CN207702829U - It is a kind of can On Line Foul Removing Technology air precooler - Google Patents
It is a kind of can On Line Foul Removing Technology air precooler Download PDFInfo
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- CN207702829U CN207702829U CN201820015348.1U CN201820015348U CN207702829U CN 207702829 U CN207702829 U CN 207702829U CN 201820015348 U CN201820015348 U CN 201820015348U CN 207702829 U CN207702829 U CN 207702829U
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Abstract
It is a kind of can On Line Foul Removing Technology air precooler, including：Water cooling tower, air cooling compressor and apparatus for eliminating sludge, the apparatus for eliminating sludge include the liquid storage tank of several parallel connections, and the output pipe of the liquid storage tank is divided into two-way, are respectively connected to the water inlet pipeline of the water cooling tower, the cooling water inlet pipeline of air cooling compressor.Utilize the utility model; can online processing air cooling compressor and water cooling tower scale problems; ensure air cooling compressor and water cooling heat exchange efficiency not by water quality impact; and then reduce possibility of the molecular sieve with water; it ensure that the safety of air separation unit; the cold damage of device reduces, and avoids palpus stop cleaning air cooling compressor, the economic loss that water-cooling tower device band is come, and the reliability of device greatly improves.
Description
Technical field
The utility model belongs to air separation field, and in particular to it is a kind of can On Line Foul Removing Technology air precooler.
Background technology
With the continuous development of national economy, the rapid development of the industries such as especially domestic metallurgy, petrochemical industry, coal chemical industry is right
The demand of air separation unit increases rapidly, also higher and higher to the stability requirement of air separation unit.
In recent years, as air separation unit gradually develops to enlargement, the unit consumption of air separation unit is declining, and opposite driving
Cost is but constantly rising, also higher and higher to the stability requirement of each system.
Air precooling system is an important component part of air separation equipment, it is serially connected with air compressor system
Between molecular screener adsorbing system, the exhaust of cooling air compressor final stage, to meet the requirement of molecular sieve adsorber work, meanwhile, it is right
Compressed air is washed, and is removed to the harmful sour gas of adsorbent of molecular sieve.
The normal of air precooling system comes into operation, and is the necessary condition that air separation plant is long-term, safe and stable.Air separation unit is uncommon
Hope temperature of the compressed air into device when as low as possible, to reduce the thermic load of saturated water content and main heat exchanger in air
Deng, still, this depend on air cooling compressor and water-cooling tower high heat exchange efficiency.
The molecular sieve adsorption cleaning flow of current space division technique mainstream, the requirement to air precooling system are relatively high.By
Related with temperature in the adsorption capacity of molecular sieve, temperature is lower, and adsorption capacity is bigger.Suction can be reduced by thus reducing air themperature
The design size of adnexa.In the running, it is ensured that clean-up effect, or switching time can be extended, reduces switch cost.
Chilldown system is mainly made of two heat-exchanger rigs, and one is water cooling tower, and one is air cooling compressor.Come self cooling
The drying low-pressure nitrogen in source meets in water cooling tower with the higher recirculated water of temperature, carries out heat exchange.Simultaneously as dry
The hygroscopic effect of nitrogen takes away moisture, and cooling water releases latent heat, own temperature reduction due to the evaporation of moisture content.It is cold by nitrogen
But water, comes out from water cooling tower, is transported to air cooling compressor spray by water pump, meets with compressed air, carry out heat exchange, make
Compressed air temperature reduces, and saturation moisture content is reduced, and portion of water is precipitated, and to make water in tower increase, water temperature increases.
In air cooling compressor, air and water are in direct contact, i.e. heat exchange is washed again, can remove the ash in air
Dirt dissolves some mordant foreign gases, such as H2S、SO2、SO3Deng avoidable plate-fin reversible heat exchanger all aluminium alloy
The corrosion of material, prolongs the service life.
Since air volume is larger, cushioning effect is also acted as to processing air, unsuitable superpressure when air compressor machine being made to switch.But
It is, due to the problems such as cycle impurities in water is more, and calcium content is high, easily to cause air cooling compressor and water-cooling tower fouling, Jin Erzao
Decline at air cooling compressor and water-cooling tower heat exchange efficiency, the air themperature and water content into molecular sieve adsorber increase, or even make
At accident of the molecular sieve with water, the heavy losses of air separation unit are caused.
Utility model content
The purpose of this utility model is to provide it is a kind of can On Line Foul Removing Technology air precooler, which can online processing
The scale problems of air cooling compressor and water cooling tower ensure air cooling compressor and water cooling heat exchange efficiency not by water quality impact, in turn
Possibility of the molecular sieve with water is reduced, ensure that the safety of air separation unit, the cold damage reduction of device, simultaneously because water-cooling tower, air-cooled
Tower heat exchange efficiency improves, and declines into molecular sieve air themperature, and liquid yield is significantly increased, and avoiding must stop cleaning air cooling
The economic loss that tower, water-cooling tower device band are come, the reliability of device greatly improve.
