CN218787977U - Thermal power plant's desulfurization gypsum thick liquid density measurement system - Google Patents

Thermal power plant's desulfurization gypsum thick liquid density measurement system Download PDF

Info

Publication number
CN218787977U
CN218787977U CN202222700619.6U CN202222700619U CN218787977U CN 218787977 U CN218787977 U CN 218787977U CN 202222700619 U CN202222700619 U CN 202222700619U CN 218787977 U CN218787977 U CN 218787977U
Authority
CN
China
Prior art keywords
pipe
power plant
thermal power
constant volume
gypsum slurry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222700619.6U
Other languages
Chinese (zh)
Inventor
陈明照
赵文嘉
刘飞
刘明阳
徐希玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huadian Power International Co ltd Shiliquan Power Plant
Original Assignee
Huadian Power International Co ltd Shiliquan Power Plant
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huadian Power International Co ltd Shiliquan Power Plant filed Critical Huadian Power International Co ltd Shiliquan Power Plant
Priority to CN202222700619.6U priority Critical patent/CN218787977U/en
Application granted granted Critical
Publication of CN218787977U publication Critical patent/CN218787977U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model belongs to the technical field of density measurement, concretely relates to thermal power plant's desulfurization gypsum thick liquid density measurement system, including strength blow and adopt unit and automatic constant volume weighing unit, strength is blown and is adopted the unit and is included honeycomb duct, gas blow pipe and collecting pipe, the collecting pipe is listed in honeycomb duct axial both sides with the gas blow pipe branch, gas blow pipe one end is stretched into inside the honeycomb duct, collecting pipe one end is stretched into inside the honeycomb duct, the collecting pipe other end is arranged in the honeycomb duct outside and is communicated with automatic constant volume weighing unit; the axial direction of the collecting pipe is the same as that of the blowing pipe. The utility model discloses can reduce pollution wear, guarantee that data is true accurate, it is with low costs.

