CN207126333U - Pressure swing regeneration adsorption compressed gas drying device - Google Patents
Pressure swing regeneration adsorption compressed gas drying device Download PDFInfo
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- CN207126333U CN207126333U CN201720060201.XU CN201720060201U CN207126333U CN 207126333 U CN207126333 U CN 207126333U CN 201720060201 U CN201720060201 U CN 201720060201U CN 207126333 U CN207126333 U CN 207126333U
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Abstract
The utility model provides a kind of energy and obtains low dew point, the pressure swing regeneration adsorption compressed gas drying device of low gas consumption, and its feature is：The connecting tube of the valve is connected with setting with the cooler in connecting tube, and the separator being connected with connecting tube is additionally provided with described connecting tube；Described connecting tube is connected with blast pipe；The connecting tube of the valve connects with setting with the surface cooler in connecting tube, the centrifugal blower being connected with connecting tube is additionally provided with described connecting tube, the connecting tube also connects with setting with the heater in connecting tube, and the connecting tube is also connected with setting with the regeneration exhaust pipe in connecting tube.The device uses pressure-swing desorption and the secondary reheating technique of atmospheric air, has significant energy-saving, cost-effective effect.
Description
Technical field
It the utility model is related to a kind of adsorption compressed gas drying device, and in particular to a kind of pressure swing regeneration absorption type pressure
Contracting gas drier.
Background technology
Compressed air is industrial widely used power source, and air is after compressor compresses, gas pressure and temperature
Rise, also often containing impurity such as oil, water and dust, it is necessary to carry out purified treatment.For different types of compressor, it is arranged
Atmospheric pressure, temperature, meter capacity different sizes, industrially frequently with a variety of purifying treatment methods, wherein with absorption type
Based compressed-gas dryers are most widely used.According to the difference of adsorbent reactivation technique, occurs heatless regeneration absorption type in succession
The differences such as drier, micro-heat regeneration absorbent drier, external heat regenerative absorption type dryer, waste heat regenerative absorbent type dryer
The absorption type based compressed-gas dryers of form.But these driers due to finished product gas consumption big (accounting for total flow 15~20%),
High energy consumption (such as micro-heat regeneration absorbent drier), it is difficult to obtain lower dew point (dew points at normal pressure is at -20~-40 DEG C), adsorbent
Regeneration not thoroughly, the shortcomings of drift of finished product gas dew point is too big and be restricted use (such as Heatless regenerative adsorption dryer only limit
For 20m3/ below min types.)
The current most commonly used drier of compressor (such as centrifugal compressor) for big flow is to utilize compression heat regeneration
Absorption type dryer.The centrifugal compressor of about 2000 or so puts into operation in Chinese market, accounts for whole world centrifugation pressure
More than the 50% of contracting machine market.Big compressor is so measured, its drier used is mostly using part finished product gas as adsorbent
Cold air is blown in regeneration heating.Due to heating tolerance and to blow air conditioning quantity small, easily produces the halfway phenomenon of adsorbent reactivation, from
And cause finished product gas dew point higher or dew point drift is too big, it is difficult to provide the dry gas of lower dew point, while reduce finished product
The quantity delivered of gas, waste costly compressed gas.
In the market, it is primarily present following shortcoming with the matching used drier of centrifugal compressor：
1) during adsorbent reactivation, regeneration heating relies on the heat of compression of compressed gas.Due to gas in course of conveying temperature
Decrease, cause adsorbent to be difficult to reach preferable regeneration temperature, adsorbent reactivation is not thorough, causes finished product gas dew point higher
Or drift is too big.
2) to overcome disadvantages mentioned above, some driers aid in heating after rising temperature using part finished product air lift, because of tolerance too
Small, the heat time is oversize, influences the drier work period.But heating effect can be influenceed again by shortening the heat time.
3) adsorbent reactivation is carried out using part finished product gas and blows cold, it is small to blow air conditioning quantity, blow it is cold not thoroughly, cause finished product gas to reveal
Point is higher.
4) unstripped gas full flow is used to lift temperature to improve the regeneration temperature of reproducing adsorbent, not only high energy consumption, also increases
The volume and cost of dryer system other equipment (such as cooler) are added.
5) by the use of finished product gas as reheating gas or blowing cold air, the air blower and heater that it is pressurized, heating uses need
Very high operating pressure (maximum working pressure of system) is resistant to, so needing high pressure positive blower and high-pressure heater, structure is multiple
Miscellaneous, cost is high.
Utility model content
The shortcomings that the utility model is intended to overcome existing large-scale absorption type gas-drying apparatus, there is provided one kind can obtain low dew
The pressure swing regeneration adsorption compressed gas drying device of point, low gas consumption, there is significant energy-saving, cost-effective effect.
