first fixing rod, and the first pressing sheet is extruded on the upper end face of the high-efficiency filter through the cooperation of a first nut and the free end of the first fixing rod.

The device further comprises a second fixing rod, wherein one end of the second fixing rod is provided with a second pressing structure, and the other end of the second fixing rod forms a threaded end; a fixing rod hole is formed on the supporting piece; and after the second fixing rod penetrates through the fixing rod hole and is screwed down by using a second nut, the second tabletting structure fixes the high-efficiency filter on the support.

Further, the second pressing structure is an L-shaped structure.

Further, the second nut is sealed with the bottom of the support through a sealing gasket.

Further, a seal is disposed between the high efficiency filter and the support.

And the control module is respectively connected with the static pressure sensor and the air volume adjusting device.

Compared with the prior art, the technical scheme of the utility model have following advantage:

(1) the utility model provides an animal room low temperature sterilization room malleation remove device, first blast pipe, second blast pipe and pressure release pipe pass through three-way connection, be equipped with first blast valve in the first blast pipe, be equipped with the relief valve in the pressure release pipe, when needing the disinfection in the experiment disinfection room, close first blast valve, exhaust valve and negative pressure equipment, open the relief valve, the wind that still continuously feeds in this moment in the second blast pipe can be arranged to the atmosphere through the pressure release pipe, the wind of having avoided continuously feeding breaks through and gets into the experiment disinfection room behind the restriction of the first blast valve that can not totally inclosed, solved because of the blast valve can't accomplish totally inclosed, lead to in the wind gets into the experiment disinfection room, make and be in the malleation state in the experiment disinfection room, and cause the problem that the hydrogen peroxide in the disinfection room outwards revealed.

(2) The utility model provides an animal room low temperature sterilization room malleation remove device, including high-efficient supply-air outlet, high-efficient supply-air outlet includes the static pressure case, the diverging device is installed to static pressure case air outlet end, and the distolateral wall design of air outlet of static pressure case is for the stair structure of compriseing first step and second step, all offers the detection mouth on first step and diverging device to communicate vertical pipe respectively on two above-mentioned detection mouths, two vertical pipes pass through the connecting pipe and are connected with static pressure sensor. The bypass degree of the position in the static pressure box is greatly reduced by arranging a combined structure of the first step and the second step, and after the structure is adopted, the detection port and the vertical pipe are arranged on the first step, the second step and the flow dispersing device, so that the static pressure value in the static pressure box can be monitored in real time, and the real-time air supply quantity is calculated through the static pressure value, so that the air supply quantity can be controlled conveniently; meanwhile, the first step and the flow dispersing device are respectively provided with a detection port, the static pressure sensor can simultaneously measure the static pressure in the static pressure box provided by the two detection ports, and the static pressure measured by the static pressure sensor at two positions is calculated through the pressure difference, so that the measured static pressure is more accurate, and further, the air intake control is more accurate.

(3) The positive pressure eliminating device of the low-temperature disinfection room of the animal room provided by the utility model is characterized in that a supporting piece is arranged in an air box, and a high-efficiency filter is arranged on the supporting piece; through setting up first dead lever on support piece, the free end of first dead lever forms the screw thread, overlaps on first dead lever and establishes first preforming, and the free end through first nut cooperation first dead lever extrudees first preforming at high efficiency filter's up end, makes filter and support piece fastening, prevents that high efficiency filter from taking place to shift because of the too big high efficiency filter that leads to of the volume of wind in the bellows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the positive pressure eliminating device of the low-temperature sterilizing room for animal houses of the present invention;

FIG. 2 is a schematic view showing the overall configuration of a high-efficiency air supply port in the positive pressure eliminating apparatus for a low-temperature sterilization room for animal houses in example 1;

FIG. 3 is a schematic view showing the overall configuration of a high-efficiency air supply port in the positive pressure eliminating apparatus for a low-temperature sterilization room for animal houses in example 2;

the reference numbers in the figures denote: 1-a disinfection room; 2-high-efficiency air supply outlet; 3-static pressure box; 4-a flow dispersing device; 5-a high efficiency filter; 6-a first step; 7-a second step; 8-a first detection port; 9-a second detection port; 10-a first vertical tube; 11-a second vertical tube; 12-a connecting tube; 13-a static pressure sensor; 14-a first fixing bar; 15-first tabletting; 16-a first nut; 17-a support; 18-a second fixation bar; 19-a second preform structure; 20-fixed rod hole; 21-a second nut; 22-a control lever; 23-air volume adjusting blades; 24-a hydrogen peroxide input device; 25-an exhaust pipe; 26-a first air supply pipe; 27-a second air supply pipe; 28-pressure relief pipe; 29-tee joint; 30-a first blast valve; 31-a second blow valve; 32-a pressure relief valve; 33-an exhaust valve; 34-negative pressure device.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. The embodiments in the present invention, other embodiments obtained by a person of ordinary skill in the art without creative work, all belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-2, the present embodiment discloses a positive pressure eliminating device for a low temperature sterilization room for an animal house, wherein the direction of the arrows shown in the drawings is the wind flowing direction. The positive pressure eliminating device of the low-temperature disinfection room of the animal room comprises a disinfection room 1, a high-efficiency air supply outlet 2, a first air supply pipe 26, a second air supply pipe 27, an exhaust pipe 25 and a pressure relief pipe 28.

A hydrogen peroxide input device 24 is arranged in the disinfection room 1, the hydrogen peroxide input device 24 is not particularly limited and can be a nozzle or a nozzle, an exhaust pipe 25 is connected to the side wall of the disinfection room 1, an exhaust valve 33 and a negative pressure device 34 are arranged in the exhaust pipe 25, the negative pressure device is not particularly limited and can be an exhaust fan, a fan or a vacuum pump, and the like, and in the embodiment, the exhaust fan is an exhaust fan; the top of the disinfection room 1 is provided with a high-efficiency air supply outlet 2, the high-efficiency air supply outlet 2 is connected with one end of a first air supply pipe 26, the other end of the first air supply pipe 26 is connected with a tee joint 29, the tee joint 29 is also connected with a second air supply pipe 27 and a pressure relief pipe 28 respectively, the cross-sectional shapes of the first air supply pipe 26, the second air supply pipe 27, the exhaust pipe 25 and the pressure relief pipe 28 are not specifically limited, and the cross-sectional shapes can be rectangular or circular, and are circular in the embodiment. Be equipped with first blast valve 30 in the first blast pipe 26, first blast valve is used for adjusting the size that first blast pipe 26 carried the amount of wind in to high-efficient supply-air outlet 2, and first blast valve 30 realizes the control to the amount of wind through cooperating with first blast pipe 26, be equipped with relief valve 32 in the pressure release pipe 28, specifically, still be equipped with second blast valve 31 in second blast pipe 27, second blast valve 31 is used for adjusting the size that second blast pipe 26 carried the amount of wind in to first blast pipe 26, and second blast valve 31 realizes the control to the amount of wind through cooperating with second blast pipe 27.

An air inlet and an air outlet are formed in the efficient air supply outlet 2, a static pressure box 3 is arranged in the efficient air supply outlet 2, and the first air supply pipe 26 is communicated with the air inlet in the static pressure box 3 and used for supplying air into the static pressure box 3.

The first air supply valve 30 includes a control structure (not shown), a control rod 22 and an air volume adjusting blade 23 mounted on the control rod 22, the air volume adjusting blade 23 is disposed in the first air supply pipe 26, and the shape and number thereof are not particularly limited, and in this embodiment, the number is two; one end of the control rod 22 extends into the air inlet duct 1 to be connected with the two air volume adjusting blades 23, and the other end is connected with a control structure, the control structure is not particularly limited, and can be controlled by a mechanical structure, and can be controlled by an electric motor, in this embodiment, the electric control is preferred, and specifically, the electric motor is used; further, when the control structure fails, the control rod 22 can be manually operated to control the opening and closing degree of the air volume adjusting blade 23, so as to control the air volume.

The structural shape of the static pressure box 3 is not particularly limited, and may be a cuboid, a cylinder, a hexagon or the like, or a structural shape designed by itself according to a specific construction environment, in this embodiment, the static pressure box 3 has an outline close to a cube, the top and the bottom of the static pressure box are respectively provided with an air inlet and an air outlet, the air inlet is communicated with the first air supply pipe 26, the shape of the air inlet is matched with the shape of the first air supply pipe 26, specifically, in this embodiment, the first air supply pipe 26 is a circular air pipe, and the air inlet is a circular air inlet matched with a rectangular air pipe; the air outlet is located at the bottom of the static pressure box 3, the shape of the air outlet is not particularly limited, and the shape of the air outlet can be any opening shape such as circular shape, rectangular shape and the like, and is preferably defined according to the shape of the static pressure box 3. The flow dispersing device 4 is connected to the air outlet, specifically, the flow dispersing device 4 may be a flow dispersing sheet, a flow dispersing plate, or a flow dispersing net, and in this embodiment, the flow dispersing device 4 is a flow dispersing plate. When the static pressure box 3 is in a shape of a cuboid or a hexagon and the like with a plurality of side walls, at least one side wall close to the air outlet end is provided with a step structure, and a plurality of step structures can be formed on a plurality of side walls close to the air outlet end or all the side walls; when the static pressure box 3 is of a circular structure, the stepped structure can be formed by surrounding the circle or partially forming an arc. The stepped structure comprises a first step 6 and a second step 7, the first step 6 is positioned above the second step 7, a first detection port 8 is formed in the upper surface of the first step 6, and one end of a first vertical pipe 10 is connected with the first detection port 8 and communicated with the interior of the static pressure box 3; a second detection port 9 is formed in the flow dispersing device 4, a second vertical pipe 11 is close to the first vertical pipe 10, the second vertical pipe 11 penetrates through the second step 7, and one end of the second vertical pipe 11 is communicated with the second detection port 9; the other ends of the first vertical pipe 10 and the second vertical pipe 11 communicate with a connection pipe 12, and the other end of the connection pipe 12 is connected to a static pressure sensor 13.

