CN215170618U - Oil-free vacuum pumping and filtering pump and microorganism limit filtering system - Google Patents
Oil-free vacuum pumping and filtering pump and microorganism limit filtering system Download PDFInfo
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- CN215170618U CN215170618U CN202120491962.7U CN202120491962U CN215170618U CN 215170618 U CN215170618 U CN 215170618U CN 202120491962 U CN202120491962 U CN 202120491962U CN 215170618 U CN215170618 U CN 215170618U
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- filter
- pump
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- oil
- filter tube
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- 238000001914 filtration Methods 0.000 title claims abstract description 36
- 238000005086 pumping Methods 0.000 title claims abstract description 9
- 244000005700 microbiome Species 0.000 title abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 86
- 239000012528 membrane Substances 0.000 claims description 38
- 230000000813 microbial effect Effects 0.000 claims description 15
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 238000003828 vacuum filtration Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000003584 silencer Effects 0.000 claims 1
- 238000000967 suction filtration Methods 0.000 abstract description 4
- 230000008676 import Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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Abstract
The utility model discloses an oil-free vacuum pumping filter pump and microorganism limit filtration system, which comprises a pump main body and a gas-liquid separator, wherein the pump main body is arranged as an oil-free vacuum pump, the pump main body comprises an oil-free motor, a pump cavity, blades and a pump shell, and the pump cavity is provided with an air inlet and an air outlet; the gas outlet of the gas-liquid separator is connected with the gas inlet of the pump cavity. The utility model provides an oilless vacuum suction filtration pump reaches microorganism limit filtration system including oilless vacuum suction filtration pump, and its pump chamber import is provided with vapour and liquid separator, can effectively keep apart inside liquid and steam get into the pump body.
Description
Technical Field
The utility model relates to a microbial filtration technical field, more specifically say, relate to an oil-free vacuum suction filtration pump and microorganism limit filtration system.
Background
As shown in fig. 1, a conventional microbial limit detector or a conventional filtering system includes a filter bowl, a filter membrane, a filter tube, a liquid collecting bottle, and an air pump, wherein the air pump is generally a vacuum pump, and the vacuum pump is connected to the liquid collecting bottle to provide negative pressure to the liquid collecting bottle, so that the liquid flows into the filter tube through the filter bowl and then enters the liquid collecting bottle. In the use, drive liquid flow through extracting gas, have liquid or steam to get into the vacuum pump easily, influence the normal use and the life-span of vacuum pump.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oilless vacuum suction filtration pump, its pump line front end is provided with vapour and liquid separator, can effectively keep apart inside liquid and steam get into the pump body. The utility model aims at providing a microorganism limit filtration system including above-mentioned oil-free vacuum filtration pump still.
In order to achieve the purpose, the utility model provides an oil-free vacuum pumping and filtering pump, which comprises a pump main body and a gas-liquid separator, wherein the pump main body is arranged as an oil-free vacuum pump, the pump main body comprises an oil-free motor, a pump cavity, blades and a pump shell, and the pump cavity is provided with an air inlet and an air outlet; and the gas outlet of the gas-liquid separator is connected with the gas inlet of the pump cavity.
Preferably, still including the muffler, the muffler is provided with two, and all with the oil-free motor is connected.
Preferentially, the material of pump case sets up to the aluminum alloy, be equipped with on the pump case with the heat dissipation region that the oilless motor set up relatively, a plurality of louvres distribute in the heat dissipation region.
The utility model also provides a microorganism limit filter membrane filter equipment, including filter bowl, filter membrane, collection liquid bottle and chimney filter, the filter bowl with the first end of chimney filter is connected and makes through rotation or sliding structure the filter bowl with the chimney filter lid closes or the dislocation separation mutually, the filter membrane is located the filter bowl with between the first end of chimney filter, the filter membrane with the bottom detachably of filter bowl is connected or can be dismantled the ground and lay the first end of chimney filter, the second end of chimney filter with the inlet of collection liquid bottle links to each other, the top of collection liquid bottle be provided with the extraction opening and through the trachea with gas-liquid separator's import is connected, be provided with the valve that is used for switching on or cuts on the chimney filter.
