CN113634125A - Alkaline microorganism culture solution concentration and filtration device - Google Patents

Alkaline microorganism culture solution concentration and filtration device Download PDF

Info

Publication number
CN113634125A
CN113634125A CN202111206682.8A CN202111206682A CN113634125A CN 113634125 A CN113634125 A CN 113634125A CN 202111206682 A CN202111206682 A CN 202111206682A CN 113634125 A CN113634125 A CN 113634125A
Authority
CN
China
Prior art keywords
pipe body
compression
base
tube
piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111206682.8A
Other languages
Chinese (zh)
Inventor
吴刚
吴术生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Luyang Agricultural Technology Co ltd
Original Assignee
Shenzhen Luyang Agricultural Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Luyang Agricultural Technology Co ltd filed Critical Shenzhen Luyang Agricultural Technology Co ltd
Priority to CN202111206682.8A priority Critical patent/CN113634125A/en
Publication of CN113634125A publication Critical patent/CN113634125A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2313/00Details relating to membrane modules or apparatus
    • B01D2313/24Specific pressurizing or depressurizing means

Abstract

The invention is suitable for the field of microbial culture, and provides an alkaline microbial culture solution concentration and filtration device which comprises a base, an actuating mechanism and a swinging piece, wherein a compression pipe body and a conveying pipe body are arranged on the base, and a filtration assembly is arranged between the compression pipe body and the conveying pipe body; one side of the filter assembly is provided with a hinged piece, the other side of the filter assembly is provided with a locking piece, and the output end of the actuating mechanism is provided with a pushing piece. The beneficial effects are as follows: this device is when using, and it moves to hand the swing piece through the manual work for actuating mechanism carries out reciprocating motion, realizes carrying out the pressure boost to the culture solution in the compression body, and at first wobbling drive mode is compared in driven formula that bulldozes very laborsavingly, has avoided operating repeatedly the back experimenter to produce tired and feels, moreover because the compression body rotates articulated mode with the transport body, can conveniently pull down the filter assembly who is located the centre, and the work just can swiftly be accomplished with changing the ground clearance.

