CN113289379B - Soybean lecithin adsorbs stirring purification equipment - Google Patents
Soybean lecithin adsorbs stirring purification equipment Download PDFInfo
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- CN113289379B CN113289379B CN202110670157.5A CN202110670157A CN113289379B CN 113289379 B CN113289379 B CN 113289379B CN 202110670157 A CN202110670157 A CN 202110670157A CN 113289379 B CN113289379 B CN 113289379B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/02—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor with moving adsorbents
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/09—Esters of phosphoric acids
- C07F9/10—Phosphatides, e.g. lecithin
- C07F9/103—Extraction or purification by physical or chemical treatment of natural phosphatides; Preparation of compositions containing phosphatides of unknown structure
Abstract
The invention relates to the technical field of soybean phospholipid purification, and particularly discloses soybean phospholipid adsorption, stirring and purification equipment; the stirring and purifying device comprises a rack, a solution storage tank and a stirring and purifying tank, wherein a sealing bearing is arranged at the center of the upper surface of the stirring and purifying tank, the sealing bearing is connected with a hollow rotating shaft extending into the stirring and purifying tank, the outer circle surface of the hollow rotating shaft is provided with a plurality of strip-shaped openings in an annular array, the hollow rotating shaft positioned outside each strip-shaped opening is connected with a stirring blade frame, the front side and the rear side of each stirring blade frame are both connected with metal mesh layers, and adsorption particles are arranged in a space formed by the stirring blade frames and the metal mesh layers on the front side and the rear side; although the soybean phospholipid adsorption, stirring and purification equipment disclosed by the invention is simple in structure and arrangement, the soybean phospholipid adsorption, stirring and purification equipment has an excellent purification effect on soybean phospholipid, is convenient to operate and has strong practicability.
Description
Technical Field
The invention relates to the technical field of soybean phospholipid purification, and particularly discloses soybean phospholipid adsorption, stirring and purification equipment.
Background
The soybean lecithin is lecithin extracted from soybean oil residues as a raw material, contains choline, vitamins, mineral substances, linolenic acid and other components, wherein the choline is a main component of the soybean lecithin and is also a necessary nutrient for human bodies, has the functions of emulsifying property, oxidation resistance, cholesterol reduction, blood fat regulation and the like, has the nutritional and health-care functions of delaying senility, enhancing memory, preventing cardiovascular and cerebrovascular diseases and the like, and is widely applied to the industries of food, cosmetics, feed and the like at present.
The purification of the soybean phospholipids is a very important step in the preparation process, and the quality of the prepared soybean phospholipids is determined to the maximum extent. The traditional soybean phospholipid purification process mainly comprises a column chromatography method and an adsorbent adsorption purification method, wherein the two purification processes are both used for adsorbing pigments and residual oil in the soybean phospholipid in an adsorbent adsorption mode, so that a product with higher phosphatidylcholine content is obtained. The column chromatography is to purify the soybean phospholipid solution by passing the soybean phospholipid solution through an adsorption column, and the purification effect of the soybean phospholipid solution is limited due to the fact that the soybean phospholipid solution has high flow speed and short contact time with adsorbent particles when passing through the adsorption column. The adsorbent adsorption purification method is to put adsorption particles into a stirring tank, and then the solution and the adsorbent particles are stirred together, so that the effect of adsorption purification is improved, the purification effect is better than that of column chromatography, but the adsorption particles can be precipitated at the bottom of the tank, so that the phospholipid solutions on the upper layer and the lower layer cannot be subjected to full contact reaction in the solution, and the adsorption particles easily block a pipeline when the purified solution is discharged after adsorption is completed. Therefore, aiming at the defects of the traditional column chromatography and the adsorbent adsorption purification method, the design of the soybean lecithin adsorption stirring purification equipment with excellent purification effect is a technical problem to be solved.