Preferably, a rotating clamp is arranged between the filter bowl and the filter tube and comprises two clamping plates, the two clamping plates are respectively connected with the filter bowl and the filter tube and are provided with liquid passing holes for liquid to pass through, and one sides of the two clamping plates are hinged through a hinge shaft and rotate along the radial direction of the filter tube.
Preferably, the splint is provided with a placing groove for the filter membrane to connect, the placing groove is annular and is sleeved outside the liquid passing hole, and a sealing ring is arranged between the filter membrane and the liquid passing hole.
Preferably, the filter membrane is provided as a perforated plate, and the filter holes on the filter membrane are uniformly distributed.
Preferably, the liquid filter comprises a liquid outlet pipe and a base, the filter pipe is vertically arranged, the liquid outlet pipe is arranged on the base and is connected with the second end of the filter pipe and the liquid inlet of the liquid collecting bottle, and the filter cup, the filter membrane, the filter pipe, the rotating clamp and the liquid outlet pipe are all made of stainless steel materials.
Preferably, the filter tube is vertically arranged, and a valve for conducting or cutting off is arranged on the filter tube.
Preferably, the filter bowl and the filter tube are detachably connected with the corresponding clamping plate, and the filter tube is detachably connected with the liquid outlet tube; and sealing rings are arranged at the joints between the filter tube and the clamping plate and between the filter tube and the liquid outlet pipe.
In the technical scheme provided by the utility model, the air pump used in the microorganism limit filtering system is set as an oil-free vacuum pump, an oil-free motor is used, the whole pump body is completely oil-free, the pollution is effectively prevented, and the purity of the liquid is ensured; meanwhile, the gas-liquid separator is additionally arranged at the inlet of the pump cavity on the pump main body, so that liquid or water vapor and the like are effectively prevented from entering the pump main body, the normal use of the oil-free vacuum pumping and filtering pump is ensured, and the service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 a microbial limit detector of the prior art;
FIG. 2 is a schematic structural view of an oil-free vacuum suction pump in the embodiment of the present invention;
FIG. 3 is a schematic diagram of a microbial limit filtration system in an embodiment of the present invention.
In fig. 1-3:
1. a filter bowl; 2. a liquid collecting bottle; 3. a filter tube; 4. rotating the clamp; 41. a splint; 42. rotating the handle; 5. a liquid outlet pipe; 6. a pump body; 7. a gas-liquid separator; 8. a heat dissipation area.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An object of this embodiment is to provide an oil-free vacuum filtration pump, its pump line front end is provided with vapour and liquid separator, can effectively keep apart inside liquid and steam gets into the pump body. It is also an object of this embodiment to provide a microbial limit filtration system comprising the oil-free vacuum filtration pump described above.
Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 2-3, the oil-free vacuum filtration pump provided in this embodiment is suitable for microbial limit detection or filtration of liquid, and includes a pump main body 6 and a gas-liquid separator, where the pump main body 6 is an oil-free vacuum pump, that is, the prior art does not include any oil-containing grease, and the pump main body 6 includes an oil-free motor, a pump cavity, blades, and a pump casing, and the pump cavity is provided with an air inlet and an air outlet; the gas outlet of the gas-liquid separator is connected with the gas inlet of the pump cavity. According to the arrangement, on one hand, the air pump responsible for providing the liquid power is set as an oil-free vacuum pump, and an oil-free motor is used, so that the whole pump main body 6 is completely oil-free, environment-friendly and sanitary, pollution is effectively prevented, and the purity of liquid is ensured; on the other hand, the pump cavity inlet of the pump body 6 is additionally provided with the gas-liquid separator, so that liquid or water vapor and the like are effectively prevented from entering the pump body 6, the normal use of the oil-free vacuum filtration pump is ensured, and the service life is prolonged.