Description

Alkaline microorganism culture solution concentration and filtration device
Technical Field
The invention belongs to the field of microbial culture, and particularly relates to a concentration and filtration device for an alkaline microbial culture solution.
Background
The microbial culture refers to the rapid growth and propagation of some (kinds of) microorganisms by means of artificially prepared culture media and artificially created culture conditions (such as culture temperature, and the like), and is called microbial culture.
The culture solution is an artificially prepared nutrient for growth and maintenance of microorganisms, plant and animal tissues, and generally contains carbohydrates, nitrogen-containing substances, inorganic salts (including trace elements), vitamins, water and the like, and the alkaline microorganisms refer to microorganisms optimally growing in the culture solution with the pH value of more than 8.0 and usually between 9 and 10.
In the culture process, the culture solution is often required to be filtered, metabolites of alkaline microorganisms in the culture solution are separated, the utilization value is high, waste residues in the culture solution are also required to be separated and extracted, and the culture solution is purified.
At present, in a laboratory, because need use a large amount of culture solutions in being different from industrial production, so generally the manual work is extracted, then promote the piston pressure boost and filter, and the pressure boost can not be replaced through mechanical device moreover, because mechanical device exerts pressure excessively, can lead to filter medium to break, and frequent operation causes experimenter's hand fatigue aching easily, and the filter medium of device is located inside moreover, and is more loaded down with trivial details when clearing up or changing.
Disclosure of Invention
The embodiment of the invention aims to provide a device for concentrating and filtering an alkaline microorganism culture solution, and aims to solve the problems of labor-consuming operation and complex cleaning and replacement of a filter medium.
The embodiment of the invention is realized in such a way that the alkaline microorganism culture solution concentration and filtration device comprises a base, a compression pipe body and a conveying pipe body are arranged on the base, a filtration assembly is arranged between the compression pipe body and the conveying pipe body, and the alkaline microorganism culture solution concentration and filtration device also comprises an actuating mechanism and a swinging piece;
one side of the filtering assembly is provided with an articulated piece, the articulated piece is used for connecting one end of the compression pipe body with one end of the conveying pipe body, the other side of the filtering assembly is provided with a locking piece, and the locking piece is used for fixing the compression pipe body and the conveying pipe body;
the output end of the actuating mechanism is provided with a pushing piece, the pushing piece is located in the compression pipe body, and the oscillating piece drives the actuating mechanism to move so as to realize reciprocating motion of the pushing piece in the compression pipe body.
Preferably, the clamping plates are arranged on the base at intervals, the ring pieces are fixed outside the compression pipe body and the conveying pipe body, and the compression pipe body and the conveying pipe body are fixed on the base through the matching of the ring pieces and the clamping plates.
Preferably, the base side is provided with first container, and the side of compression body is fixed with the first pipe fitting rather than the intercommunication, and the other end of first pipe fitting is located first container.
Preferably, the base side is provided with the second container, and the terminal surface of conveying pipe body is fixed with the second pipe fitting rather than the intercommunication, and the other end of second pipe fitting is located the second container.
Preferably, the filter assembly comprises a sleeve member, two ends of the sleeve member are respectively connected with one end of the conveying pipe body and one end of the compression pipe body, and a filter membrane is fixed in the sleeve member.
Preferably, the end face of the sleeve is provided with a circumferential groove, the width of the circumferential groove is larger than the wall thickness of the conveying pipe body and the wall thickness of the compression pipe body, and a gasket is arranged at the bottom of the circumferential groove.
Preferably, the actuating mechanism includes a pushing member located in the compression pipe body, a rod member is fixed to one side of the pushing member, the other end of the rod member is located outside the compression pipe body, a support is arranged on the base, the rod member is connected to the support in a sliding mode, an elastic member is arranged in the support, and after the swinging member drives the rod member to move axially, the elastic member is used for resetting the rod member.
Preferably, an end of the lever member facing the swinging member is provided with a top block, and the lever member is in contact with the swinging member through the top block of the end.
Preferably, the swinging member comprises a swinging rod rotatably connected to the base, and the swinging rod swings along the length direction of the rod member.
Preferably, one side of the oscillating bar on the base, which is far away from the rod piece, is provided with a limiting piece.
The alkaline microorganism culture solution concentration and filtration device provided by the embodiment of the invention has the beneficial effects that: this device is when using, it moves to hand the swing piece through the manual work, make actuating mechanism carry out reciprocating motion, the realization is carried out the pressure boost to the culture solution in the compression body, it is internal to make it permeate through filtering component entering conveyer pipe, at first wobbling drive mode compare in driven bulldoze the formula very laborsaving, experimental personnel produces tired sense after having avoided operating repeatedly, and because compression body and conveying body rotate articulated mode, can conveniently pull down the filtering component who is located in the middle of, the clearance just can be swiftly accomplished with the work of changing.
Drawings
FIG. 1 is a perspective view of an alkaline microorganism culture solution concentrating and filtering apparatus according to an embodiment of the present invention;
fig. 2 is a perspective view of a connection between a compression pipe and a delivery pipe according to an embodiment of the present invention;
