CN216620463U - Double-cold-trap circulating ice-condensing vacuum freeze dryer - Google Patents
Double-cold-trap circulating ice-condensing vacuum freeze dryer Download PDFInfo
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- CN216620463U CN216620463U CN202122702206.7U CN202122702206U CN216620463U CN 216620463 U CN216620463 U CN 216620463U CN 202122702206 U CN202122702206 U CN 202122702206U CN 216620463 U CN216620463 U CN 216620463U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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Abstract
The utility model relates to the field of freeze dryers, in particular to a double-cold-trap circulating ice-condensing vacuum freeze dryer, which comprises: the device comprises a freeze-drying box, a material tray, a refrigerating unit, a cold trap and a vacuum pump; the middle part of the freeze-drying box is provided with a material tray, and the bottom of the freeze-drying box is provided with a refrigerating unit; the front end of the freeze-drying box is provided with a lifting box door, the rear end of the freeze-drying box is connected with one ends of the two cold traps through two pipelines with middle partition valves, and the other ends of the two cold traps are connected with the two vacuum pumps one by one; the material tray comprises a turnover tray body, a turnover driving piece, a sliding bracket and a sliding driving piece; the front end of the turnover disk body is connected to the front end of the sliding bracket through the turnover driving piece, and the rear end of the turnover disk body is in running fit with the rear end of the sliding bracket. The utility model adopts the double-cold-trap structure to capture water and ice in a circulating manner, solves the defect of the upper limit of the ice condensation amount of the existing vacuum freeze dryer, and ensures that the upper limit of freeze-dried materials is not limited by the maximum ice condensation amount of the cold trap any more.
Description
Technical Field
The utility model relates to the field of freeze dryers, in particular to a double-cold-trap circulating ice-condensing vacuum freeze dryer.
Background
The cold trap plays a vital role in the water replenishing capacity and the ice freezing amount of the vacuum freeze dryer, and meanwhile, the whole freeze-drying process time is greatly influenced, so that the amount of the treated materials is finally limited to the maximum water trapping amount of the cold trap in daily application. When the freeze dryer with the single cold trap reaches the maximum water capture amount, water vapor cannot be condensed, so that the water vapor separated out in the equipment can linger in the cabin, and finally, the water in the material is not completely removed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-cold-trap circulating ice-condensing vacuum freeze dryer which can effectively solve the problems in the prior art.
To achieve the above objects, the present application provides a dual-cold-trap circulating frozen ice vacuum freeze dryer, comprising: the device comprises a freeze-drying box, a material tray, a refrigerating unit, a cold trap and a vacuum pump; the middle part of the freeze-drying box is provided with a material tray, and the bottom of the freeze-drying box is provided with a refrigerating unit; the front end of the freeze-drying box is provided with a lifting box door, the rear end of the freeze-drying box is connected with one end of each of the two cold traps through two pipelines with middle partition valves, and the other ends of the two cold traps are connected with the two vacuum pumps one by one; the material tray comprises a turnover tray body, a turnover driving piece, a sliding bracket and a sliding driving piece; the front end of the turnover disc body is connected to the front end of the sliding bracket through a turnover driving piece, and the rear end of the turnover disc body is in rotating fit with the rear end of the sliding bracket; the sliding bracket is in sliding fit with the left horizontal slideway and the right horizontal slideway on the inner side surface of the freeze-drying box; the sliding driving piece arranged on the freeze-drying box is in transmission connection with the sliding bracket so as to drive the sliding bracket to horizontally slide in the two horizontal slideways.
Optionally, the front end of the turnover tray body is provided with a discharge opening, the discharge opening is internally and slidably matched with the discharge baffle, the turnover tray body is provided with a fastening bolt in a threaded fit manner, and the fastening bolt is pressed against the side face of the discharge baffle.
Optionally, the overturning driving part comprises a reciprocating motor, a transmission screw rod, a transmission slide block and a push-pull connecting rod; the reciprocating motor is arranged on the sliding bracket, and an output shaft of the reciprocating motor is connected with the transmission screw rod through a coupler; two ends of the transmission screw rod rotate at the front end and the rear end of the rectangular slideway of the sliding bracket, the transmission slide block which slides in the rectangular slideway is in threaded transmission at the middle part of the transmission screw rod, the transmission slide block is rotatably connected with one end of the push-pull connecting rod, and the other end of the push-pull connecting rod is rotatably connected with the front end of the turnover disk body.
Optionally, the sliding drive is an electric push rod.
Optionally, the lifting box door comprises a box door body and an electric telescopic rod; the middle part of chamber door body slides in the longitudinal slide of freeze-drying case top surface, and the lower extreme of chamber door body slides at the front end opening part of freeze-drying case, and the both sides of chamber door body upper end are connected with two electric telescopic handle's expansion end, and two electric telescopic handle's stiff end is fixed at freeze-drying case both ends.
