阅读说明：本技术 一种超低温二氧化碳液体泵 (Ultralow-temperature carbon dioxide liquid pump ) 是由 韦达 于 2021-06-08 设计创作，主要内容包括：本发明公开了一种超低温二氧化碳液体泵,涉及液体泵技术领域,包括底板和用于安装壳体的凹槽,所述底板的后侧设置有防尘用的防护罩,所述壳体的一侧固定连接有电机,所述防护罩的一侧固定连接有调控器,所述控制器的一侧对称设置有观测用的压力表,所述壳体的顶部设置有举升环,所述凹槽的内部远离壳体的一侧固定连接有液体泵。本发明通过防护罩对主动轮、从动轮和皮带进行防护,使用时防止异物掉落缠绕在上面影响使用,电机经过壳体带动液体泵工作,通过调控器和压力表可以监测调控液体泵的工作状态,防止装置异常时,持续工作会对电机造成损坏,在对装置移动时可以通过壳体顶部的举升环悬挂升起。(The invention discloses an ultralow-temperature carbon dioxide liquid pump, which relates to the technical field of liquid pumps and comprises a bottom plate and a groove for mounting a shell, wherein a dustproof protective cover is arranged at the rear side of the bottom plate, a motor is fixedly connected to one side of the shell, a regulator is fixedly connected to one side of the protective cover, pressure gauges for observation are symmetrically arranged on one side of the controller, a lifting ring is arranged at the top of the shell, and the liquid pump is fixedly connected to one side, far away from the shell, in the groove. The protective cover is used for protecting the driving wheel, the driven wheel and the belt, when in use, foreign matters are prevented from falling and winding on the protective cover to influence use, the motor drives the liquid pump to work through the shell, the working state of the liquid pump can be monitored and regulated through the regulator and the pressure gauge, when the device is prevented from being abnormal, the motor can be damaged due to continuous work, and when the device is moved, the device can be suspended and lifted through the lifting ring on the top of the shell.)

1. An ultra-low temperature carbon dioxide liquid pump, includes bottom plate (1) and recess (2) that are used for installing casing (4), its characterized in that: a dustproof protective cover (3) is arranged on the rear side of the bottom plate (1), a motor (5) is fixedly connected to one side of the shell (4), a regulator (6) is fixedly connected to one side of the protective cover (3), pressure gauges (7) for observation are symmetrically arranged on one side of the controller (6), and a lifting ring (8) is arranged at the top of the shell (4);

one side fixedly connected with liquid pump (9) of casing (4) is kept away from to the inside of recess (2), one side fixedly connected with conveyer pipe (13) of liquid pump (9), one end fixedly connected with connecting plate (14) of liquid pump (9) are kept away from in conveyer pipe (13), one side fixedly connected with liquefaction section of thick bamboo (16) of conveyer pipe (13) are kept away from in connecting plate (14).

2. The ultra-low temperature carbon dioxide liquid pump of claim 1, wherein: the rear side fixedly connected with action wheel (10) of casing (4), the one end fixed connection that casing (4) and action wheel (10) are run through to the one end of motor (5).

3. The ultra-low temperature carbon dioxide liquid pump of claim 1, wherein: the rear side fixedly connected with of liquid pump (9) follows driving wheel (11), one side swing joint from driving wheel (11) has belt (12), the one end of belt (12) and the one end fixed connection of action wheel (10).

4. The ultra-low temperature carbon dioxide liquid pump of claim 1, wherein: a pressure reducing valve (15) for adjusting pressure is arranged on one side of the top of the liquefaction cylinder (16), and a connecting cover (17) is movably connected to one side, far away from the pressure reducing valve (15), of the top of the liquefaction cylinder (16).

5. The ultra-low temperature carbon dioxide liquid pump of claim 4, wherein: the top fixedly connected with pipeline (18) of connecting lid (17), one side fixedly connected with vacuum pump (19) of regulator (6) is kept away from in casing (4).

6. The ultra-low temperature carbon dioxide liquid pump of claim 1, wherein: the top of the vacuum pump (19) is fixedly connected with one end of the pipeline (18), and one side, far away from the connecting plate (14), of the liquefaction cylinder (16) is fixedly connected with an air inlet (20).

7. The ultra-low temperature carbon dioxide liquid pump of claim 1, wherein: the top fixedly connected with gas outlet (21) of liquid pump (9), the inside swing joint of gas outlet (21) has purification pad (22), one side swing joint of gas outlet (21) has lid (23).