fig. 3 is a perspective structural view of relevant components on a base according to an embodiment of the present invention;
FIG. 4 is a perspective view of a filter assembly according to an embodiment of the present invention;
FIG. 5 is a perspective view of an actuator according to an embodiment of the present invention;
in the drawings: 1-a base; 2-compressing the tube body; 3-conveying the pipe body; 4-a filter assembly; 401-a kit; 402-filter membrane; 403-circumferential grooves; 404-a washer; 5-an actuator; 501-a pusher; 502-a rod member; 503-a scaffold; 504-a resilient member; 505-top block; 6-a swinging member; 601-a swing rod; 7-a hinge member; 8-a locking member; 9-clamping plate; 10-a ring member; 11-a first container; 12-a first tubular member; 13-a second container; 14-a second tubular member; 15-a stop.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, fig. 2 and fig. 5, a structure diagram of an alkaline microorganism culture solution concentration and filtration apparatus according to an embodiment of the present invention includes:
the base 1 is provided with compression body 2 and conveying pipe body 3 on the base 1, be equipped with filtering component 4 between compression body 2 and the conveying pipe body 3, still including actuating mechanism 5 and swing 6.
One side of filter assembly 4 is provided with articulated elements 7, and articulated elements 7 are used for connecting the one end of compressing body 2 and the one end of carrying body 3, and filter assembly 4's opposite side is provided with retaining member 8, and retaining member 8 is used for fixing compressing body 2 and carrying body 3.
The output end of the actuating mechanism 5 is provided with a pushing part 501, the pushing part 501 is located in the compression pipe body 2, and the actuating mechanism 5 is driven to move through the swinging part 6, so that the pushing part 501 can reciprocate in the compression pipe body 2.
In one embodiment of the invention, when the device is used, the swinging piece 6 is manually held by hand to move, so that the actuating mechanism 5 reciprocates to realize pressurization of the culture solution in the compression pipe body 2, and the culture solution enters the conveying pipe body 3 through the filtering component 4, firstly, the swinging driving mode is labor-saving compared with a transmission pushing mode, fatigue of experimenters after repeated operation is avoided, and the filtering component 4 in the middle can be conveniently detached due to the rotary hinged mode of the compression pipe body 2 and the conveying pipe body 3, and the cleaning and replacing work can be quickly finished.
In an embodiment of the present invention, the hinge member 7 includes two turning frames respectively fixed to the compression tube 2 and the delivery tube 3, the turning frames at two sides are rotatably connected to each other, so as to conveniently open or fold the delivery tube 3 and the compression tube 2, the locking member 8 can be in a locking manner for fixing the compression tube 2 and the delivery tube 3 and fixing and clamping the filter assembly 4 therebetween, and the pushing plate can be a circular plate attached to an inner wall of the compression tube 2, and the circular plate axially moves in the compression tube 2 to pressurize the culture solution and accelerate the culture solution to pass through the filter assembly 4.
As shown in fig. 2 and 3, as a preferred embodiment of the present invention, the base 1 is provided with clamping plates 9 at intervals, the outer portions of the compression pipe body 2 and the delivery pipe body 3 are fixed with ring members 10, and the compression pipe body 2 and the delivery pipe body 3 are fixed on the base 1 by the cooperation of the ring members 10 and the clamping plates 9.
In the one aspect of this embodiment, open cardboard 9 upper end has the semicircle draw-in groove, and ring 10 then sets up at compression body 2, the outside a pair of solid fixed ring of conveying body 3 for the interval, through the cooperation of semicircle draw-in groove with solid fixed ring, can be with the fixed joint of compression body 2 and conveying body 3 on cardboard 9, can prevent to receive external force moreover and carry out axial displacement, also can conveniently lift compression body 2, filter assembly 4 and conveying body 3 holistic simultaneously off.
As shown in fig. 1, as another preferred embodiment of the present invention, a first container 11 is disposed on a side surface of the base 1, a first pipe 12 communicated with the side surface of the compression pipe body 2 is fixed on the side surface of the compression pipe body, the other end of the first pipe 12 is located in the first container 11, a second container 13 is disposed on a side surface of the base 1, a second pipe 14 communicated with the end surface of the conveying pipe body 3 is fixed on the end surface of the conveying pipe body, and the other end of the second pipe 14 is located in the second container 13.
In a case of this embodiment, first pipe fitting 12 and second pipe fitting 14 all adopt the hose, the junction of first pipe fitting 12 and compression body 2 is located the side of compression body 2, can change the pressure in the compression body 2 through the removal of impeller 501, thereby in pumping the culture solution in the first container 11 to the compression body 2, be provided with the one-way valve who restricts the circulation on first pipe fitting 12, when impeller 501 compresses, the culture solution can not flow back to in the first container 11, and the interior filtered culture solution of conveying body 3 gets into the interior storage of second container 13 through second pipe fitting 14.
As shown in fig. 2 and 4, as another preferred embodiment of the present invention, the filter assembly 4 includes a sleeve 401 having two ends respectively connected to one end of the conveying pipe 3 and one end of the compression pipe 2, and a filter membrane 402 is fixed in the sleeve 401.
As shown in fig. 4, the end surface of the sleeve 401 is provided with a circumferential groove 403, the width of the circumferential groove 403 is larger than the wall thickness of the delivery pipe body 3 and the compression pipe body 2, and the bottom of the circumferential groove 403 is provided with a gasket 404.
In one aspect of this embodiment, the sleeve 401 may be a thick-walled sleeve, and the sleeve can be clamped with the end faces of the conveying pipe body 3 and the compression pipe body 2 through the circumferential groove 403, and the gasket 404 may be a rubber sealing ring, and when the conveying pipe body 3 or the compression pipe body 2 is clamped in the circumferential groove 403, the rubber sealing ring can be pressed, and the sealing performance of the joint of the conveying pipe body and the compression pipe body is ensured.
