CN114768457A

CN114768457A - Liquid CO is prepared to ammonia absorption refrigeration based on photovoltaic utilization2In a device

Info

Publication number: CN114768457A
Application number: CN202210358936.6A
Authority: CN
Inventors: 张建国; 张丽; 曹晨
Original assignee: Zhongjie Energy Technology Shanghai Co ltd
Current assignee: Zhongjie Energy Technology Shanghai Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-22

Abstract

The invention discloses a device for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic utilization, and belongs to the technical field of chemical equipment. Carry out ammonia absorption refrigeration based on photovoltaic utilization and prepare liquid CO 2's device, including the bottom plate, fixed mounting has the bracing piece on the bottom plate, still includes: a sliding sleeve connected on the supporting rod in a sliding manner; the solar panel is detachably connected to the sliding sleeve; the storage battery is connected to the bottom plate; the cylinder body is fixedly arranged on the bottom plate, and the interior of the cylinder body is hollow; according to the invention, when the solar panel supplies electric energy to the equipment, the dust on the surface of the solar panel can be cleaned, so that the light-gathering effect of the solar panel is increased, and the power generation efficiency is improved; through the agitator and then can increase the area of contact of demineralized water with the ammonia to when improving the ammonia absorption rate, move the air feed in to the gasbag through piston assembly, make its gasbag inflation, and then can improve the leakproofness of barrel.

Description

Liquid CO is prepared to ammonia absorption refrigeration based on photovoltaic utilization2In a device

Technical Field

The invention relates to the technical field of chemical equipment, in particular to a device for preparing liquid CO2 by utilizing ammonia absorption refrigeration based on photovoltaic utilization.

Background

Ammonia is an inorganic compound, is colorless and has irritant odor at normal temperature, is very soluble in water, and in the actual production at present, for the temporary tripping of a safety valve caused by non-fire factors such as overhigh exhaust pressure, high-pressure failure of electrical protection or the quality of the safety valve, and the like in an ammonia refrigeration system, an ammonia gas absorption device is not designed in a targeted manner, and the ammonia gas discharged in the occasions is usually directly discharged into the air or absorbed by adopting a simple mode, for example, a method of putting water into a tank body or directly inserting an ammonia gas discharge pipeline into the tank body for absorption.

At present, when the ammonia fog absorber is used for absorbing decomposed and volatilized ammonia and is discharged into a device for preparing liquid CO2 through refrigeration to prepare liquid CO2, ammonia absorption efficiency is low, ammonia is absorbed insufficiently, and the tightness of a tank body is poor, so that ammonia is easy to volatilize, and the volatilized ammonia is easy to be absorbed by workers to cause harm to bodies.

Disclosure of Invention

The invention aims to solve the defects that ammonia is easy to volatilize due to low absorption efficiency, incomplete absorption and poor sealing property of a tank body in the prior art, so that volatilized ammonia is easy to be sucked into a body by workers and causes harm to the body, and provides a device for preparing liquid CO2 by utilizing photovoltaic utilization to carry out ammonia absorption refrigeration.

In order to achieve the purpose, the invention adopts the following technical scheme:

carry out ammonia absorption refrigeration based on photovoltaic utilization and prepare liquid CO 2's device, including the bottom plate, fixed mounting has the bracing piece on the bottom plate, still includes: a sliding sleeve connected on the supporting rod in a sliding manner; the solar panel is detachably connected to the sliding sleeve; the storage battery is connected to the bottom plate; the barrel is fixedly arranged on the bottom plate, the interior of the barrel is hollow, and a sealing cover is detachably connected to the barrel; the sealing block is fixedly connected to the sealing cover, and an air bag is arranged on the outer side of the sealing block; the first pipeline is connected to the cylinder body, and a second valve switch is connected to the first pipeline; the motor and the piston assembly are fixedly arranged on the sealing cover; the crankshaft is sleeved on the output end of the motor and is rotationally connected with the piston assembly; the first guide pipe is connected to the piston assembly; one end of the second guide pipe is connected with the piston assembly, the other end of the second guide pipe is connected with the air bag, a stirrer is arranged in the cylinder, and the motor drives the stirrer to rotate through the transmission set; the cleaning plate and the water pump are arranged on the bottom plate; the first spray head is fixedly connected to the cleaning plate; the spray head II is fixedly connected to the stirrer; the pressure increasing pipe is fixedly connected on the bottom plate, one end of the pressure increasing pipe is connected with the output end of the water suction pump, the other end of the pressure increasing pipe is connected with the first spray head,

the sprayer two-way valve is connected with the pressure increasing pipe through a pipeline three, the bottom plate is connected with a reciprocating screw rod in a rotating mode, the sliding sleeve is connected to the reciprocating screw rod in a threaded mode, and a driving portion used for driving the reciprocating screw rod to rotate is arranged on the bottom plate.

