CN212362529U - Purification device and air conditioning unit that separation efficiency is high - Google Patents
Purification device and air conditioning unit that separation efficiency is high Download PDFInfo
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- CN212362529U CN212362529U CN202021897970.3U CN202021897970U CN212362529U CN 212362529 U CN212362529 U CN 212362529U CN 202021897970 U CN202021897970 U CN 202021897970U CN 212362529 U CN212362529 U CN 212362529U
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Abstract
The utility model provides a purification device and air conditioning unit that separation efficiency is high. The purification device comprises: a shell and a heat exchange pipeline; and the refrigerant in the heat exchange pipeline exchanges heat with the gas to be purified in the shell. The utility model provides a purification device and air conditioning unit that separation efficiency is high, set up the fin on the inside heat exchange tube way of casing, increase the inside cooling effect of purification device, thereby the separation effect of purifying gas is treated in the increase, divide into a plurality of separation purification district with the casing is inside simultaneously and make and treat that condensing gas carries out the multistage separation, further isolate the purity high, the noncondensable gaseous state that does not contain gaseous state refrigerant almost, finally can directly discharge to the atmosphere, and the liquid refrigerant of isolating is retrieved to centrifuge group through the pipeline and is in the system, cyclic utilization, and set up baffle plate and separation net, avoid liquid refrigerant to be carried by noncondensable gas and cause the waste.
Description
Technical Field
The utility model relates to an air treatment equipment technical field, especially a purification device and air conditioning unit that separation efficiency is high.
Background
Adopt the centrifugal chiller of novel refrigerant, in the centrifugal unit system of novel refrigerant working medium such as R1233zd (E), because the physical characteristic of its negative pressure of refrigerant working medium itself, the unit is at operating mode operation in-process, and the unit is inside always to form some low-pressure regions that the pressure is still low than external atmospheric pressure, and at this moment, external air and vapor etc. just can enter into the chiller system through these low-pressure regions, finally gather in the condensation. The gaseous refrigerant working medium in the condenser is liquefied into a liquid refrigerant through heat exchange, and the gas entering the centrifuge unit system from the outside cannot be condensed under the pressure of the condenser and the water temperature of cooling water to form non-condensable gas, so that the condensing capacity of the condenser is reduced. Along with the long-term operation of unit, noncondensable gas will accumulate more and more overhead at the condenser inner chamber, seriously influence unit refrigerating output and operating efficiency, all directly utilize the heat transfer pipeline to treat that purification gas cools off among the prior art, and the cooling effect is poor, causes the purification effect of purification system poor, finally causes the problem of cooling water set's reliability decline.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem of poor cooling effect in a purification device in the prior art, the purification device with the fins and high separation efficiency and the air conditioning unit are provided.
A purification apparatus comprising:
a housing;
the heat exchange pipeline is arranged inside the shell, and fins are arranged on the heat exchange pipeline;
and the refrigerant in the heat exchange pipeline exchanges heat with the gas to be purified in the shell.
The inlet of the heat exchange pipeline is communicated with the liquid refrigerant outlet of the condenser, and the outlet of the heat exchange pipeline is communicated with the condenser.
And a throttling mechanism is arranged between the liquid refrigerant outlet and the inlet of the heat exchange pipeline.
The purification device also comprises a partition board, the partition board divides the interior of the shell into at least two separation and purification areas, and all the separation and purification areas are sealed relatively;
each separation and purification area is internally provided with a set of heat exchange pipeline, and the gas to be purified sequentially passes through all the separation and purification areas.
All the heat exchange pipelines are connected in parallel, inlets of the heat exchange pipelines are communicated with a liquid refrigerant outlet of the condenser, and outlets of the heat exchange pipelines are communicated with the condenser.
The quantity of baffle is one, the baffle set up in inside the casing, will the casing divide into first separation purification district and second separation purification district, treat that purification gas passes through in proper order first separation purification district with second separation purification district.
When the housing is vertically disposed, the second separation and purification zone is above the first separation and purification zone.