The technical solution of the utility model is as follows：
The pressure swing regeneration adsorption compressed gas drying device, including the drier 101 that drying chamber A and drying chamber B is formed,
The upper port of drier 101 connects with upper piping 102, and the lower port of drier 101 connects with lower piping 103.The upper piping
102 are made up of valve A1, B1 and valve A2, B2 of parallel connection of parallel connection and valve F7 parallel connections；Valve A1, A2, F7 are in parallel and logical
Cross the connection suitable for reading of connecting tube and drying chamber A；Valve B1, B2, F7 are in parallel and pass through connecting tube and drying chamber B connection suitable for reading.
The lower piping 103 is made up of valve A3, B3 of parallel connection and valve A4, B4 parallel connection of parallel connection；Valve A3, A4 are in parallel and pass through company
Adapter is connected with drying chamber A lower mouth, and valve B3, B4 are in parallel and are connected by connecting tube with drying chamber B lower mouth；
Connecting tube is connected by connecting tube 1 with filter between described valve A1, B1, and filter is connected with blast pipe 2；
Connecting tube is connected by connecting tube 3 with valve F1 and air inlet pipe 7 between described valve A2, B2.The connecting tube 3
It is connected successively with heater, connecting tube 5, blower fan, connecting tube 6 and population filter by connecting tube 4；In the connecting tube 4
Valve F8 is installed；
Connecting tube is connected by connecting tube 12 with separator between described valve A3, B3；The separator passes through connection
Pipe 11 is connected with cooler；The cooler is connected by connecting 10,9 with valve F2；The valve F2 passes through connection
Pipe 8 is connected with air inlet pipe 7；
Connecting tube is connected by connecting tube 13 with connecting tube 14,15 between described valve A4, B4；Connecting tube 14 and valve
F3 is connected；The valve F3 is connected by connecting tube 9 with valve F2 and connecting tube 10；
The both ends of connecting tube 15 are connected with valve F4, F5 respectively, and are connected by connecting tube 18 with valve F6, valve
Door F6 is connected with muffler 19；Valve F5 is connected with blast pipe 20；
The valve F4 is connected by connecting tube 16 with surface cooler, and surface cooler passes through connecting tube 17,6 and fan air inlet
It is connected；
Filter and inlet filter between connecting tube 1,2 described above are dust filter units；
Separator described above is inertia separator, filter separator or inertial separation and is separated by filtration point of combining form
From device.
Heater described above is a heater of one-level heating or two heaters of two level heating；The heater
It is shell-and-tube heat exchanger, plate type heat exchanger or plate-fin heat exchanger；
Cooler and surface cooler described above are shell-and-tube heat exchanger, plate type heat exchanger or plate-fin heat exchanger；
Surface cooler described above carries separator or separately increases separator thereafter.
The characteristics of the utility model, is：
1] pressure swing regeneration adsorption compressed gas drying device provided by the utility model utilizes the heat of compression pair of unstripped gas
The adsorbent regenerated in drying chamber carries out regeneration heating, make use of the heat of compression of compressed gas, has reclaimed energy, has aobvious
The energy conservation and consumption reduction effects of work.
2] pressure swing regeneration adsorption compressed gas drying device provided by the utility model uses principle of pressure swing adsorption, in height
Adsorbed under pressure, parsed in low-pressure, decompression regeneration is carried out adsorbent, so as to greatly reduce adsorbent reactivation
Required energy.
3] pressure swing regeneration adsorption compressed gas drying device provided by the utility model is carried out reproducing adsorbent secondary
Technique is reheated to improve adsorbent reactivation temperature, so that adsorbent reactivation is more thorough, thus lower dew point (finished product can be obtained
Gas dew points at normal pressure can reach less than -70 DEG C) finished product gas.
4] pressure swing regeneration adsorption compressed gas drying device provided by the utility model is used as by the use of atmospheric air regenerates two
Secondary reheating gas, source of the gas is sufficient, and heating is large-minded, it is ensured that reheats fully, makes adsorbent reactivation more thorough, also save
The drying finished product gas of high energy consumption, ensure that finished product gas output quantity.
5] pressure swing regeneration adsorption compressed gas drying device provided by the utility model is regenerated using atmospheric air
Blow cold, and circulating cold air use will be blown, it is big to blow air conditioning quantity, blow it is cold thoroughly, so as to ensure that finished product gas dew point without drift.