Preferably, the agitator includes the pivot, the pivot is rotated and is connected on the closing cap, pivot outer wall fixedly connected with puddler.

In order to facilitate the realization to dismantle, install sealed lid, furtherly, fixedly connected with inserted bar on the sealed lid, barrel outer wall fixedly connected with connecting block, be equipped with the recess on the inserted bar, sliding connection has the fixed block in the recess, be connected with the spring between fixed block and the recess.

In order to discharge the gas in the airbag conveniently, preferably, the airbag is connected with a second pipeline, the gas inlet end of the second pipeline is communicated with the inner wall of the airbag, and the second pipeline is connected with a third valve switch and a gas release valve.

In order to increase the leakproofness of pressure increasing pipe, preferably, the barrel bottom is connected with row material pipe, arrange and be connected with valve switch one on the material pipe, the barrel top is equipped with sealed the pad, sealed pad and sealed lid are laminated mutually.

Preferably, the driving part comprises an impeller fixedly connected to one end of the reciprocating screw rod penetrating through the booster pipe.

In order to drive the reciprocating screw rod to rotate, preferably, the driving part comprises a handle, the handle is fixedly connected to the tail end of the reciprocating screw rod, a sealing ring is arranged on the pressurization pipe, and the sealing ring is attached to the outer wall of the reciprocating screw rod.

In order to facilitate the realization of disassembling and assembling the solar panel, preferably, the solar panel and the sliding sleeve are disassembled and connected through an assembling bolt.

In order to protect the storage battery, preferably, the bottom plate is connected with a protective shell, the protective shell is provided with heat dissipation holes, and filter screens are arranged in the heat dissipation holes.

In order to increase the stability of the bottom plate, furthermore, a sleeve is fixedly mounted on the bottom plate, a threaded rod is connected with the inner thread of the sleeve, and a base is fixedly connected to the tail end of the threaded rod.

Compared with the prior art, the invention provides a device for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic utilization, which has the following beneficial effects: 1. this device for preparing liquid CO2 based on photovoltaic utilization carries out ammonia absorption refrigeration, sealed pad through the barrel top is laminated with sealed lid mutually, and then can increase the leakproofness of barrel to prevent that ammonia from appearing leaking when volatilizing in the absorption of barrel, and the gasbag after the cooperation inflation closely pastes with the seal groove that the barrel inner wall was seted up closely, thereby further improves the leakproofness of barrel.

2. This device based on liquid CO2 is prepared to ammonia absorption refrigeration is carried out in photovoltaic utilization, it is internal from the multiunit inlet port that the pipeline was seted up to get into the barrel through the ammonia, and then absorb through arranging the material pipe and discharge by the demineralized water in the barrel, because the inside packing of barrel has spherical filler, thereby can reduce ammonia and volatilize, further improve the ammonia absorptivity, and cooperate the motor to pass through the rotation of transmission set drive pivot, the pivot drives the puddler and rotates, and then can increase the area of contact of demineralized water and ammonia, thereby further improve the ammonia absorptivity.

3. This device based on liquid CO2 is prepared to ammonia absorption refrigeration based on photovoltaic utilization, through a shower nozzle blowout, and then can carry out the surperficial dust to it at solar panel through the shower nozzle temporarily and wash to cooperation cleaning plate pastes with the solar panel surface mutually, thereby can further improve the clear effect of solar panel surface dust, increases solar panel's spotlight effect, improves the generating efficiency.

Drawings

FIG. 1 is a schematic structural diagram I of a device for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic utilization, which is provided by the invention;

FIG. 2 is a schematic structural diagram II of a device for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic utilization, which is provided by the invention;

FIG. 3 is a schematic diagram of a part of the structure of the device for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic utilization, which is provided by the invention;

FIG. 4 is an enlarged view of portion A of FIG. 1 of an apparatus for producing liquid CO2 by ammonia absorption refrigeration based on photovoltaic utilization according to the present invention;

fig. 5 is an enlarged view of part B of fig. 2 of the device for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic utilization.