A communication pipeline is arranged between the first separation and purification area and the second separation and purification area, the first end of the communication pipeline is communicated with the upper part of the first separation and purification area, and the second end of the communication pipeline is communicated with the part above the liquid level in the second separation and purification area.
And the second end of the communication pipeline points to the heat exchange pipeline in the second separation and purification area.
The purification device further comprises a liquid baffle plate, an exhaust port for exhausting non-condensable gas is formed in the shell, and the liquid baffle plate is arranged between the exhaust port and the heat exchange pipeline.
The edge of the liquid baffle plate and the inner surface of the shell are arranged in a sealing mode, and the liquid baffle plate is provided with air passing holes.
The diameter range of the air passing hole is 4mm to 15 mm.
The shell is internally divided into at least two separation and purification areas, all the separation and purification areas are relatively sealed, each separation and purification area is internally provided with one set of heat exchange pipeline, the gas to be purified sequentially passes through all the separation and purification areas, and the liquid baffle plate is arranged in the last separation and purification area.
When the shell is vertically arranged, the distance from the liquid baffle to the upper surface of the separation and purification area is one third to three fifths of the height of the separation and purification area.
The purification device further comprises a separation net which is arranged between the liquid baffle and the exhaust port.
The shell is provided with an air intake and a liquid return port, and the air intake and the liquid return port are communicated with the condenser.
And a dryer is arranged between the liquid return port and the condenser.
The heat exchange pipelines are spirally distributed in the shell; or the heat exchange pipelines are distributed in the shell in a star shape.
An air conditioning unit, includes foretell purification device.
The utility model provides a purification device and air conditioning unit that separation efficiency is high, set up the fin on the inside heat exchange tube way of casing, increase the inside cooling effect of purification device, thereby the separation effect of purifying gas is treated in the increase, divide into a plurality of separation purification district with the casing is inside simultaneously and make and treat that condensing gas carries out the multistage separation, further isolate the purity high, the noncondensable gaseous state that does not contain gaseous state refrigerant almost, finally can directly discharge to the atmosphere, and the liquid refrigerant of isolating is retrieved to centrifuge group through the pipeline and is in the system, cyclic utilization, and set up baffle plate and separation net, avoid liquid refrigerant to be carried by noncondensable gas and cause the waste.
Drawings
Fig. 1 is a schematic structural diagram of a purification apparatus and a purification apparatus of an embodiment of an air conditioning unit, which are provided by the present invention and have high separation efficiency;
fig. 2 is a sectional view of a heat exchange pipeline and fins of the embodiment of the purification device with high separation efficiency and the air conditioning unit provided by the present invention;
fig. 3 is a schematic view of a part of the structure of the air conditioning unit according to the embodiment of the present invention;
in the figure:
1. a housing; 2. a heat exchange line; 3. a fin; 4. a partition plate; 51. a first separation and purification zone; 52. a second separation and purification zone; 6. a liquid baffle; 7. a separation net; 8. a throttle mechanism; 9. a condenser.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The purification apparatus shown in fig. 1 to 3 includes a housing 1; the heat exchange pipeline 2 is arranged inside the shell 1, and fins 3 are arranged on the heat exchange pipeline 2; the heat exchange is carried out between the refrigerant in the heat exchange pipeline 2 and the gas to be purified in the shell 1, a gas circulation channel to be purified of the gas to be purified is formed in the shell 1, a refrigerant circulation channel for refrigerant circulation is formed in the heat exchange pipeline 2, the refrigerant is cooled in the gas to be purified through the pipe wall of the heat exchange pipeline 2 and the fins 3 arranged on the pipe wall, so that the gaseous refrigerant in the gas to be purified is condensed into liquid, the non-condensable gas cannot be condensed into liquid due to overhigh dew point, the separation of the refrigerant and the non-condensable gas is finally realized, the problem of poor cooling effect in a purification device in the prior art is solved by the fins 3, and the purification effect of the purification device is improved.
