CN108160612B - Sitting type air shower with foam spraying function and clean room system - Google Patents

Sitting type air shower with foam spraying function and clean room system Download PDF

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Publication number
CN108160612B
CN108160612B CN201711411685.9A CN201711411685A CN108160612B CN 108160612 B CN108160612 B CN 108160612B CN 201711411685 A CN201711411685 A CN 201711411685A CN 108160612 B CN108160612 B CN 108160612B
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China
Prior art keywords
air
seat
foam
pressure sensor
air supply
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Application number
CN201711411685.9A
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Chinese (zh)
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CN108160612A (en
Inventor
沈强
王丽芳
张建波
孙孝来
王艮
阚龙
国金花
潘丽君
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Suzhou Hepa Purification Environment Engineering Co ltd
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Suzhou Hepa Purification Environment Engineering Co ltd
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Priority to CN201711411685.9A priority Critical patent/CN108160612B/en
Publication of CN108160612A publication Critical patent/CN108160612A/en
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Publication of CN108160612B publication Critical patent/CN108160612B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B6/00Cleaning by electrostatic means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/167Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed

Abstract

The utility model provides a take sitting posture air shower and toilet system of foam injection function, includes: the air supply device, the air suction device, the control device, the chamber, the seat, the armrest and the raised floor; the air supply device also comprises a foam box, the bottom of the foam box is provided with an electrostatic generating device, and the air suction device also comprises a filter and a storage box; the seat is arranged on one side of the inner wall of the chamber, and the seat surface of the seat forms an included angle of 20-30 degrees with the horizontal line; the armrest is horizontally fixed on the other side of the inner wall of the chamber, the position of the armrest is higher than that of the seat, and the distance between the position of the front edge of the seat and the front edge of the armrest is 50-70 cm; the sitting type air shower with the foam spraying function can enable workers to finish air shower by sitting, solves the problem that part of stubborn dust is difficult to remove under low wind power, and provides a reliable choice for carriages and small plants which are required by part of air showers but difficult to realize due to cost and space.

