CN209495948U - Desulfurizing tower holds liquid bath denseness on-line detection device - Google Patents
Desulfurizing tower holds liquid bath denseness on-line detection device Download PDFInfo
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- CN209495948U CN209495948U CN201920107228.9U CN201920107228U CN209495948U CN 209495948 U CN209495948 U CN 209495948U CN 201920107228 U CN201920107228 U CN 201920107228U CN 209495948 U CN209495948 U CN 209495948U
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Abstract
The utility model relates to Desulfurization tower slurry device for detecting density technical fields, it provides desulfurizing tower and holds liquid bath denseness on-line detection device, it is connected to desulfurizing tower, including liquid extraction conduit, measurement pipeline, Drainage pipe and flushing pipe, wherein one end of liquid extraction conduit is connected to the liquid bath of holding of desulfurizing tower, and the other end is connected to by three-way connection with Drainage pipe and measurement pipeline；It measures pipeline one end and is connected to three-way connection, the other end is connected to the overflow pipe of desulfurizing tower, and measurement pipeline is equipped with first pressure transmitter and second pressure transmitter；One end of Drainage pipe is connected to three-way connection, and the other end is connected to recycling can, recovery channel is communicated on recycling can, recovery channel is equipped with slurries recovery pump, and the end of recovery channel is connected at the top of desulfurizing tower at without slurries；Flushing pipe connection measurement pipeline；Valve is equipped on liquid extraction conduit, Drainage pipe and flushing pipe.The problem of the utility model solves existing density measure mode and measures inaccuracy, and replacement cost is high, high failure rate.
Description
Technical field
The utility model relates to Desulfurization tower slurry device for detecting density technical fields more particularly to desulfurizing tower to hold liquid bath density
On-line measuring device.
Background technique
Flue gas desulfurization technique can be divided into wet process, dry method and semidry method three by the dry and wet form of desulfurizing agent and desulfurization reaction product
Major class, because wet desulphurization is high-efficient, application technology is mature, so being most widely used in coal-fired power plant.Wet desulphurization work
Skill mainly adsorbs the sulfur dioxide in exhaust gas using the solution of alkalinity, and entire desulphurization system is built upon the end of pollution sources flue
End, desulfurizing agent and desulfurization product are all hygrometric states, and its sweetening process is gas liquid reaction, and currently used is limestone-gypsum
Wet desulphurization, the technology as desulfurizing agent, are being taken off with lime stone slurry (lime stone adds water mill system to form, following using slurries abbreviation)
To sulfur dioxide spray washing contained in flue gas in sulphur tower, the sulfur dioxide reaction controlled in flue gas generates calcium sulfate.
In the process of running, the serum density in desulfurizing tower is an important Con trolling index, and the variation of serum density is straight
Influence desulfuration efficiency is connect, the slurry solid content in desulfurizing tower is usually 13%-23%, and concentration of slurry in a certain range is advantageous
In improving desulfuration efficiency, and when serum density is excessively high or too low, desulfuration efficiency can be all decreased obviously, by on-the-spot test
Serum density with from the point of view of desulfuration efficiency relationship, when serum density be greater than 1180g/m3When, desulfurization degree is decreased obviously；When density is less than
1075g/m3When, desulfuration efficiency can also decline, therefore, in operational process Desulfurization tower slurry density domination in suitable range,
It is beneficial to desulphurization system high-efficiency operation.
In existing wet desulphurization, desulfurization tower bottom has one section to hold liquid section, needs to be monitored to holding slurries in liquid section,
To guarantee that the concentration for holding slurries in liquid section will not influence the normal operation of desulfurization, existing measurement density because of excessively high or too low
There are two ways to: one is gradiomanometer is used, second is to add mass density meter, and inventor has found in practice
When both measurement density methods are had following defects that (1), measured using the measurement method of gradiomanometer, due to holding liquid
The reasons such as dust stratification that oxidation air and desulfurizing tower wall flange-interface in slot are easy cause measurement inaccuracy；(2), using adding quality
When the measurement method measurement of densitometer, since desulfurization slurry solid content is higher, it be easy to cause the abrasion of mass density meter larger, easily goes out
Failure, and cost is high.