Description

Thermal power plant's desulfurization gypsum thick liquid density measurement system
Technical Field
The utility model belongs to the technical field of the density measurement, concretely relates to desulfurization gypsum slurry density measurement system of thermal power plant.
Background
In the existing thermal power plant, the density of the desulfurized gypsum slurry needs to be measured, and guidance is provided for production to control the quality of the product. The desulfurization gypsum thick liquid density measurement device who has commonly used is direct mount on the sample pipeline, and densimeter sensing element arranges the sample pipeline in, and when desulfurization gypsum thick liquid through-flow in the pipeline, the detection of realization density, but this kind of detection device has following problem:
(1) Because the measured medium is desulfurized gypsum slurry, the sensing element of the densimeter is wrapped and abraded by dirt, the tuning fork signal of the densimeter is deviated, and the measured data is inaccurate;
(2) The lime slurry often causes inaccurate measurement and causes flue gas SO 2 The discharge is unreliable, the desulfurization efficiency is influenced at any time, and the quality of gypsum which is a by-product of production indirectly meets the standard or is low, so that the product quality is influenced;
(3) The existing densimeter is expensive and high in cost.
SUMMERY OF THE UTILITY MODEL
To the technical problem that the pollution wearing and tearing and measured data are inaccurate that current desulfurization absorption tower densimeter exists, the utility model provides a desulfurization absorption tower density measurement device reduces the pollution wearing and tearing, guarantees that data is true accurate, and is with low costs.
In order to realize the purpose, the utility model discloses a technical scheme be:
a thermal power plant desulfurization gypsum slurry density measuring system comprises a pneumatic blowing and collecting unit and an automatic constant-volume weighing unit, wherein the pneumatic blowing and collecting unit comprises a flow guide pipe, an air blowing pipe and a collecting pipe; the axial direction of the collecting pipe is the same as that of the blowing pipe.
Furthermore, the pneumatic blowing and extracting unit also comprises a compressed air electromagnetic valve arranged on the air blowing pipe; the compressed air electromagnetic valve is positioned outside the flow guide pipe.
Furthermore, the pneumatic blowing and extracting unit also comprises a connecting pipe arranged between the collecting pipe and the automatic constant volume weighing unit.
Further, the automatic constant volume weighing unit comprises a constant volume cup and a weighing apparatus; the constant volume cup is located below the connecting pipe and communicated with the connecting pipe, and the weighing apparatus is located above the constant volume cup and connected with the constant volume cup.
Furthermore, the thermal power plant desulfurization gypsum slurry density measurement system also comprises a rotary component connected with the constant volume cup, and the rotary component drives the constant volume cup to turn over by 180 degrees up and down.
Further, the rotary part comprises a rotary cylinder and a bracket; the rotary cylinder is fixed on the bracket and is connected with the constant volume cup.
Further, the thermal power plant desulfurization gypsum slurry density measurement system also comprises a water pipe; the water pipe is respectively communicated with the inner wall of the constant volume cup, the outer wall of the constant volume cup and the collecting pipe.
Furthermore, the system for measuring the density of the desulfurized gypsum slurry of the thermal power plant also comprises a cleaning electromagnetic valve arranged on the water pipe; and the cleaning electromagnetic valve is respectively communicated with the inner wall of the constant volume cup, the outer wall of the constant volume cup and the collecting pipe.
Furthermore, the thermal power plant desulfurization gypsum slurry density measurement system also comprises a collecting pipe flushing electromagnetic valve which is respectively communicated with the water pipe, the inside of the collecting pipe and the cleaning electromagnetic valve.
Further, the thermal power plant desulfurization gypsum slurry density measurement system also comprises an air seal electromagnetic valve communicated with the connecting pipe.
The technical effects of the utility model are that:
1. the utility model provides a desulfurization gypsum slurry density measurement system of thermal power plant, blow including the strength and adopt unit and automatic constant volume weighing unit, adopt the strength to blow and adopt the unit and avoid the thick liquid to directly erode the densimeter, the sampling good reliability, automatic constant volume weighing unit obtains the density of thick liquid through rho = mV, has guaranteed the authenticity of data, accuracy.
2. The utility model provides a unit is adopted to strength blowing includes honeycomb duct, gas blow pipe and collecting pipe, and the collecting pipe is listed in honeycomb duct axial both sides with the gas blow pipe branch, and gas blow pipe one end stretches into inside the honeycomb duct, and collecting pipe one end stretches into inside the honeycomb duct, and the collecting pipe other end is arranged in the honeycomb duct outside and is communicated with automatic constant volume weighing unit through the connecting pipe; the axial of collecting pipe is the same with the axial of gas blow pipe, blows the collection pipe through compressed air with the thick liquid that flows through in the honeycomb duct, realizes the collection of thick liquid to control compressed air through the solenoid valve and adopt the measurement with the thick liquid, need not to reduce the consumption of equipment, reduce cost with desulfurization densimeter direct mount on the sample pipeline.
3. The utility model provides an automatic constant volume weighing unit, which comprises a constant volume cup and a weighing apparatus; the density of the slurry is measured by a constant volume and weighing instrument, so that the accuracy is good; simultaneously the utility model discloses still drive the upset through the rotation cylinder, be convenient for clear up the thick liquid in the constant volume cup, then wash the pipeline, measure convenient to use next time.
4. The utility model discloses a set up the controller, with compressed air solenoid valve, rotation cylinder, weighing apparatus and washing solenoid valve. Realize automatic air-blowing, weigh, upset and wash, improve detection efficiency.
Drawings
Fig. 1 is a schematic view of a density measuring device provided by the present invention;
wherein:
1-a slurry pipe; 2, a flow guide pipe; 3-a pin; 4-compressed air electromagnetic valve; 5, collecting the pipe; 6, connecting pipes; 7-a volumetric cup; 8, weighing machine; 9-a rotary cylinder; 10-a support; 11-a bearing; 12-a water pipe; 13-cleaning the electromagnetic valve; 14-electromagnetic valve for flushing the collecting pipe; 15-air seal electromagnetic valve.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1, a thermal power plant desulfurization gypsum slurry density measurement system comprises a pneumatic blowing unit and an automatic constant volume weighing unit.
