CN220478282U

CN220478282U - Liquid nitrogen condensing vacuum filter

Info

Publication number: CN220478282U
Application number: CN202320753712.5U
Authority: CN
Inventors: 钱元浦
Original assignee: Soloberg Filter Muffler Manufacturing Suzhou Co ltd
Current assignee: Soloberg Filter Muffler Manufacturing Suzhou Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2024-02-13
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a liquid nitrogen condensation vacuum filter, and relates to the technical field of filters. Wherein, this liquid nitrogen condensation vacuum filter includes: the filter barrel body is provided with a top cover and a bottom plate which are respectively arranged at two ends of the filter barrel body; the end socket is fixedly arranged at the bottom of the bottom plate; the liquid outlet is arranged at the center of the bottom of the seal head; the outer barrel body of the cooling jacket is arranged at the middle lower part of the filter barrel body in a surrounding manner; the heat exchange fins are fixedly connected with the outer barrel body of the cooling jacket; the inner barrel body is fixedly arranged in the filter barrel body and is in the same center with the filter barrel body; the foam breaker is fixedly arranged at the bottom of the inner barrel body; and the filter element assembly is fixedly connected with the top of the inner barrel body. The utility model solves the problems that the prior vacuum filtration is limited, a plurality of water ring pumps and dry vacuum pumps are applied to the field, the water ring pumps can be irradiated into a large amount of water pollution and energy efficiency, and the dry vacuum pumps need better maintenance and have low cost.

Description

Liquid nitrogen condensing vacuum filter

Technical Field

The utility model relates to the technical field of filters, in particular to a liquid nitrogen condensation vacuum filter.

Background

Along with the continuous improvement of living standard, a great amount of medicines and foods need to be rapidly dehydrated or degassed in the process of processing and manufacturing, and the process of vacuum acceleration is needed, and meanwhile, in order to ensure the working efficiency, the vacuum limit is always pumped.

But is limited by the preceding stage vacuum filtration, and at present, many water ring pumps and dry vacuum pumps are applied in the field, and the water ring pumps can be irradiated into a large amount of water pollution and energy efficiency problems, and the dry vacuum pumps need relatively good maintenance and have the problem of low cost. In view of the above-mentioned problems, no effective solution has been proposed yet.

Disclosure of Invention

The utility model aims to: a liquid nitrogen condensing vacuum filter is provided to solve the above-mentioned problems of the prior art.

The technical scheme is as follows: a liquid nitrogen condensing vacuum filter comprising: the filter barrel body is provided with a top cover and a bottom plate which are respectively arranged at two ends of the filter barrel body; the end socket is fixedly arranged at the bottom of the bottom plate; the liquid outlet is arranged at the center of the bottom of the seal head; the outer barrel body of the cooling jacket is arranged at the middle lower part of the filter barrel body in a surrounding manner; the heat exchange fins are fixedly connected with the outer barrel body of the cooling jacket; the inner barrel body is fixedly arranged in the filter barrel body and is in the same center with the filter barrel body; the foam breaker is fixedly arranged at the bottom of the inner barrel body; the filter element assembly is fixedly connected with the top of the inner barrel body; the outer layer barrel body of the cooling jacket and the heat exchange fins are arranged on the outer side of the barrel body of the filter in a surrounding mode, so that liquid nitrogen is condensed at a low temperature, and the filter element assembly is arranged on the top of the inner barrel body, so that impurities are removed through filtration.

Preferably, a first O-shaped sealing notch flange is arranged between the filter barrel body and the top cover, a second O-shaped sealing notch flange is arranged between the filter barrel body and the bottom plate, a first O-shaped sealing ring is arranged between the top cover and the first O-shaped sealing notch flange, and a second O-shaped sealing ring is arranged between the bottom plate and the second O-shaped sealing notch flange.

Preferably, an inlet flange is arranged between the outer barrel body of the cooling jacket and the filter element assembly, an outlet flange is arranged on the side wall of the filter barrel opposite to the filter element assembly, and the inlet flange is opposite to the outlet flange.

Preferably, a plurality of mounting brackets are arranged on the outer barrel body of the cooling jacket, reinforcing rib plates are arranged on a plurality of the mounting brackets, and a top cover of the cooling jacket is arranged at the top of the outer barrel body of the cooling jacket.

Preferably, a liquid nitrogen inlet is formed in one side, close to the bottom, of the side wall of the outer barrel body of the cooling jacket, a liquid nitrogen outlet is formed in one side, close to the top, of the side wall of the outer barrel body of the cooling jacket, and the liquid nitrogen inlet is opposite to the liquid nitrogen outlet in direction.