Therefore, exploitation desulfurizing tower holds liquid bath denseness on-line detection device, not only has urgent researching value, it may have good
Good economic benefit and commercial application potentiality, this is exactly where the power that the utility model is accomplished and basis.
Utility model content
In order to overcome the defect of the prior art as indicated above, the utility model people has made intensive studies this,
After having paid a large amount of creative works, so as to complete the utility model.
Specifically, problem to be solved in the utility model is: desulfurizing tower is provided and holds liquid bath denseness on-line detection device,
To solve to measure inaccuracy in a manner of existing density measure, the problem of replacement cost is high, high failure rate.
In order to solve the above technical problems, the technical solution of the utility model is:
Desulfurizing tower holds liquid bath denseness on-line detection device, is connected to desulfurizing tower, including liquid extraction conduit, measurement pipeline, drain
Pipeline and flushing pipe, wherein one end of the liquid extraction conduit is connected to the liquid bath of holding of the desulfurizing tower, and the other end is connected by three
Head is connected to the Drainage pipe and the measurement pipeline；
Described measurement pipeline one end is connected to the three-way connection, and the other end is connected to the overflow pipe of the desulfurizing tower, described
First pressure transmitter and second pressure transmitter are installed on measurement pipeline, the first pressure transmitter is close to the threeway
Connector, the position of the second pressure transmitter is higher than the position of the first pressure transmitter, and holds liquid bath lower than described
Starch Level position；
One end of the Drainage pipe is connected to the three-way connection, and the other end is connected to a recycling can, connects on the recycling can
It is connected with recovery channel, slurries recovery pump is installed, and the end of the recovery channel is connected to the desulfurization on the recovery channel
Top of tower without slurries at；
The flushing pipe is connected to the measurement pipeline, and connectivity part is higher than the position of the second pressure transmitter；
Valve is mounted on the liquid extraction conduit, the Drainage pipe and the flushing pipe.
As an improvement scheme, be obliquely installed between the liquid extraction conduit and the desulfurizing tower in downward 45 °.
As an improvement scheme, the three-way connection uses in 45 ° of skew T connector.
As an improvement scheme, the valve installed in the liquid extraction conduit is the first electrically operated valve, the drain pipe
The valve installed on road is the second electrically operated valve, and the valve installed on the flushing pipe is third electrically operated valve, described first
Electrically operated valve, second electrically operated valve and the equal one DCS control system of circuit communication of the third electrically operated valve.
As an improvement scheme, the first pressure transmitter and the second pressure transmitter respectively with it is described
The connection of DCS control system circuit.
As an improvement scheme, the DCS control system also circuit communication has an alarm.
As an improvement scheme, be also equipped with first manual valve, the first manual valve in the liquid extraction conduit
Door is held between liquid bath and first electrically operated valve described in being located at, and the second manually-operated gate, institute are also equipped on the Drainage pipe
The second manually-operated gate is stated between the three-way connection and second electrically operated valve.
As an improvement scheme, the flushing pipe is connected to industrial water pipe, and the is also equipped on the flushing pipe
Three manually-operated gates, the third manually-operated gate are located between the industrial water pipe and the third electrically operated valve.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
The slurries in desulfurizing tower are taken out by liquid extraction conduit, and the first pressure transmitter by being installed on measurement pipeline
Pressure difference value is measured with second pressure transmitter, because the height between first pressure transmitter and second pressure transmitter is solid
It is fixed, the density of slurries can be calculated by formula, which thereby enhances the accuracy of measurement, avoid being newly equipped with for cost mistake is caused
Slurries are taken out measurement when simultaneously as using from desulfurizing tower, avoid the abrasion of instrument, reduce failure rate by height；
The slurries taken out when measuring are discharged into recycling can by Drainage pipe, and pass through the recovery channel in recycling can
It is added in desulfurizing tower and is re-used, improve the utilization rate of slurries, avoids wasting；
Periodic flushing is carried out to measurement pipeline by flushing pipe, guarantees that measurement pipeline and pressure transmitter are popped one's head in dry
Only, pollution-free, and then ensure that the accuracy of measurement.
To sum up, the utility model through the above scheme, solves existing density measure mode and measures inaccuracy, be replaced with
The problem of this height, high failure rate.