The pneumatic blowing and extracting unit comprises a flow guide pipe 2, an air blowing pipe and a collecting pipe 5, wherein the collecting pipe 5 and the air blowing pipe are respectively arranged on two axial sides of the flow guide pipe 2, one end of the air blowing pipe extends into the flow guide pipe 2, one end of the collecting pipe 5 extends into the flow guide pipe 2, and the other end of the collecting pipe 5 is arranged outside the flow guide pipe 2 and communicated with the automatic constant-volume weighing unit; the axial direction of the collecting pipe 5 is the same as that of the blowing pipe.
In the embodiment, the diameter of the draft tube 2 is DN20, the diameter of the collecting tube 5 is DN50, and the axial direction of the collecting tube 5 is the same as the axial direction of the air blowing tube, so that the draft tube 2 is opposite to the collecting tube 5, and the sampling efficiency of the serous fluid is improved.
The pneumatic blowing unit also comprises a compressed air electromagnetic valve 4 arranged on the blowing pipe; the compressed air electromagnetic valve 4 is positioned outside the draft tube 2, and the blowing force of the compressed air entering the blowing tube is controlled by the compressed air electromagnetic valve 4.
The pneumatic blowing and extracting unit also comprises a connecting pipe 6 arranged between the collecting pipe 5 and the automatic constant volume weighing unit. Preferably, the connection tube 6 is a hose.
The automatic constant volume weighing unit comprises a constant volume cup 7 and a weighing apparatus 8; the volume fixing cup 7 is positioned below the connecting pipe 6 and communicated with the connecting pipe 6, and the weighing apparatus 8 is positioned around the volume fixing cup 7 and connected with the volume fixing cup 7.
In this embodiment, the volume of the constant volume cup 7 is 500ml. The structure of the containing cup 7 is bowl-shaped. The weighing apparatus 8 is an instrument for measuring the mass of an object by using hooke's law or the principle of lever equilibrium of force, and is a commercially available product.
Further, in this embodiment, the desulfurization gypsum slurry density measurement system of the thermal power plant further includes a rotary member connected to the constant volume cup 7, and the rotary member drives the constant volume cup 7 to turn over 180 ° from top to bottom.
The rotary part comprises a rotary cylinder 9 and a bracket 10; the rotary cylinder 9 is fixed on the bracket 10 and connected with the fixed containing cup 7.
In the implementation process, in order to improve the stability and the convenience of the system device, the bracket 10 is movably connected with the fixed plate through the bearing 11, and the rotary cylinder 9 is axially the same as the bracket 10 and is horizontally arranged.
Further, the thermal power plant desulfurization gypsum slurry density measurement system also comprises a water pipe 12; the water pipe 12 is respectively communicated with the inner wall of the constant volume cup 7, the outer wall of the constant volume cup 7 and the collecting pipe 5.
The thermal power plant desulfurization gypsum slurry density measuring system also comprises a cleaning electromagnetic valve 13 arranged between the water pipe 12 and the inner wall of the constant volume cup 7 and between the water pipe and the outer wall of the constant volume cup 7; the cleaning electromagnetic valve 13 is respectively communicated with the inner wall of the constant volume cup 7 and the outer wall of the constant volume cup 7.
The thermal power plant desulfurization gypsum slurry density measurement system also comprises a collecting pipe flushing electromagnetic valve 14 arranged between the water pipe 12 and the collecting pipe 5. The collecting pipe flushing solenoid valve 14 is respectively communicated with the water pipe 12, the interior of the collecting pipe 5 and the cleaning solenoid valve 13.
The thermal power plant desulfurization gypsum slurry density measurement system further comprises compressed air externally connected to the connecting pipe 6, and the compressed air is communicated with the inside of the connecting pipe 6 through an air seal electromagnetic valve 15.
The utility model provides a desulfurization gypsum thick liquid density measurement system of thermal power plant, when using, honeycomb duct 2 and the 1 coaxial setting of thick liquid pipe, and honeycomb duct 2's upper end cover is outside at thick liquid pipe 1, and connect the fastening through pin 3, thick liquid pipe 1 is the sampling pipeline that production system set up, compressed air blows in from the gas blow pipe through compressed air solenoid valve 4, when thick liquid flows through honeycomb duct 2 from bottom to bottom in thick liquid pipe 1, compressed air's blowing power blows in the collecting pipe 5 with the thick liquid, then flow into the internal constant volume of holding cup 7 through connecting pipe 6, the initial weight of holding cup 7 is measured to weighing apparatus 8 (when not gathering the thick liquid), after the thick liquid constant volume is accomplished, weighing apparatus 8 measures the final weight of holding cup 7 (when gathering 500ml thick liquid), then (final weight-initial weight) is weight m (unit: g) of thick liquid promptly, the volume V of thick liquid is 500ml, then m/500 obtains the density of thick liquid.
After the measurement is accomplished, close compressed air solenoid valve 4, drive through rotation cylinder 9 and decide and hold cup 7 upset 180 from top to bottom, pour the thick liquid in the constant volume cup 7, open washing solenoid valve 13, water washes constant volume cup 7 inner wall, constant volume cup 7 outer wall respectively from water pipe 12, and water still gets into connecting pipe 6 through washing solenoid valve 13, washes connecting pipe 6 and collecting pipe 5. After the flushing is finished, the rotary cylinder 9 drives the fixed-volume cup 7 to turn over to an initial state, and the next air-blowing sampling and density detection are waited.
The utility model discloses still through setting up the controller, the controller is connected with compressed air solenoid valve, rotation cylinder, weighing apparatus and washing solenoid valve, realizes automatic air-blowing, weighs, upset and washes, improves detection efficiency. The controller is a commercially available product, and can realize weighing data receiving of the weighing apparatus, density calculation, calculation result output and start and stop control of the working states of the compressed air electromagnetic valve, the rotary air cylinder and the cleaning electromagnetic valve.
The utility model discloses, the device is simple, and is with low costs, and low in cost adopts the strength to blow and adopts the thick liquid to avoid directly scouring away the densimeter, solves the frequent inaccurate problem of desulfurization densimeter, and the sampling good reliability guarantees the authenticity of data, and the accuracy is good.