Disclosure of Invention
The invention aims to design a soybean phospholipid adsorption stirring purification device aiming at the defects of column chromatography and adsorbent adsorption purification method in the background technology for purifying soybean phospholipids.
The invention is realized by the following technical scheme:
the utility model provides a soybean lecithin adsorbs stirring purification equipment, includes solution holding vessel and stirring purification jar, the lower extreme of stirring purification jar is connected with the fluid-discharge tube, be provided with infusion set between solution holding vessel and the stirring purification jar, the upper surface center department of stirring purification jar is connected with the cavity pivot that stretches into in the stirring purification jar through the bearing, the last fixed surface of stirring purification jar is connected with feed bin on the adsorbent, the lower extreme of feed bin is connected with rotates the sleeve pipe of being connected with cavity pivot top on the adsorbent, the upper surface of feed bin is provided with auger motor on the adsorbent, auger motor's pivot lower extreme is connected with the defeated material leaf of auger that stretches into in the cavity pivot, be annular array on the outer disc of the lower extreme of cavity pivot and seted up a plurality of bar mouths, be located every be connected with cavity stirring leaf in the cavity pivot in the bar mouth outside, and cavity stirring leaf comprises stirring leaf limit and front and back side metal mesh layer, the intussuseption of cavity stirring leaf is filled with the adsorbent granule, and the diameter of adsorbent granule is greater than the hole of metal mesh layer, still be provided with the drive arrangement who is used for driving the rotation of cavity pivot on the stirring purification jar.
As a further arrangement of the above scheme, the driving device comprises a driving motor arranged on the upper surface of the stirring and purifying tank, the lower end of the rotating shaft of the driving motor, which extends into the stirring and purifying tank, is connected with a driving gear, and a hollow rotating shaft positioned above the hollow stirring blade is provided with a driven gear engaged with the driving gear; the hollow rotating shaft is engaged by a driving gear of the driving motor and then rotated by the engaging action of the driven gear and the driving gear.
As a further arrangement of the above scheme, the device further comprises a frame, wherein the solution storage tank and the stirring and purifying tank are both fixedly mounted on the frame, the infusion device comprises a liquid pump mounted on the frame, and the liquid inlet end of the liquid pump is connected with the solution storage tank and the liquid outlet end of the liquid pump is connected with the stirring and purifying tank; the setting of its frame can play the stable supporting role to solution holding vessel and stirring purification jar, stops the transport that realizes treating purification soybean lecithin solution through opening of liquid pump.
As a further arrangement of the scheme, a feed inlet is formed in one side surface of the adsorbent feeding bin, a discharge outlet is formed in the adsorbent feeding bin below the feed inlet, a downward-inclined discharge slideway is connected to the discharge outlet, and a sealing partition plate is inserted into the discharge outlet; the design of the discharge port can discharge the particle adsorbent which loses efficacy after multiple times of adsorption, and the feed port is convenient for feeding new particle adsorbent.
As a further arrangement of the above scheme, the device further comprises a protective gas compression tank, wherein the upper end of the protective gas compression tank is connected with a compressed gas pipe communicated with the lower end of the stirring and purifying tank, the compressed gas pipe is provided with a first sealing valve, the upper end of the stirring and purifying tank is connected with a gas outlet pipe, and the gas outlet pipe is provided with a second sealing valve; protective gas is filled into the stirring and purifying tank through the gas protection compression tank, so that the oxidation of the effective components in the soybean lecithin solution by the air in the tank body in the stirring and purifying process is prevented.
In a specific setting, nitrogen or inert gas is stored in the protective gas compression tank, and the specific type of the protective gas is not limited to the above.
When the stirring and purifying tank is arranged specifically, the outer surface of the lower end of the stirring and purifying tank is provided with a jacket layer, and a spiral heating device is arranged in the jacket layer; solution in the stirring process is heated through a spiral heating device, the solubility of the soybean phospholipid coarse material in the solvent is improved, and meanwhile, the solution after temperature rise can be purified and then introduced into vacuum concentration equipment to be quickly evaporated and concentrated.