Detailed description of the invention
Fig. 1 is the flow diagram of the utility model；
Wherein, each number designation is respectively referred to for following concrete meaning, element and/or component in the figure.
In figure: 1, desulfurizing tower, 2, liquid extraction conduit, 3, measurement pipeline, 4, Drainage pipe, 5, flushing pipe, 6, hold liquid bath, 7,
Three-way connection, 8, overflow pipe, 9, first pressure transmitter, 10, second pressure transmitter, 11, recycling can, 12, recovery channel,
13, slurries recovery pump, the 14, first electrically operated valve, the 15, second electrically operated valve, 16, third electrically operated valve, 17, DCS control system,
18, alarm, 19, first manual valve, the 20, second manually-operated gate, 21, industrial water pipe, 22, third manually-operated gate.
Specific embodiment
Below with reference to specific embodiment, the present invention will be further described.But the purposes of these exemplary embodiments
Only it is used to enumerate the utility model with purpose, any type of any limit not is constituted to the real protection scope of the utility model
It is fixed, it is more non-that the protection scope of the utility model is confined to this.
As shown in Figure 1, desulfurizing tower 1 holds 6 denseness on-line detection device of liquid bath, it is connected to desulfurizing tower 1, including liquid extraction conduit 2,
Measure pipeline 3, Drainage pipe 4 and flushing pipe 5, wherein one end connection desulfurizing tower 1 of liquid extraction conduit 2 holds liquid bath 6, another
End is connected to by three-way connection 7 with Drainage pipe 4 and measurement pipeline 3；
It measures 3 one end of pipeline and is connected to three-way connection 7, the other end is connected to the overflow pipe 8 of desulfurizing tower 1, measures and pacifies on pipeline 3
Equipped with first pressure transmitter 9 and second pressure transmitter 10, first pressure transmitter 9 becomes close to three-way connection 7, second pressure
The position for sending the position of device 10 to be higher than first pressure transmitter 9, and lower than the Starch Level position for holding liquid bath 6；
One end of Drainage pipe 4 is connected to three-way connection 7, and the other end is connected to a recycling can 11, is communicated with back on recycling can 11
Closed tube road 12 is equipped with slurries recovery pump 13 on recovery channel 12, and 1 top of end connection desulfurizing tower of recovery channel 12 is without slurry
At liquid；
The connection measurement pipeline 3 of flushing pipe 5, and connectivity part is higher than the position of second pressure transmitter 10；
Valve is mounted on liquid extraction conduit 2, Drainage pipe 4 and flushing pipe 5.
In the present embodiment, as shown in connection with fig. 1, desulfurizing tower 1 holds 6 denseness on-line detection device of liquid bath, is connected to desulfurizing tower 1,
Including liquid extraction conduit 2, measurement pipeline 3, Drainage pipe 4 and flushing pipe 5, wherein one end of liquid extraction conduit 2 passes through fittings
Desulfurizing tower 1 holds liquid bath 6, and slurries are extracted from holding in liquid bath 6 for desulfurizing tower 1, and the other end passes through three-way connection 7 and drain
Pipeline 4 is connected to measurement pipeline 3, is flowed into slurries in measurement pipeline 3, it is also possible to which slurries is made to be flowed into drain
In pipeline 4；
The one end for measuring pipeline 3 is connected to three-way connection 7, and the other end passes through the overflow pipe 8 of fittings desulfurizing tower 1, leads to
It crosses between liquid extraction conduit 2, measurement pipeline 3 and desulfurizing tower 1 and forms U-shaped structure, happy the entering of slurries is allow to measure pipeline 3
In, it measures and first pressure transmitter 9 and second pressure transmitter 10 is installed on pipeline 3, pressure transmitter is everyday life
Common, and belong to man skilled in the art's common knowledge, details are not described herein, and pressure transmitter is a kind of by pressure
It is converted into pneumatic signal or electromotive signal carries out controlling the equipment with teletransmission, the gas that it can experience load cell
The physical pressures parameter such as body, liquid is transformed into the electric signal of standard, secondary to supply indicator alarm, recorder, adjuster etc.
