CN206347674U - A kind of centrifugal air-conditioning system - Google Patents
A kind of centrifugal air-conditioning system Download PDFInfo
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- CN206347674U CN206347674U CN201621460309.XU CN201621460309U CN206347674U CN 206347674 U CN206347674 U CN 206347674U CN 201621460309 U CN201621460309 U CN 201621460309U CN 206347674 U CN206347674 U CN 206347674U
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- centrifugal compressor
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- centrifugal
- refrigerant
- conditioning system
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Abstract
The utility model is related to a kind of centrifugal air-conditioning system, belongs to air conditioner refrigerating field, can improve the operation stability and operating efficiency of air-conditioning system.The utility model includes centrifugal compressor, triple valve, voltage-controlled valve, condenser, liquid storage filtering tank, evaporator, check-valves, cooling liquid box, cooling tower and centrifugal pump, the entrance of the outlet connection triple valve of centrifugal compressor, the one outlet of triple valve connects the entrance of condenser, and another outlet connects the entrance of centrifugal compressor by voltage-controlled valve；The outlet of condenser by liquid storage filtering tank connect evaporator, the outlet of evaporator is converged by check-valves and the outlet of voltage-controlled valve connect after, connection centrifugal compressor refrigerant inlet；Cooling liquid box is fixed on the bottom of centrifugal compressor, and cooling liquid box connects cooling tower by centrifugal pump.Failure caused by for avoiding centrifugal compressor overheat or refrigerant flow not enough, lifts the operation stability and operating efficiency of air-conditioning system.
Description
Technical field
The utility model is related to air conditioner refrigerating field.
Background technology
At present, centrifugal air-conditioning system is widely used in the centrifugal compressor work in various large-scale places, air-conditioning system
Portion of energy can be converted into heat, heat has very big influence for the normal operation of centrifugal compressor, in centrifugation when making
In formula refrigeration compressor operation process, compressor will operate in cooling condition during summer, and compressor will be operated in and heated during winter
Operating mode.When the insufficient water temperature for causing ability to work deficiency to cause cooling water of centrifugal refigerating compressor radiating is higher, so as to make
Exceed unit design pressure into condensing pressure, or freezing temperature is relatively low caused by actual load is less than unit capacity regulation lower limit
Situations such as, can also induced to compressor unit there is surge phenomenon, cause the fluctuation of service of centrifugal air-conditioning system, influence people
Production and life.Traditional compressor cooling velocity of itself is slow, and cooling effect is not good, has had a strong impact on centrifugal compressor
Normal work, reduce the operating efficiency of centrifugal compressor.
Utility model content
The utility model provides a kind of centrifugal air-conditioning system, it is therefore intended that improve the stable of centrifugal air-conditioning system
Property and operating efficiency.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：
A kind of centrifugal air-conditioning system, including centrifugal compressor, triple valve, voltage-controlled valve, condenser, liquid storage filtering tank,
Evaporator, check-valves, cooling liquid box, cooling tower and centrifugal pump, the refrigerant outlet of the centrifugal compressor connect the threeway
The entrance of valve, the one outlet of the triple valve connects the refrigerant inlet of condenser, and another outlet is connected by voltage-controlled valve
The refrigerant inlet of centrifugal compressor；The refrigerant outlet of the condenser connects the evaporator by liquid storage filtering tank
Refrigerant inlet, the refrigerant outlet of the evaporator is converged by check-valves and the outlet of the voltage-controlled valve connect after, connection
The refrigerant inlet of the centrifugal compressor；The cooling liquid box is fitted with the centrifugal compressor and is fixedly connected, described cold
The cold liquid outlet of liquid case connects the cold liquid entrance of the cooling tower, the cold liquid outlet connection of the cooling tower by the centrifugal pump
The cold liquid entrance of the cooling liquid box.
The beneficial effects of the utility model are：The temperature of itself when reducing centrifugal compressor work, reduces centrifugal pressure
Vibration when contracting machine works, it is to avoid the refrigerant pressure on centrifugal compressor exit passageway is too big and causes centrifugal compressor
Generation surge, so as to improve the operation stability and operating efficiency of centrifugal air-conditioning system.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement：
Further, cooling liquid box (8) laminating is fixedly connected on the bottom of the centrifugal compressor (1).
Beneficial effect using above-mentioned further scheme is：Cooling liquid box is located at the bottom of centrifugal compressor, to centrifugal
Compressor plays carrying effect, can buffer vibration during centrifugal compressor work, the radiating of centrifugal compressor is more filled
Point.
Further, it is additionally provided with pressure between the entrance of the refrigerant outlet of the centrifugal compressor and the triple valve
Meter.
Beneficial effect using above-mentioned further scheme is：Pressure gauge can easily monitor the system of centrifugal compressor in real time
Pressure on cryogen exit passageway, can take measures to control the working condition of centrifugal compressor, when breaking down ahead of time
Also contribute to failure judgement and occur point.