When the stirring device is specifically arranged, 2 to 4 strip-shaped openings are formed in the hollow rotating shaft, the hollow stirring blades are planar or arc-surface-shaped, and the strip-shaped openings are arranged into vertical strip-shaped or arc-line-shaped shapes corresponding to the planar or arc-surface-shaped hollow stirring blades; the selection of the number of the strip-shaped openings on the specific hollow rotating shaft is determined according to the actual situation, and the shape of the specific hollow stirring blade can be designed according to the actual situation.
When the soybean phospholipid crude liquid is purified, the alumina particles are thrown into the hollow rotating shaft through the feeding port on the adsorbent feeding bin, the auger motor is started, the alumina particles are conveyed to the lower end of the hollow rotating shaft through the auger conveying blade, and when the alumina particles are conveyed to the strip-shaped port, the alumina particles enter the stirring blade space formed by the stirring blade frame and the metal mesh layers on the front side and the rear side through the strip-shaped port.
When the interiors of all the hollow stirring blades are filled with alumina particles, injecting soybean phospholipid crude liquid to be purified in the solution storage tank into the stirring and purifying tank through the liquid pump, opening the first sealing air valve and the second sealing air valve before stirring, enabling compressed nitrogen or inert gas in the protective gas compression tank to enter the stirring and purifying tank, completely discharging air in the solution and the stirring and purifying tank in the upward movement process of the compressed nitrogen, and filling the interior of the tank body with the protective nitrogen at the moment; the first sealing air valve and the second sealing air valve are closed, then the stirring motor is started, the hollow rotating shaft is enabled to rotate in the stirring purification tank through the meshing action of the gears, the soybean phospholipid crude liquid can be fully stirred by the alumina particles in the hollow stirring blade, the soybean phospholipid crude liquid can be fully contacted with large-area alumina particles in the stirring process, and the alumina particles can fully adsorb pigments and residual grease in the crude liquid through the self characteristics; in addition, relative rotation is formed between the spiral conveying blade and the hollow rotating shaft in the rotating process of the hollow rotating shaft, the relative rotation direction of the spiral conveying blade is the same as that in the process of conveying the aluminum oxide particles, the aluminum oxide particles above the stirring blade enter the hollow rotating shaft through the strip-shaped opening, then the spiral conveying blade conveys the aluminum oxide particles downwards, the aluminum oxide particles conveyed downwards are extruded into the lower end of the stirring blade through the strip-shaped opening, and therefore the aluminum oxide particles inside the stirring blade form an up-and-down circulating motion, and therefore all the aluminum oxide particles can fully contact and adsorb the soybean phospholipid crude liquid in the stirring and purifying tank.
After the adsorption and purification are finished, closing the stirring motor, opening a first liquid valve in a liquid discharge pipe, and discharging the purified soybean phospholipid purified liquid to the next procedure for concentration and drying; after all the purified liquid is discharged, the auger motor is reversely started, the sealing partition plate on the discharge port is simultaneously drawn out, and the auger conveying blade reversely conveys the alumina particles in the hollow rotating shaft and the stirring blade upwards, and then the alumina particles are discharged from the discharge port and discharged out of the whole equipment along the discharge slideway.
Has the advantages that:
1) The soybean phospholipid adsorption, stirring and purification equipment disclosed by the invention has the advantages that the adsorbent particles are loaded into the inner cavity of the hollow stirring blade through the hollow rotating shaft, then the hollow rotating shaft is driven to rotate through the motor and the gear, the stirring blade can stir crude liquid to be purified in the rotating process, and the crude liquid can be in all-dimensional contact with all the adsorbent particles in the stirring blade through the metal net layer in the stirring process, so that pigment and residual grease in the soybean phospholipid crude liquid are fully adsorbed in the stirring process; in addition, the spiral conveying leaves of the hollow rotating shaft form relative motion in the rotating process, the up-and-down circular motion of the adsorbent particles in the stirring leaves can be realized, the adsorption of the impurities of the soybean phospholipid crude liquid at different liquid level depths by the adsorbent particles is effectively ensured, the purification effect of the soybean phospholipid solution is greatly improved compared with the existing traditional column chromatography and adsorbent adsorption purification methods, and the quality of the prepared soybean phospholipid product is more excellent.