Instrument measures, indicate and pressure signal is passed to electronic equipment, Jin Er by procedure regulation, the main function of pressure transmitter
Computer display pressure, principle, which is substantially:, is transformed into electronic signal as electric current for the mechanical signal of this pressure of hydraulic pressure
Pressure and voltage or size of current are linear, usually proportional relation, so, the voltage or electric current of transmitter output are with pressure
Power increases and increases two kinds of pressures of the measured medium for thus obtaining the relational expression pressure transmitter of a pressure and voltage or electric current
Power is passed through high and low two pressure chamber, and low pressure chamber pressure uses atmospheric pressure or vacuum, act on the two sides of δ first (i.e. sensing element) every
From on diaphragm, measuring diaphragm two sides are transmitted to by the filling liquid in spacer and element, the pressure used in the present embodiment becomes
Sending device is the MIK-P300 series liquid-level pressure transmitter of U.S. control production, and the presser sensor core of the transmitter uses high-performance
Silicon piezoresistance type pressure oil filling core body, sensor millivolt signal is converted into normal voltage, electric current by internal specific integrated circuit
Or frequency signal, can directly it be connected with convenience such as computer interface card, control instrument, intelligence instrument or DCS control systems 17,
Remote transmission can use the electric current way of output, have small in size, light-weight, all steel sealing structure, can be in corrosivity
Work in environment, it is easy for installation succinct, there is extraordinary antivibration and shock resistance, be widely used in process control, aviation,
The measurement and control of the liquid of the industries such as space flight, automobile, Medical Devices, gas, first pressure transmitter 9 are mounted on by connector
Close to the position of three-way connection 7, second pressure transmitter 10 is mounted on by connector higher than first pressure transmitter 9, and is lower than
The position of the Starch Level of liquid bath 6 is held, the height between first pressure transmitter 9 and second pressure transmitter 10 is fixed,
It is definite value h, by the pressure difference value P and fixed height value h between two pressure transmitters, density value ρ can be calculated, passed through
Calculation formula: ρ=P/ (gh) can calculate density value, which thereby enhance the accuracy of measurement, avoid being newly equipped with standby cause into
This is excessively high, when simultaneously as using slurries is taken out to measurement from desulfurizing tower 1, avoids the abrasion of instrument, reduce failure
Rate；
One end of Drainage pipe 4 is connected to three-way connection 7, slurry of the other end by fittings recycling can 11, after making measurement
Liquid can be drained into recycling can 11, meanwhile, the flushing liquor in flushing pipe 5 can also be drained into recycling can 11, recycling can
Recovery channel 12 is equipped with by connector on 11, slurries recovery pump 13 is installed on recovery channel 12, and recovery channel 12
End by the top of fittings desulfurizing tower 1 without slurries at, add the liquid in recycling can 11 again by recovery channel 12
It is added in desulfurizing tower 1 and is re-used, improve the utilization rate of slurries, avoid wasting；
Flushing pipe 5 measures pipeline 3 by fittings, and connectivity part is higher than the position of second pressure transmitter 10,
Periodic flushing can be carried out to the probe of measurement pipeline 3 and measurement 3 upper pressure transmitter of pipeline by flushing pipe 5, guarantee to survey
Buret road 3 and pressure transmitter probe it is clean, pollution-free, and then ensure that the accuracy of measurement；
It is mounted on valve on liquid extraction conduit 2, Drainage pipe 4 and flushing pipe 5, is starched by the control that valve can be convenient
The flowing of liquid solves existing density measure mode and measures inaccuracy, replacement cost is high, and high failure rate is asked based on above-mentioned
Topic.
In the present embodiment, as shown in connection with fig. 1, it is obliquely installed, is using in downward 45 ° between liquid extraction conduit 2 and desulfurizing tower 1
When, it is obliquely installed between liquid extraction conduit 2 and desulfurizing tower 1 in downward 45 °, flows the slurries for holding liquid bath 6 in desulfurizing tower 1 more smoothly
Enter into liquid extraction conduit 2, avoid gathering precipitating at pipeline or pipe joint, influences to use liquid extraction conduit 2 and desulfurizing tower 1
Between just matched with existing 45 ° general of skew T connector 7 in downward 45 °.