The inlet of the heat exchange pipeline 2 is communicated with the liquid refrigerant outlet of the condenser 9, the outlet of the heat exchange pipeline 2 is communicated with the condenser 9, namely the liquid refrigerant introduced into the condenser 9 in the heat exchange pipeline 2, and the refrigerant flows back into the condenser 9 after exchanging heat with the gas to be purified in the shell 1 in the heat exchange pipeline 2, wherein when the shell 1 is vertically arranged, the inlet and outlet distribution conditions of the heat exchange pipeline 2 comprise upper inlet (liquid state) lower outlet (gas state), lower inlet and upper outlet or side inlet and side outlet.
A throttling mechanism 8 is arranged between the outlet of the liquid refrigerant and the inlet of the heat exchange pipeline 2, the liquid refrigerant is throttled by the throttling mechanism 8, so that the high-temperature and high-pressure liquid refrigerant in the condenser 9 is throttled by the throttling mechanism 8 (electronic expansion valve) to become a low-temperature and low-pressure liquid refrigerant, and then the purified gas is cooled.
The purifying device also comprises a partition plate 4, wherein the partition plate 4 divides the interior of the shell 1 into at least two separation and purification areas, and all the separation and purification areas are sealed relatively, so that each separation and purification area forms a separate sealed space; each separation and purification area is internally provided with a set of heat exchange pipeline 2, and the gas to be purified sequentially passes through all the separation and purification areas, so that the multistage cooling and separation of the gas to be purified are realized and the separation effect is increased on the premise of not increasing the occupied space of a purification device.
All heat transfer pipeline 2 all connects in parallel and sets up, and each heat transfer pipeline 2's entry all communicates with the liquid refrigerant export of condenser 9, each heat transfer pipeline 2's export all with the one end of condenser 9 intercommunication, also all heat transfer pipeline 2 obtain the liquid refrigerant by the liquid refrigerant exit of condenser 9 promptly, and finally flow back to condenser 9 in, guarantee that the cooling effect in every separation and purification district is all reliable, guarantee to treat that the gas of purifying can all carry out reliable separation in every separation and purification district, guarantee the separation and purification effect.
The number of the partition boards 4 is one, the partition boards 4 are arranged inside the shell 1, the shell 1 is divided into a first separation and purification area 51 and a second separation and purification area 52, and the gas to be purified sequentially passes through the first separation and purification area 51 and the second separation and purification area 52, namely, the gas to be purified is subjected to secondary heat exchange.
When the housing 1 is vertically arranged, the second separation and purification area 52 is located above the first separation and purification area 51, so that the moving direction of the gas to be purified is opposite to the dropping direction of the liquid refrigerant, and the separation effect is increased.
A communication pipeline is arranged between the first separation and purification area 51 and the second separation and purification area 52, a first end of the communication pipeline is communicated with the upper part of the first separation and purification area 51, and a second end of the communication pipeline is communicated with the part above the liquid level in the second separation and purification area 52, so that the gas to be purified after the first-stage separation above the first separation and purification area 51 is effectively guided into the second separation and purification area 52, and the problem of gas liquid carrying caused by the contact of the gas to be purified entering the second separation and purification area 52 and the liquid refrigerant in the second separation and purification area 52 is avoided.
The second end of the communication pipeline points to the heat exchange pipeline 2 in the second separation and purification area 52, so that the gas to be purified entering the second separation and purification area 52 directly contacts with the heat exchange pipeline 2 to improve the separation and purification effect.
The purification device further comprises a liquid baffle plate 6, an exhaust port for exhausting non-condensable gas is formed in the shell 1, the liquid baffle plate 6 is arranged between the exhaust port and the heat exchange pipeline 2, and the liquid refrigerant after heat exchange reaction is prevented from being carried by the non-condensable gas and being exhausted to cause waste of the refrigerant by the liquid baffle plate 6.
Wherein, the liquid baffle plates 6 can be arranged in all the separation and purification areas, thereby reducing the liquid carrying problem of the non-condensable gas as much as possible.