In the figure: 1. a base plate; 101. a sleeve; 102. a threaded rod; 103. a base; 2. a support bar; 201. a sliding sleeve; 202. a solar panel; 203. installing a bolt; 204. a storage battery; 3. a protective shell; 301. heat dissipation holes; 302. a filter screen; 4. a drive section; 401. a reciprocating screw rod; 5. a water pump; 501. a pressure increasing pipe; 502. a seal ring; 503. cleaning the plate; 504. a first spray nozzle; 6. a barrel; 601. a sealing cover; 602. a discharge pipe; 603. a first valve switch; 604. a first pipeline; 605. a sealing block; 606. a gasket; 607. a second valve switch; 7. connecting blocks; 701. a rod is inserted; 702. a groove; 703. a fixed block; 704. a spring; 8. an air bag; 801. a second pipeline; 802. a valve is opened and closed; 803. an air release valve; 9. a rotating shaft; 901. a stirring rod; 902. a motor; 903. a transmission set; 10. a second spray head; 1001. a third pipeline; 11. a crankshaft; 1101. a piston assembly; 1102. a first conduit; 1103. and a second conduit.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Example 1: referring to fig. 1-5, utilize based on photovoltaic and carry out ammonia absorption refrigeration and prepare device of liquid CO2, including bottom plate 1, fixed mounting has bracing piece 2 on the bottom plate 1, still includes: a sliding sleeve 201 connected on the support rod 2 in a sliding way; the solar panel 202 is detachably connected to the sliding sleeve 201; a battery 204 connected to the base plate 1; the cylinder body 6 is fixedly arranged on the bottom plate 1, the interior of the cylinder body 6 is hollow, and the cylinder body 6 is detachably connected with a sealing cover 601; a sealing block 605 fixedly connected to the sealing cover 601, wherein an air bag 8 is arranged outside the sealing block 605; the first pipeline 604 is connected to the cylinder 6, and the second valve switch 607 is connected to the first pipeline 604; the motor 902 and the piston assembly 1101 are fixedly arranged on the sealing cover 601; the crankshaft 11 is sleeved on the output end of the motor 902 and is rotationally connected with the piston assembly 1101; conduit one 1102, connected to piston assembly 1101; a second conduit 1103, one end of which is connected with the piston assembly 1101 and the other end of which is connected with the air bag 8, wherein a stirrer is arranged in the cylinder 6, and the motor 902 drives the stirrer to rotate through a transmission set 903; the cleaning plate 503 and the water pump 5 are arranged on the bottom plate 1; the first spray head 504 is fixedly connected to the cleaning plate 503; the second spray head 10 is fixedly connected to the stirrer; the pressurizing pipe 501 is fixedly connected to the bottom plate 1, one end of the pressurizing pipe 501 is connected with the output end of the water pump 5, the other end of the pressurizing pipe is connected with the first spray head 504, the second spray head 10 is connected with the pressurizing pipe 501 through the third pipeline 1001, the reciprocating screw rod 401 is rotatably connected to the bottom plate 1, the sliding sleeve 201 is in threaded connection with the reciprocating screw rod 401, and the driving portion 4 used for driving the reciprocating screw rod 401 to rotate is arranged on the bottom plate 1.

The agitator includes pivot 9, and pivot 9 rotates to be connected on sealed lid 601, and pivot 9 outer wall fixedly connected with puddler 901.

The bottom of the cylinder body 6 is connected with a discharging pipe 602, the discharging pipe 602 is connected with a valve switch I603, the top of the cylinder body 6 is provided with a sealing gasket 606, and the sealing gasket 606 is attached to the sealing cover 601.

When in use, the sealing cover 601 inserted on the cylinder 6 is firstly taken down, then the spherical filler is filled in the cylinder 6, after the spherical filler is filled, a proper amount of demineralized water is poured into the cylinder body 6, and then the sealing cover 601 is clamped at the top of the cylinder body 6, at this time, opening the second valve switch 607 and the first valve switch 603, ammonia gas enters the cylinder 6 from a plurality of groups of air inlet holes arranged on the first pipe 604, and is further absorbed by the desalted water in the cylinder 6 and discharged through the discharge pipe 602, then the gas is discharged into an external device for preparing liquid CO2 by refrigeration to prepare liquid CO2, as the spherical filler is filled in the cylinder 6, the ammonia volatilization can be reduced, the ammonia absorption rate is further improved, and the sealing gasket 606 at the top of the cylinder 6 is jointed with the sealing cover 601, the sealing performance of the cylinder 6 can be improved, so that the ammonia is prevented from leaking when being absorbed and volatilized in the cylinder 6;

