CN114165951A

CN114165951A - Low-pressure circulating barrel

Info

Publication number: CN114165951A
Application number: CN202111384522.2A
Authority: CN
Inventors: 王哲; 张树彬
Original assignee: Jiangsu Runhua Film Industry Technology Co ltd
Current assignee: Jiangsu Runhua Film Industry Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-03-11

Abstract

The invention discloses a low-pressure circulating barrel, and particularly relates to the field of refrigeration house equipment. According to the ammonia recycling device, the external connection box, the external connection pipe and the conveying pipe are arranged, ammonia liquid entering the injection pipe from the air inlet enters the barrel body after being circularly transmitted in the barrel body through the conveying pipe, so that the eddy phenomenon generated when the liquid enters the pump is greatly reduced, meanwhile, the resistance loss is reduced, the temperature in the barrel body can be adapted to the temperature in the conveying pipe when the liquid enters the barrel body, the condition of frost fog is reduced, the overall recycling efficiency of the ammonia liquid is ensured, when the liquid level reaches the warning height, the electromagnetic valve and the check valve are opened, the liquid can be transmitted to the external connection box through the external connection pipe, and the occurrence of accidents caused by overhigh liquid level is avoided.

Description

Low-pressure circulating barrel

Technical Field

The invention relates to the technical field of refrigeration house equipment, in particular to a low-pressure circulating barrel.

Background

In the field of refrigeration, liquid ammonia is a common refrigerant, and a low-pressure circulating barrel is one of circulating barrels, is arranged in an ammonia pump liquid supply refrigeration system and has the function of ensuring that low-pressure ammonia liquid is sufficiently supplied to an ammonia pump. In the use process, a low-pressure circulating barrel storing liquid ammonia and an ammonia pump are generally assembled together to form a barrel-pump integrated cooling device, and the barrel-pump integrated cooling device has the functions of liquid level display, ultrahigh alarm and the like. The liquid level display device is based on the principle of a communicating vessel, a transparent liquid level pipe communicated with the interior of the circulating barrel is arranged outside the low-pressure circulating barrel, and a worker can judge the liquid level in the circulating barrel through the liquid level in the liquid level pipe outside the low-pressure circulating barrel.

The liquid level height of the existing low-pressure circulating barrel needs to be monitored all the time in the using process, different valves need to be manually controlled to adjust when the liquid level reaches a warning line, the operation is complex, errors are prone to occurring, and the ammonia liquid is greatly lost in the circulating barrel, so that the invention of the low-pressure circulating barrel is necessary.

Disclosure of Invention

To overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a low pressure recycle bin.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a low pressure circulation bucket, includes the staving, the staving top is equipped with air inlet and gas outlet, be equipped with the recoil mouth between air inlet and the gas outlet, the inside injection tube that is equipped with of staving, the injection tube bottom is connected with the conveyer pipe, conveyer pipe one end is connected with the external pipe, the fixed external case that connects that is equipped with in the staving outside, the staving is inside evenly to be equipped with a plurality of level gauges, staving outside surface is equipped with the oil filler hole, the staving front side surface is equipped with control panel.

In a preferred embodiment, a backflushing port is arranged between the air inlet and the air outlet, a safety valve is arranged on one side of the backflushing port, the air inlet, the air outlet, the backflushing port and the safety valve are communicated with the barrel body, and an insulation sleeve is arranged on the outer side surface of the air inlet, the air outlet, the backflushing port and the safety valve in a surrounding mode.

In a preferred embodiment, the bottom of the pressure gauge is provided with a pressure detection column, the pressure detection column is arranged inside the barrel body, the surface of the pressure detection column is provided with a temperature sensor, and the output ends of the temperature sensor and the liquid level meter are both connected with the input end of the control panel.

In a preferred embodiment, the air inlet and the bottom are communicated with an inlet pipe, and one end of the inlet pipe is communicated with the injection pipe.

In a preferred embodiment, the conveying pipe is provided as a circulating coil pipe, and the bottom of the conveying pipe is provided with a feed opening.

In a preferred embodiment, an electromagnetic valve is arranged between the external connecting pipe and the conveying pipe, a check valve is arranged at the other end of the external connecting pipe, the external connecting pipe penetrates through the barrel body and extends to the inside of the external connecting box, the check valve is arranged inside the external connecting box, and an alarm is arranged on the surface of the external connecting box.

In a preferred embodiment, an oil outlet is formed in the bottom surface of the barrel body, an ammonia outlet is formed outside the oil outlet, the number of the oil outlet and the number of the ammonia outlets are two, and a filter and an ammonia pump are sequentially connected outside the ammonia outlet.