Microbial limit detection is typically performed in laboratories, which have stringent requirements for noise. Therefore, in this embodiment, still including the muffler on the oil-free vacuum filtration pump, and the muffler is provided with two, and two mufflers all set up in the pump case, and all are connected with oil free motor. Therefore, the noise reduction effect can be enhanced, the power is muted, and the practicability and the comfort of the laboratory use are enhanced.
The motor of the oil-free vacuum pumping and filtering pump is positioned in the pump shell, and the heat dissipation performance is always an important index. As shown in fig. 2, in this embodiment, the pump case is made of aluminum alloy, and the pump case is provided with a large-area heat dissipation area 8, and heat dissipation holes are distributed throughout the heat dissipation area 8 to improve heat dissipation. There may be one heat dissipation area 8 aligned with the motor, or there may be two heat dissipation areas 8, one on each side wall of the pump housing.
In this embodiment, as shown in fig. 2, the oil-free vacuum filtration pump is further provided with a pressure display meter, and may be further provided with a pressure regulator to specifically regulate the pressure according to the use requirement.
The embodiment also provides a microorganism limit filtering system, which comprises a filtering part for filtering liquid, such as a filter bowl 1, a filter membrane, a liquid collecting bottle 2 and a filter tube 3; the oil-free vacuum pumping and filtering device further comprises an oil-free vacuum pumping and filtering pump as described in any one of the embodiments, the filter bowl 1 is connected with the first end of the filter tube 3, the filter membrane is located between the first ends of the filter bowl 1 and the filter tube 3, the second end of the filter tube is connected with the liquid inlet of the liquid collecting bottle 2, the top end of the liquid collecting bottle 2 is further provided with an air suction opening, and the air suction opening is connected with the air inlet of the gas-liquid separator through an air pipe. So set up, this microorganism limit filtration system has the environmental protection health, and the device does not have oil, clean, can prevent effectively that liquid or steam etc. from getting into in the pump main part, guarantees the normal use of oil-free vacuum filtration pump, advantages such as long service life. The derivation process of the beneficial effect is basically the same as the derivation process of the beneficial effect of the oil-free vacuum filtration pump, and the details are not repeated here.
Specifically, the present embodiment further provides a specific structure of the filtering part of the microbial limit filtering system, as shown in fig. 3, a rotating or sliding structure is provided between the filter bowl 1 and the first end of the filter tube 3 to connect the two, and the filter bowl 1 and the filter tube 3 can be relatively aligned and covered or dislocated and separated by the rotating or sliding structure; the filter membrane is positioned between the filter bowl 1 and the first end of the filter tube 3, and the filter membrane is detachably connected with the bottom of the filter bowl 1 or detachably paved at the first end of the filter tube 3. So set up, cover closing well when making filter bowl 1 and chimney filter 3, can carry out filtering operation, make filter bowl 1 and chimney filter 3 dislocation separation, can show the filter membrane, it can to directly press from both sides the filter membrane of getting. The whole process is convenient and fast to operate, the position change operation of the filter bowl 1 and the filter tube 3 can be completed by one hand, and the filter membrane can be clamped conveniently and fast, so that the use is very convenient; and the filter bowl 1 does not need to be picked up and installed repeatedly, so that the operation is simple and convenient, and the filter bowl 1 can be prevented from deforming to cause liquid leakage from the connection part.
As shown in fig. 3, the filter tube 3 is vertically arranged, and a valve for opening or closing is arranged on the filter tube 3. And the second end of the filter tube 3 is connected with a liquid outlet tube 5, meanwhile, the filter part is also provided with a base 9 to play a role in balancing and supporting, and the liquid outlet tube 5 is connected on the base 9.