meanwhile, the motor 902 is started, the motor 902 drives the rotating shaft 9 to rotate through the transmission set 903, the rotating shaft 9 drives the stirring rod 901 to rotate, and further the contact area between the desalted water and the ammonia gas can be increased, so that the ammonia gas absorption rate is further improved, meanwhile, the motor 902 drives the crankshaft 11 to rotate, the crankshaft 11 drives the piston assembly 1101 to move, because the piston assembly 1101 comprises a piston cylinder, a piston plate connected in the piston cylinder in a sliding manner, and a piston rod connected on the piston plate in a rotating manner, the piston assembly 1101 is connected with the crankshaft 11 in a rotating manner, that is, one end of the piston rod, which is far away from the piston plate, is sleeved on the crankshaft 11, so that the crankshaft 11 drives the piston plate to slide in the piston cylinder in a reciprocating manner through the piston rod, at the moment, the two sets of piston assemblies 1101 move alternately, so that the piston assembly 1101 extracts external air through the first conduit 1102 and then conveys the air into the second conduit 1103, and finally the air is discharged into the air bag 8 through the air outlet end of the second conduit 1103, the first guide pipe 1102 and the second guide pipe 1103 are both connected with one-way valves to inflate the air bag 8, and the inflated air bag 8 is tightly attached to a sealing groove formed in the inner wall of the cylinder 6, so that the sealing performance of the cylinder 6 is further improved.

The second pipe 801 is connected to an air release valve 803, so that when the air pressure in the air bag 8 is high, the air pressure can be automatically released, and the air pressure in the air bag 8 is kept constant.

Example 2: referring to fig. 1, 2 and 3, the device for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic utilization is substantially the same as that of embodiment 1, further, an inserted link 701 is fixedly connected to a sealing cover 601, a connecting block 7 is fixedly connected to the outer wall of a cylinder 6, a groove 702 is arranged on the inserted link 701, a fixing block 703 is slidably connected to the groove 702, and a spring 704 is connected between the fixing block 703 and the groove 702.

The air bag 8 is connected with a second pipeline 801, the air inlet end of the second pipeline 801 is communicated with the inner wall of the air bag 8, and the second pipeline 801 is connected with a third valve switch 802 and an air release valve 803.

When spherical filler needs to be filled into the barrel 6, firstly, the valve switch III 802 is opened, gas in the air bag 8 is discharged out of the air bag 8 through the pipeline II 801, so that the air bag 8 contracts when the gas is reduced, then, the fixing block 703 is pressed into the groove 702, the fixing block 703 moves towards the groove 702, the spring 704 is compressed until the fixing block 703 retracts into the groove 702, then, the sealing cover 601 is moved upwards, the inserting rod 701 can be conveniently extracted from the connecting block 7, at the moment, an opening is formed in the top of the barrel 6, and an operator can conveniently fill the spherical filler into the barrel 6.

It should be noted that the third pipe 1001 is a hose, so that the third pipe 1001 does not interfere with the insertion rod 701 when the sealing cover 601 is moved upward to facilitate the extraction of the insertion rod 701 from the connection block 7.

Example 3: referring to fig. 1, 2 and 4, the apparatus for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic is substantially the same as that of embodiment 1, and further, the driving part 4 comprises an impeller fixedly connected to one end of a reciprocating screw rod 401 penetrating through a pressure increasing pipe 501.

When the surface of the solar panel 202 and the inner wall of the barrel 6 need to be cleaned, firstly, a water source is connected to the input end of the water pump 5, the water pump 5 is started, the water pump 5 pumps water connected with the water source and conveys the water into the booster pipe 501, when the water passes through the booster pipe 501, the reciprocating screw rod 401 is driven to rotate through the impeller, the reciprocating screw rod 401 drives the sliding sleeve 201 to reciprocate up and down under the limit of the supporting rod 2, so that the sliding sleeve 201 drives the solar panel 202 to reciprocate up and down, at the moment, the water conveyed into the booster pipe 501 is sprayed out through the first nozzle 504, and then the solar panel 202 can be washed with surface dust when passing through the first nozzle 504 and is attached to the surface of the solar panel 202 by matching with the cleaning plate 503, so that the effect of cleaning the surface dust on the solar panel 202 can be further improved, the light-gathering effect of the solar panel 202 is increased, and the power generation efficiency is improved;

meanwhile, as the water flow input into the pressure increasing pipe 501 is large, part of the water flow is conveyed into the second spray head 10 through the pressure increasing pipe 501 and the third pipeline 1001 and sprayed out, meanwhile, the motor 902 is started, the motor 902 drives the stirrer to rotate through the transmission set 903, the stirrer drives the second spray head 10 to synchronously rotate, the water sprayed out of the second spray head 10 can flush the inner wall of the cylinder body 6, and the flushed water is discharged out of the cylinder body 6 through the discharge pipe 602.