Preferably, the filter element assembly comprises: the filter element mounting base plate is connected with the top of the inner barrel body, a filter element support is arranged at the center of the filter element mounting base plate, a filter element is arranged on the filter element support, a filter element top cover is arranged at the top of the filter element, and a lifting lug is arranged on the outer side of the filter element.

Preferably, a top cover handle is arranged at the top of the top cover.

Preferably, the filter barrel body is connected with the inlet flange through an inlet flange pipe, the filter barrel body is connected with the outlet flange through an outlet flange pipe, and plugs are respectively arranged on the inlet flange pipe and the outlet flange pipe.

Preferably, the bottom of the foam breaker is provided with a fixing plate, an L-shaped fixing piece is arranged on the bottom plate, and the bottom plate is fixedly connected with the L-shaped fixing piece through a connecting piece.

Preferably, a nameplate support is arranged on the filter barrel body, and a nameplate is arranged on the nameplate support.

The beneficial effects are that: in this application embodiment, the mode of separation processing is preseparated to upper and lower two-stage, through be in the filter ladle body outside is provided with around cooling jacket outer ladle body with the heat exchange fin, so that liquid nitrogen low temperature condenses, and through be provided with the filter core subassembly at interior ladle body top, with filtering the impurity removal, reached the purpose of separation processing step by step, thereby realized good purification and filterable technological effect, and then solved the vacuum filtration who is limited to the preceding stage, present many water ring pumps, dry vacuum pump all uses in this field, water ring pump can shine into a large amount of water pollution and energy efficiency problem, dry vacuum pump needs the maintenance of relatively good, and the not very technical problem of cost.

Drawings

FIG. 1 is a schematic front view of a liquid nitrogen condensing vacuum filter of the present utility model;

FIG. 2 is a schematic right side view of a liquid nitrogen condensing vacuum filter of the present utility model;

fig. 3 is a schematic top view of a liquid nitrogen condensing vacuum filter of the present utility model.

The reference numerals are: 1. a filter bowl; 2. a top cover; 3. a bottom plate; 4. a seal head; 5. a liquid outlet; 6. a cooling jacket outer barrel body; 7. an inner tub body; 8. a foam breaker; 9. a filter element assembly; 10. a first O-ring seal slot flange; 11. a second O-ring seal slot flange; 12. a first O-ring seal; 13. a second O-ring seal; 14. heat exchange fins; 15. an inlet flange; 16. an outlet flange; 17. a mounting bracket; 18. reinforcing rib plates; 19. a cooling jacket top cover; 20. a liquid nitrogen inlet; 21. a liquid nitrogen outlet; 22. a filter element mounting bottom plate; 23. a cartridge holder; 24. a filter element; 25. a filter element top cover; 26. lifting lugs; 27. a top cover handle; 28. an inlet flange pipe; 29. an outlet flange pipe; 30. a plug; 31. a fixing plate; 32. an L-shaped fixing member; 33. a connecting piece; 34. a nameplate support; 35. a nameplate; 36. an annular flat plate.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described 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.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may 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 meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-3, the present application relates to a liquid nitrogen condensing vacuum filter. The liquid nitrogen condensing vacuum filter comprises: a filter barrel body 1, a top cover 2 and a bottom plate 3 respectively arranged at two ends of the filter barrel body 1; the filter barrel body 1 is a barrel body capable of containing other substances, so that the treatment is convenient; by arranging the top cover 2 and the bottom plate 3 at the upper end and the lower end of the filter barrel body 1 respectively, the semi-sealing effect on the barrel body can be realized, thereby realizing the prevention of leakage and further realizing the filtering treatment according to the preset flow direction. Further, a top cover handle 27 is arranged on the top of the top cover 2. The effect of facilitating the taking of the top cover 2 can be achieved.

The seal head 4 is fixedly arranged at the bottom of the bottom plate 3; good bottom shutoff effect can be realized to realize preventing the effect of leaking. The liquid outlet 5 is arranged at the center of the bottom of the seal head 4; can realize good flowing back effect to realize the effect of being convenient for clear up. Preferably, the liquid outlet 5 is a 2 inch internal thread liquid outlet. A cooling jacket outer layer barrel body 6 surrounding the middle lower part of the filter barrel body 1; the effect of connection with the filter bowl 1 can be achieved, thereby achieving the effect of fixing and supporting other components. The heat exchange fins are fixedly connected with the outer barrel body 6 of the cooling jacket; good heat exchange effect can be achieved, thereby achieving good condensing effect. The inner barrel body 7 is fixedly arranged inside the filter barrel body 1 and is in the same center with the filter barrel body 1; the effect of holding other parts can be realized to realize good fixed effect. The foam breaker 8 is fixedly arranged at the bottom of the inner barrel body 7; a demister is a device for removing a large amount of liquid entrained in secondary vapor during evaporation, and is provided near a vapor outlet in order to prevent loss of useful products or contamination of condensed liquid, although separation is performed in a separation chamber. Further, the top of the foam breaker is provided with an annular flat plate 36. A good fixing effect can be achieved.