Description

Sitting type air shower with foam spraying function and clean room system
Technical Field
The invention belongs to the technical field of cleaning, and particularly relates to a sitting type air shower with a foam spraying function and a clean room system.
Background
The air shower is a local purifying device with strong universality, is arranged between a clean room and a non-clean room or between a clean room with high cleanliness and a clean room with low cleanliness, is a passage which is necessary to pass before entering the clean room, and can reduce the pollution problem caused by the entrance and exit of the air shower. The existing air shower is generally a passageway, air blowing ports are arranged on two sides of the passageway, the longer the length of the passageway is, the better the cleaning effect is, but the longer the length of the corresponding passageway is, the larger the occupied space is, and the cost is increased.
The air shower adopts powerful clean air, is sprayed to the personnel from all directions by the nozzle to clear away the debris such as dust, hair, dandruff attached to the clothes, reduce the pollution problem that personnel passed in and out the toilet and bring. Because the biggest generating source of bacteria and dust is the staff under the dynamic condition, whether the action of drenching with the wind is normal when entering seriously influences the effect of drenching with the wind.
At present, the following unsolved items exist in the traditional air shower: firstly, the wind showering effect of the traditional wind showering room is limited by the current behavior of a wind showering person, if the wind showering person leans against a wind showering opening or the arms are not lifted, the wind showering is not thorough, wind showering blind areas such as leaning sides, arms and inner sides of the arms exist, and a certain amount of dust with larger particle sizes is attached. Two, many people wind shower, especially when 3 people are drenched simultaneously, the people who stands on both sides have only been drenched by wind unilateral, and the other side has not been drenched by wind, and the people who stands in the middle of the crowd has been blocked the mouth of blowing by the people on both sides, therefore has hardly been drenched by wind, and a large amount of dust will be attached to these people's clothes and be brought into the clean room. And thirdly, when the person is on duty, the person is fussy, so that potential safety hazards are easily caused, sitting type wind showering is beneficial to stabilizing emotion, and the worker can have a rest temporarily. Fourthly, the large air shower occupies a large area and has high energy consumption, and the common small air shower can achieve good air shower effect only in a long time. And fifthly, part of stubborn dust and other impurities are tightly attached to clothes, and are difficult to separate from the surfaces of the clothes under the condition of insufficient wind power, and people feel uncomfortable and unbearable under the condition of excessive wind power.
Disclosure of Invention
The invention aims to solve the technical problems that the traditional air shower room has air shower dead angles, poor air shower effect, difficult removal of part of stubborn dust under the set wind power strength, large occupied space of air shower equipment and high use cost due to non-standard air shower behaviors.
In view of the above-mentioned deficiencies of the prior art, the present invention provides a sitting air shower with foam spraying function, comprising: the air supply device, the air suction device, the control device, the chamber, the seat, the armrest and the raised floor; the outer side of the inner wall of the cavity is provided with 4-12 vertically arranged blast pipes which are correspondingly arranged at two sides of the cavity, each side is provided with 2-6 blast pipes, the pipe wall of each blast pipe facing the inner side of the cavity is formed with a plurality of blast holes, wherein, 1-2 blast holes positioned at the top of each blast pipe are provided with filter screens for preventing foam particles from passing through, each blast hole is fixed with an air outlet pipe which is inclined downwards, the blast pipes and the air outlet pipes form an included angle of 20-40 degrees, the inner wall of the cavity is formed with air outlets corresponding to the positions of the air outlet pipes, the air outlets are connected with the air outlet pipes, and the air supply device supplies air into the blast pipes; the air supply device and the control device are arranged at the top of the cavity, the air supply device further comprises a foam box, the foam box is in an inverted cone shape, an electrostatic generator is arranged at the bottom of the foam box, an S-shaped pipe is connected to the lower end of the foam box, and the other end of the S-shaped pipe is communicated with an air inlet pipe of the air supply device; clean foam particles are filled in the foam box, the foam particles are round or cylindrical, and the volume of the foam particles is 0.7-1cm3The foam particle material is high-resilience polyurethane foam particles; the air suction device is arranged in the overhead layer of the overhead floor and also comprises a filter and a storage box, and the head of the filter is provided with a semicircular grid filter screen which can separate foam particles in the air; the overhead floor is arranged at the bottom of the chamber; the seat is arranged on one side of the inner wall of the chamber and is fixed on the inner wall of the chamber through a first support positioned below the seat surface, and the seat is inclined forwards to form an included angle of 20-30 degrees between the seat surface and the horizontal line; the armrest is horizontally arranged on the other side of the inner wall of the chamber, corresponds to the seat and is fixed on the inner wall of the chamber through the second support, the position of the armrest is 30-60cm higher than that of the seat, and the distance between the position of the front edge of the seat and the front edge of the armrest is 50-70 cm;