It should be noted that, the pipeline three 1001 is provided in two segments, and the connection ends of the two segments of the pipeline three 1001 are connected through a rotary joint arranged at the top of the rotating shaft 9, so that when the motor 902 drives the rotating shaft 9 to rotate through the transmission set 903, the pipeline three 1001 does not interfere with the rotation of the rotating shaft 9.

Example 4: referring to fig. 1, 2 and 4, the device for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic is different from embodiment 3 in that the driving part 4 includes a handle fixedly connected to the end of the reciprocating screw rod 401, and the pressure increasing tube 501 is provided with a sealing ring 502, and the sealing ring 502 is attached to the outer wall of the reciprocating screw rod 401.

The solar panel 202 and the sliding sleeve 201 are detachably connected through the mounting bolt 203.

When maintenance or maintenance are dismantled to solar panel 202 to needs, operating personnel rotates through the reciprocal lead screw 401 of handle drive, and reciprocal lead screw 401 drive sliding sleeve 201 is in bracing piece 2 spacing downstream down, and simultaneously, sliding sleeve 201 drives can dismantle solar panel 202 synchronous downstream of connection on sliding sleeve 201, and then reduces solar panel 202 height to be convenient for operating personnel to dismantle maintenance or maintenance to it.

It should be noted that, the water tank is externally connected to the input end of the water pump 5, and when the water pump 5 pumps water in the external water tank and passes through the pressure increasing pipe 501, the water is attached to the outer wall of the reciprocating screw rod 401 through the sealing ring 502 arranged on the pressure increasing pipe 501, so that the sealing performance of the pressure increasing pipe 501 can be improved, and thus the water flow is prevented from leaking when passing through the pressure increasing pipe 501.

Example 5: referring to fig. 1 and 2, the device for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic utilization is basically the same as that in embodiment 1, and further, a protection shell 3 is connected to a base plate 1, heat dissipation holes 301 are formed in the protection shell 3, and a filter screen 302 is arranged in the heat dissipation holes 301; through closing the protecting crust 3 on battery 204, and then can provide the protection to battery 204, and battery 204 can produce the heat when charging or providing the electric energy to equipment, at this moment, through louvre 301 on protecting crust 3, and then can play the radiating effect to battery 204 in protecting crust 3 to through filter screen 302 in louvre 301, and then can effectively prevent outside worm from getting into in the protecting crust 3.

Example 6: referring to fig. 1 and 2, the device for preparing liquid CO2 by ammonia absorption refrigeration based on photovoltaic is substantially the same as that of embodiment 1, and further, a sleeve 101 is fixedly installed on the bottom plate 1, a threaded rod 102 is connected to the sleeve 101 through an internal thread, and a base 103 is fixedly connected to the tail end of the threaded rod 102; when the ground of a working place is uneven, the sleeves 101 are arranged in four groups at equal intervals, so that workers can drive the threaded rod 102 to rotate through the handles fixedly connected to the threaded rod 102, at the moment, the threaded rod 102 correspondingly extends or retracts, the base 103 can be attached to the ground better, and the stability of the bottom plate 1 is improved.

According to the invention, when the solar panel 202 supplies electric energy to the equipment, dust on the surface of the solar panel 202 can be cleaned, so that the light condensation effect of the solar panel 202 is increased, and the power generation efficiency is improved; through the agitator and then can increase the area of contact of demineralized water with the ammonia to when improving the ammonia absorptivity, move through piston assembly 1101 and supply air in to gasbag 8, make its gasbag 8 inflation, and then can improve the leakproofness of barrel 6.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Device based on liquid CO2 is prepared in ammonia absorption refrigeration to photovoltaic utilization, including bottom plate (1), fixed mounting has bracing piece (2) on bottom plate (1), its characterized in that still includes:

a sliding sleeve (201) which is connected with the supporting rod (2) in a sliding way;

the solar panel (202) is detachably connected to the sliding sleeve (201);

a battery (204) connected to the base plate (1);

the barrel body (6) is fixedly arranged on the bottom plate (1), the interior of the barrel body (6) is hollow, and a sealing cover (601) is detachably connected to the barrel body (6);