2) After the soybean phospholipid adsorption stirring purification equipment disclosed by the invention is used for purifying, the packing auger motor is reversely started, and then the packing auger conveying blades reversely rotate, so that the adsorbent particles can be automatically discharged, and the whole purification equipment can realize the automatic replacement of the adsorbent particles; because the adsorbent particles can not penetrate through the metal mesh layer in the whole adsorption and purification process, the adsorbent particles can be ensured not to be doped in the solution when the extraction liquid is discharged after purification is finished, and the liquid discharge pipe can not be blocked; the structure of the whole equipment is simple, but the purification effect on the soybean lecithin is excellent, and the practicability is strong.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view internal plan view of the present invention;
FIG. 2 is a right-view internal plan view of the agitation purification tank of the present invention;
FIG. 3 is an enlarged structural view taken at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic perspective view of the hollow shaft, the stirring blade frame, the metal mesh layer, etc. of the present invention.
Detailed Description
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", and,
The terms "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like, refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 4, in conjunction with examples.
Example 1
A sealing bearing 9 is arranged at the center of the upper surface of the stirring and purifying tank 3, a hollow rotating shaft 10 is rotatably connected to the sealing bearing 9, and the lower end of the hollow rotating shaft 10 extends into the stirring and purifying tank 3. The outer circle surface of the hollow rotating shaft 10 is provided with a plurality of strip-shaped openings 101 in an annular array, 2-4 strip-shaped openings 101 can be arranged when the hollow rotating shaft 10 is arranged, a stirring blade frame 11 is connected to the hollow rotating shaft 10 on the outer side of each strip-shaped opening 101, metal net layers 12 are connected to the front side and the rear side of each stirring blade frame 11, adsorption particles (not shown in the drawing) are arranged in a space formed by the stirring blade frames 11 and the metal net layers 12 on the front side and the rear side, the diameter of the adsorption particles is larger than the pore diameter of the metal net layers 12, and the adsorption particles are specifically selected from alumina particles, and the diameter of the alumina particles is set within the range of 3-5 mm.
The outer circular surface of the hollow rotating shaft 10 above the stirring blade frame 11 is connected with a driven gear 13, the upper surface of the stirring and purifying tank 3 is provided with a stirring motor 14, the end part of the output shaft of the stirring motor 14 extending into the inner cavity of the stirring and purifying tank 3 is connected with a driving gear 15, the driving gear 15 is meshed with the driven gear 13, and the hollow rotating shaft 10 can rotate in the stirring and purifying tank 3 under the driving action of the stirring motor 14 and the transmission action among the gears.
The upper surface of the stirring and purifying tank 3 positioned outside the sealed bearing 9 is connected with a fixed frame 16, the fixed frame 16 is fixedly connected with an adsorbent feeding bin 17, the lower end of the adsorbent feeding bin 17 is connected with a sleeve 171, the inner wall of the sleeve 171 is provided with an inner bearing 172, and then the top end of the hollow rotating shaft 10 is rotatably connected with the inner bearing. An auger motor 18 is arranged on the upper surface of the adsorbent feeding bin 17, the lower end of an output shaft of the auger motor 18 is connected with an auger delivery vane 19 through a coupler, the auger delivery vane 19 extends into the inner cavity of the hollow rotating shaft 10, and a bearing seat connected with the lower end of the auger delivery vane 19 is arranged on the bottom wall of the hollow rotating shaft 10. A feed port 173 is formed in the left side of the adsorbent feeding bin 17, a discharge port 174 is connected to the rear side of the adsorbent feeding bin 17 below the feed port 173, a downward-inclined discharge chute 20 is connected to the discharge port 174, and a first sealing partition plate (not shown) is inserted into the discharge port 174. When the adsorbent in the hollow stirring blade needs to be replaced, the auger motor 18 is started, so that the auger delivery blade 19 rotates reversely in the inner cavity of the hollow rotating shaft, adsorbent particles can be conveyed to the adsorbent feeding bin 17, and then the adsorbent particles are discharged from the discharge port 174 and discharged along the discharge slideway 20.