8. The ultra-low temperature carbon dioxide liquid pump of claim 7, wherein: the top of the cover (23) is fixedly connected with a dustproof breathable cover (24), and two sides of the bottom of the cover (23) are fixedly connected with hinges (25).

9. The ultra-low temperature carbon dioxide liquid pump of claim 4, wherein: internal threads (27) are formed in the connecting cover (17), and a filter plate (28) is fixedly connected to the inside of the connecting cover (17).

10. The ultra-low temperature carbon dioxide liquid pump of claim 1, wherein: the vacuum layer (26) is arranged in the liquefaction cylinder (16), and the top of the liquefaction cylinder (16) is provided with an external thread matched with the internal thread (27).

Technical Field

The invention relates to the technical field of liquid pumps, in particular to an ultralow-temperature carbon dioxide liquid pump.

Background

Liquid carbon dioxide has a wide range of applications, can be used as a refrigerant to preserve food, can be used for artificial rainfall, and is also an industrial raw material, and although the liquid carbon dioxide has a wide range of applications, the requirement on the purity is also very high.

Carbon dioxide is used as a natural working medium, is a key research direction for replacing CFCs working medium at present, and explains the superiority of adopting carbon dioxide as a refrigerant and adopting a transcritical cycle according to the relevant thermophysical and chemical properties of the carbon dioxide as the refrigerant and the refrigeration cycle of the carbon dioxide.

In the Chinese invention patent application number: the utility model discloses a liquid carbon dioxide plunger pump in CN202021617931.3, including base, power end and pump head all set up at the top of base, install the plunger in the pump head, the liquefaction jar is installed at the pump head top, go up the cylinder head, and feed liquor pipe, feed liquor chamber, feed liquor valve and feed liquor disk seat are installed on pump head upper portion, and the fluid-discharge tube is installed to the pump head lower part, the fluid-discharge chamber, flowing back disk seat and flowing back valve, and the pump head is L type structure, two elevation structure of top fixedly connected with of base, and the equal fixedly connected with in two elevation structure's top places the seat, and two are placed the seat and are U type structure. This liquid carbon dioxide plunger pump, when liquefying carbon dioxide, the regulation and control of being not convenient for changes internal pressure to reduce work efficiency, when the carbon dioxide liquefaction is incomplete, the extravagant resource when revealing the discharge, when liquid pump uses, can not protect the device, because of the shortcoming of external factor damage easily.

Therefore, it is necessary to provide an ultra-low temperature carbon dioxide liquid pump to solve the above problems.

Disclosure of Invention

Technical problem to be solved

The invention aims to: the invention provides a liquid carbon dioxide plunger pump, aiming at solving the problems that when the liquid carbon dioxide plunger pump liquefies carbon dioxide, the internal pressure is not convenient to regulate and control and change, so that the working efficiency is reduced, when the carbon dioxide is not liquefied completely, resources are wasted during leakage and discharge, when the liquid carbon dioxide plunger pump is used, a device cannot be protected, and the liquid carbon dioxide plunger pump is easy to damage due to external factors.

(II) technical scheme

The invention specifically adopts the following technical scheme for realizing the purpose:

the utility model provides an ultra-low temperature carbon dioxide liquid pump, includes the bottom plate and is used for installing the recess of casing, the rear side of bottom plate is provided with dustproof protection casing of usefulness, one side fixedly connected with motor of casing, one side fixedly connected with modulator of protection casing, one side symmetry of controller is provided with the manometer of observing usefulness, the top of casing is provided with the ring of lifting, one side fixedly connected with liquid pump of casing is kept away from to the inside of recess, one side fixedly connected with conveyer pipe of liquid pump, the one end fixedly connected with connecting plate of liquid pump is kept away from to the conveyer pipe, one side fixedly connected with liquefaction section of thick bamboo of conveyer pipe is kept away from to the connecting plate.

Furthermore, the rear side fixedly connected with action wheel of casing, the one end fixed connection of casing and action wheel is run through to the one end of motor.

Furthermore, the rear side of the liquid pump is fixedly connected with a driven wheel, one side of the driven wheel is movably connected with a belt, and one end of the belt is fixedly connected with one end of the driving wheel.

Furthermore, a pressure reducing valve for adjusting pressure is arranged on one side of the top of the liquefaction cylinder, and a connecting cover is movably connected to one side, far away from the pressure reducing valve, of the top of the liquefaction cylinder.