the surface of the overhead floor is provided with a foot pad with an electrostatic adsorption function, the foot pad is arranged right in front of the seat, a left foot mark and a right foot mark are arranged on the foot pad to indicate positions where the left foot and the right foot should be placed, and when the floor is used, two feet are respectively placed at the left foot mark and the right foot mark to ensure that the two legs have enough opening degree;
when the air outlet speed of the air outlet pipe is 2-3m/s, the comfort level and the air showering effect are optimal;
the single air shower time of the sitting air shower with the foam spraying function is 10-15 s.
The seat is provided with a third pressure sensor which is positioned below the seat surface, and the first pressure sensor, the second pressure sensor and the third pressure sensor can send out wireless signals when sensing pressure.
Dust absorption grating inclined planes are arranged on two sides of the raised floor, filters are fixed on two sides of the dust absorption grating inclined planes, and the filters are connected with an air suction device.
The chamber is provided with two electronic doors for people to come in and go out.
The number of the chambers is one or more; when the number of the chambers is multiple, the chambers are sequentially arranged side by side.
And after receiving the wireless signals of the first pressure sensor, the second pressure sensor and the third pressure sensor, the control device locks the electronic door and starts the air supply device and the air suction device.
Preferably, the seat type air shower with the foam spraying function is characterized in that the seat surface of the seat is made of high-strength fiber fabric, and the pore size of the fabric is larger than 800 micrometers.
Preferably, the seat air shower with the foam spraying function is circular or elliptical, and the diameter of the seat is 20-30 cm.
The clean room system comprises a high-cleanliness grade area, a low-cleanliness grade area and the sitting type air shower with the foam injection function, wherein the sitting type air shower is arranged between the high-cleanliness grade area and the low-cleanliness grade area.
Has the advantages that:
the sitting air shower with the foam spraying function can reduce the height of the air shower to 1.5 meters or less, which is far less than the height of a common air shower by more than 2 meters; workers can finish wind showering by sitting, a good wind showering effect can be obtained at a lower wind speed, the high noise during wind showering and the anxiety of waiting in a high wind speed environment are reduced, and the workers can have a rest for a moment while wind showering is performed; the invention also solves the problem that the part stubborn dust under the given wind force is difficult to remove; the sitting air shower with the foam spraying function can be conveniently designed into a double-layer and multi-cavity structure for multiple people to use simultaneously, and provides a reliable choice for carriages and small plants which are difficult to realize due to cost and space requirements and have the requirement of partial air showers.
Drawings
FIG. 1 is a schematic cross-sectional view of a sitting air shower with foam spray.
Detailed Description
The invention is further described below with reference to the figures and the specific embodiments.
Example 1
As shown in fig. 1, a sitting-type air shower comprises: the air supply device 2, the air suction device 3, the control device 6, the chamber 1, the seat 4, the armrest 5 and the raised floor 7; the outer side of the inner wall 101 of the cavity is provided with 4 vertically arranged blast pipes 201, the blast pipes 201 are correspondingly arranged on two sides of the cavity, each side is provided with 2 blast pipes 201, the pipe wall of each blast pipe 201 facing the inner side of the cavity is formed with a plurality of blast holes 202, wherein, a filter screen 207 is arranged at 1 blast hole positioned at the top of each blast pipe to prevent foam particles from passing through, each blast hole 202 is fixed with a downward inclined air outlet pipe 203, the blast pipes 201 and the air outlet pipes 203 form an included angle of 30 degrees, the inner wall 101 of the cavity is formed with air outlets corresponding to the positions of the air outlet pipes, the air outlets are connected with the air outlet pipes 203, and the air supply device 2 supplies air to the inside 201 of the blast pipes; air supply arrangement 2 and controlling means 6 locate the top of cavity 1, air supply arrangement 2 still includes foam box 204, and foam box 204 is the back taper, and foam box bottom is equipped with electrostatic generator 208, and foam box 204 lower extreme even has S-shaped pipe 205, the other end of S-shaped pipe 205 and air supply arrangement 2The air inlet pipes are communicated; the foam box 204 is filled with clean foam particles 206, the foam particles 206 are round or cylindrical, and the volume of the foam particles 206 is 0.7-1cm3The foam particle material is high-resilience polyurethane foam particles; the air suction device 3 is arranged in the overhead layer of the overhead floor 7, the air suction device 3 further comprises a filter 302 and a storage box 303, and the head of the filter 302 is provided with a semicircular grating filter screen 304 which can separate foam particles in the air; the raised floor 7 is arranged at the bottom of the chamber 1; the seat 4 is arranged on one side of the inner wall 101 of the chamber and is fixed on the inner wall 101 of the chamber through a first support 401 positioned below the seat surface, and the seat 4 inclines forwards to enable the seat surface to form an included angle of 30 degrees with the horizontal line; the armrest 5 is horizontally arranged on the other side of the inner wall 101 of the chamber, corresponds to the seat 4, and is fixed on the inner wall 101 of the chamber through the second support 501, the position of the armrest 5 is 40cm higher than that of the seat 4, and the distance between the position of the front edge of the seat 4 and the front edge of the armrest 5 is 50 cm;