Further, the refrigerant is HBR-22A.
Beneficial effect using above-mentioned further scheme is：Energy-saving and environmental-friendly refrigeration agent HBR-22A use can improve hot
It can change, reduce energy resource consumption, and it is free from environmental pollution；HBR-22A is free of chlorine atom, and destruction is not played to atmospheric ozone layer；
There is good security performance (nonflammable, not explode, nontoxic, without excitatory without corruption).
Brief description of the drawings
Fig. 1 is a kind of structure chart of centrifugal air-conditioning system of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, centrifugal compressor, 2, triple valve, 3, voltage-controlled valve, 4, condenser, 5, liquid storage filtering tank, 6, evaporator, 7, only
Return valve, 8, cooling liquid box, 9, cooling tower, 10, centrifugal pump, 11, pressure gauge.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
Embodiment
As shown in figure 1, a kind of centrifugal air-conditioning system, including centrifugal compressor 1, triple valve 2, voltage-controlled valve 3, condenser
4th, liquid storage filtering tank 5, evaporator 6, check-valves 7, cooling liquid box 8, cooling tower 9 and centrifugal pump 10, the refrigerant of centrifugal compressor 1
The entrance of outlet connection triple valve 2, the one outlet of triple valve 2 connects the refrigerant inlet of condenser 4, and another outlet passes through
Voltage-controlled valve 3 connects the refrigerant inlet of centrifugal compressor 1；The refrigerant outlet of condenser 4 is connected by liquid storage filtering tank 5 to be steamed
Send out device 6 refrigerant inlet, the refrigerant outlet of evaporator 6 is converged by check-valves 7 and the outlet of voltage-controlled valve 3 connect after, company
Connect the refrigerant inlet of centrifugal compressor 1；Cooling liquid box 8 is fitted with centrifugal compressor 1 and is fixedly connected, the cold liquid of cooling liquid box 8
Outlet connects the cold liquid entrance of cooling tower 9, the cold liquid entrance of the cold liquid outlet connection cooling liquid box 8 of cooling tower 9 by centrifugal pump 10.
The temperature of itself when the present embodiment can reduce centrifugal compressor work, quivering when reducing centrifugal compressor work
It is dynamic, it is to avoid the refrigerant pressure on centrifugal compressor exit passageway is too big and causes centrifugal compressor to occur surge, so that
Improve the operation stability and operating efficiency of centrifugal air-conditioning system.
Further, the cooling liquid box 8, which is fitted, is fixedly connected on the bottom of the centrifugal compressor 1.
In the improvement, cooling liquid box is located at the bottom of centrifugal compressor, and carrying effect is played to centrifugal compressor, can be delayed
Vibration during core type compressor operating is washed from, makes the radiating of centrifugal compressor more abundant；In actual arrangement environment, cold liquid
Case 8 can also side by side be fitted fixation with centrifugal compressor, or cooling liquid box 8 is located to the top of centrifugal compressor 1.
Further, it is additionally provided with pressure gauge 11 between the entrance of the refrigerant outlet of centrifugal compressor 1 and triple valve 2.
In the improvement, pressure gauge can easily monitor the pressure on the refrigerant outlet channel of centrifugal compressor in real time,
The working condition that take measures to control centrifugal compressor can be done sth. in advance, failure judgement is also contributed to when breaking down
Point.
Further, refrigerant is HBR-22A.
In the improvement, energy-saving and environmental-friendly refrigeration agent HBR-22A use can improve hot property conversion, reduce energy resource consumption, and
It is free from environmental pollution；HBR-22A is free of chlorine atom, and destruction is not played to atmospheric ozone layer；There is good security performance (to be difficult
Combustion, does not explode, nontoxic, without excitatory without corruption).
Specifically, being all that the general pipeline in the air conditioner refrigerating field used is connected between the gateway of each part in system
Connect, the cold liquid in refrigerant and cold night case flows in these pipelines；The system sucked when the refrigerant inlet of centrifugal compressor 1
When refrigerant pressure in cold underdosage and refrigerant outlet channel is excessive, the refrigerant of centrifugal compressor 1 may be caused
Outlet produces the situation that refrigerant is back in compressor, causes centrifugal compressor 1 to occur surge or other failures.This implementation
In example, when the pressure on the refrigerant outlet channel of centrifugal compressor 1 exceedes the critical value of voltage-controlled valve 3, voltage-controlled valve 3 can become
Into conducting state, some refrigerant on refrigerant outlet channel can pass through voltage-controlled valve 3 and the refrigerant outlet channel of evaporator 6
In refrigerant mixing after, into the refrigerant inlet of centrifugal compressor 1, supplement refrigerant flow, it is to avoid centrifugal compressor
Surge phenomenon occurs for machine 1, and there is provided the stability that air-conditioning system works；Check-valves 7 can prevent by voltage-controlled valve 3 flow through come high pressure
Refrigerant is back to evaporator 6, effectively avoids the influence of the refrigeration to evaporator 6；When the system of centrifugal compressor 1
When pressure on cryogen exit passageway returns to the critical value no more than voltage-controlled valve 3, voltage-controlled valve 3 can become closed mode, centrifugation
Refrigerant in the exit passageway of formula compressor 1 fully enters condenser 4 and exchanged heat, then by liquid storage filtering tank 5, liquid storage mistake
Filter tank 5 can prevent a large amount of refrigerants from entering evaporator 6, play a part of adjusting flow, while the effect of purification and noise reduction can be played
With.