Optionally, a rubber sealing gasket is arranged at the joint of the freeze-drying box and the box door body.
The utility model has the beneficial effects that:
according to the double-cold-trap circulating ice-condensation vacuum freeze dryer, water and ice are trapped circularly by adopting a double-cold-trap structure, so that the defect of the upper limit of the ice-condensation amount of the conventional vacuum freeze dryer is overcome, and the upper limit of a freeze-dried material is not limited by the maximum ice-condensation amount of a cold trap any more; the material tray convenient for discharging is arranged in the material tray, and the turnover tray body in the material tray can be turned over to a certain extent under the control of the turnover driving piece, so that the material tray is convenient for quick discharging after freeze drying of raw materials.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first general schematic diagram provided in accordance with an embodiment of the present invention;
FIG. 2 is a second overall view provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of a material tray provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic partial structure diagram of a material tray provided in an embodiment of the present invention;
FIG. 5 is a schematic view of a sliding bracket provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of a lyophilization chamber provided by an embodiment of the present invention;
fig. 7 is a schematic view of a tumble driving unit according to an embodiment of the present invention.
Icon: a freeze drying box 1; a material tray 2; the tray body 21 is turned over; a tumble drive 22; a reciprocating motor 22 a; a drive screw 22 b; the transmission slider 22 c; a push-pull link 22 d; a slide bracket 23; a slide drive 24; a discharge baffle 25; a fastening bolt 26; a refrigerating unit 3; a cold trap 4; a vacuum pump 5; a lift cage door 6.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the 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 will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.
The utility model is described in further detail below with reference to figures 1-7.
As shown in fig. 1-7, a dual cold-trap circulating frozen ice vacuum freeze dryer includes: the device comprises a freeze-drying box 1, a material tray 2, a refrigerating unit 3, a cold trap 4 and a vacuum pump 5; the middle part of the freeze-drying box 1 is provided with a material tray 2, and the bottom of the freeze-drying box 1 is provided with a refrigerating unit 3; the front end of the freeze-drying box 1 is provided with a lifting box door 6, the rear end of the freeze-drying box 1 is connected with one ends of two cold traps 4 through two pipelines with middle partition valves, and the other ends of the two cold traps 4 are connected with two vacuum pumps 5 one by one; the material tray 2 comprises a turnover tray body 21, a turnover driving piece 22, a sliding bracket 23 and a sliding driving piece 24; the front end of the turnover disc body 21 is connected to the front end of the sliding bracket 23 through a turnover driving piece 22, and the rear end of the turnover disc body 21 is in rotating fit with the rear end of the sliding bracket 23; the sliding bracket 23 is in sliding fit with the left horizontal slide way and the right horizontal slide way on the inner side surface of the freeze-drying box 1; the sliding driving member 24 installed on the freeze-drying box 1 is in transmission connection with the sliding bracket 23 to drive the sliding bracket 23 to horizontally slide in the two horizontal sliding ways.
According to the double-cold-trap circulating ice-freezing vacuum freeze dryer, the two cold traps 4 are adopted for capturing water and freezing ice in a circulating manner, and during the circulating ice-freezing period of the two cold traps 4, the machine does not need to be stopped, so that the efficiency is greatly saved; when the device works, firstly, a lifting box door 6 is opened, materials to be processed are placed on a material tray 2, then, the lifting box door 6 is closed, a refrigerating unit 3 is started, the materials in a freeze-drying box 1 are frozen, after the materials are frozen to be below a eutectic point, a middle partition valve on a pipeline is opened, a cold trap 4 and a vacuum pump 5 which are connected with the pipeline are controlled to be started, after the cold trap 4 and the vacuum pump 5 are started, the cold trap 4 starts to work along with the operation of the vacuum pump 5, the negative pressure in the freeze-drying box 1 is lower and lower, the moisture of the materials is separated within a certain time, and is condensed through the cold trap 4 under the driving of the air flow vacuumized by the vacuum pump 5; when the ice condensation of the cold trap 4 reaches the upper limit, an intermediate valve on a pipeline communicated with the cold trap is closed; controlling the other cold trap 4 and the other vacuum pump 5 to be started, firstly evacuating the air pressure in the cold trap 4 by the vacuum pump 5 until the air pressure is consistent with that of the freeze-drying box 1, and opening a partition valve on the other pipeline, wherein the cold trap 4 starts to work at the moment, and the moisture of the material is condensed and defrosted by the cooperation of the cold trap 4 and the vacuum pump 5 for the next cycle work; the two cold traps 4 and the two vacuum pumps 5 work alternately at intervals, the machine does not need to be stopped in the middle, ice is condensed circularly, and the treatment efficiency of materials can be effectively improved; the material tray 2 convenient for discharging is arranged in the material tray, and the turnover tray body 21 in the material tray can be turned over to a certain extent under the control of the turnover driving piece 22, so that the material tray is convenient for quick discharging after freeze drying of raw materials; the sliding bracket 23 can slide out of the freeze-drying box 1 or be collected into the freeze-drying box 1 under the control of the sliding driving member 24, so that the material can be conveniently put in or the overturning disc body 21 can be cleaned.
The front end of the turnover tray body 21 is provided with a discharge opening, the discharge opening is in sliding fit with the discharge baffle 25, the turnover tray body 21 is in threaded fit with the fastening bolt 26, and the fastening bolt 26 is pressed against the side face of the discharge baffle 25. The inside sliding fit baffle 25 of unloading of discharge opening, upset disk body 21 can slide the baffle 25 of unloading upwards and open when the slope of front below carries out the ejection of compact under the control of upset driving piece 22 to carry out the ejection of compact work of material, the baffle 25 of unloading can be fixed in the discharge opening through fastening bolt 26's roof pressure under the conventional condition, seals the discharge opening.
The overturning driving part 22 comprises a reciprocating motor 22a, a transmission screw rod 22b, a transmission slide block 22c and a push-pull connecting rod 22 d; the reciprocating motor 22a is arranged on the sliding bracket 23, and the output shaft of the reciprocating motor 22a is connected with the transmission screw rod 22b through a coupler; two ends of the transmission screw 22b rotate at the front end and the rear end of the rectangular slideway of the sliding bracket 23, the middle part of the transmission screw 22b is in threaded transmission with the transmission slide block 22c sliding in the rectangular slideway, the transmission slide block 22c is rotatably connected with one end of the push-pull connecting rod 22d, and the other end of the push-pull connecting rod 22d is rotatably connected with the front end of the turnover disk body 21.
The reciprocating motor 22a in the turnover driving member 22 is started to drive the transmission screw 22b to rotate, the contact position of the transmission screw 22b and the transmission slide block 22c can be changed when the transmission screw 22b rotates, so that the transmission slide block 22c is driven to slide back and forth in the rectangular slide way of the sliding bracket 23, the turnover disk body 21 can be driven to perform turnover motion at a certain angle by the push-pull connecting rod 22d when the transmission slide block 22c slides back and forth, and the turnover disk body 21 is driven to incline towards the front lower side, so that the material can be discharged conveniently; when the turnover tray body 21 is driven to perform reciprocating type small-range turnover motion in the vertical direction, the material can rock in the turnover tray body 21, and the freeze-drying and dehydration effects on the material can be improved.
The sliding driving part 24 is an electric push rod, so that the stability is better, and the stroke is longer.
The lifting box door 6 comprises a box door body and an electric telescopic rod; the middle part of chamber door body slides in the longitudinal slide of 1 top surfaces of freeze-drying case, and the lower extreme of chamber door body slides at the front end opening part of freeze-drying case 1, and the both sides of chamber door body upper end are connected with two electric telescopic handle's expansion end, and two electric telescopic handle's stiff end is fixed at 1 both ends of freeze-drying case. Two electric telescopic handle can drive lift chamber door 6 and open or close freeze-drying case 1, are convenient for get and put the material.
The freeze-drying case 1 is equipped with rubber packing pad with the junction of chamber door body, is favorable to improving the inside seal of freeze-drying case 1.
The principle is as follows: according to the double-cold-trap circulating ice-freezing vacuum freeze dryer, the two cold traps 4 are adopted for circularly catching water and freezing ice, and during the circulating ice-freezing period of the two cold traps 4, the operation is not required to be stopped, so that the efficiency is greatly saved; when the device works, firstly, a lifting box door 6 is opened, materials to be processed are placed on a material tray 2, then, the lifting box door 6 is closed, a refrigerating unit 3 is started, the materials in a freeze-drying box 1 are frozen, after the materials are frozen to be below a eutectic point, a middle partition valve on a pipeline is opened, a cold trap 4 and a vacuum pump 5 which are connected with the pipeline are controlled to be started, after the cold trap 4 and the vacuum pump 5 are started, the cold trap 4 starts to work along with the operation of the vacuum pump 5, the negative pressure in the freeze-drying box 1 is lower and lower, the moisture of the materials is separated within a certain time, and is condensed through the cold trap 4 under the driving of the air flow vacuumized by the vacuum pump 5; when the ice condensation of the cold trap 4 reaches the upper limit, an intermediate valve on a pipeline communicated with the cold trap is closed; controlling the other cold trap 4 and the other vacuum pump 5 to be started, firstly evacuating the air pressure in the cold trap 4 by the vacuum pump 5 until the air pressure is consistent with that of the freeze-drying box 1, and opening a partition valve on the other pipeline, wherein the cold trap 4 starts to work at the moment, and the moisture of the material is condensed and defrosted by the cooperation of the cold trap 4 and the vacuum pump 5 for the next cycle work; the two cold traps 4 and the two vacuum pumps 5 work alternately at intervals, the machine does not need to be stopped in the middle, ice is condensed circularly, and the treatment efficiency of materials can be effectively improved; the material tray 2 convenient for discharging is arranged in the material tray, and the turnover tray body 21 in the material tray can be turned over to a certain extent under the control of the turnover driving piece 22, so that the material tray is convenient for quick discharging after freeze drying of raw materials; the sliding bracket 23 can slide out of the freeze-drying box 1 or be collected into the freeze-drying box 1 under the control of the sliding driving member 24, so that the material can be conveniently put in or the overturning disc body 21 can be cleaned.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (6)