The edge of the liquid baffle 6 and the inner surface of the shell 1 are sealed, the liquid baffle 6 is provided with air holes, and liquid refrigerants can be condensed near the air holes to form large liquid drops to drip when non-condensable gas can pass through the liquid baffle 6 by utilizing the air holes, so that the problem that the non-condensable gas carries liquid is avoided.
The diameter range of the air passing holes is 4mm to 15mm, preferably 9mm, and is specifically limited according to actual requirements.
1 inside two at least separation and purification districts that divide into of casing, all separation and purification district homogeneous phase is relative sealed, each separation and purification is distinguished and all is provided with one set heat transfer pipeline 2, treat that the purification gas passes through all in proper order the separation and purification district, just the baffle 6 sets up in last separation and purification distinguishes in, last one the noncondensable gas in separation and purification district directly discharges or discharges in noncondensable gas collecting bin, and the separation and purification of treating in the separation and purification district before can also carry out separation and purification once more, consequently, only need carry out the baffle in last separation and purification district, avoid noncondensable gas to bring the liquid problem can, effectual saving cost.
When the shell 1 is vertically arranged, the distance from the liquid baffle 6 to the upper surface of the separation and purification area is one third to three fifths of the height of the separation and purification area, and the specific size is selected according to the actual size of the shell 1.
Purification device still includes separation net 7, separation net 7 set up in keep off liquid board 6 with between the gas vent, carry out separation purification in proper order to the noncondensable gas through keep off liquid board 6, avoid taking the liquid problem.
The shell 1 is provided with an air intake port and a liquid return port, the air intake port and the liquid return port are both communicated with the condenser 9, namely, the gas to be purified which is separated and purified in the shell 1 is the gas above the condenser 9, and the liquid refrigerant purified in the shell 1 flows back into the condenser 9 and enters the refrigerant heat exchange cycle where the condenser 9 is located again.
A dryer is arranged between the liquid return port and the condenser 9 to dry the purified liquid refrigerant.
A liquid taking stop valve is arranged between the heat exchange pipeline 2 and a liquid refrigerant outlet of the condenser 9, a non-condensable gas outlet is arranged on the shell 1, and a discharge stop valve and a one-way valve are arranged at the outlet.
Specifically, the separation and purification area inside the shell 1 is two, and comprises a first-stage separation and purification area and a second-stage separation and purification area, the number of the heat exchange coils is also two, a first-stage regulation electronic expansion valve is arranged at an inlet of the heat exchange coil of the first-stage separation and purification area, a second-stage regulation electronic expansion valve is arranged at an inlet of the heat exchange coil of the second-stage separation and purification area, a gas taking electromagnetic valve is arranged on a communication pipeline between the shell 1 and the condenser 9, a liquid return electromagnetic valve is arranged on a communication pipeline between the first-stage separation and purification area and the second-stage separation and purification area, a liquid refrigerant recovery pipeline communicated with the condenser 9 is arranged at the bottom of the first-stage separation and;
when the purification device works, the liquid taking stop valve, the first-stage adjustment electronic expansion valve and the second-stage adjustment electronic expansion valve are opened firstly, the high-temperature and high-pressure liquid refrigerant in the condenser 9 is throttled by the adjustment electronic expansion valve to become low-temperature and low-pressure liquid refrigerant, and the low-temperature and low-pressure liquid refrigerant respectively enters the first-stage separation and purification area and the second-stage separation and purification area of the shell 1 through the pipeline flow passage. After a period of time, opening a gas taking electromagnetic valve, enabling a high-temperature and high-pressure gaseous mixture in the condenser 9 to enter a primary separation and purification area of the shell 1 through a pipeline flow channel along the top of the shell 1, and exchanging heat with a primary heat exchange coil in the primary separation and purification area, wherein a gaseous refrigerant in the mixture is liquefied into a liquid when meeting cold and deposited at the bottommost part of the primary separation and purification area; the noncondensable gas in the mixture enters