The high-efficiency filter 5 is installed in the static pressure box 3, the installation mode of the high-efficiency filter 5 in the static pressure box 3 is not limited, specifically, the high-efficiency filter 5 is arranged on a support member 17 in the static pressure box 3, the support member 17 is arranged on the inner wall of the static pressure box 3 and is used for supporting the high-efficiency filter 5, the support member 17 can be plate-shaped or strip-shaped, specifically, in the embodiment, the support member 17 is a support plate which is integrally formed with the inner wall of the static pressure box 3, the support plate is enclosed along the inner wall of the static pressure box 3 and forms an air circulation hole, and when the high-efficiency filter 5 is placed on the support plate, the air circulation hole is. The first fixing rod 14 is arranged on the supporting piece 17, the first fixing rod 14 is positioned between the side wall of the high-efficiency filter 5 and the inner wall of the static pressure box 3, the bottom end of the first fixing rod 14 is fixedly connected with the supporting piece 17, and a free end of the first fixing rod 14 forms a thread. The first pressing plate 15 is sleeved on the first fixing rod 14 for pressing the high efficiency filter 5 on the supporting member 17, and the shape of the first pressing plate 15 is not limited in particular, and may be circular, square or other shapes, in this embodiment, circular. The first nut 16 is screwed on the first fixing rod 14 to be engaged with the thread of the first fixing rod 14, and after the first nut 16 is screwed, the first presser plate 15 is pressed against the upper end surface of the high efficiency filter 5, thereby fastening the high efficiency filter 5 to the support 17. In order to make the high-efficiency filter 5 airtight with the support 17, a sealing member (not shown) is provided therebetween, the shape of which is not particularly limited, and which is customized or self-made according to the sealing range, preferably made of rubber material.

As a modification, the wind power generation device further comprises a control module, the control module is respectively connected with the static pressure sensor 13 and the wind power adjusting device 2, the control module controls the control structure of the wind power adjusting device 2 according to the numerical value transmitted by the static pressure sensor 13 to control the wind power, the control module adopts the existing module unit which calculates and controls the wind power according to pressure or a plurality of pressures or pressure differences, such as a single chip microcomputer, a PLC system or a computer comprising the device, and specifically, the control module is a PLC system.

Example 2

As shown in fig. 3, the present embodiment discloses a high-efficiency outlet air blowing device, which is different from the high-efficiency outlet air blowing device disclosed in embodiment 1 in that: the first fixing rod 14, the first pressing piece 15 and the first nut 16 are not provided in this embodiment. In this embodiment, a fixing rod hole 20 is formed in the supporting member 17, the second fixing rod 18 is disposed in the fixing rod hole 20 in a penetrating manner, a second pressing structure 19 is disposed at a head end of the second fixing rod 18, the second pressing structure 19 is used for pressing the high efficiency filter 5 onto the supporting member 17, and a structure or a structural combination of the second pressing structure 19 is not particularly limited, such as a single shape, or a combined structure, such as a nut and washer combination; specifically, the second tabletting structure 19 is L-shaped; the combination structure of the second pressing structure 19 and the second fixing rod 18 is not limited in particular, and may be a connection manner such as welding, clamping, or screwing, or an integral molding, in this embodiment, the second pressing structure 19 and the second fixing rod 18 are integrally molded. The bottom end of the second fixing rod 18 is threaded after passing through the support member 17, and a second nut 21 is screwed on the bottom end of the second fixing rod 18, and after being screwed, the second pressing structure 19 presses the high efficiency filter 5 against the support member 17. Further, a sealing gasket (not shown) for sealing a gap between the second nut 21 and the fixing rod hole 20 is provided between the second nut 21 and the support 17.

