CN207922618U - Ammonia refrigerating compressor overhauls and ammonia recovery system - Google Patents
Ammonia refrigerating compressor overhauls and ammonia recovery system Download PDFInfo
- Publication number
- CN207922618U CN207922618U CN201820283936.3U CN201820283936U CN207922618U CN 207922618 U CN207922618 U CN 207922618U CN 201820283936 U CN201820283936 U CN 201820283936U CN 207922618 U CN207922618 U CN 207922618U
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- ammonia
- compressor
- refrigeration compressor
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- refrigeration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Abstract
The utility model provides ammonia refrigerating compressor maintenance and ammonia recovery system, the Liquid Ammonia Storage tank being connect by air inlet pipe including refrigeration compressor, with refrigeration compressor, refrigeration compressor includes at least two refrigeration compressors, it is connected by muffler between refrigeration compressor and Liquid Ammonia Storage tank, it is equipped at least two shut-off valves at the muffler close to refrigeration compressor, shut-off valve is equipped at the exhaust pipe close to refrigeration compressor.By the way that the right angle stop valve on screw type refrigerating compressor is connected by pipeline with chilldown system low pressure recycle liquid receiver, ammonia excretion is carried out using pressure difference, make the inside circulatory system that a closure is formed between ammonia compressor oil eliminator and low pressure Liquid Ammonia Storage tank, it can be liquefied ammonia in equipment all to be carried out in the short time to be transferred in Liquid Ammonia Storage tank and reuse, safety coefficient is high, and one or more refrigeration compressors are overhauled in the normal operation for not influencing other compressors, it improves work efficiency, reduces system use cost.
Description
Technical field
The utility model is related to ammonia refrigerating compressor fields, especially ammonia refrigerating compressor maintenance and ammonia recovery system.
Background technology
Ammonia has excellent thermodynamic property, in relatively large refrigeration system, generally using ammonia as refrigerant, screw rod
Formula refrigeration compressor application is more universal.In the liquefaction and condensation cycle of ammonia, overall heat-transfer coefficient is influenced by more factor, wherein
It is affected by lubricating oil oil film, since compressor operating needs good lubrication, is frequently necessary in ammonia refrigerating compressor
It is middle that quantitative lubricating oil is added, because screw type refrigerating compressor in screw rod abrasion and system pipeline in the process of running due to generating
Part residue and block oil eliminator, need frequent cleaning replacement filter core to ensure the Effec-tive Function of compressor, and mechanical seal because
Abrasion also needs to carry out replacement maintenance, and traditional maintenance mode directly connects ammoniacal liquor in equipment by right angle stop valve in equipment
Hose and bucket are diluted ammonia excretion, and such ammonia excretion mode the degree of automation is low, and safety coefficient is low, and environmental pollution is larger, especially
Be that the ammonia excretion period is long, influence equipment normal use, once and misoperation easily cause safety accident, while increasing flows of liquid ammonia
It loses, improves system operation cost.
Invention content
The technical problem to be solved by the utility model is to provide ammonia refrigerating compressor maintenance and ammonia recovery systems, solve
The problem of ammonia treatment hardly possible in ammonia refrigerating compressor.
In order to solve the above technical problems, technical solution used by the utility model is：Ammonia refrigerating compressor overhauls and ammonia
Recovery system, including refrigeration compressor, the Liquid Ammonia Storage tank that is connect by air inlet pipe with refrigeration compressor, refrigeration compressor include
At least two refrigeration compressors, are connected between refrigeration compressor and Liquid Ammonia Storage tank by muffler, close to refrigeration compressor
Muffler at be equipped at least two shut-off valves, shut-off valve is equipped at refrigeration compressor exhaust pipe.
Preferably, refrigeration compressor is connect with bucket by pipeline, and pipeline is equipped with shut-off valve.
Preferably, Liquid Ammonia Storage canister incoming gas pipe is equipped at least two outlets, and outlet is connect with air inlet pipe.
Preferably, air inlet pipe is equipped at least two shut-off valves.
Preferably, muffler is equipped with gas sensor at refrigeration compressor.
Preferably, exhaust pipe is being equipped with shut-off valve at refrigeration compressor.
Ammonia refrigerating compressor provided by the utility model maintenance and ammonia recovery system, by will be on screw type refrigerating compressor
Right angle stop valve be connected with chilldown system low pressure recycle liquid receiver by pipeline, using pressure difference carry out ammonia excretion, make ammonia
Between press oil eliminator and low pressure Liquid Ammonia Storage tank formed one closure the inside circulatory system, can in the short time by equipment
Interior liquefied ammonia all carries out being transferred in Liquid Ammonia Storage tank and reusing, and safety coefficient is high, and is not influencing other compressors
One or more refrigeration compressors are overhauled in the case of normal operation, are improved work efficiency, system use cost is reduced.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the principle schematic diagram of the utility model；
Fig. 2 is an embodiment stereoscopic schematic diagram of the utility model.
Specific implementation mode
Embodiment 1：
As depicted in figs. 1 and 2, ammonia refrigerating compressor maintenance and ammonia recovery system, including refrigeration compressor and refrigerant compression
The Liquid Ammonia Storage tank that machine is connected by air inlet pipe, it is characterised in that：Including at least two refrigeration compressors, refrigeration compressor and liquid
It is connected by muffler between ammonia hold-up tank, at least two shut-off valves, refrigeration is equipped at the muffler close to refrigeration compressor
Shut-off valve is equipped at compressor exhaust pipe.In a specific implement scene, refrigeration compressor includes refrigeration compressor A and system
Cold compressor B, refrigeration compressor A and refrigeration compressor B are connect by muffler with Liquid Ammonia Storage tank, close to refrigeration compressor
It is equipped with shut-off valve 1, shut-off valve 2 and shut-off valve 3 at the muffler of A, shut-off valve is equipped at the muffler close to refrigeration compressor B
9, shut-off valve 10 and shut-off valve 11 are equipped with shut-off valve 4, refrigeration compressor A and refrigeration at the muffler close to Liquid Ammonia Storage tank
Compressor B is connect by air inlet pipe with Liquid Ammonia Storage tank respectively, and air inlet pipe is equipped with shut-off valve 5, shut-off valve 7, shut-off valve 8 and cuts
Only valve 13.Refrigeration compressor A and refrigeration compressor B is equipped with exhaust pipe, and exhaust pipe is equipped with shut-off valve 6, shut-off valve 12, works as needs
When being overhauled to refrigeration compressor A, concrete operation step is as follows：The original right angle non-return of refrigeration compressor in refrigeration systems
It installs a muffler on shut-off valve additional, while increasing by three shut-off valves on muffler, usually equipment return-air during normal operation
Shut-off valve on pipe is in normally off.Close shut-off valve 5 and shut-off valve 6, so close refrigeration compressor A air inlet pipe and
Exhaust pipe, the air inlet of refrigeration compressor B at this time and exhaust are unaffected；Then it opens the shut-off valve 2 on refrigeration compressor A and cuts
Only valve 3, at this time shut-off valve 1 be closed, shut-off valve 4, shut-off valve 7 and shut-off valve 8 are in open state；Close cut-off
Valve 9, shut-off valve 10 and shut-off valve 11, opening stop valve 12 and shut-off valve 13 open simultaneously refrigeration compressor B to Liquid Ammonia Storage tank
Pumping pressure is carried out, pressure difference can be formed between refrigeration compressor A and Liquid Ammonia Storage tank at this time, the liquefied ammonia in refrigeration compressor A passes through
Muffler flows into Liquid Ammonia Storage tank.Refrigeration compressor B is closed after a period of time, it can also be by observing the gas on muffler
Sensor 14 judges the ammonia level in muffler, and then can obtain the ammonia level in refrigeration compressor A, when reaching threshold
When value, shut-off valve 3, shut-off valve 4, shut-off valve 7, shut-off valve 8, shut-off valve 12 and shut-off valve 13 are closed, refrigeration can be pressed at this time
Contracting machine A carries out safety inspection, and the work of refrigeration compressor B is unaffected, still can be with normal operation.Similarly, when needs pair
When refrigeration compressor B is overhauled, it need to only be carried out operating accordingly according to above step.In addition, the present embodiment is not only
Two refrigeration compressors are only only limited to, more compressors is can also be, does not repeat one by one again.A specific real-time field
Jing Zhong, as shown in Fig. 2, refrigeration compressor is helical-lobe compressor, Liquid Ammonia Storage tank is low pressure recycle receiver.
Preferably scheme, as shown in Figure 1, refrigeration compressor is connect with bucket by pipeline, pipeline is equipped with shut-off valve.By
This structure opens shut-off valve 1 it is found that after ammonia emission in the refrigeration compressor, by hose by refrigeration compressor A with
Bucket connect, at this time the residual ammonia in refrigeration compressor A enter bucket dilution, ammonia to be remained rack up it is complete, then just
Safety inspection can be carried out to refrigeration compressor A.
Preferably scheme, Liquid Ammonia Storage canister incoming gas pipe are equipped at least two outlets, and outlet is connect with air inlet pipe.Thus structure
It is found that on the one hand multiple ammoniacal liquor outlets can increase the flow of ammonia, on the other hand, multiple ammoniacal liquor outlets are distributed in Liquid Ammonia Storage tank
Different places, disperseed the ammonia air-flow in Liquid Ammonia Storage tank, avoided the pressure of local exit excessive, and then to equipment and pipe
Road damages, and influences the normal operation of equipment.