In the present embodiment, as shown in connection with fig. 1, three-way connection 7 is using the skew T connector 7 for being in 45 °, when in use, threeway
Connector 7 is using the skew T connector 7 for being in 45 °, wherein 45 ° of inclined interfaces are connected with liquid extraction conduit 2, in other two interface
The interface of bottom is connected with Drainage pipe 4, and the interface at top is connected with measurement pipeline 3, makes by using skew T connector 7
Slurries in liquid extraction conduit 2 and measurement pipeline 3 can be smoothly flowed into Drainage pipe 4, avoid slurries from gathering in the duct heavy
It forms sediment, causes line clogging.
In the present embodiment, as shown in connection with fig. 1, the valve installed in liquid extraction conduit 2 is the first electrically operated valve 14, Drainage pipe
The valve installed on 4 is the second electrically operated valve 15, and the valve installed on flushing pipe 5 is third electrically operated valve 16, and first is electronic
Valve 14, the second electrically operated valve 15 and the equal one DCS control system 17 of circuit communication of third electrically operated valve 16 take liquid when in use
The valve installed on pipeline 2 is the first electrically operated valve 14, and the valve installed on Drainage pipe 4 is the second electrically operated valve 15, is rinsed
The valve installed on pipeline 5 is third electrically operated valve 16, and electrically operated valve is that everyday life is common, and belongs to the art
Interior technical staff's common knowledge, details are not described herein, and the effect of electrically operated valve is can use electric energy as power, and passes through
Electric operator drives valve, realizes the switch motion of valve, to realize the switch control to pipeline medium, is not necessarily to people
Work operation, time saving and energy saving, easy to use, the first electrically operated valve 14, the second electrically operated valve 15 and third electrically operated valve 16 are and DCS
17 circuit communication of control system, can be controlled separately the opening and closing of electrically operated valve by DCS control system 17, and DCS is point
The english abbreviation (Distributed Control System) of cloth control system, automatic control industry is also referred to as collecting and distributing at home
Control system, it be one by process control level and process monitoring level form using communication network as the multi-level computer system of tie
System, combines the technologies such as computer, communication, display and control, basic thought be decentralised control, centralized operation, differentiated control,
Configuration is flexible, configuration is convenient, complete with high reliability, opening, flexibility, easy to maintain, harmony and control function
The characteristics of, in the present embodiment, using the FB-3000MCS DCS Process Control System of Weisheng automated production, which is adopted
It is high performance microprocessor and newest embedded design technology, soft with state-of-the-art LonWorks and open standard
Part designing technique etc., fault-toleranr technique design is (including controller, I/O component, power supply, the redundancy and heat for controlling network and server
Plugging technique) safety and availability of system are further improved, fieldbus, OPC and IEC61131-3 etc. is open
Standard is designed as the core technology of system, provides the stronger open and system integration, mature based on FB-2000NS series
On the basis of technology, client-oriented design guiding theory, according to long-term accumulation design and engineer application experience, make be
System design use is more convenient, flexible, friendly, and FB-3000MCS provides more reliable, more stable platform, is a set of be suitable for
Scalable control system from small to large meets the wider demand for control of user；
By DCS control system 17, the slurries in desulfurizing tower 1 were measured in setting every 10 minutes primary, when measurement, first controlled
First electrically operated valve 14 is opened, and is allowed slurries to be flowed into measurement pipeline 3 from liquid extraction conduit 2, is then shut off the first electrically operated valve 14,
By pressure transmitter measurement pressure value after making slurries stand 1 minute, after having measured pressure value, the second electrically operated valve 15 of control is beaten
It opens, is drained into the slurries measured in pipeline 3 in recycling can 11 by Drainage pipe 4, avoid slurries precipitating blocking pipeline, then again
It controls third electrically operated valve 16 to open, be rinsed by slurries remaining in 5 pairs of measurement pipelines 3 of flushing pipe, and pass through row
Liquid pipe road 4 is expelled to recycling can 11.
In the present embodiment, as shown in connection with fig. 1, first pressure transmitter 9 and second pressure transmitter 10 are controlled with DCS respectively
17 circuit communication of system, when in use, first pressure transmitter 9 and second pressure transmitter 10 are controlled by conducting wire and DCS respectively
17 circuit communication of system processed, the pressure value for measuring pressure transmitter are conveyed to DCS control system 17, DCS control system
17 calculate density value according to density calculation formula, and operator is facilitated to be directly viewable.