the surface of the raised floor 7 is provided with a foot pad 8 with an electrostatic adsorption function, the foot pad 8 is arranged right in front of the seat 4, a left foot mark and a right foot mark are arranged on the foot pad 8 to indicate positions where the left foot and the right foot should be placed, and when the chair is used, two feet are respectively placed at the left foot mark and the right foot mark to ensure that the two legs have enough opening;
when the air outlet speed of the air outlet pipe 203 is 2-3m/s, the comfort and the air showering effect are optimal;
the single air shower time of the sitting air shower with the foam spraying function is 10 s.
The seat is characterized in that a first pressure sensor 502 and a second pressure sensor 502 are arranged on the armrest 5, the first pressure sensor and the second pressure sensor are respectively arranged at two ends of the armrest, a third pressure sensor 402 is arranged on the seat, the third pressure sensor is positioned below the seat surface of the seat 4, and the first pressure sensor, the second pressure sensor and the third pressure sensor can send out wireless signals when sensing pressure.
Two sides of the raised floor 7 are provided with dust collection grids 301, two sides of the dust collection grids 301 are fixed with the filters 302, and the filters 302 are connected with the air suction device 3.
The chamber is provided with two electronic doors for people to come in and go out.
The number of the chambers 1 is one or more; when the number of the chambers is multiple, the chambers are sequentially arranged side by side.
And after receiving the wireless signals of the first pressure sensor, the second pressure sensor and the third pressure sensor, the control device 6 locks the electronic door and starts the air supply device 2 and the air suction device 3.
The seat surface of the seat 4 is made of high-strength fiber fabric, and the aperture of the fabric is larger than 800 microns, so that the part of a human body, which is in contact with the seat surface, can receive enough wind.
The chair surface is round or oval, and the diameter of the chair surface is 20-30 cm.
Example 2
The clean room system comprises a high-cleanliness grade area, a low-cleanliness grade area and the sitting type air shower with the foam injection function, wherein the sitting type air shower is arranged between the high-cleanliness grade area and the low-cleanliness grade area.
When in use, a worker enters from the electronic door at one side with low cleanliness, sits on the seat 4, inclines the upper body forwards, steps on the foot pads 8 with two feet, grasps the pressure sensors 502 at the two ends of the handrail 5 with two hands, thus, the wind-showering posture of the staff is limited to a sitting posture without wind-showering dead angles, after the control device 6 receives wireless signals sent by the pressure sensors on the armrests 5 and the seat 4, the air supply device 2 and the air suction device 3 are started, the air with high cleanliness is sent out from the air outlet obliquely and downwards, meanwhile, the foam particles 206 are sprayed and directly blown to the body of the worker, dust, hair and other sundries on the body of the worker are swept out in an all-around dead angle-free manner, the blown sundries move downwards under the wind, enter the air suction grille 301, filtered by the filter 302, the suction device 3 delivers the filtered clean air to the blowing device 2 again, forming a circular blowing system.
It is worth to be noted that, in the air showering process, after the air supply device and the air suction device are started, the electrostatic generator 208 located at the bottom of the foam box works to enable the foam particles 206 to be charged with static electricity, the foam particles 206 flow out of the S-shaped tube 205 in order under the pushing of negative pressure formed by the air inlet tube, move along the air supply tube 201 along with air with high cleanliness, and then are sprayed out by the air outlet tube 203 to be sprayed on the body of a worker, so that the physical flapping and electrostatic adsorption effects on clothes are achieved, most stubborn dust and sundries are forced to be separated from the surfaces of the clothes and the human body under the physical flapping and electrostatic adsorption effects at a set air speed, and the air showering operation is completed; the foam particles are larger than 206, so that the foam particles cannot be adsorbed on a human body due to static electricity; after being sprayed out from the air outlet pipe, the foam particles 206 move downwards and are recovered by the air suction device 3: the foam particles are separated at the semicircular grid screen 304 of the filter and fall into the storage box 303 below.
When the wind speed is lower than 5m/s, the high-resilience polyurethane foam particles are directly blown and hit on the facial skin and clothes of a human body, have no obvious pain, can play a role similar to massage, increase the interestingness in the process of wind showering, and have the functions of calming the mood of workers and eliminating the dysphoric mood; considering that foam particles directly blow and beat the discomfort and discomfort that may be caused by human face, set up filter screen 207 on 1 blast hole in blast pipe upper end, make foam particles 206 not spout by the last tuber pipe, avoided foam particles to directly blow and beat on people's face, the staff also can initiatively reduce the head position when the wind drenches, makes the head also can accept to blow and beat.
The foam particles 206 recovered in the storage box 303 can be recycled after being subjected to static electricity removal, disinfection, cleaning and drying.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.