As shown in fig. 5, as another preferred embodiment of the present invention, the actuating mechanism 5 includes a pushing member 501 located in the compression pipe body 2, a rod member 502 is fixed on one side of the pushing member 501, the other end of the rod member 502 is located outside the compression pipe body 2, a support 503 is disposed on the base 1, the rod member 502 is slidably connected to the support 503, an elastic member 504 is disposed in the support 503, and after the swinging member 6 drives the rod member 502 to move axially, the elastic member 504 is used for restoring the rod member 502.
In one aspect of this embodiment, the rod 502 may be a straight rod, the straight rod is slidably connected to the bracket 503, a baffle ring is fixed in the middle of the straight rod, the elastic member 504 may be a spring, one end of the spring is fixed on the baffle ring, and the other end of the spring is fixed on the bracket 503, when the swinging member 6 swings, the straight rod can be pushed to move, the pushing member 501 is driven to move towards the filter assembly 4 side in the compression tube 2, so as to squeeze the culture solution, and when the swinging member 6 is not manually operated, the rod 502 resets under the action of the spring, and at this time, the negative pressure in the compression tube 2 can autonomously extract the culture solution from the first container 11 through the hose.
As shown in fig. 5, as another preferred embodiment of the present invention, one end of the rod member 502 facing the swinging member 6 is provided with a top block 505, the rod member 502 contacts with the swinging member 6 through the top block 505 at the end, because of the moving path of the swinging member 6, the direct contact with the rod member 502 can generate a large impact, and one side of the top block 505 facing the swinging member 6 is of an arc structure, so that the swinging member 6 contacts with the top block 505 more smoothly during the movement, and the movement process thereof is smoother.
As shown in fig. 3, as another preferred embodiment of the present invention, the swinging member 6 includes a swinging rod 601 rotatably connected to the base 1, the swinging rod 601 swings along the length direction of the rod 502, and a limiting member 15 is disposed on a side of the swinging rod 601 on the base 1, which is away from the rod 502.
In one case of this embodiment, the limiting member 15 may be a baffle fixed on the base 1, and the baffle can provide a limiting position for the swinging rod 601 when swinging away from the rod 502, so that the swinging rod 601 can swing within a moving range, which is convenient for manual operation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The alkaline microorganism culture solution concentration and filtration device comprises a base, wherein a compression pipe body and a conveying pipe body are arranged on the base, and the alkaline microorganism culture solution concentration and filtration device is characterized in that a filtration assembly is arranged between the compression pipe body and the conveying pipe body, and the alkaline microorganism culture solution concentration and filtration device also comprises an actuating mechanism and a swinging piece;
one side of the filtering assembly is provided with an articulated piece, the articulated piece is used for connecting one end of the compression pipe body with one end of the conveying pipe body, the other side of the filtering assembly is provided with a locking piece, and the locking piece is used for fixing the compression pipe body and the conveying pipe body;
the output end of the actuating mechanism is provided with a pushing piece, the pushing piece is located in the compression pipe body and attached to the inner wall of the compression pipe body, and the oscillating piece drives the actuating mechanism to move so as to realize reciprocating motion of the pushing piece in the compression pipe body.
2. The apparatus as claimed in claim 1, wherein the base is provided with a plurality of fastening plates at intervals, the compressing tube and the transporting tube are fixed with a ring at the outside, and the compressing tube and the transporting tube are fixed on the base by the cooperation of the ring and the fastening plates.
3. The apparatus as claimed in claim 1, wherein the base is provided with a first container at a side thereof, the compression tube is fixed at a side thereof with a first tube communicating therewith, and the other end of the first tube is located in the first container.
4. The apparatus as claimed in claim 1, wherein the base is provided with a second container at a side thereof, the end surface of the conveying pipe is fixed with a second pipe connected thereto, and the other end of the second pipe is located in the second container.
5. The apparatus as claimed in claim 1, wherein the filter assembly comprises a casing member having two ends connected to one end of the delivery tube and one end of the compression tube, respectively, and a filter membrane is fixed in the casing member.
6. The apparatus as claimed in claim 5, wherein the end face of the sleeve is provided with a circumferential groove having a width larger than the wall thickness of the delivery tube and the compression tube, and a gasket is provided at the bottom of the circumferential groove.
7. The apparatus of claim 1, wherein the actuator comprises a pushing member disposed in the compression tube, a rod member is fixed to one side of the pushing member, the other end of the rod member is disposed outside the compression tube, a bracket is disposed on the base, the rod member is slidably connected to the bracket, an elastic member is disposed in the bracket, and the elastic member is used for restoring the rod member after the oscillating member drives the rod member to move axially.
8. The apparatus as claimed in claim 7, wherein the rod member is provided with a top block at an end thereof facing the swing member, and the rod member is in contact with the swing member through the top block at the end.
9. The apparatus as claimed in claim 7, wherein the swing member comprises a swing link pivotally connected to the base, the swing link swinging along a length of the lever member.
10. The apparatus of claim 9, wherein a position-limiting member is disposed on the base at a side of the swing link away from the rod.
CN202111206682.8A 2021-10-18 2021-10-18 Alkaline microorganism culture solution concentration and filtration device Pending CN113634125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111206682.8A CN113634125A (en) 2021-10-18 2021-10-18 Alkaline microorganism culture solution concentration and filtration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111206682.8A CN113634125A (en) 2021-10-18 2021-10-18 Alkaline microorganism culture solution concentration and filtration device

Publications (1)

Publication Number Publication Date
CN113634125A true CN113634125A (en) 2021-11-12

Family

ID=78427146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111206682.8A Pending CN113634125A (en) 2021-10-18 2021-10-18 Alkaline microorganism culture solution concentration and filtration device

Country Status (1)

Country Link
CN (1) CN113634125A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188872A (en) * 1984-10-09 1986-05-07 Snow Brand Milk Prod Co Ltd Method and apparatus for continuous cultivation at high concentration
US20040168980A1 (en) * 2002-01-04 2004-09-02 Musale Deepak A. Combination polymer treatment for flux enhancement in MBR
CN202032221U (en) * 2011-04-27 2011-11-09 昆明普尔顿管业有限公司 Insertion type pipeline joint
CN203267254U (en) * 2013-05-28 2013-11-06 新乡职业技术学院 Compression device for beverage can
WO2017029733A1 (en) * 2015-08-19 2017-02-23 三菱化学エンジニアリング株式会社 Biological reaction device, and biological reaction method using said biological reaction device
CN107825742A (en) * 2017-12-07 2018-03-23 成都华西天然药物有限公司 A kind of biological enzyme purification waste collecting device
CN207159211U (en) * 2016-08-02 2018-03-30 智水科技有限公司 Microculture thickening filtration system
CN109973733A (en) * 2019-05-16 2019-07-05 贵州大学 A kind of mining liquid carbon dioxide conveying device
CN212056271U (en) * 2020-03-03 2020-12-01 埃飞灵卫浴科技集团有限公司 Water pipe quick connector
CN212142139U (en) * 2020-05-12 2020-12-15 泸州众康农业检测有限公司 Laboratory is with device of supplementary organic phase of separation