In the present embodiment, as shown in connection with fig. 1, DCS control system 17, which goes back circuit communication, an alarm 18, is using
When, 17 the first alarm of circuit communication 18 of DCS control system, when the density value that DCS control system 17 measures be higher than setting value or
When person is lower than setting value, DCS control system 17 can all control the alarm of alarm 18, find that operator in time, and locate in time
Reason avoids influencing desulfuration efficiency, and in the present embodiment, the density value setup parameter of slurries is 1075g/m3-1180g/m3。
In the present embodiment, as shown in Figure 1, first manual valve 19 is also equipped in liquid extraction conduit 2, first manual valve 19
Positioned at holding between liquid bath 6 and the first electrically operated valve 14, the second manually-operated gate 20, the second hand-operated valve are also equipped on Drainage pipe 4
Door 20 when in use, is equipped with first manual valve between three-way connection 7 and the second electrically operated valve 15 in liquid extraction conduit 2
19, first manual valve 19, which is located at, to be held between liquid bath 6 and the first electrically operated valve 14, and second is also equipped on Drainage pipe 4 manually
Valve 20, the second manually-operated gate 20 are located between three-way connection 7 and the second electrically operated valve 15, under normal circumstances, first manual valve
Door 19 and the second manually-operated gate 20 are in open state, when the first electrically operated valve 14 and the second electrically operated valve 15 break down
When, the first manual valve 19 and the second manually-operated gate 20 in corresponding pipeline can be closed, maintenance personal is facilitated to overhaul.
In the present embodiment, as shown in Figure 1, flushing pipe 5 is connected to industrial water pipe 21, third is also equipped on flushing pipe 5
Manually-operated gate 22, third manually-operated gate 22 are located between industrial water pipe 21 and third electrically operated valve 16, when in use, flushing pipe
5 are connected to industrial water pipes 21, facilitate water feeding and washing, are equipped with third manually-operated gate 22 on flushing pipe 5, and third manually-operated gate 22
Between industrial water pipe 21 and third electrically operated valve 16, third manually-operated gate 22 is in the open state under normal circumstances, works as third
When electrically operated valve 16 breaks down, third manually-operated gate 22 can be closed, maintenance personal is facilitated to overhaul.
In order to make it easy to understand, following courses of work for providing the present embodiment:
In measurement, as shown in Figure 1, DCS control system 17 first controls the first electrically operated valve 14 opening, allow slurries from taking liquid
Pipeline 2 is flowed into measurement pipeline 3, is then shut off the first electrically operated valve 14, is become after so that slurries is stood 1 minute by first pressure
It send device 9 and second pressure transmitter 10 measure differences in pressure value, and pressure difference value is transported in DCS control system 17, DCS control
System 17 calculates the density of slurries by calculation formula, and after having measured pressure value, it is electronic that DCS control system 17 controls second again
Valve 15 is opened, and drains into recycling can 11 slurries measured in pipeline 3 by Drainage pipe 4, it is electronic then to control third again
Valve 16 is opened, and is rinsed, is rinsed by the slurries of 5 pairs of measurement pipelines 3 of flushing pipe and the upper remaining of pressure transmitter probe
Liquid drains into recycling can 11 by Drainage pipe 4；
After having measured slurry density value, when the density value measured is more than or less than the range of parameter values of setting, DCS
Control system 17 controls alarm 18 and alarms, and reminds operator to handle in time；
Finally, the liquid in recycling can 11 weighs slurries by slurries recovery pump 13 and recovery channel 12 by processing
Newly it is added in desulfurizing tower 1 and makes full use of.
It can to sum up obtain, the utility model through the foregoing embodiment, solves existing density measure mode and measures inaccuracy,
The problem of replacement cost is high, high failure rate.
It should be appreciated that the purposes of these embodiments is merely to illustrate the utility model and is not intended to limitation the utility model
Protection scope.In addition, it should also be understood that, those skilled in the art can be right after having read the technology contents of the utility model
The utility model makees various change, modification and/or variation, all these equivalent forms equally fall within right appended by the application and want
Seek book within the limits of the protection.