Pressure gauge 11 on the refrigerant outlet channel of centrifugal compressor 1 can easily monitor centrifugal compressor in real time
Refrigerant outlet channel on pressure, can ahead of time take measures control centrifugal compressor working condition, occur therefore
Failure judgement is also contributed to during barrier and occurs point.
The cold liquid of abundance can be stored in the cooling liquid box 8 of the bottom of centrifugal compressor 1, is extracted into by centrifugal pump 10 cold
But after tower 9 is cooled down, back flow back into cooling liquid box 8, so as to cooling for being circulated to centrifugal compressor 1, can make from
Core type compressor 1 keeps good working order, it is to avoid failure caused by overheat occur, can also buffer centrifugal compressor work
The vibration of middle generation, lifts the operating efficiency and operation stability of air-conditioning system.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (4)
1. a kind of centrifugal air-conditioning system, it is characterised in that including centrifugal compressor (1), triple valve (2), voltage-controlled valve (3),
Condenser (4), liquid storage filtering tank (5), evaporator (6), check-valves (7), cooling liquid box (8), cooling tower (9) and centrifugal pump (10),
The refrigerant outlet of the centrifugal compressor (1) connects the entrance of the triple valve (2), and one of the triple valve (2) goes out
The refrigerant inlet of mouth connection condenser (4), another outlet connects the refrigeration of centrifugal compressor (1) by voltage-controlled valve (3)
Agent entrance；The refrigerant that the refrigerant outlet of the condenser (4) connects the evaporator (6) by liquid storage filtering tank (5) enters
Mouthful, the refrigerant outlet of the evaporator (6) is converged by check-valves (7) and the outlet of the voltage-controlled valve (3) connect after, connect
The refrigerant inlet of the centrifugal compressor (1)；The cooling liquid box (8) is fitted fixed connect with the centrifugal compressor (1)
Connect, the cold liquid outlet of the cooling liquid box (8) connects the cold liquid entrance of the cooling tower (9) by the centrifugal pump (10), described
The cold liquid entrance of the cold liquid outlet connection cooling liquid box (8) of cooling tower (9).
2. centrifugal air-conditioning system according to claim 1, it is characterised in that cooling liquid box (8) laminating is fixedly connected on
The bottom of the centrifugal compressor (1).
3. centrifugal air-conditioning system according to claim 2, it is characterised in that the refrigerant of the centrifugal compressor (1)
Pressure gauge (11) is additionally provided between outlet and the entrance of the triple valve (2).
4. the centrifugal air-conditioning system according to any one of claims 1 to 3, it is characterised in that the refrigerant is HBR-
22A。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460309.XU CN206347674U (en) | 2016-12-28 | 2016-12-28 | A kind of centrifugal air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460309.XU CN206347674U (en) | 2016-12-28 | 2016-12-28 | A kind of centrifugal air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206347674U true CN206347674U (en) | 2017-07-21 |
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ID=59323452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621460309.XU Active CN206347674U (en) | 2016-12-28 | 2016-12-28 | A kind of centrifugal air-conditioning system |
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| CN (1) | CN206347674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283817A (en) * | 2020-09-17 | 2021-01-29 | 珠海格力电器股份有限公司 | Central air-conditioning system and control method thereof |
| CN112303826A (en) * | 2020-10-22 | 2021-02-02 | 青岛海尔空调电子有限公司 | Control method of air conditioning unit and air conditioning unit |
-
2016
- 2016-12-28 CN CN201621460309.XU patent/CN206347674U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283817A (en) * | 2020-09-17 | 2021-01-29 | 珠海格力电器股份有限公司 | Central air-conditioning system and control method thereof |
| CN112303826A (en) * | 2020-10-22 | 2021-02-02 | 青岛海尔空调电子有限公司 | Control method of air conditioning unit and air conditioning unit |
| WO2021233465A1 (en) * | 2020-10-22 | 2021-11-25 | 青岛海尔空调电子有限公司 | Control method for air conditioning unit, and air conditioning unit |
| CN112303826B (en) * | 2020-10-22 | 2022-05-20 | 青岛海尔空调电子有限公司 | Control method of air conditioning unit and air conditioning unit |
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