The filter bowl 1 and the filter tube 3 can be of a sliding structure, for example, one of the filter bowl and the filter tube is provided with a slide rail extending along the radial direction, and the other filter bowl is connected with the slide rail and slides along the slide rail, so that the positions of the filter bowl and the filter tube can be changed. Or, be the revolution mechanic between filter bowl 1 and filter tube 3, as shown in fig. 3, specifically can be provided with and rotate clamp 4, rotate clamp 4 and include two splint 41, two splint 41 are connected with filter bowl 1 and filter tube 3 respectively and all are provided with the liquid through hole that supplies liquid to pass, and two splint 41 are range upon range of and are laid, pass through the articulated axle at one side of two splint 41 and articulate, and two splint 41 rotate along the radial of filter tube 3. Thus, by rotating one clamp plate 41, the filter bowl 1 and the filter tube 3 can be separated and the filter membrane can be exposed, which is very convenient for clamping.
The rotating clamp 4 is also provided with a rotating handle 42, and the rotating handle 42 and the clamping plate 41 are respectively arranged at two sides of the hinge shaft. The rotating handle 42 is pressed, the clamping plate 41 can rotate, one hand can complete the operation, the other hand clamps the filter membrane, then the rotating clamp 4 can be quickly closed, and the situation that the filter tube 3 is too long in opening time and enters impurities can be prevented. As shown in fig. 3, the two clamping plates 41 are flat plates, the hinge shaft is connected to one side of the two clamping plates 41, and the rotating handle 42 is formed by two inclined plates which are connected to the two clamping plates 41 in a one-to-one correspondence and are arranged at an included angle.
Considering that it is more convenient to press from both sides and get the filter membrane, the filter membrane sets up on splint 41 that is connected with chimney 3, is provided with the standing groove that supplies the filter membrane to connect on this splint 41, and the standing groove is the annular and overlaps and establish in crossing the liquid hole outside. So, the filter membrane is put into the standing groove and can directly be laid and cover the liquid hole, when pressing from both sides, directly stretch into the standing groove with tweezers and press from both sides and get can.
In order to prevent liquid from flowing outwards during filtration, a sealing ring is arranged between the filter membrane and the liquid passing hole, the sealing ring can surround the circular filter membrane, the inner diameter of the sealing ring is smaller than the pore diameter of the liquid passing hole, and when the filter membrane is laid on the liquid passing hole, the sealing ring can seal the liquid passing hole; alternatively, the sealing ring may be located in the placement groove and attached to the wall of the placement groove adjacent to the annulus.
In the prior art, common filter membranes are all made of sintered plates, so that filter pores are not uniformly distributed, the filter effect is influenced, and the cost is high. In order to solve the problem, in the embodiment, the filter membrane is formed by a punching plate, filter holes on the filter membrane are uniformly distributed, the filter effect is good, the microorganism detection is facilitated, and the cost is lower than that of a sintering plate, so that the micro-organism detection device is more practical.
Meanwhile, the filter cup 1, the filter membrane, the filter tube 3, the rotating clamp 4 and the liquid outlet tube 5 are all made of stainless steel materials, and rustiness is effectively prevented. The entire device may use 316L food grade stainless steel, taking into account the filtering scenario of the edible liquid.
Furthermore, the filter bowl 1 and the filter tube 3 are detachably connected with the corresponding clamping plate 41, and the filter tube 3 is detachably connected with the liquid outlet pipe 5. The filter bowl 1 and the clamping plate 41 can be in threaded connection, the filter tube 3 and the clamping plate 41 can also be in threaded connection, and the filter tube 3 and the liquid inlet tube are in threaded connection. Therefore, each component of the whole device can be disassembled, the cleaning is very facilitated, and the reassembly after the cleaning is very convenient.
In the preferred scheme of this embodiment, the joints between the filter tube 3 and the clamping plate 41 and between the filter tube 3 and the liquid outlet tube 5 are provided with sealing rings. So set up, can guarantee good leakproofness, keep clean and tidy of whole device.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the invention comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An oil-free vacuum pumping and filtering pump is characterized by comprising a pump main body (6) and a gas-liquid separator (7), wherein the pump main body (6) is set to be an oil-free vacuum pump, the pump main body (6) comprises an oil-free motor, a pump cavity, blades and a pump shell, and the pump cavity is provided with an air inlet and an air outlet; and the gas outlet of the gas-liquid separator (7) is connected with the gas inlet of the pump cavity.