the secondary separation and purification area along with a small amount of gaseous refrigerant through the pipeline flow channel due to the non-condensation when meeting the cold, the gas exchanges heat with the secondary heat exchange coil pipe in the secondary separation and purification area again, the gaseous refrigerant entering the secondary separation and purification area through the primary separation and purification area is liquefied and deposited at the bottom of the secondary separation and purification area when meeting the cold, when the accumulated liquid amount reaches a set value, the liquid return electromagnetic valve is opened, the liquid refrigerant in the secondary separation and purification area enters the refrigerant recovery cavity of the primary separation and purification area through the pipeline flow channel to be converged with the liquid refrigerant in the primary separation and purification area, then the recovery stop valve is opened, the liquid refrigerant enters the drying filter through the pipeline flow channel, and is finally recovered into the condenser 9 through the pipeline flow channel. And the noncondensable condenser 9 gas after the heat transfer purification in second grade separation purification district, the gaseous refrigerant content that it carried has been extremely low (concentration is nearly 0%), loop through liquid blocking plate and the separation net 7 that second grade separation purification district set up, enter into casing 1 top, open the exhaust stop valve, noncondensable gas discharges to the atmosphere through the pipeline runner, noncondensable gas discharge pipeline runner is provided with the one-way conduction valve, prevent at casing 1 when the noncondensable gas of outside atmosphere emission, the air permeates whole purification system again along the pipeline runner, reduce the purification effect. The liquid refrigerant in the first-stage heat exchange coil and the second-stage heat exchange coil is evaporated into a gaseous state due to the absorption of the heat of the gaseous mixture, and is finally recycled to the condenser 9 through the pipeline flow channel. In whole purification device system, the liquid stop valve of getting, retrieve stop valve and the exhaust stop valve that set up can all close when the purification device overhauls and die to independently come out whole purification device, convenient maintenance. In addition, according to the content of non-condensable gas in the centrifuge set system, a multi-stage heat exchange separation zone can be arranged, and the heat exchange separation zone is provided with a multi-stage heat exchange coil pipe so as to achieve the purification with the maximum effect.
The heat exchange pipelines 2 are spirally distributed inside the shell 1, so that the length of the heat exchange pipelines 2 inside the shell 1 is increased, and the cooling effect is improved.
The purification device further comprises a support piece, the support piece is fixedly arranged on the inner surface of the shell 1, the heat exchange pipeline 2 is wound on the support piece, the support piece is utilized to enable the heat exchange pipeline 2 to be arranged inside the shell 1 in a three-dimensional mode, meanwhile, more distributed fins 3 are convenient to use, and the heat exchange effect is improved.
The shell 1 is a cylindrical structure, and the axis of the spiral is collinear with the axis of the shell 1.
Or the heat exchange pipelines 2 are distributed in the shell 1 in a star shape, so that the length of the heat exchange pipelines 2 in the shell 1 is increased, and the cooling effect is improved.
An air conditioning unit, includes foretell purification device.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (19)
1. A purification apparatus, characterized in that: the method comprises the following steps:
a housing (1);
the heat exchange pipeline (2) is arranged inside the shell (1), and fins (3) are arranged on the heat exchange pipeline (2);
the refrigerant in the heat exchange pipeline (2) exchanges heat with the gas to be purified in the shell (1).
2. The purifying apparatus of claim 1, wherein: the inlet of the heat exchange pipeline (2) is communicated with the liquid refrigerant outlet of the condenser (9), and the outlet of the heat exchange pipeline (2) is communicated with the condenser (9).
3. The purifying apparatus of claim 2, wherein: and a throttling mechanism (8) is arranged between the liquid refrigerant outlet and the inlet of the heat exchange pipeline (2).
4. The purifying apparatus of claim 1, wherein: the purification apparatus further comprises:
a partition plate (4), wherein the partition plate (4) divides the interior of the shell (1) into at least two separation and purification areas, and all the separation and purification areas are sealed relatively;
each separation and purification area is internally provided with a set of heat exchange pipeline (2), and the gas to be purified sequentially passes through all the separation and purification areas.