Further, the top fixedly connected with pipeline of connecting the lid, the casing is kept away from one side fixedly connected with vacuum pump of regulator.

Further, the top of the vacuum pump is fixedly connected with one end of the pipeline, and one side, far away from the connecting plate, of the liquefaction cylinder is fixedly connected with an air inlet.

Further, the top of the liquid pump is fixedly connected with an air outlet, the interior of the air outlet is movably connected with a purification pad, and one side of the air outlet is movably connected with a cover.

Furthermore, the top of the cover is fixedly connected with a dustproof breathable cover, and two sides of the bottom of the cover are fixedly connected with hinges.

Furthermore, an internal thread is formed in the connecting cover, and a filter plate is fixedly connected in the connecting cover.

Further, the vacuum layer is arranged inside the liquefaction cylinder, and the top of the liquefaction cylinder is provided with an external thread matched with the internal thread.

(III) advantageous effects

The invention has the following beneficial effects:

1. according to the invention, the driving wheel, the driven wheel and the belt are protected by the protective cover, foreign matters are prevented from falling and winding on the protective cover to influence use when the protective cover is used, the motor drives the liquid pump to work through the shell, the working state of the liquid pump can be monitored and regulated through the regulator and the pressure gauge, the motor can be damaged when the device is prevented from being operated abnormally and can be suspended and lifted through the lifting ring on the top of the shell when the device is moved.

2. According to the invention, through the matching arrangement of the purification pad, the cover and the dustproof breathable cover, when unreacted carbon dioxide leaks through the air outlet, the purification pad can be used for blocking, so that resource waste caused by large discharge is prevented, and when the liquid pump is not used for a long time, dust entering the interior is reduced through the dustproof breathable cover, so that internal cleaning and maintenance are avoided.

3. According to the invention, the connecting cover is arranged at the top of the liquefaction cylinder through the internal thread, so that the stability is improved, the pressure in the liquefaction cylinder can be changed conveniently through the pipeline and the vacuum pump, the speed of liquefying carbon dioxide is promoted, and when the internal pressure is overlarge, the internal pressure can be reduced through adjusting the pressure reducing valve.

Drawings

FIG. 1 is a schematic perspective elevational view of a hydraulic pump according to the present invention;

FIG. 2 is a schematic side sectional perspective view of the hydraulic pump configuration of the present invention;

FIG. 3 is a schematic perspective front cross-sectional view of a hydraulic pump configuration of the present invention;

FIG. 4 is an enlarged view of the structure of area A in FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of the structure of region B in FIG. 3 according to the present invention.

Reference numerals: 1. a base plate; 2. a groove; 3. a protective cover; 4. a housing; 5. a motor; 6. a regulator; 7. a pressure gauge; 8. a lifting ring; 9. a liquid pump; 10. a driving wheel; 11. a driven wheel; 12. a belt; 13. a delivery pipe; 14. a connecting plate; 15. a pressure reducing valve; 16. a liquefaction cylinder; 17. a connecting cover; 18. a pipeline; 19. a vacuum pump; 20. an air inlet; 21. an air outlet; 22. a purification pad; 23. a cover; 24. a dustproof breathable cover; 25. a hinge; 26. a vacuum layer; 27. an internal thread; 28. a filter plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Example 1

Referring to fig. 1-3, an ultra-low temperature carbon dioxide liquid pump comprises a bottom plate 1 and a groove 2 for mounting a housing 4, a dustproof protective cover 3 is arranged at the rear side of the bottom plate 1, a motor 5 is fixedly connected to one side of the housing 4, a regulator 6 is fixedly connected to one side of the protective cover 3, a pressure gauge 7 for observation is symmetrically arranged at one side of the controller 6, a lifting ring 8 is arranged at the top of the housing 4, a liquid pump 9 is fixedly connected to one side of the interior of the groove 2 far away from the housing 4, a delivery pipe 13 is fixedly connected to one side of the liquid pump 9, a connecting plate 14 is fixedly connected to one end of the delivery pipe 13 far away from the liquid pump 9, a liquefaction cylinder 16 is fixedly connected to one side of the connecting plate 14 far away from the delivery pipe 13, a driving wheel 10 is fixedly connected to the rear side of the housing 4, one end of the motor 5 penetrates through the housing 4 and one end of the driving wheel 10, a driven wheel 11 is fixedly connected to the rear side of the liquid pump 9, one side of the driven wheel 11 is movably connected with a belt 12, and one end of the belt 12 is fixedly connected with one end of the driving wheel 10.