It should be noted that in the present embodiment 1, the stirring blade composed of the stirring blade frame 11 and the metal mesh layers 12 on the front and rear sides is planar or spiral arc-shaped (similar to the shape of the blade of the fan, not shown in the figure), the strip-shaped opening 101 is a vertical strip-shaped opening when the stirring blade is planar, and the strip-shaped opening 101 opened by the idle shaft 10 is also arc-shaped corresponding to the vertical strip-shaped opening when the stirring blade is spiral arc-shaped.
Example 2
Example 2 discloses a modified soybean phospholipid adsorption stirring purification device based on example 1, and the differences between example 1 and example 2 are specifically described below, except that the differences between example 1 and example 2 are not described again:
in the embodiment 2, a protective gas compression tank 22 is further disposed on the rack 1, compressed nitrogen or inert gas is stored in the protective gas compression, and a compressed gas pipe 23 is connected to an upper end of the protective gas compression tank 22.
An air inlet pipe 24 is connected to the lower end of the stirring and purifying tank 3, the compressed air pipe 23 is connected with the air inlet pipe 24, and a first sealing air valve 25 is arranged on the air inlet pipe 24. The upper end of the stirring and purifying tank 3 is connected with an air outlet pipe 26, and the air outlet pipe 26 is provided with a second sealing air valve 27. The soybean phospholipid solution to be purified is injected into the stirring and purifying tank 3, nitrogen or inert gas in the protective gas compression tank 22 is injected from the lower end of the stirring and purifying tank 3 before stirring, and then air in the stirring and purifying tank 3 is discharged from the air outlet pipe 26, so that the oxidation of effective components in the soybean phospholipid solution by the air in the tank body in the stirring and purifying process can be prevented. In addition, in order to ensure the gas tightness inside the whole agitation purification tank 3 during the agitation adsorption purification process, a second sealing partition 175 is inserted into the feed port 173.
Finally, this embodiment 2 still is provided with the jacket layer (not shown in the figure) at the stirring purification jar 3 surface that is located frame 1 below, is provided with spiral resistance heating wire in the jacket layer, heats the solution of stirring in-process through spiral resistance heating wire, improves the solubility of soybean lecithin coarse fodder in the solvent, and the solution after its intensification is introduced into vacuum concentration equipment after purifying, also can evaporate the concentration fast simultaneously.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a soybean lecithin adsorbs stirring purification equipment, includes solution holding vessel and stirring purification jar, the lower extreme of stirring purification jar is connected with the fluid-discharge tube, be provided with infusion set between solution holding vessel and the stirring purification jar, a serial communication port, the upper surface center department of stirring purification jar is connected with the cavity pivot that stretches into in the stirring purification jar through the bearing, the last fixed surface of stirring purification jar is connected with feed bin on the adsorbent, the lower extreme of feed bin is connected with rotates the sleeve pipe of being connected with cavity pivot top on the adsorbent, the upper surface of feed bin is provided with auger motor on the adsorbent, auger motor's pivot lower extreme is connected with the defeated material leaf of auger that stretches into in the cavity pivot, be annular array on the outer disc of lower extreme of cavity pivot and seted up a plurality of bar mouths, be located every be connected with cavity stirring leaf in the cavity pivot in the bar mouth outside, and cavity stirring leaf comprises stirring leaf limit and front and back side metal mesh layer, the inside packing of cavity stirring leaf has the adsorbent granule, and the diameter of adsorbent granule is greater than metal mesh layer's hole, still be provided with the rotation drive arrangement who is used for driving the cavity pivot on the stirring purification jar.