Claims (10)

1. The system for measuring the density of the desulfurized gypsum slurry in the thermal power plant is characterized by comprising a pneumatic blowing and collecting unit and an automatic constant-volume weighing unit, wherein the pneumatic blowing and collecting unit comprises a flow guide pipe (2), an air blowing pipe and a collecting pipe (5), the collecting pipe (5) and the air blowing pipe are respectively arranged at two axial sides of the flow guide pipe (2), one end of the air blowing pipe extends into the flow guide pipe (2), one end of the collecting pipe (5) extends into the flow guide pipe (2), and the other end of the collecting pipe (5) is arranged outside the flow guide pipe (2) and communicated with the automatic constant-volume weighing unit; the axial direction of the collecting pipe (5) is the same as that of the blowing pipe.
2. The density measurement system of the desulfurized gypsum slurry of a thermal power plant according to claim 1, wherein said pneumatic blowing and extracting unit further comprises a compressed air solenoid valve (4) disposed on the air blowing pipe; the compressed air electromagnetic valve (4) is positioned outside the draft tube (2).
3. The thermal power plant desulfurization gypsum slurry density measurement system according to claim 2, wherein the pneumatic blowing-extracting unit further comprises a connecting pipe (6) disposed between the collecting pipe (5) and the automatic constant volume weighing unit.
4. The thermal power plant desulfurized gypsum slurry density measuring system according to claim 3, wherein said automatic constant volume weighing unit comprises a constant volume cup (7) and a scale (8); the volume fixing cup (7) is positioned below the connecting pipe (6) and communicated with the connecting pipe (6), and the weighing apparatus (8) is positioned around the volume fixing cup (7) and connected with the volume fixing cup (7).
5. The thermal power plant desulfurized gypsum slurry density measuring system according to claim 4, wherein said thermal power plant desulfurized gypsum slurry density measuring system further comprises a rotary member connected to the constant volume cup (7), said rotary member driving the constant volume cup (7) to turn 180 ° up and down.
6. The thermal power plant desulfurized gypsum slurry density measuring system according to claim 5, wherein said rotary members comprise a rotary cylinder (9) and a support (10); the rotary cylinder (9) is fixed on the bracket (10) and is connected with the constant volume cup (7).
7. The thermal power plant desulfurized gypsum slurry density measuring system according to claim 4, 5 or 6, further comprising a water pipe (12); the water pipe (12) is respectively communicated with the inner wall of the constant volume cup (7), the outer wall of the constant volume cup (7) and the collecting pipe (5).
8. The thermal power plant desulfurized gypsum slurry density measuring system according to claim 7, further comprising a cleaning solenoid valve (13) disposed on the water pipe (12); and the cleaning electromagnetic valve (13) is respectively communicated with the inner wall of the constant volume cup (7), the outer wall of the constant volume cup (7) and the interior of the collecting pipe (5).
9. The thermal power plant desulfurization gypsum slurry density measurement system according to claim 8, characterized in that the thermal power plant desulfurization gypsum slurry density measurement system further comprises a collecting pipe flushing solenoid valve (14), and the collecting pipe flushing solenoid valve (14) is respectively communicated with the water pipe (12), the interior of the collecting pipe (5), and the cleaning solenoid valve (13).
10. The thermal power plant desulfurized gypsum slurry density measuring system according to claim 9, further comprising an air-seal solenoid valve (15) communicating with the connecting pipe (6).
CN202222700619.6U 2022-10-13 2022-10-13 Thermal power plant's desulfurization gypsum thick liquid density measurement system Active CN218787977U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222700619.6U CN218787977U (en) 2022-10-13 2022-10-13 Thermal power plant's desulfurization gypsum thick liquid density measurement system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222700619.6U CN218787977U (en) 2022-10-13 2022-10-13 Thermal power plant's desulfurization gypsum thick liquid density measurement system