In this embodiment, motor 5 drives liquid pump 9 work through casing 4, protects action wheel 10, from driving wheel 11 and belt 12 through protection casing 3, prevents that the foreign matter from dropping the winding and influencing the use on it, can monitor the operating condition who regulates and control liquid pump 9 through modulator 6 and manometer 7, when preventing to use unusually, continuous operation can lead to the fact the damage to the motor, can hang through the ring 8 that lifts at casing 4 top when removing the device and rise.

Example 2

Referring to fig. 1-5, the present embodiment is further optimized based on embodiment 1, specifically, a pressure reducing valve 15 for adjusting pressure is disposed on one side of the top of the liquefaction cylinder 16, and a connecting cover 17 is movably connected to one side of the top of the liquefaction cylinder 16 away from the pressure reducing valve 15.

Specifically, a pipeline 18 is fixedly connected to the top of the connecting cover 17, and a vacuum pump 19 is fixedly connected to one side of the housing 4 away from the regulator 6.

Specifically, the top of the vacuum pump 19 is fixedly connected to one end of the pipeline 18, and the side of the liquefaction cylinder 16 away from the connecting plate 14 is fixedly connected to the air inlet 20.

Specifically, the top of the liquid pump 9 is fixedly connected with an air outlet 21, the interior of the air outlet 21 is movably connected with a purification pad 22, and one side of the air outlet 21 is movably connected with a cover 23.

In this embodiment, through the cooperation setting of purification pad 22, lid 23 and dustproof ventilative cover 24, when unreacted carbon dioxide passes through gas outlet 21 and leaks, can prevent to discharge in a large number and arouse the atmosphere pollution through purification pad 22 absorption, when liquid pump 9 does not use for a long time, reduces the dust that gets into inside through dustproof ventilative cover 24, avoids cleaning the maintenance to the inside.

Example 3

Referring to fig. 1-5, the present embodiment is optimized based on embodiment 1 or embodiment 2, specifically, a dust-proof and air-permeable cover 24 is fixedly connected to the top of the cover 23, and hinges 25 are fixedly connected to two sides of the bottom of the cover 23.

Specifically, the inner thread 27 is provided inside the connecting cover 17, and the filter plate 28 is fixedly connected inside the connecting cover 17.

Specifically, the liquefaction cylinder 16 is provided with a vacuum layer 26 inside, and the top of the liquefaction cylinder 16 is provided with an external thread matched with the internal thread 27.

In this embodiment, the connection cover 17 is installed at the top of the liquefaction cylinder 16 through the internal thread 27, so that stability is improved, the pressure inside the liquefaction cylinder 16 is conveniently changed through the pipeline 18 and the vacuum pump 19, thereby accelerating the speed of liquefying carbon dioxide, and when the internal pressure is too large, the internal pressure can be reduced by adjusting the pressure reducing valve 15.

In summary, the following steps: according to the invention, the protective cover 3 is arranged at the rear side of the bottom plate 1, when the driving wheel 10, the driven wheel 11 and the belt 12 are used, the motor 5 drives the liquid pump 9 to work through the shell 4, so that foreign matters are prevented from falling and winding on the driving wheel to affect use, the working state of the liquid pump 9 can be monitored and regulated through the regulator 6 and the pressure gauge 7, when the device is abnormal, the motor can be damaged due to continuous work, when the device is moved, the device can be suspended and lifted through the lifting ring 8 at the top of the shell 4, the purification pad 22, the cover 23 and the dustproof ventilation cover 24 are arranged at the top of the liquid pump 9, when unreacted carbon dioxide leaks through the air outlet 21, the purification pad 22 can be used for blocking, so that resource waste caused by large discharge is prevented, when the liquid pump 9 is not used for a long time, dust entering the interior is reduced through the dustproof ventilation cover 24, so that internal maintenance is avoided, the connection cover 17 is installed at the top of the liquefaction cylinder 16 through the internal thread 27, so that stability is improved, the pressure inside the liquefaction cylinder 16 is convenient to change through the pipeline 18 and the vacuum pump 19, the speed of liquefying carbon dioxide is promoted, and when the internal pressure is too large, the internal pressure can be reduced through adjusting the pressure reducing valve 15.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.