Claims (8)
1. desulfurizing tower holds liquid bath denseness on-line detection device, it is connected to desulfurizing tower, it is characterised in that: including liquid extraction conduit, measurement
Pipeline, Drainage pipe and flushing pipe, wherein one end of the liquid extraction conduit is connected to the liquid bath of holding of the desulfurizing tower, the other end
It is connected to by three-way connection with the Drainage pipe and the measurement pipeline；
Described measurement pipeline one end is connected to the three-way connection, and the other end is connected to the overflow pipe of the desulfurizing tower, the measurement
First pressure transmitter and second pressure transmitter are installed, the first pressure transmitter is connected close to described three on pipeline
Head, the position of the second pressure transmitter are higher than the position of the first pressure transmitter, and lower than the slurry for holding liquid bath
Liquid level position；
One end of the Drainage pipe is connected to the three-way connection, and the other end is connected to a recycling can, is communicated on the recycling can
Recovery channel is equipped with slurries recovery pump on the recovery channel, and the end of the recovery channel is connected to the desulfurization tower top
Portion without slurries at；
The flushing pipe is connected to the measurement pipeline, and connectivity part is higher than the position of the second pressure transmitter；
Valve is mounted on the liquid extraction conduit, the Drainage pipe and the flushing pipe.
2. desulfurizing tower as described in claim 1 holds liquid bath denseness on-line detection device, it is characterised in that: the liquid extraction conduit with
It is obliquely installed between the desulfurizing tower in downward 45 °.
3. desulfurizing tower as described in claim 1 holds liquid bath denseness on-line detection device, it is characterised in that: the three-way connection is adopted
With the skew T connector for being in 45 °.
4. desulfurizing tower as described in claim 1 holds liquid bath denseness on-line detection device, it is characterised in that: in the liquid extraction conduit
The valve of installation is the first electrically operated valve, and the valve installed on the Drainage pipe is the second electrically operated valve, the flushing pipe
The valve of upper installation is third electrically operated valve, first electrically operated valve, second electrically operated valve and the third motor-driven valve
Door one DCS control system of circuit communication.
5. desulfurizing tower as claimed in claim 4 holds liquid bath denseness on-line detection device, it is characterised in that: the first pressure becomes
Device and the second pressure transmitter is sent to be connected to respectively with the DCS control system circuit.
6. desulfurizing tower as claimed in claim 4 holds liquid bath denseness on-line detection device, it is characterised in that: DCS control system
System, which goes back circuit communication, an alarm.
7. desulfurizing tower as claimed in claim 4 holds liquid bath denseness on-line detection device, it is characterised in that: in the liquid extraction conduit
It is also equipped with first manual valve, the first manual valve is held between liquid bath and first electrically operated valve positioned at described, institute
It states and is also equipped with the second manually-operated gate on Drainage pipe, second manually-operated gate is located at the three-way connection and second electricity
Between movable valve.
8. desulfurizing tower as claimed in claim 4 holds liquid bath denseness on-line detection device, it is characterised in that: the flushing pipe connects
Lead to industry water pipe, is also equipped with third manually-operated gate on the flushing pipe, the third manually-operated gate is located at the industry water
Between pipe and the third electrically operated valve.
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| CN201920107228.9U CN209495948U (en) | 2019-01-22 | 2019-01-22 | Desulfurizing tower holds liquid bath denseness on-line detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281217A (en) * | 2021-03-30 | 2021-08-20 | 华电电力科学研究院有限公司 | Continuous online automatic measurement device and method for slurry density |
| CN113552019A (en) * | 2021-05-25 | 2021-10-26 | 华电电力科学研究院有限公司 | Desulfurization slurry density measurement system and working method thereof |
-
2019
- 2019-01-22 CN CN201920107228.9U patent/CN209495948U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281217A (en) * | 2021-03-30 | 2021-08-20 | 华电电力科学研究院有限公司 | Continuous online automatic measurement device and method for slurry density |
| CN113552019A (en) * | 2021-05-25 | 2021-10-26 | 华电电力科学研究院有限公司 | Desulfurization slurry density measurement system and working method thereof |
| CN113552019B (en) * | 2021-05-25 | 2024-03-22 | 华电电力科学研究院有限公司 | Desulfurization slurry density measurement system and working method thereof |
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