1. Two cold-traps circulation congeals ice vacuum freeze dryer, its characterized in that includes: the device comprises a freeze-drying box (1), a material tray (2), a refrigerating unit (3), a cold trap (4) and a vacuum pump (5); the middle part of the freeze-drying box (1) is provided with a material tray (2), and the bottom of the freeze-drying box (1) is provided with a refrigerating unit (3); the front end of the freeze-drying box (1) is provided with a lifting box door (6), the rear end of the freeze-drying box (1) is connected with one ends of two cold traps (4) through two pipelines with middle partition valves, and the other ends of the two cold traps (4) are connected with two vacuum pumps (5) one by one; the material tray (2) comprises a turnover tray body (21), a turnover driving piece (22), a sliding bracket (23) and a sliding driving piece (24); the front end of the turnover disc body (21) is connected to the front end of the sliding bracket (23) through a turnover driving piece (22), and the rear end of the turnover disc body (21) is in running fit with the rear end of the sliding bracket (23); the sliding bracket (23) is in sliding fit with the left horizontal slide way and the right horizontal slide way on the inner side surface of the freeze-drying box (1); the sliding driving piece (24) arranged on the freeze-drying box (1) is in transmission connection with the sliding bracket (23) so as to drive the sliding bracket (23) to horizontally slide in the two horizontal slideways.
2. The dual-cold-trap circulating frozen ice vacuum freeze dryer as claimed in claim 1, wherein the front end of the turnover tray body (21) is provided with a discharge opening, the discharge opening is in sliding fit with the discharge baffle (25), the turnover tray body (21) is in threaded fit with the fastening bolt (26), and the fastening bolt (26) is pressed against the side surface of the discharge baffle (25).
3. The dual-cold-trap circulating-ice vacuum freeze dryer according to claim 1, wherein the inversion driving member (22) comprises a reciprocating motor (22a), a transmission screw (22b), a transmission slider (22c) and a push-pull connecting rod (22 d); the reciprocating motor (22a) is arranged on the sliding bracket (23), and an output shaft of the reciprocating motor (22a) is connected with the transmission screw rod (22b) through a coupler; two ends of the transmission screw rod (22b) rotate at the front end and the rear end of the rectangular slideway of the sliding bracket (23), the middle part of the transmission screw rod (22b) is in threaded transmission with the transmission slide block (22c) sliding in the rectangular slideway, the transmission slide block (22c) is rotationally connected with one end of the push-pull connecting rod (22d), and the other end of the push-pull connecting rod (22d) is rotationally connected with the front end of the turnover disc body (21).
4. The dual cold-trap circulating-ice vacuum freeze dryer of claim 1, wherein the slide drive (24) is an electric push rod.
5. The dual-cold-trap circulating-ice vacuum freeze dryer according to claim 1, wherein the lift box door (6) comprises a box door body and an electric telescopic rod; the middle part of chamber door body slides in the longitudinal slide of freeze-drying case (1) top surface, and the lower extreme of chamber door body slides at the front end opening part of freeze-drying case (1), and the both sides of chamber door body upper end are connected with two electric telescopic handle's expansion end, and two electric telescopic handle's stiff end are fixed at freeze-drying case (1) both ends.
6. The double-cold-trap circulating frozen vacuum freeze dryer according to claim 5, wherein a rubber sealing gasket is arranged at the joint of the freeze drying box (1) and the box door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122702206.7U CN216620463U (en) | 2021-11-06 | 2021-11-06 | Double-cold-trap circulating ice-condensing vacuum freeze dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122702206.7U CN216620463U (en) | 2021-11-06 | 2021-11-06 | Double-cold-trap circulating ice-condensing vacuum freeze dryer |
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| Publication Number | Publication Date |
|---|---|
| CN216620463U true CN216620463U (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122702206.7U Active CN216620463U (en) | 2021-11-06 | 2021-11-06 | Double-cold-trap circulating ice-condensing vacuum freeze dryer |
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| CN (1) | CN216620463U (en) |
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2021
- 2021-11-06 CN CN202122702206.7U patent/CN216620463U/en active Active
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