Claims (7)

1. The utility model provides a take sitting posture air shower of foam injection function which characterized in that includes: the air supply device, the air suction device, the control device, the chamber, the seat, the armrest and the raised floor; the outer side of the inner wall of the chamber is provided with4-12 air supply pipes which are vertically arranged, wherein the air supply pipes are correspondingly arranged at two sides of the cavity, 2-6 air supply pipes are respectively arranged at each side, the pipe wall of each air supply pipe facing the inner side of the cavity is provided with a plurality of air supply holes, wherein 1-2 air supply holes positioned at the top of each air supply pipe are provided with filter screens for preventing foam particles from passing through, each air supply hole is fixedly provided with an air outlet pipe which is downwards inclined, the air supply pipes and the air outlet pipes form an included angle of 20-40 degrees, the inner wall of the cavity is provided with air outlets corresponding to the positions of the air outlet pipes, the air outlets are connected with the air outlet pipes, and the air supply devices supply air into the air; the air supply device and the control device are arranged at the top of the cavity, the air supply device further comprises a foam box, the foam box is in an inverted cone shape, an electrostatic generator is arranged at the bottom of the foam box, an S-shaped pipe is connected to the lower end of the foam box, and the other end of the S-shaped pipe is communicated with an air inlet pipe of the air supply device; clean foam particles are filled in the foam box, the foam particles are round or cylindrical, and the volume of the foam particles is 0.7-1cm3The foam particle material is high-resilience polyurethane foam particles; the air suction device is arranged in the overhead layer of the overhead floor and also comprises a filter and a storage box, and the head of the filter is provided with a semicircular grid filter screen which can separate foam particles in the air; the overhead floor is arranged at the bottom of the chamber; the seat is arranged on one side of the inner wall of the chamber and is fixed on the inner wall of the chamber through a first support positioned below the seat surface, and the seat is inclined forwards to form an included angle of 20-30 degrees between the seat surface and the horizontal line; the armrest is horizontally arranged on the other side of the inner wall of the chamber, corresponds to the seat and is fixed on the inner wall of the chamber through the second support, the position of the armrest is 30-60cm higher than that of the seat, the distance between the position of the front edge of the seat and the front edge of the armrest is 50-70cm, the armrest is provided with a first pressure sensor and a second pressure sensor, the first pressure sensor and the second pressure sensor are respectively arranged at two ends of the armrest, the seat is provided with a third pressure sensor, the third pressure sensor is positioned below the seat surface of the seat, the first pressure sensor, the second pressure sensor and the third pressure sensor can send out wireless signals when sensing the pressure, the control device locks the electronic door after receiving the wireless signals of the first pressure sensor, the second pressure sensor and the third pressure sensor, and starts the air supply;
the surface of the overhead floor is provided with a foot pad with an electrostatic adsorption function, the foot pad is arranged right in front of the seat, a left foot mark and a right foot mark are arranged on the foot pad to indicate positions where the left foot and the right foot should be placed, and when the floor is used, two feet are respectively placed at the left foot mark and the right foot mark to ensure that the two legs have enough opening degree;
when the air outlet speed of the air outlet pipe is 2-3m/s, the comfort level and the air showering effect are optimal;
the single air shower time of the sitting air shower with the foam spraying function is 10-15 s.
2. The sitting type air shower with the foam injection function as claimed in claim 1, wherein dust absorption grating inclined planes are arranged on two sides of the raised floor, the filters are fixed on two sides of the dust absorption grating inclined planes, and the filters are connected with the air suction device.
3. The sitting air shower with foam spraying function as claimed in claim 1, wherein the chamber is provided with two electronic doors for people to come in and go out.
4. The sitting air shower with foam spraying function as claimed in claim 1, wherein the number of the chambers is one or more; when the number of the chambers is multiple, the chambers are sequentially arranged side by side.
5. A sitting air shower with foam spraying function as claimed in claim 1, wherein the seat surface of the seat is high strength fiber fabric with a pore size larger than 800 μm.
6. A seat type air shower with foam spraying function as claimed in claim 5, wherein said seat surface is circular or elliptical, and the diameter of the seat surface is 20-30 cm.
7. The utility model provides a take toilet system of sitting posture air shower of foam injection function which characterized in that includes: a high cleanliness class area, a low cleanliness class area, and the seating air shower of any one of claims 1-6 disposed between the high cleanliness class area and the low cleanliness class area.
CN201711411685.9A 2017-12-23 2017-12-23 Sitting type air shower with foam spraying function and clean room system Active CN108160612B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711411685.9A CN108160612B (en) 2017-12-23 2017-12-23 Sitting type air shower with foam spraying function and clean room system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711411685.9A CN108160612B (en) 2017-12-23 2017-12-23 Sitting type air shower with foam spraying function and clean room system

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CN108160612A CN108160612A (en) 2018-06-15
CN108160612B true CN108160612B (en) 2021-07-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06101882A (en) * 1992-09-18 1994-04-12 Hitachi Ltd Air shower unit
CN204074624U (en) * 2014-09-16 2015-01-07 广东梅雁吉祥水电股份有限公司 Automatic induction gate-type Airshower chamber
CN204893735U (en) * 2015-09-01 2015-12-23 中国化学工程第六建设有限公司 Rust cleaning shot -blasting machine
CN206425300U (en) * 2017-01-12 2017-08-22 济南中海净化工程有限公司 A kind of medical Airshower chamber
CN206693675U (en) * 2017-03-26 2017-12-01 贵阳中医学院第二附属医院 A kind of multi-functional Airshower chamber of dept. of radiology

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06101882A (en) * 1992-09-18 1994-04-12 Hitachi Ltd Air shower unit
CN204074624U (en) * 2014-09-16 2015-01-07 广东梅雁吉祥水电股份有限公司 Automatic induction gate-type Airshower chamber
CN204893735U (en) * 2015-09-01 2015-12-23 中国化学工程第六建设有限公司 Rust cleaning shot -blasting machine
CN206425300U (en) * 2017-01-12 2017-08-22 济南中海净化工程有限公司 A kind of medical Airshower chamber
CN206693675U (en) * 2017-03-26 2017-12-01 贵阳中医学院第二附属医院 A kind of multi-functional Airshower chamber of dept. of radiology

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