Publications (1)

Publication Number Publication Date
CN218787977U true CN218787977U (en) 2023-04-04

Family

ID=86501915

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222700619.6U Active CN218787977U (en) 2022-10-13 2022-10-13 Thermal power plant's desulfurization gypsum thick liquid density measurement system

Country Status (1)

Country Link
CN (1) CN218787977U (en)

Similar Documents

Publication Publication Date Title
CN205317534U (en) Multilayer water sample sample thief
CN100416233C (en) Measuring method and its device for external leading sampling of pipeline gas flow
CN206193013U (en) Continuous automatic measurement device of liquid pH
CN207379870U (en) The device that a kind of bubbling liquid-level meter liquid density measurement is calibrated automatically with liquid level
CN218787977U (en) Thermal power plant's desulfurization gypsum thick liquid density measurement system
CN109142646B (en) Automatic sampling detection device of desulfurization absorption tower pH meter of thermal power factory
CN206074389U (en) A kind of buoyancy type liquid density measuring equipment
CN203037548U (en) Side-mounted differential pressure density measuring device
CN207764081U (en) A kind of alcohol concentration on-line measuring device
CN208537341U (en) A kind of slurry density measurement device
CN100416234C (en) Measuring method and its device for external screw sampling of pipeline gas flow
CN210037521U (en) System for measuring density and pH value of slurry of desulfurization absorption tower
CN107764696A (en) A kind of online slurry viscosity test device and method of testing
CN109342042A (en) A kind of detection device of rocker arm shaft of automobile engine oilhole connectivity
CN209689689U (en) A kind of ultrasonic gas flowmeter that can accurately measure gas flow, flow velocity
CN210689748U (en) Hinge link type efficient self-cleaning device
CN208843022U (en) A kind of acid-base solution holding vessel
CN106706468A (en) Vibrating tube type on-line densimeter
CN216283739U (en) Water flow tester suitable for irregular section
CN219956666U (en) Water meter metering and calibrating device
CN208313966U (en) Mercerizing machine sewage pH detection system
CN206832614U (en) Vibration tube-type on-line densimeter
CN2409514Y (en) Differential pressure density density measurer
CN211783661U (en) Ultrasonic water meter
CN207147573U (en) A kind of engine nozzle flow measurement device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant