CN206818349U - A kind of demister differential pressure endless tube measuring system - Google Patents
A kind of demister differential pressure endless tube measuring system Download PDFInfo
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- CN206818349U CN206818349U CN201720584014.1U CN201720584014U CN206818349U CN 206818349 U CN206818349 U CN 206818349U CN 201720584014 U CN201720584014 U CN 201720584014U CN 206818349 U CN206818349 U CN 206818349U
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- China
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- demister
- endless tube
- tube
- differential pressure
- absorption tower
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Abstract
The utility model discloses a kind of demister differential pressure endless tube measuring system, demister is located in absorption tower, in addition to demister import endless tube, demister outlet endless tube, differential pressure transmitter and control system；Demister import endless tube connects absorption tower by some first perforate short tubes, and the tie point on demister import endless tube and absorption tower is located at the upstream of demister；Demister exports endless tube and connects absorption tower by some second perforate short tubes, and the tie point on demister outlet endless tube and absorption tower is located at the downstream of demister；First perforate short tube is provided with first pressure sample point, second perforate short tube is provided with second pressure sample point, first pressure sample point is connected with second pressure sample point with the differential pressure transmitter using stainless steel tube, the differential pressure transmitter and control system electrical connection.The front and rear flue gas pressures that the utility model can accurately measure demister in absorption tower are poor, and measured value reliability is high.
Description
Technical field
Demister is the utility model is related to, more particularly to a kind of demister differential pressure endless tube measuring system.
Background technology
The top on absorption tower is disposed with demister, and its effect is that the water droplet that will be swept along in flue gas is separated.But flue gas
In can be also adhered to comprising impurity, these impurity such as tiny gypsum particle on demister except water droplet, demisting can be blocked therewith
Device, so demister typically sets flushing device to carry out periodic flushing.
Demister differential pressure is exactly the pressure differential of flue gas before and after demister, and the increase of this pressure difference, which then characterizes demister, blocking, sternly
Carry out manual cleaning is shut down during weight.
General measure mode is opened single hole for absorption tower and is sampled at present, and differential pressure measurement is carried out using differential pressure transmitter,
Either measured by the way of diaphragm type pressure transmitter.The problem of being existed using differential pressure transmitter mode be：First,
The differential pressure value in whole demister section can not be represented；2nd, differential pressure value is unstable；3rd, differential pressure transmitter blocks.Using diaphragm type pressure
There is the sensitiveness deficiency to pressure due to barrier film in the mode of power transmitter, cause measurement inaccurate.
Utility model content
The purpose of this utility model is, there is provided a kind of demister differential pressure endless tube measuring system, can accurately measure
The front and rear flue gas pressures of demister are poor in absorption tower, and measured value reliability is high.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：
A kind of demister differential pressure endless tube measuring system, demister are located in absorption tower, in addition to demister import endless tube, remove
Day with fog outlet endless tube, differential pressure transmitter and control system；Demister import endless tube is connected by some first perforate short tubes to be inhaled
The tie point on receipts tower, demister import endless tube and absorption tower is located at the upstream of demister；Demister exports endless tube by some the
The tie point on two perforate short tubes connection absorption tower, demister outlet endless tube and absorption tower is located at the downstream of demister；First perforate
Short tube is provided with first pressure sample point, and the second perforate short tube is provided with second pressure sample point, first pressure sample point and
2 pressure samples points are connected with the differential pressure transmitter using stainless steel tube, the differential pressure transmitter and the control system
System electrical connection.
In a kind of foregoing demister differential pressure endless tube measuring system, the quantity of the first perforate short tube is more than or equal to
4, the first perforate short tube is welded on absorption tower into radial；The quantity of the second perforate short tube is more than or equal to 4,
The second perforate short tube is welded on absorption tower into radial.Divide and sample everywhere, mixed in endless tube, whole cut can be represented
The pressure average in face.
In a kind of foregoing demister differential pressure endless tube measuring system, the first perforate short tube is obliquely installed, its higher one end
Connected with demister import endless tube.
In a kind of foregoing demister differential pressure endless tube measuring system, it is characterised in that the second perforate short tube is obliquely installed, its
Higher one end connects with demister outlet endless tube.
In a kind of foregoing demister differential pressure endless tube measuring system, the first perforate short tube and the second perforate short tube it is interior
Footpath is all higher than or equal to DN50；The internal diameter of demister import endless tube and demister outlet endless tube is all higher than or is equal to
DN50.Endless tube perforate and volume are big, and sample tap device is not easily blocked.
Compared with prior art, the utility model can accurately measure the front and rear flue gas pressures of demister in absorption tower
Difference, and measured value reliability is high.The flue gas pressure in demister import section in absorption tower is measured by demister import endless tube
Power, the flue gas pressures of demister outlet in endless tube measurement absorption tower are exported by demister, and measured result is relatively reliable.And
And first perforate short tube and the second perforate short tube be obliquely installed, in condensate energy reflux column.First perforate short tube, second open
Hole short tube, demister import endless tube and demister outlet endless tube perforate and volume are big, and sample tap device is not easily blocked.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the present utility model；
Fig. 2 is a kind of schematic diagram of embodiment of the present utility model；
Fig. 3 is the arrangement schematic diagram of demister import endless tube；
Fig. 4 is the arrangement schematic diagram of demister outlet endless tube.
Reference：1- demisters export endless tube, 2- demister import endless tubes, 3- absorption towers, 4- control systems, 5- elementary errors
Pressure transmitter, 6- the first perforate short tubes, 7- the second perforate short tubes.
The utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment
Embodiment 1 of the present utility model：As shown in Figures 1 to 4, a kind of demister differential pressure endless tube measuring system, demister
In absorption tower 3, in addition to demister import endless tube 2, demister outlet endless tube 1, differential pressure transmitter 5 and control system 4；
Demister import endless tube 2 connects the company on absorption tower 3, demister import endless tube 2 and absorption tower 3 by some first perforate short tubes 6
Contact is located at the upstream of demister；Demister exports endless tube 1 and connects absorption tower 3 by some second perforate short tubes 7, and demister goes out
Choma pipe 1 and the tie point on absorption tower 3 are located at the downstream of demister；First perforate short tube 6 is provided with first pressure sample point, the
Two perforate short tubes 7 are provided with second pressure sample point, and first pressure sample point and second pressure sample point are and the differential pressure
Transmitter 5 is connected using stainless steel tube, and the differential pressure transmitter 5 and the control system 4 electrically connect.
First perforate short tube 6 is obliquely installed, and its higher one end connects with demister import endless tube 2；Second perforate short tube 7
It is obliquely installed, its higher one end connects with demister outlet endless tube 1, enables in condensate reflux column.In order to prevent pipeline from sending out
Raw to block, the internal diameter of the first perforate short tube 6 and the second perforate short tube 7 is all higher than or equal to DN50；The demister enters
The internal diameter of choma pipe 2 and demister outlet endless tube 1 is all higher than or equal to DN50.
Embodiment 2：As shown in Figures 1 to 4, a kind of demister differential pressure endless tube measuring system, demister are located at absorption tower 3
It is interior, in addition to demister import endless tube 2, demister outlet endless tube 1, differential pressure transmitter 5 and control system 4；Demister import
Endless tube 2 connects absorption tower 3 by some first perforate short tubes 6, and the tie point on demister import endless tube 2 and absorption tower 3 is positioned at removing
The upstream of day with fog；Demister exports endless tube 1 and connects absorption tower 3, the demister outlet He of endless tube 1 by some second perforate short tubes 7
The tie point on absorption tower 3 is located at the downstream of demister；First perforate short tube 6 is provided with first pressure sample point, and the second perforate is short
Pipe 7 is provided with second pressure sample point, and first pressure sample point and second pressure sample point are adopted with the differential pressure transmitter 5
Connected with stainless steel tube, the differential pressure transmitter 5 and the control system 4 electrically connect.
The quantity of the first perforate short tube 6 is more than or equal to 4, and the first perforate short tube 6 is welded on into radial
On absorption tower 3；The quantity of the second perforate short tube 7 is more than or equal to 4, and the second perforate short tube 7 is into radial welding
On absorption tower 3.First perforate short tube 6 is obliquely installed, and its higher one end connects with demister import endless tube 2.Second perforate
Short tube 7 is obliquely installed, and its higher one end connects with demister outlet endless tube 1.The first perforate short tube 6 and the second perforate are short
The internal diameter of pipe 7 is all higher than or equal to DN50；The internal diameter of demister import endless tube 2 and demister outlet endless tube 1 is all higher than
Or equal to DN50.
Claims (5)
1. a kind of demister differential pressure endless tube measuring system, demister is located in absorption tower (3), it is characterised in that also including demisting
Device import endless tube (2), demister outlet endless tube (1), differential pressure transmitter (5) and control system (4)；Demister import endless tube
(2) absorption tower (3) are connected by some first perforate short tubes (6), the tie point of demister import endless tube (2) and absorption tower (3)
Positioned at the upstream of demister；Demister outlet endless tube (1) connects absorption tower (3) by some second perforate short tubes (7), demister
The tie point of outlet endless tube (1) and absorption tower (3) is located at the downstream of demister；First perforate short tube (6) is provided with first pressure
Sample point, the second perforate short tube (7) are provided with second pressure sample point, first pressure sample point and second pressure sample point and
The differential pressure transmitter (5) is connected using stainless steel tube, and the differential pressure transmitter (5) and the control system (4) are electrically connected
Connect.
2. a kind of demister differential pressure endless tube measuring system according to claim 1, it is characterised in that first perforate is short
The quantity for managing (6) is more than or equal to 4, and the first perforate short tube (6) is welded on absorption tower (3) into radial；Described
The quantity of two perforate short tubes (7) is more than or equal to 4, and the second perforate short tube (7) is welded on absorption tower (3) into radial
On.
A kind of 3. demister differential pressure endless tube measuring system according to claim 1, it is characterised in that the first perforate short tube
(6) it is obliquely installed, its higher one end connects with demister import endless tube (2).
A kind of 4. demister differential pressure endless tube measuring system according to claim 1, it is characterised in that the second perforate short tube
(7) it is obliquely installed, its higher one end connects with demister outlet endless tube (1).
5. a kind of demister differential pressure endless tube measuring system according to claim 1, it is characterised in that first perforate is short
The internal diameter of pipe (6) and the second perforate short tube (7) is all higher than or equal to DN50；The demister import endless tube (2) and demister
The internal diameter of outlet endless tube (1) is all higher than or equal to DN50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720584014.1U CN206818349U (en) | 2017-05-24 | 2017-05-24 | A kind of demister differential pressure endless tube measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720584014.1U CN206818349U (en) | 2017-05-24 | 2017-05-24 | A kind of demister differential pressure endless tube measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206818349U true CN206818349U (en) | 2017-12-29 |
Family
ID=60757105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720584014.1U Active CN206818349U (en) | 2017-05-24 | 2017-05-24 | A kind of demister differential pressure endless tube measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206818349U (en) |
-
2017
- 2017-05-24 CN CN201720584014.1U patent/CN206818349U/en active Active
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