5. The purifying apparatus of claim 4, wherein: all the heat exchange pipelines (2) are connected in parallel, inlets of the heat exchange pipelines (2) are communicated with a liquid refrigerant outlet of the condenser (9), and outlets of the heat exchange pipelines (2) are communicated with the condenser (9).
6. The purifying apparatus of claim 4, wherein: the number of baffle (4) is one, baffle (4) set up in inside casing (1), will casing (1) is divided into first separation and purification district (51) and second separation and purification district (52), the gas that waits to purify passes through in proper order first separation and purification district (51) with second separation and purification district (52).
7. The purifying apparatus of claim 6, wherein: the second separation and purification zone (52) is above the first separation and purification zone (51) when the housing (1) is vertically disposed.
8. The purifying apparatus of claim 7, wherein: a communication pipeline is arranged between the first separation and purification area (51) and the second separation and purification area (52), a first end of the communication pipeline is communicated with the upper part of the first separation and purification area (51), and a second end of the communication pipeline is communicated with the part above the liquid level in the second separation and purification area (52).
9. The purifying apparatus of claim 8, wherein: the second end of said communication line is directed to said heat exchange line (2) in said second separation and purification zone (52).
10. The purifying apparatus of claim 1, wherein: the purification device further comprises a liquid baffle plate (6), an exhaust port for exhausting non-condensable gas is arranged on the shell (1), and the liquid baffle plate (6) is arranged between the exhaust port and the heat exchange pipeline (2).
11. The purifying apparatus of claim 10, wherein: the edge of the liquid baffle (6) and the inner surface of the shell (1) are arranged in a sealing mode, and air holes are formed in the liquid baffle (6).
12. The purifying apparatus of claim 11, wherein: the diameter range of the air passing hole is 4mm to 15 mm.
13. The purifying apparatus of claim 10, wherein: casing (1) is inside to be divided into two at least separation and purification districts, all separation and purification district homogeneous phase is relative sealed, each separation and purification district all is provided with one set in the separation and purification district heat transfer pipeline (2), treat that the purification gas passes through all in proper order the separation and purification district, just baffle (6) set up in the last separation and purification district.
14. The purifying apparatus of claim 13, wherein: when the shell (1) is vertically arranged, the distance from the liquid baffle (6) to the upper surface of the separation and purification area is one third to three fifths of the height of the separation and purification area.
15. The purifying apparatus of claim 10, wherein: the purification device also comprises a separation net (7), and the separation net (7) is arranged between the liquid baffle plate (6) and the exhaust port.
16. The purifying apparatus of claim 1, wherein: the shell (1) is provided with an air intake and a liquid return port, and the air intake and the liquid return port are communicated with the condenser (9).
17. The purifying apparatus of claim 16, wherein: a dryer is arranged between the liquid return port and the condenser (9).
18. The purifying apparatus of claim 1, wherein: the heat exchange pipelines (2) are spirally distributed in the shell (1); or the heat exchange pipelines (2) are distributed in the shell (1) in a star shape.
19. An air conditioning unit, its characterized in that: comprising the purification apparatus of any one of claims 1 to 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021897970.3U CN212362529U (en) | 2020-09-02 | 2020-09-02 | Purification device and air conditioning unit that separation efficiency is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021897970.3U CN212362529U (en) | 2020-09-02 | 2020-09-02 | Purification device and air conditioning unit that separation efficiency is high |
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| Publication Number | Publication Date |
|---|---|
| CN212362529U true CN212362529U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021897970.3U Active CN212362529U (en) | 2020-09-02 | 2020-09-02 | Purification device and air conditioning unit that separation efficiency is high |
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| Country | Link |
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| CN (1) | CN212362529U (en) |
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- 2020-09-02 CN CN202021897970.3U patent/CN212362529U/en active Active
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