Preferably scheme, air inlet pipe are equipped at least two shut-off valves.Thus structure is it is found that the both ends of air inlet pipe are designed with
Shut-off valve plays the role of double insurance, while can also save number of tubes and space.As shown in Figure 1, air inlet pipe only has one,
End carry out branch after be connected to respectively with refrigeration compressor A and refrigeration compressor B, by cooperation shut-off valve 5, shut-off valve 13,
8 Push And Release of shut-off valve 7 and shut-off valve, can realize working independently or individually examining for refrigeration compressor A and refrigeration compressor B
It repaiies.In other embodiments, more refrigeration compressors be can also be.
Preferably scheme, muffler are equipped with gas sensor 14 at refrigeration compressor.Thus structure is it is found that such as Fig. 1
It is shown, when being overhauled to refrigeration compressor A, obtains the ammonia in muffler in real time by gas sensor 14 and contain
Amount facilitates the recovery ammonia time in control refrigeration compressor A.
Preferably scheme, exhaust pipe are equipped with shut-off valve 6, shut-off valve 12 at refrigeration compressor.Thus structure is it is found that work as
When refrigeration compressor A maintenance need to open refrigeration compressor B, refrigeration compressor exhaust pipe shut-off valve 6 is closed, opens the compression of refrigeration system
Machine exhaust pipe shut-off valve 12, the connection of cut-off refrigeration compressor A and other systems improve and take out pressure efficiency, are gone back when extracting pressure
It can guarantee the normal operation of entire refrigeration system.
Ammonia refrigerating compressor provided by the utility model maintenance and ammonia recovery system, by will be on screw type refrigerating compressor
Right angle stop valve be connected with chilldown system low pressure recycle liquid receiver by pipeline, using pressure difference carry out ammonia excretion, make ammonia
Between press oil eliminator and low pressure Liquid Ammonia Storage tank formed one closure the inside circulatory system, can in the short time by equipment
Interior liquefied ammonia all carries out being transferred in Liquid Ammonia Storage tank and reusing, and safety coefficient is high, and is not influencing other compressors
One or more refrigeration compressors are overhauled in the case of normal operation, are improved work efficiency, system use cost is reduced.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the scope of protection of the utility model should be recorded with claim include the technical solution of claim record
The equivalents of middle technical characteristic are protection domain.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (6)
1. ammonia refrigerating compressor overhauls and ammonia recovery system, including refrigeration compressor, it is connect by air inlet pipe with refrigeration compressor
Liquid Ammonia Storage tank, it is characterised in that：Refrigeration compressor includes at least two refrigeration compressors, refrigeration compressor and Liquid Ammonia Storage
It is connected by muffler between tank, at least two shut-off valves, refrigeration compressor is equipped at the muffler close to refrigeration compressor
Shut-off valve is equipped at exhaust pipe.
2. ammonia refrigerating compressor maintenance according to claim 1 and ammonia recovery system, it is characterised in that：The refrigerant compression
Machine is connect with bucket by pipeline, and pipeline is equipped with shut-off valve.
3. ammonia refrigerating compressor maintenance according to claim 1 and ammonia recovery system, it is characterised in that：The Liquid Ammonia Storage
Canister incoming gas pipe is equipped at least two outlets, and outlet is connect with air inlet pipe.
4. ammonia refrigerating compressor maintenance according to claim 1 and ammonia recovery system, it is characterised in that：In the air inlet pipe
Equipped at least two shut-off valves.
5. ammonia refrigerating compressor maintenance according to claim 1 and ammonia recovery system, it is characterised in that：The muffler leans on
It is equipped with gas sensor at nearly refrigeration compressor.
6. ammonia refrigerating compressor maintenance according to claim 1 and ammonia recovery system, it is characterised in that：The exhaust pipe exists
Shut-off valve is equipped at refrigeration compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820283936.3U CN207922618U (en) | 2018-02-28 | 2018-02-28 | Ammonia refrigerating compressor overhauls and ammonia recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820283936.3U CN207922618U (en) | 2018-02-28 | 2018-02-28 | Ammonia refrigerating compressor overhauls and ammonia recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207922618U true CN207922618U (en) | 2018-09-28 |
Family
ID=63601798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820283936.3U Active CN207922618U (en) | 2018-02-28 | 2018-02-28 | Ammonia refrigerating compressor overhauls and ammonia recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207922618U (en) |
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2018
- 2018-02-28 CN CN201820283936.3U patent/CN207922618U/en active Active
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