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188872A (en) * 1984-10-09 1986-05-07 Snow Brand Milk Prod Co Ltd Method and apparatus for continuous cultivation at high concentration
US20040168980A1 (en) * 2002-01-04 2004-09-02 Musale Deepak A. Combination polymer treatment for flux enhancement in MBR
CN202032221U (en) * 2011-04-27 2011-11-09 昆明普尔顿管业有限公司 Insertion type pipeline joint
CN203267254U (en) * 2013-05-28 2013-11-06 新乡职业技术学院 Compression device for beverage can
WO2017029733A1 (en) * 2015-08-19 2017-02-23 三菱化学エンジニアリング株式会社 Biological reaction device, and biological reaction method using said biological reaction device
CN207159211U (en) * 2016-08-02 2018-03-30 智水科技有限公司 Microculture thickening filtration system
CN107825742A (en) * 2017-12-07 2018-03-23 成都华西天然药物有限公司 A kind of biological enzyme purification waste collecting device
CN109973733A (en) * 2019-05-16 2019-07-05 贵州大学 A kind of mining liquid carbon dioxide conveying device
CN212056271U (en) * 2020-03-03 2020-12-01 埃飞灵卫浴科技集团有限公司 Water pipe quick connector
CN212142139U (en) * 2020-05-12 2020-12-15 泸州众康农业检测有限公司 Laboratory is with device of supplementary organic phase of separation

Similar Documents

Publication Publication Date Title
CN113634125A (en) Alkaline microorganism culture solution concentration and filtration device
JP5722581B2 (en) Disposable pump head
CN110252757B (en) Clean processing apparatus of experiment culture dish submergence formula
CN113577882B (en) Online lubricating oil filtering device
TW200630543A (en) A fluid transfer pump
CN208436874U (en) A kind of super-clean bench with automatic cleaning function
CN213506250U (en) Reverse osmosis device for industrial sewage
CN214004325U (en) Integrated sewage treatment equipment
CN113230713A (en) Wastewater filtering equipment for chemical plant
CN110946295B (en) Intelligent cleaning, peeling and seed removing system for wine brewing
CN210121376U (en) Separator for chemical industry experiments
CN111870719A (en) Clinical laboratory covers formula sterilizing equipment
CN218281018U (en) V-shaped chemical filter capable of effectively increasing contact area
CN218116266U (en) Clean surplus water utilization equipment of special work car
CN212119145U (en) Gas storage device of pneumatic vibrating plate and corresponding vibrating type plate pulling trolley
CN213387909U (en) Hand formula pressure boost water purification system
CN213097631U (en) Water liquid self-mixing foaming device
CN209537117U (en) A kind of pure water manufacturing equipment reverse osmosis unit
CN101590300A (en) Manual negative pressure aspirator
CN211059386U (en) Full-sealed U-shaped pneumatic gate valve
CN212651635U (en) Medicament film washing device
CN213694848U (en) Large-scale liquid manure all-in-one
CN215224222U (en) Pesticide dilution spray set
CN211726841U (en) Cleaning device of mechanical equipment
CN218392817U (en) Cleaning and sterilizing device for air port filter screen

Legal Events

Date Code Title Description
RJ01 Rejection of invention patent application after publication

Application publication date: 20211112