6] pressure swing regeneration adsorption compressed gas drying device provided by the utility model is used as by the use of atmospheric air regenerates two
It is secondary to reheat, blow cold air, thus the operating pressure of blower fan, heater is substantially reduced, it common blower fan and low pressure can be used to add
Hot device, the structure of blower fan and heater is simplified, greatly reduces cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Accompanying drawing is detailed as follows：A, B- drying towers；A1、A2、A3、A4、B1、B2、B3、B4、F1、F2、F3、F4、F5、 F6、
F7, F8- valve；7- air inlet pipe；1st, 3,4,5,6,8,9,10,11,12,13,14,15,16,17,18- connecting tubes；2- blast pipes；
19- mufflers；20- regeneration exhaust pipes；Drier -101；Upper piping -102；Lower piping -103.
Embodiment
The pressure swing regeneration adsorption compressed gas drying device, including the drier 101 that drying chamber A and drying chamber B is formed,
The upper port of drier 101 connects with upper piping 102, and upper piping 102 is by valve A1, B1 of parallel connection and valve A2, B2 of parallel connection
And valve F7 compositions in parallel；Valve A1, A2, F7 are in parallel and pass through connecting tube and drying chamber A connection suitable for reading；Valve B1, B2,
F7 is in parallel and passes through connecting tube and drying chamber B connection suitable for reading.The lower port of drier 101 connects with lower piping 103, lower piping
103 are made up of valve A3, B3 of parallel connection and valve A4, B4 parallel connection of parallel connection；Valve A3, A4 are in parallel and pass through connecting tube and drying
Tank A lower mouth connection, valve A3, B4 are in parallel and are connected by connecting tube with drying chamber B lower mouth；
Connecting tube is connected by connecting tube 1 with filter inlet between valve A1, B1, and filter outlet connects with blast pipe 2
Connect；Filter typically selects dust filter unit.
Connecting tube is connected by connecting tube 3 with valve F1 and air inlet pipe 7 between valve A2, B2.Connecting tube 3 passes through connection
Pipe 4 is connected with heater outlet, and heater air inlet is connected by connecting tube 5 with blower fan gas outlet, the both ends of connecting tube 6 difference
Connect inlet filter outlet and fan air inlet；Valve F8 is installed in connecting tube 4；One of the optional one-level heating of heater
Heater or two heaters of two level heating；Heater is shell-and-tube heat exchanger, plate type heat exchanger or plate-fin heat exchanger.Wind
Machine can use centrifugal fan；
Connecting tube is connected by connecting tube 12 with separator outlet between valve A3, B3；Separator air inlet passes through company
Adapter 11 is connected with cooler gas outlet；Cooler air inlet is connected by connecting tube 10,9 with valve F2；Valve F2 leads to
Connecting tube 8 is crossed with air inlet pipe 7 to be connected；Separator is from inertia separator, filter separator or inertial separation with being separated by filtration
Combining form separator；Cooler shell-and-tube heat exchanger, plate type heat exchanger or plate-fin heat exchanger；
Connecting tube is connected by connecting tube 13 with connecting tube 14,15 between valve A4, B4；Connecting tube 14 and valve F3 phases
Connection；Valve F3 is connected by connecting tube 9 with valve F2 and connecting tube 10；
The both ends of connecting tube 15 are connected with valve F4, F5 respectively, and are connected by connecting tube 18 with valve F6, valve F6 with
Muffler 19 is connected；Valve F5 is connected with regeneration exhaust pipe 20；
Valve F4 is connected by connecting tube 16 with surface cooler air inlet, and surface cooler gas outlet is by connecting tube 17 with being connected
Pipe 6 is connected；
When drying chamber A carries out absorption work, drying chamber B carries out adsorbent reactivation simultaneously, regeneration using decompression and it is secondary again
Heating desorption and atmospheric air blow cold technique；After the completion of drying chamber B regeneration, the tank of A, B two is pressed and switched over by valve；Cut
After the completion of changing, drying chamber B enters adsorption process, and drying chamber A then enters adsorbent reactivation program, so circulates endlessly.
When drying chamber A carries out absorption work, drying chamber B carries out adsorbent reactivation process simultaneously, and it is comprised the following steps that；
1] drying chamber A adsorption process
Drying chamber A adsorption process is divided into two stages：
1.1] unstripped gas elder generation full flow flows through drying chamber B, passes through drying chamber A；
In this stage, valve F1, B2, B4, F3, A1, A3 opening, remaining valve is closed.Unstripped gas according to
Secondary air inlet pipe 7, valve F1, connecting tube 3, the valve B2 of upper piping 102 of flowing through enters drying chamber B, utilizes the heat of compression of unstripped gas
Reproducing adsorbent is from top to bottom heated, valve B4 of the gas after heating successively through lower piping 103, connecting tube 13,14, valve
F3, connecting tube 9,10 are cooled into cooler, and after connecting tube 11 enters separator separation moisture, then through connecting tube 12,
The valve A3 of lower piping 103 enters drying chamber A, and air-flow flows through adsorbent from the bottom to top, and the moisture in gas is adsorbed by adsorbent
And turn into dry gas, then valve A1, connecting tube 1, filter, the blast pipe 2 successively through upper piping 102 are discharged.