2. The soybean phospholipid adsorption, stirring and purification equipment as claimed in claim 1, wherein the driving device comprises a driving motor arranged on the upper surface of the stirring and purification tank, a driving gear is connected to the lower end of a rotating shaft of the driving motor, which extends into the stirring and purification tank, and a driven gear meshed with the driving gear is arranged on the hollow rotating shaft above the hollow stirring blade.
3. The soybean phospholipid adsorption, stirring and purification equipment as claimed in claim 1, further comprising a frame, wherein the solution storage tank and the stirring and purification tank are both fixedly mounted on the frame, the infusion device comprises a liquid pump mounted on the frame, and a liquid inlet end of the liquid pump is connected with the solution storage tank and a liquid outlet end of the liquid pump is connected with the stirring and purification tank.
4. The soybean phospholipid adsorption, stirring and purification equipment as claimed in claim 1, wherein a feeding port is formed in one side surface of the adsorbent feeding bin, a discharging port is formed in the adsorbent feeding bin below the feeding port, a downward-inclined discharging slideway is connected to the discharging port, and a sealing partition plate is inserted into the discharging port.
5. The soybean phospholipid adsorption, stirring and purification equipment as claimed in claim 1, further comprising a protective gas compression tank, wherein the upper end of the protective gas compression tank is connected with a compressed gas pipe communicated with the lower end of the stirring and purification tank, the compressed gas pipe is provided with a first sealing valve, the upper end of the stirring and purification tank is connected with a gas outlet pipe, and the gas outlet pipe is provided with a second sealing valve.
6. The soybean phospholipid adsorption, stirring and purification apparatus as defined in claim 5, wherein the protective gas compression tank stores nitrogen or inert gas.
7. The soybean phospholipid adsorption, stirring and purification equipment as claimed in claim 1, wherein the outer surface of the lower end of the stirring and purification tank is provided with a jacket layer, and a spiral heating device is arranged in the jacket layer.
8. The soybean phospholipid adsorption stirring and purification equipment as claimed in claim 1, wherein the number of strip-shaped openings formed in the hollow rotating shaft is 2-4, the hollow stirring blades are planar or arc-surface shaped, and the strip-shaped openings are vertical or arc-line shaped corresponding to the planar or arc-surface shaped hollow stirring blades.
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| CN116924638B (en) * | 2023-09-18 | 2023-12-12 | 潍坊津潍膜材料科技有限公司 | Pre-buried sewage treatment integrated equipment |
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| CN206676186U (en) * | 2017-04-08 | 2017-11-28 | 绿菱电子材料（天津）有限公司 | A kind of small-sized adsorption plant for gas purification |
| CN207805350U (en) * | 2017-10-25 | 2018-09-04 | 樊忠芳 | A kind of indoor formaldehyde remove device |
| CN110182982A (en) * | 2019-06-05 | 2019-08-30 | 广西桂冠电力股份有限公司 | It is a kind of with impurity excess warning device and the water conservancy filter device that is convenient to clean |
| CN210163353U (en) * | 2019-06-21 | 2020-03-20 | 东海县华科环保科技有限公司 | Bio-organic fertilizer deodorization equipment |
| CN210612954U (en) * | 2019-08-10 | 2020-05-26 | 沙洋秦江化工有限公司 | A decoloration device for producing levophosphorus dextroamine salt usefulness |
| CN211536626U (en) * | 2019-10-12 | 2020-09-22 | 庄琼华 | Active carbon adsorption device for product decoloration |
| CN211435903U (en) * | 2019-11-20 | 2020-09-08 | 江苏艾津农化有限责任公司 | Promote agitating unit of liquid pesticide preparation finished product quality |
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