The invention has the technical effects and advantages that:

1. according to the ammonia liquid recycling device, the external connection box, the external connection pipe and the conveying pipe are arranged, ammonia liquid entering the injection pipe from the air inlet enters the barrel body after being circularly transmitted in the barrel body through the conveying pipe, so that the eddy phenomenon generated when the liquid enters the pump is greatly reduced, meanwhile, the resistance loss is reduced, the temperature in the barrel body can be adapted to the temperature in the conveying pipe when the liquid enters the barrel body, the occurrence of frost fog is reduced, the overall recycling efficiency of the ammonia liquid is ensured, when the liquid level reaches the warning height, the electromagnetic valve and the check valve are opened, the liquid can be transmitted into the external connection box through the external connection pipe, the occurrence of accidents caused by overhigh liquid level is avoided, and the barrel body is well protected and emergency countermeasures are taken;

2. through being equipped with oil-out, oil filler hole and recoil mouth, by the oil filler hole to injecting the refrigeration oil into the staving, the refrigeration oil is spread and can be prevented effectively in staving bottom inner wall that the ammonia outlet from crossing the condition that the pipeline damaged appears with the ammonia liquid contact temperature excessively, need discharge by the oil-out earlier when ammonia again by the ammonia pump work in the outside use of taking out the ammonia liquid, the life of equipment is guaranteed simultaneously in the loss of avoiding the ammonia liquid.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a side view of the overall structure of the present invention.

The reference signs are: 1 barrel body, 11 air inlet, 12 air outlet, 13 backflushing port, 14 safety valve, 2 pressure gauge, 21 pressure detection column, 3 injection pipe, 4 delivery pipe, 5 external pipe, 51 electromagnetic valve, 52 check valve, 6 external box, 61 alarm, 7 liquid level meter, 8 oil filling port, 81 oil outlet, 82 ammonia outlet, 9 control panel.

Detailed Description

According to the low pressure circulation bucket that fig. 1-2 shows, including staving 1, 1 top of staving is equipped with air inlet 11 and gas outlet 12, be equipped with recoil mouth 13 between air inlet 11 and the gas outlet 12, 1 inside filling tube 3 that is equipped with of staving, 3 bottoms of filling tube are connected with conveyer pipe 4, 4 one end of conveyer pipe are connected with external pipe 5, 1 outside fixed be equipped with external box 6 of staving, 1 inside evenly is equipped with a plurality of level gauges 7 of staving, 1 outside surface of staving is equipped with oil filler 8, 1 front side surface of staving is equipped with control panel 9.

All be equipped with recoil mouth 13 between air inlet 11 and the gas outlet 12, recoil mouth 13 one side is equipped with relief valve 14, and air inlet 11, gas outlet 12, recoil mouth 13 and relief valve 14 all encircle with 1 intercommunication of staving and the outside surface and are equipped with the insulation cover, and the insulation cover is imitated and is guaranteed that air inlet 11, gas outlet 12, recoil mouth 13 and relief valve 14 stable the avoiding of avoiding to cross excessively to lead to the damage.

2 bottoms of manometer are equipped with pressure detection post 21, and pressure detection post 21 sets up and is equipped with temperature sensor in 1 inside and pressure detection post 21 surfaces of staving, and temperature sensor and 7 outputs of level gauge all are connected with control panel 9 input, and the temperature sensor model sets up to PT100, and temperature sensor and 7 interior stabilities of detection staving of level gauge 1 and liquid level height and real-time transmission signal to control panel 9.

The air inlet 11 and the bottom are communicated with an inlet pipe, and one end of the inlet pipe is communicated with the injection pipe 3.

Conveyer pipe 4 sets up to the circulation coiled pipe, and conveyer pipe 4 bottom is equipped with the feed opening, and the ammonia liquid that gets into in the injection pipe 3 by air inlet 11 gets into staving 1 through conveyer pipe 4 after 1 inner loop transmission of staving again, produces the vortex phenomenon when very big reduction liquid advances the pump, reduces the drag loss simultaneously.

Be equipped with solenoid valve 51 between external pipe 5 and the conveyer pipe 4, the external pipe 5 other end is equipped with check valve 52, external pipe 5 runs through staving 1 and extends to external case 6 inside, and check valve 52 sets up inside external case 6, and external case 6 surface is equipped with siren 61, and when the liquid level reachd the warning height, solenoid valve 51 and check valve 52 were opened, and liquid can be by external pipe 5 outwards connects the interior transmission of case 6, avoids the liquid level too high accident that takes place.