the sealing block (605) is fixedly connected to the sealing cover (601), and an air bag (8) is arranged on the outer side of the sealing block (605);

the first pipeline (604) is connected to the barrel (6), and a second valve switch (607) is connected to the first pipeline (604);

the motor (902) and the piston assembly (1101) are fixedly arranged on the sealing cover (601);

the crankshaft (11) is sleeved on the output end of the motor (902) and is rotationally connected with the piston assembly (1101);

a first conduit (1102) connected to the piston assembly (1101);

a second conduit (1103) having one end connected to the piston assembly (1101) and the other end connected to the balloon (8),

the stirrer is arranged in the barrel (6), and the motor (902) drives the stirrer to rotate through a transmission set (903);

the cleaning plate (503) and the water suction pump (5) are arranged on the bottom plate (1);

the first spray head (504) is fixedly connected to the cleaning plate (503);

the second spray head (10) is fixedly connected to the stirrer;

a pressure increasing pipe (501) fixedly connected on the bottom plate (1), one end of the pressure increasing pipe is connected with the output end of the water pump (5), the other end of the pressure increasing pipe is connected with a first spray nozzle (504),

the second spray head (10) is connected with the pressure increasing pipe (501) through the third pipeline (1001), the bottom plate (1) is connected with a reciprocating screw rod (401) in a rotating mode, the sliding sleeve (201) is connected to the reciprocating screw rod (401) in a threaded mode, and a driving portion (4) used for driving the reciprocating screw rod (401) to rotate is arranged on the bottom plate (1).

2. The device for preparing liquid CO2 by utilizing ammonia absorption refrigeration based on photovoltaic utilization according to claim 1, wherein the stirrer comprises a rotating shaft (9), the rotating shaft (9) is rotatably connected to the sealing cover (601), and a stirring rod (901) is fixedly connected to the outer wall of the rotating shaft (9).

3. The device for preparing liquid CO2 through ammonia absorption refrigeration based on photovoltaic utilization according to claim 2, wherein an insertion rod (701) is fixedly connected to the sealing cover (601), a connecting block (7) is fixedly connected to the outer wall of the cylinder (6), a groove (702) is formed in the insertion rod (701), a fixing block (703) is slidably connected to the groove (702), and a spring (704) is connected between the fixing block (703) and the groove (702).

4. The device for preparing liquid CO2 by utilizing ammonia absorption refrigeration based on photovoltaic utilization according to claim 1, wherein a second pipeline (801) is connected to the airbag (8), the air inlet end of the second pipeline (801) is communicated with the inner wall of the airbag (8), and a third valve switch (802) and an air release valve (803) are connected to the second pipeline (801).

5. The device for preparing liquid CO2 by utilizing photovoltaic power to absorb and refrigerate ammonia is characterized in that a material discharging pipe (602) is connected to the bottom of the cylinder body (6), a first valve switch (603) is connected to the material discharging pipe (602), a sealing gasket (606) is arranged on the top of the cylinder body (6), and the sealing gasket (606) is attached to the sealing cover (601).

6. The device for preparing liquid CO2 by utilizing the photovoltaic power to absorb and refrigerate ammonia is characterized in that the driving part (4) comprises an impeller which is fixedly connected to one end of a reciprocating screw rod (401) penetrating through a booster pipe (501).

7. The device for preparing liquid CO2 by utilizing photovoltaic power to absorb and refrigerate ammonia is characterized in that the driving part (4) comprises a handle, the handle is fixedly connected to the tail end of the reciprocating screw rod (401), a sealing ring (502) is arranged on the pressure increasing pipe (501), and the sealing ring (502) is attached to the outer wall of the reciprocating screw rod (401).

8. The device for preparing liquid CO2 by utilizing ammonia absorption refrigeration based on photovoltaic utilization is characterized in that the solar panel (202) and the sliding sleeve (201) are detachably connected through a mounting bolt (203).

9. The device for preparing liquid CO2 by utilizing photovoltaic power to absorb and refrigerate ammonia according to claim 1, wherein a protective shell (3) is connected to the bottom plate (1), heat dissipation holes (301) are formed in the protective shell (3), and a filter screen (302) is arranged in the heat dissipation holes (301).

10. The device for preparing liquid CO2 by utilizing ammonia absorption refrigeration based on photovoltaic utilization as claimed in claim 9, wherein a sleeve (101) is fixedly installed on the bottom plate (1), a threaded rod (102) is connected to the sleeve (101) in an internal thread manner, and a base (103) is fixedly connected to the tail end of the threaded rod (102).