The filter element assembly 9 is fixedly connected with the top of the inner barrel body 7; the effect of filtering again can be realized, so that the purity of filtering is improved. Further, the filter element assembly 9 includes: the filter element mounting bottom plate 22 is connected with the top of the inner barrel body 7, a filter element support 23 is arranged in the center of the filter element mounting bottom plate 22, a filter element 24 is arranged on the filter element support 23, a filter element top cover 25 is arranged at the top of the filter element 24, and a lifting lug 26 is arranged on the outer side of the filter element 24. The stability of the filter element structure can be ensured, so that the filter effect is improved, and most of impurities in the process are effectively removed.

The cooling jacket outer layer barrel body 6 and the heat exchange fins 14 are arranged on the outer side of the filter barrel body 1 in a surrounding mode so that liquid nitrogen is condensed at a low temperature, and the filter element assembly 9 is arranged on the top of the inner barrel body 7 so that impurities are removed through filtration. Adopting a stainless steel structure, and using liquid nitrogen as a coolant to replace plant water or condensed water; the volume and the size of each product can be adjusted according to the gas flow and the corresponding medium in the process, so that stronger pertinence is effectively realized; the majority of impurities in the removing process are effectively removed by selecting a plurality of filter elements aiming at different media; for different vacuum applications, a suitable cooling area and a reasonable cooling temperature are adopted.

From the above description, it can be seen that the following technical effects are achieved:

in this application embodiment, adopt upper and lower two-stage pre-separation treatment's mode, through be in filter ladle body 1 outside is provided with around cooling jacket outer ladle body 6 with heat exchange fin 14, so that liquid nitrogen low temperature condensation, and through be provided with filter core subassembly 9 at interior ladle body 7 top, with the filtration removal impurity, reached the purpose of step-by-step separation treatment, thereby realized good purification and filterable technological effect, and then solved the vacuum filtration who is limited to the preceding stage, present many water ring pump, dry vacuum pump all use in this field, water ring pump can shine into a large amount of water pollution and energy efficiency problem, dry vacuum pump needs better maintenance, and the not very difficult technical problem of cost.

Further, a first O-shaped sealing notch flange 10 is arranged between the filter barrel body 1 and the top cover 2, a second O-shaped sealing notch flange 11 is arranged between the filter barrel body 1 and the bottom plate 3, a first O-shaped sealing ring 12 is arranged between the top cover 2 and the first O-shaped sealing notch flange 10, and a second O-shaped sealing ring 13 is arranged between the bottom plate 3 and the second O-shaped sealing notch flange 11. Good sealing effect can be realized, thereby realizing the situation of preventing the leakage of the cylinder body.

Further, an inlet flange 15 is disposed between the outer cooling jacket layer barrel 6 and the filter element assembly 9 on the side wall of the filter barrel 1, an outlet flange 16 is disposed on the side wall of the filter barrel 1 opposite to the filter element assembly 9, and the inlet flange 15 is opposite to the outlet flange 16. Good in-out effect can be realized, and meanwhile, good connection effect with other components can be realized.

Further, a plurality of mounting brackets 17 are arranged on the cooling jacket outer barrel body 6, reinforcing rib plates 18 are arranged on a plurality of the mounting brackets 17, and a cooling jacket top cover 19 is arranged at the top of the cooling jacket outer barrel body 6. Good installation fixing effect can be realized, and the effect of improving the intensity can also be realized simultaneously.

Further, a liquid nitrogen inlet 20 is formed in one side, close to the bottom, of the side wall of the outer cooling jacket barrel body 6, a liquid nitrogen outlet 21 is formed in one side, close to the top, of the side wall of the outer cooling jacket barrel body 6, and the liquid nitrogen inlet 20 is opposite to the liquid nitrogen outlet 21. Good liquid nitrogen inlet and outlet effects can be achieved, liquid nitrogen is used as a condensing medium, and effective condensation can be achieved at a lower temperature. Preferably, the liquid nitrogen inlet 20 is a 1 inch internal filament liquid nitrogen inlet.

Further, the filter barrel body 1 is connected with the inlet flange 15 through an inlet flange 15 pipe, the filter barrel body 1 is connected with the outlet flange 16 through an outlet flange 16 pipe, and plugs 30 are respectively arranged on the inlet flange pipe 28 and the outlet flange pipe 29. Good fixed connection effect can be realized, thereby ensuring the stability of the structure.

Further, a fixing plate 31 is arranged at the bottom of the foam breaker 8, an L-shaped fixing piece 32 is arranged on the bottom plate 3, and the bottom plate 3 and the L-shaped fixing piece 32 are fixedly connected through a connecting piece 33. A good fixing connection effect can be achieved, thereby ensuring the effect of stable installation of the foam breaker 8.

Further, a nameplate support 34 is arranged on the filter barrel body 1, and a nameplate 35 is arranged on the nameplate support 34. The effect of fixing the nameplate 35 can be realized, so that the nameplate 35 is ensured to be fixedly connected with the filter barrel body 1; meanwhile, a good identification effect can be achieved by the nameplate 35.

The utility model also has the following beneficial effects:

1. the vacuum pump is greatly protected, the service life of the vacuum is prolonged, and the cost of pump oil replacement is prolonged;

2. condensing the vaporous substance and collecting a large amount of the vaporous substance;

3. many more types of vacuum pumps such as rotary vane pumps, oil screws, etc. may be employed, not limited to dry vacuum pumps and liquid ring pumps;

4. the liquid ring pump is not adopted, so that a lot of waste liquid can be saved, and meanwhile, the energy is saved.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various equivalent changes can be made to the technical solutions of the present utility model within the scope of the technical concept of the present utility model, and these equivalent changes all fall within the scope of the present utility model.

Claims

1. A liquid nitrogen condensing vacuum filter, comprising:

the filter barrel body is provided with a top cover and a bottom plate which are respectively arranged at two ends of the filter barrel body;

the end socket is fixedly arranged at the bottom of the bottom plate;

the liquid outlet is arranged at the center of the bottom of the seal head;

the outer barrel body of the cooling jacket is arranged at the middle lower part of the filter barrel body in a surrounding manner;

the heat exchange fins are fixedly connected with the outer barrel body of the cooling jacket;

the inner barrel body is fixedly arranged in the filter barrel body and is in the same center with the filter barrel body;

the foam breaker is fixedly arranged at the bottom of the inner barrel body; and

The filter element assembly is fixedly connected with the top of the inner barrel body; the filter cartridge assembly includes: the filter element mounting bottom plate is connected with the top of the inner barrel body, a filter element support is arranged in the center of the filter element mounting bottom plate, a filter element is arranged on the filter element support, a filter element top cover is arranged at the top of the filter element, and a lifting lug is arranged at the outer side of the filter element;

the outer layer barrel body of the cooling jacket and the heat exchange fins are arranged on the outer side of the barrel body of the filter in a surrounding mode, so that liquid nitrogen is condensed at a low temperature, and the filter element assembly is arranged on the top of the inner barrel body, so that impurities are removed through filtration.

2. The liquid nitrogen condensing vacuum filter according to claim 1, wherein a first O-ring seal notch flange is provided between the filter bowl and the top cover, a second O-ring seal notch flange is provided between the filter bowl and the bottom plate, a first O-ring seal is provided between the top cover and the first O-ring seal notch flange, and a second O-ring seal is provided between the bottom plate and the second O-ring seal notch flange.

3. The liquid nitrogen condensing vacuum filter according to claim 1, wherein an inlet flange is disposed between the cooling jacket outer barrel and the filter element assembly on the side wall of the filter barrel, and an outlet flange is disposed opposite the filter element assembly on the side wall of the filter barrel, the inlet flange being opposite the outlet flange.

4. The liquid nitrogen condensing vacuum filter according to claim 1, wherein a plurality of mounting brackets are arranged on the outer barrel body of the cooling jacket, reinforcing rib plates are arranged on a plurality of the mounting brackets, and a top cover of the cooling jacket is arranged on the top of the outer barrel body of the cooling jacket.

5. The liquid nitrogen condensing vacuum filter according to claim 1, wherein a liquid nitrogen inlet is formed in a side, close to the bottom, of the side wall of the outer barrel of the cooling jacket, a liquid nitrogen outlet is formed in a side, close to the top, of the side wall of the outer barrel of the cooling jacket, and the liquid nitrogen inlet and the liquid nitrogen outlet are opposite in direction.

6. The liquid nitrogen condensing vacuum filter according to claim 1, wherein a top cover handle is provided on top of said top cover.

7. A liquid nitrogen condensing vacuum filter according to claim 3, characterized in that said filter bowl is connected to said inlet flange by an inlet flange tube, said filter bowl is connected to said outlet flange by an outlet flange tube, and plugs are provided on said inlet flange tube and said outlet flange tube, respectively.

8. The liquid nitrogen condensing vacuum filter according to claim 1, wherein the bottom of the foam breaker is provided with a fixing plate, an L-shaped fixing member is arranged on the bottom plate, and the bottom plate and the L-shaped fixing member are fixedly connected through a connecting member.

9. The liquid nitrogen condensing vacuum filter according to claim 1, wherein a nameplate bracket is arranged on the filter barrel body, and a nameplate is arranged on the nameplate bracket.