Staving 1 bottom surface is equipped with oil-out 81, and the oil-out 81 outside is equipped with out ammonia mouth 82, and oil-out 81 and the quantity of going out ammonia mouth 82 all set up to two, and the ammonia mouth 82 outside has connected gradually filter and ammonia pump, by the oil filler 81 to injecting into the frozen oil in staving 1, frozen oil is spread and can effectively prevent out ammonia mouth 82 and the too low condition that appears the pipeline damage of ammonia liquid contact temperature at 1 bottom inner wall of staving.

The working principle of the invention is as follows:

referring to the description of the drawings, figure 1: the ammonia liquid entering the injection pipe 3 from the air inlet 11 enters the barrel body 1 after being circularly transmitted in the barrel body 1 through the conveying pipe 4, so that the eddy phenomenon generated when the liquid enters a pump is greatly reduced, meanwhile, the resistance loss is reduced, the liquid entering the barrel body 1 can adapt to the temperature in the barrel body 1 in the conveying pipe 4, the occurrence of frost fog is reduced, the integral recovery efficiency of the ammonia liquid is ensured, when the liquid level reaches the warning height, the electromagnetic valve 51 and the check valve 52 are opened, the liquid can be transmitted into the external connection box 6 through the external connection pipe 5, the occurrence of accidents caused by overhigh liquid level is avoided, and the barrel body 1 is well protected and emergently taken;

referring to the description figures 1 and 2: by injecting the refrigeration oil into the staving 1 by the oil filler 81, the refrigeration oil is spread on the inner wall of the bottom of the staving 1 and can effectively prevent the condition that the pipeline is damaged due to the excessively low contact temperature of the ammonia outlet 82 and the ammonia liquid, and the ammonia liquid is pumped out for use by the work of the ammonia pump on the outer side after the refrigeration oil is discharged by the oil outlet 81 when the ammonia is required to be discharged, so that the loss of the ammonia liquid is avoided, and the service life of the equipment is ensured.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a low pressure circulation bucket, includes staving (1), its characterized in that: staving (1) top is equipped with air inlet (11) and gas outlet (12), be equipped with recoil mouth (13) between air inlet (11) and gas outlet (12), staving (1) inside is equipped with injection pipe (3), injection pipe (3) bottom is connected with conveyer pipe (4), conveyer pipe (4) one end is connected with outer takeover (5), staving (1) outside is fixed to be equipped with and connects case (6) outward, staving (1) inside evenly is equipped with a plurality of level gauges (7), staving (1) outside surface is equipped with oil filler (8), staving (1) front side surface is equipped with control panel (9).

2. A low pressure circulating tub as claimed in claim 1, wherein: the hot air washing barrel is characterized in that a backflushing opening (13) is formed between the air inlet (11) and the air outlet (12), a safety valve (14) is arranged on one side of the backflushing opening (13), the air inlet (11), the air outlet (12), the backflushing opening (13) and the safety valve (14) are communicated with the barrel body (1), and the outer side surface of the barrel body is provided with a heat insulation sleeve in a surrounding mode.

3. A low pressure circulating tub as claimed in claim 1, wherein: manometer (2) bottom is equipped with pressure detection post (21), pressure detection post (21) set up and are equipped with temperature sensor in staving (1) inside and pressure detection post (21) surface, temperature sensor and level gauge (7) output all are connected with control panel (9) input.

4. A low pressure circulating tub as claimed in claim 1, wherein: the air inlet (11) and the bottom are communicated with an inlet pipe, and one end of the inlet pipe is communicated with the injection pipe (3).

5. A low pressure circulating tub as claimed in claim 1, wherein: the conveying pipe (4) is a circular coiled pipe, and a feed opening is formed in the bottom of the conveying pipe (4).

6. A low pressure circulating tub as claimed in claim 1, wherein: be equipped with solenoid valve (51) between external pipe (5) and conveyer pipe (4), external pipe (5) other end is equipped with check valve (52), external pipe (5) run through staving (1) and extend to external box (6) inside, check valve (52) set up inside external box (6), external box (6) surface is equipped with siren (61).

7. A low pressure circulating tub as claimed in claim 1, wherein: the bottom surface of the barrel body (1) is provided with an oil outlet (81), the outer side of the oil outlet (81) is provided with an ammonia outlet (82), the number of the oil outlets (81) and the number of the ammonia outlets (82) are both set to be two, and the outer side of the ammonia outlet (82) is sequentially connected with a filter and an ammonia pump.