1.2] unstripped gas is directly entered drying chamber A without drying chamber B；
In this stage, valve F2, A3, A1, B4 opening, remaining valve is closed.Unstripped gas is directly through entering
Tracheae 7, connecting tube 8, valve F2, connecting tube 9,10 are cooled into cooler, and separate moisture through connecting tube 11 and separator
Afterwards, then the valve A3 through connecting tube 12, lower piping 103 enters drying chamber A, and air-flow flows through adsorbent from the bottom to top, in gas
Moisture is adsorbed by adsorbent and turns into dry gas, then valve A1 successively through upper piping 102, connecting tube 1, filter, exhaust
Pipe 2 is discharged.
2] drying chamber B regeneration technology flow
Drying chamber B regeneration technology flow is divided into four-stage：
2.1] unstripped gas elder generation full flow flows through drying chamber B, passes through drying chamber A；
In the period, the technological process and 1.1 when unstripped gas heats to reproducing adsorbent in drying chamber B] it is identical.
2.2] unstripped gas is directly entered drying chamber A without drying chamber B；
In the period, unstripped gas is directly entered drying chamber A technological process and 1.2 without drying chamber B] it is identical.It is same with this
When, discharging decompressing is carried out to drying chamber B.Now, the valve B4 of lower piping 103, valve F6 are opened, and gas is successively in drying chamber B
Valve B4, connecting tube 13 through lower piping 103,18, valve F6 and muffler 19 are discharged, and gas pressure is reduced in drying chamber B
Regeneration pressure (1 atmospheric pressure).
2.3] secondary reheating is carried out to reproducing adsorbent；
Air in air is pressurized through blower fan, enters drying chamber B after heat temperature raising, reproducing adsorbent is reheated.Its
Idiographic flow is as follows：
Air in air enters blower fan by inlet filter and connecting tube 6, adds through being pressurized and being entered by connecting tube 5
After hot device heat temperature raising, then by connecting tube 4, valve F8, connecting tube 3, valve B2 enter drying chamber B, reproducing adsorbent is entered
The secondary reheating of row.Valve B4 successively through lower piping 103 of gas after heating, connecting tube 13,15, valve F5 and blast pipe 20
Discharge.Now, valve F8, B2, B4, F5, F2, A1, A3 openings, remaining valve-closed state.
2.4] reproducing adsorbent blow cold；
In the period, step 2.3] in heater be stopped, blower fan continues to run with, and air passes through ingress filtering successively
Device, connecting tube 6, blower fan, connecting tube 5, connecting tube 4, valve F8, connecting tube 3, valve B2 enter drying chamber B, to reproducing adsorbent
Blow it is cold, blow valve B4 of the cold air again successively through lower piping 103, connecting tube 13,15, valve F4 enter surface cooler, be cooled and
After separation, through connecting tube 17,6 enter blower fan circulation blow it is cold, until regeneration ending.Now, valve F4, F8, B2, B4, F2, A1,
A3 openings, valve F1, F3, F5, F6, F7, A2, A4, B1, B3 closed mode.
3] after the completion of drying chamber B regeneration, the drying chamber of A, B two, which enters, presses program.
This period, the valve F7 of upper piping 102 are opened, and valve B1, B2, valve B3, B4 of lower piping 103 are closed, and are dried
The finished product of tank A discharges dries gas and enters drying chamber B by valve F7, and pressure inside the tank is stepped up, when A, B two dries pressure tank phase
Deng when, pressure complete, valve F7 close.
4] after the completion of the drying chamber of A, B two is pressed, it is operated state switching：Drying chamber A enters reproducer, drying chamber B
Carry out adsorption process.
Working condition switching between drying chamber A and drying chamber B realizes that drying chamber A carries out adsorbent reactivation by valve
While, the adsorbent in drying chamber B carries out absorption work, and its working procedure is identical with step 1 and 2.
Switch valve manual switching automatically controls realization.
Claims (7)
1. pressure swing regeneration adsorption compressed gas drying device, it is characterised in that：The pressure swing regeneration absorption type compressed air drying
Device, including the drier (101) that drying chamber A and drying chamber B is formed, upper port and the upper piping (102) of drier (101) connect
Logical, the lower port of drier (101) connects with lower piping (103)；The upper piping (102) is by valve A1, valve B1 in parallel
With valve A2, valve B2 and valve the F7 composition in parallel of parallel connection；Valve A1, valve A2, valve F7 are in parallel and pass through connecting tube
With drying chamber A connection suitable for reading, valve B1, valve B2, valve F7 are in parallel and pass through connecting tube and drying chamber B connection suitable for reading；
The lower piping (103) is made up of valve A3, the valve B3 and valve A4 in parallel, valve B4 parallel connections of parallel connection；Valve A3, valve
A4 is in parallel and is connected by connecting tube with drying chamber A lower mouth, and valve B3, valve B4 are in parallel and pass through connecting tube and drying chamber B
Lower mouth connection；Connecting tube is connected by the first connecting tube (1) with filter between the valve A1, valve B1, filter with
Blast pipe (2) connects；Connecting tube between the valve A2, valve B2 passes through the second connecting tube (3) and valve F1 and air inlet pipe
(7) it is connected；Second connecting tube (3) by the 3rd connecting tube (4) successively with heater, the 4th connecting tube (5), blower fan,
5th connecting tube (6) is connected with inlet filter；Valve F8 is installed on 3rd connecting tube (4)；The valve A3, valve
Connecting tube is connected by the 6th connecting tube (12) with separator between door B3；The separator by the 7th connecting tube (11) with
Cooler is connected；The cooler is connected by the 8th connecting tube (10), the 9th connecting tube (9) with valve F2；The valve
Door F2 is connected by the tenth connecting tube (8) with air inlet pipe (7)；Connecting tube passes through the 11st between the valve A4, valve B4
Connecting tube (13) is connected with the 12nd connecting tube (14), the 13rd connecting tube (15)；12nd connecting tube (14) and valve F3
It is connected；The valve F3 is connected by the 9th connecting tube (9) with valve F2 and the 8th connecting tube (10)；Described 13rd connects
Adapter (15) both ends are connected with valve F4, F5 respectively, and are connected by the 14th connecting tube (18) with valve F6, valve F6
It is connected with muffler 19；Valve F5 is connected with regeneration exhaust pipe (20)；The valve F4 passes through the 15th connecting tube (16)
It is connected with surface cooler, surface cooler is connected by the 16th connecting tube (17), the 5th connecting tube (6) with blower fan.
2. pressure swing regeneration adsorption compressed gas drying device according to claim 1, it is characterised in that：First connecting tube
(1), the filter between blast pipe (2) and inlet filter are dust filter units.
3. pressure swing regeneration adsorption compressed gas drying device according to claim 2, it is characterised in that：The separator
It is the separator of inertia separator, filter separator or inertial separation with being separated by filtration combining form.
4. pressure swing regeneration adsorption compressed gas drying device according to claim 3, it is characterised in that：The heater
It is a heater of one-level heating or two heaters of two level heating.
5. pressure swing regeneration adsorption compressed gas drying device according to claim 4, it is characterised in that：The heater
It is shell-and-tube heat exchanger, plate type heat exchanger or plate-fin heat exchanger.
6. pressure swing regeneration adsorption compressed gas drying device according to claim 5, it is characterised in that：The cooler
It is shell-and-tube heat exchanger, plate type heat exchanger or plate-fin heat exchanger with surface cooler.
7. pressure swing regeneration adsorption compressed gas drying device according to claim 6, it is characterised in that：The surface cooler
Carry separator or separately increase separator thereafter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720060201.XU CN207126333U (en) | 2017-01-19 | 2017-01-19 | Pressure swing regeneration adsorption compressed gas drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720060201.XU CN207126333U (en) | 2017-01-19 | 2017-01-19 | Pressure swing regeneration adsorption compressed gas drying device |
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| Publication Number | Publication Date |
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| CN207126333U true CN207126333U (en) | 2018-03-23 |
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ID=61629935
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| CN201720060201.XU Active CN207126333U (en) | 2017-01-19 | 2017-01-19 | Pressure swing regeneration adsorption compressed gas drying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088347A (en) * | 2017-01-19 | 2017-08-25 | 无锡联合超滤净化设备科技有限公司 | Pressure swing regeneration absorption type compressed air drying technique and device |
-
2017
- 2017-01-19 CN CN201720060201.XU patent/CN207126333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088347A (en) * | 2017-01-19 | 2017-08-25 | 无锡联合超滤净化设备科技有限公司 | Pressure swing regeneration absorption type compressed air drying technique and device |
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