The utility model discloses a disinfection room malleation remove device's use as follows:

when the experiment disinfection room needs the disinfection, close first blast valve 30, exhaust valve 33 and negative pressure device 34, open relief valve 32, the wind that still continuously feeds into in the second blast pipe 31 this moment can be discharged to the atmosphere through pressure relief pipe 28, make the wind that continuously feeds into be difficult to break through the restriction entering experiment disinfection room that can not totally inclosed first blast valve, solved because of the blast valve can't accomplish totally inclosed, wind gets into in the experiment disinfection room, make and be in the malleation state in the experiment disinfection room, and lead to the problem that the inside hydrogen peroxide of disinfection room outwards reveals. During normal ventilation, air flows through the second air supply pipe 31 and the first air supply pipe 26 in sequence, enters the static pressure box 3 from an air inlet on the static pressure box 3 through the first air supply valve 30, then flows through the high-efficiency filter 5, flows to the flow dispersing device 4 on an air outlet at the bottom of the static pressure box 3 after being filtered by the high-efficiency filter 5, and enters a set place after being dispersed by the flow dispersing device 4. During the operation, the static pressure sensor 13 measures the static pressure in the static pressure box 3 transmitted from the first detection port 8 through the first vertical pipe 10 and the connecting pipe 12; the static pressure sensor 13 measures the static pressure on the diffuser plate transmitted from the second detection port 9 through the second vertical pipe 11 and the connection pipe 12. And manually or automatically adjusting the first air supply valve 30 and/or the second air supply valve 31 according to the pressure data detected from the first detection port and the second detection port, thereby adjusting the air inlet volume.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A positive pressure eliminating device for a low-temperature disinfection room of an animal room is characterized by comprising: the hydrogen peroxide input device is arranged in the disinfection room, the side wall of the disinfection room is connected with an exhaust pipe, and an exhaust valve and a negative pressure device are arranged in the exhaust pipe; the top of the disinfection room is provided with a high-efficiency air supply outlet, the high-efficiency air supply outlet is connected with one end of a first air supply pipe, the other end of the first air supply pipe is connected with a tee joint, the tee joint is further connected with a second air supply pipe and a pressure relief pipe respectively, a first air supply valve is arranged in the first air supply pipe, and a pressure relief valve is arranged in the pressure relief pipe.

2. The positive pressure eliminating device for the low-temperature sterilization room for animal houses according to claim 1, wherein a second air supply valve is provided in the second air supply pipe.

3. The positive pressure eliminating device for the low-temperature sterilization room of the animal room as claimed in claim 2, wherein the high-efficiency air supply outlet comprises a static pressure box, the static pressure box comprises an air inlet and an air outlet, the air inlet is communicated with the first air supply pipe, and the air outlet is connected with a flow dispersing device; a high-efficiency filter is also arranged in the static pressure box; the side wall of the air outlet end of the static pressure box forms a step structure which comprises a first step and a second step which are connected with each other; a first detection port is formed in the upper surface of the first step and communicated with the first vertical pipe; a second detection port is formed in the flow dispersing device and is communicated with a second vertical pipe, and the second vertical pipe penetrates through the second step and is close to the first vertical pipe; the first vertical pipe and the second vertical pipe are respectively connected with the static pressure sensor through connecting pipes.

4. The positive pressure elimination device for the low-temperature sterilization room for animal houses according to claim 3, wherein the static pressure box inner wall is formed with a support member, and the high-efficiency filter is disposed on the support member.

5. The positive pressure eliminating device for the low-temperature sterilization room for the animal room as claimed in claim 4, wherein a first fixing rod is fixed on the supporting member, a free end of the first fixing rod is formed with a thread, a first pressing plate is sleeved on the first fixing rod, and the first pressing plate is pressed on the upper end surface of the high-efficiency filter by a first nut matching with the free end of the first fixing rod.

6. The positive pressure eliminating device for the low-temperature sterilization room for the animal room as claimed in claim 5, further comprising a second fixing rod, wherein one end of the second fixing rod is provided with a second pressing structure, and the other end of the second fixing rod forms a threaded end; a fixing rod hole is formed on the supporting piece; and after the second fixing rod penetrates through the fixing rod hole and is screwed down by using a second nut, the second tabletting structure fixes the high-efficiency filter on the support.

7. The positive pressure elimination device in a low temperature sterilization booth for animal rooms as claimed in claim 6, wherein said second sheet pressing structure is an L-shaped structure.

8. The positive pressure elimination apparatus for a low temperature sterilization booth for animal houses according to claim 7, wherein the second nut achieves its seal with the bottom of the support member by a sealing gasket.

9. The positive pressure elimination device in an animal room cold sterilization booth of claim 8, wherein a seal is disposed between the high efficiency filter and the support.

10. The positive pressure elimination device in the low-temperature sterilization room for the animal room as claimed in claim 9, further comprising a control module, wherein the control module is respectively connected with the static pressure sensor and the air volume adjusting device.