In order to achieve the above object, the utility model provides the following technical solutions：
It is a kind of can On Line Foul Removing Technology air precooler, which is characterized in that including：Water cooling tower, upper part are outer equipped with connecing
The water inlet pipeline that boundary supplies water, lower part are equipped with chilled water outlet pipeline, and middle part is equipped with the nitrogen pipeline for connecing external source, described cold
Freezing water outlet pipeline is equipped with chilled water pump；Air cooling compressor, upper part are equipped with chilled water import pipeline, and middle part, which is set, connects extraneous water supply
Cooling water inlet pipeline and corresponding cooling water pump, its underpart set compressed air inlet pipeline, top sets connection molecule sieve
Compressed air outlet pipeline, bottom set hot-water outlet conduits；The chilled water outlet of the chilled water import pipeline and water cooling tower
Piping connection；Apparatus for eliminating sludge comprising the output pipe of the liquid storage tank of several parallel connections, the liquid storage tank is divided into two-way, point
Be not connected to the water inlet pipeline of the water cooling tower, the cooling water inlet pipeline of air cooling compressor, the liquid storage tank it is defeated
Outlet pipe road is equipped with dosing pump；The air precooler further includes controller, and the air cooling compressor is filled equipped with pressure monitor
It sets, hot water outlet, chilled water inlet and the cooling water inlet of air cooling compressor are equipped with water analysis equipment, the pressure monitor
The controller is electrically connected in device, water analysis equipment and dosing pump.
Preferably, the output pipe of the liquid storage tank is equipped with flowmeter and pressure gauge, the flowmeter and pressure gauge electricity
Property is connected to controller.
Further, which is additionally provided with neutralization medicinal cupping, the heat of the output pipe and air cooling compressor for neutralizing medicinal cupping
Water outlet line connects.
Preferably, the output pipe for neutralizing medicinal cupping is equipped with control valve, which is electrically connected to controller.
The utility model increases drug-feeding tube line in the back with water inlet line of air cooling compressor and water cooling tower, passes through adding for medicament
Enter, the dirt inside on-line cleaning air cooling compressor and water cooling tower.
Further, the utility model is in order to preferably control water quality index, respectively in air cooling compressor and water cooling tower
Back with water inlet line increases water quality monitoring point, and increases water quality monitoring point and independent chemical feed pipe in air cooling compressor water outlet pipeline
Line, to control backwater quality.
In the utility model, for removing liquid medicine storage needed for air cooling compressor and water-cooling tower fouling in liquid storage tank,
Liquid can continue according to actual conditions or discontinuously enter air cooling compressor and water cooling along pipeline after dosing pump pressurizes
Tower, by controller, according to the monitoring of air cooling compressor pressure difference, into air cooling compressor and the monitoring of water-cooling tower pipeline recycled-water quality and
Nitrogen flow situation adjusts dosage in due course, and medicinal cupping drug stream is controlled according to air cooling compressor backwater quality monitoring feedback adjustment
Amount, it is ensured that recirculated water backwater quality.
Compared with prior art, the utility model has the advantages that：
In the utility model, medicament is added to air cooling compressor, water cooling tower inlet pipeline using apparatus for eliminating sludge, it is online to solve
Determined air cooling compressor, the operation of water-cooling tower scale effect air separation unit the problem of, the efficiency of air cooling compressor and water-cooling tower improves,
The cold damage of device reduces, and avoids having to the economic loss of stop cleaning air cooling compressor, water cooling tower apparatus, simple in structure easily to change
It makes, remarkable in economical benefits.
Using the utility model, air cooling compressor, water-cooling tower heat exchange efficiency are guaranteed, and have prevented molecular sieve with water
Possibility plays the maximal efficiency of molecular sieve, reduces the waste of resource, is conducive to the safe and stable operation of air separation unit, substantially carries
The reliability of high air separation unit.
Recycled-water quality analysis site is set in medicament pipeline in addition, being filled out in air cooling compressor return piping, ensures cycle
The water moment is in controllable state.
Description of the drawings
Fig. 1 is the schematic device of one of specific implementation mode in the utility model.
Specific implementation mode
Referring to Fig. 1, it is a kind of can On Line Foul Removing Technology air precooler, including water cooling tower 2, upper part is equipped with and connects extraneous confession
The water inlet pipeline 201 of water, lower part are equipped with chilled water outlet pipeline 202, and middle part is equipped with the nitrogen pipeline 501 for connecing external source,
The chilled water outlet pipeline 202 is equipped with chilled water pump 4；
Air cooling compressor 1, upper part are equipped with chilled water import pipeline 203, and middle part sets the cooling water inlet for connecing extraneous water supply
Pipeline 302 and corresponding cooling water pump 3, its underpart set compressed air inlet pipeline 101, and the compression that top sets connection molecule sieve is empty
Gas outlet conduit 102, bottom set hot-water outlet conduits 401；The chilled water of the chilled water import pipeline 203 and water cooling tower goes out
Mouth pipeline 202 connects；
Apparatus for eliminating sludge comprising the liquid storage tank 7,8,9,10 of several parallel connections, the output pipe 601 of the liquid storage tank divide
For two-way 602,603, it is respectively connected to the water inlet pipeline 201 of the water cooling tower, the cooling water inlet pipe of air cooling compressor
The output pipe 601 on road 302, the liquid storage tank is equipped with dosing pump 12.
Further, the air precooler further includes controller 13, and the air cooling compressor is equipped with pressure monitoring device
17, the hot water outlet of air cooling compressor, chilled water inlet, cooling water inlet are equipped with water analysis equipment 16,18, the air
The controller 13 is electrically connected in pressure monitoring device 17, water analysis equipment 16,18 and the dosing pump 12 of cooling tower.
Preferably, the output pipe of the liquid storage tank is equipped with flowmeter 14 and pressure gauge 15, the flowmeter 14 and pressure
Power table 15 is electrically connected to controller 13.
Further, it is additionally provided with and neutralizes medicinal cupping 11, output pipe 604 and 1 hot water of air cooling compressor of the neutralization medicinal cupping 11
Export pipeline 401 connects.
Preferably, the output pipe 604 for neutralizing medicinal cupping 11 is equipped with control valve, which is electrically connected to control
Device 13.
Originally practical to add medicament to air cooling compressor, water cooling tower inlet pipeline using apparatus for eliminating sludge, it solves online
The problem of air cooling compressor, operation of water-cooling tower scale effect air separation unit, not only solves air cooling, water-cooling tower fouling cleaning
Difficult problem, and there is very high economic value, it ensure that large-scale space division device long period, safe and stable operation, design
It is simple and practical, it is easy for construction.
Claims (4)
1. it is a kind of can On Line Foul Removing Technology air precooler, which is characterized in that including：
Water cooling tower, upper part are equipped with the water inlet pipeline for connecing extraneous water supply, and lower part is equipped with chilled water outlet pipeline, and middle part is equipped with
The nitrogen pipeline of external source is connect, the chilled water outlet pipeline is equipped with chilled water pump；
Air cooling compressor, upper part are equipped with chilled water import pipeline, and middle part sets the cooling water inlet pipeline and phase for connecing extraneous water supply
The cooling water pump answered, its underpart set compressed air inlet pipeline, and top sets the compressed air outlet pipeline of connection molecule sieve, bottom
If hot-water outlet conduits；The chilled water outlet piping connection of the chilled water import pipeline and water cooling tower；
Apparatus for eliminating sludge comprising the output pipe of the liquid storage tank of several parallel connections, the liquid storage tank is divided into two-way, is separately connected
The extremely cooling water inlet pipeline of the water inlet pipeline of the water cooling tower, air cooling compressor, the output pipe of the liquid storage tank
It is equipped with dosing pump；
The air precooler further includes controller, and the air cooling compressor is equipped with pressure monitoring device, air cooling compressor
Hot water outlet, chilled water inlet and cooling water inlet are equipped with water analysis equipment, and the pressure monitoring device, water analysis are set
The controller is electrically connected in standby and dosing pump.
2. it is according to claim 1 can On Line Foul Removing Technology air precooler, which is characterized in that the liquid storage tank it is defeated
Outlet pipe road is equipped with flowmeter and pressure gauge, and the flowmeter and pressure gauge are electrically connected to controller.
3. it is according to claim 1 or 2 can On Line Foul Removing Technology air precooler, which is characterized in that the device is additionally provided with
Neutralize medicinal cupping, hot water export pipeline's connection of the output pipe for neutralizing medicinal cupping and air cooling compressor.
4. it is according to claim 3 can On Line Foul Removing Technology air precooler, which is characterized in that it is described neutralize medicinal cupping it is defeated
Outlet pipe road is equipped with control valve, which is electrically connected to controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820015348.1U CN207702829U (en) | 2018-01-05 | 2018-01-05 | It is a kind of can On Line Foul Removing Technology air precooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820015348.1U CN207702829U (en) | 2018-01-05 | 2018-01-05 | It is a kind of can On Line Foul Removing Technology air precooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207702829U true CN207702829U (en) | 2018-08-07 |
Family
ID=63034399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820015348.1U Expired - Fee Related CN207702829U (en) | 2018-01-05 | 2018-01-05 | It is a kind of can On Line Foul Removing Technology air precooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207702829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091503A (en) * | 2021-03-30 | 2021-07-09 | 包头钢铁（集团）有限责任公司 | Online acid pickling method for precooling system of air separation device |
-
2018
- 2018-01-05 CN CN201820015348.1U patent/CN207702829U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091503A (en) * | 2021-03-30 | 2021-07-09 | 包头钢铁（集团）有限责任公司 | Online acid pickling method for precooling system of air separation device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20210105 |