2. An oil-free vacuum pump as claimed in claim 1, further comprising two silencers, each silencer being connected to the oil-free motor.
3. An oil-free vacuum filtration pump as claimed in claim 1, wherein the pump casing is made of aluminum alloy, the pump casing is provided with a heat dissipation area (8) disposed opposite to the oil-free motor, and a plurality of heat dissipation holes are distributed in the heat dissipation area (8).
4. A microbial limit filtration system comprising an oil-free vacuum filtration pump of any of claims 1-3.
5. The microbial limit filtration system of claim 4, further comprising a filter bowl (1), a filter membrane, a collector flask (2), and a filter tube (3), the filter bowl (1) is connected with the first end of the filter tube (3) through a rotating or sliding structure, and the filter bowl (1) and the filter tube (3) are covered or separated in a staggered way, the filter membrane is positioned between the filter bowl (1) and the first end of the filter tube (3), the filter membrane is detachably connected with the bottom of the filter cup (1) or detachably paved at the first end of the filter tube (3), the second end of the filter tube is connected with the liquid inlet of the liquid collecting bottle (2), the top end of the liquid collecting bottle (2) is provided with an air suction opening and is connected with the inlet of the gas-liquid separator through an air pipe, and the filter tube (3) is provided with a valve for conducting or cutting off.
6. The microbial limit filtration system of claim 5, wherein a rotating clamp (4) is arranged between the filter bowl (1) and the filter tube (3), the rotating clamp (4) comprises two clamping plates (41), the two clamping plates (41) are respectively connected with the filter bowl (1) and the filter tube (3) and are respectively provided with a liquid passing hole for liquid to pass through, and one side of the two clamping plates (41) is hinged through a hinge shaft and rotates along the radial direction of the filter tube (3).
7. The microbial limit filtration system of claim 6, wherein the clamping plate (41) is provided with a placement groove for connecting the filter membrane, and the placement groove is annular and is sleeved outside the liquid passing hole; and a sealing ring is arranged between the filter membrane and the liquid passing hole.
8. The microbial limit filtration system of claim 5, wherein the filter membrane is formed using a perforated plate, and wherein the filter pores of the filter membrane are uniformly distributed.
9. The microbial limit filtration system of claim 6, further comprising a liquid outlet pipe (5) and a base, wherein the filter tube (3) is vertically arranged, the liquid outlet pipe (5) is arranged on the base and is connected with the second end of the filter tube (3) and the liquid inlet of the liquid collecting bottle (2), and the filter cup (1), the filter membrane, the filter tube (3), the rotating clamp (4) and the liquid outlet pipe (5) are all made of stainless steel.
10. -a microbial limit filtration system as claimed in claim 9 wherein the filter bowl (1) and the filter tube (3) are each removably connected to the corresponding clamp plate (41), the filter tube (3) being removably connected to the outlet pipe (5); the joints between the filter tubes (3) and the clamping plates (41) and between the filter tubes (3) and the liquid outlet pipes (5) are provided with sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120491962.7U CN215170618U (en) | 2021-03-08 | 2021-03-08 | Oil-free vacuum pumping and filtering pump and microorganism limit filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120491962.7U CN215170618U (en) | 2021-03-08 | 2021-03-08 | Oil-free vacuum pumping and filtering pump and microorganism limit filtering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170618U true CN215170618U (en) | 2021-12-14 |
Family
ID=79414354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120491962.7U Expired - Fee Related CN215170618U (en) | 2021-03-08 | 2021-03-08 | Oil-free vacuum pumping and filtering pump and microorganism limit filtering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215170618U (en) |
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2021
- 2021-03-08 CN CN202120491962.7U patent/CN215170618U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |