Detection device suitable for improving density accuracy of SDA slurry pipeline

Abstract

The invention discloses a detection device suitable for improving SDA slurry pipeline density accuracy, and relates to the technical field of lime slurry density detection.The detection device comprises a connecting assembly, the connecting assembly comprises a first connecting pipe fitting, a second connecting pipe fitting is fixedly connected to one side of the first connecting pipe fitting, and a first ball is connected to one side of the second connecting pipe fitting in an attached mode; and meanwhile, the side, away from the second connecting pipe fitting, of the first ball is fixedly connected with a first spring, and the side, away from the first ball, of the first spring is fixedly connected into the first connecting pipe fitting. Through an operation interface of the detection device in the monitoring cabinet, the electric valve is opened, slurry enters the sampling pipeline, the differential pressure transmitter is used for measuring the differential pressure between the point a and the point b, a differential pressure signal is converted into an electric signal, and the electric signal is transmitted to a control system of the detection device in the monitoring cabinet through a wireless signal; and a control system of the detection device in the monitoring cabinet calculates the density of the slurry according to the differential pressure signal, so that the measurement precision and stability of the density of the slurry can be remarkably improved.

Description

Technical Field

[0001] The invention relates to the technical field of lime slurry density detection, and in particular to a detection device suitable for improving the accuracy of SDA slurry pipeline density. Background Art

[0002] At present, in the SDA desulfurization process, a density meter is usually used to monitor and control the density of lime slurry. However, in the long-term operation process, the existing density meter often has a systematic error due to various reasons (such as wear, pollution, etc.), resulting in inaccurate measurement of slurry density. This will not only increase the frequency of spare parts replacement and increase operation and maintenance costs, but more importantly, the error in slurry density will directly affect the service life of equipment such as slurry pumps, slurry pipelines and agitators, and thus have a negative impact on desulfurization efficiency.

[0003] Although the existing density meter can monitor and control the slurry density to a certain extent, its stability and accuracy still need to be improved. Especially in the case of SDA desulfurization process with large slurry density changes and complex working conditions, the existing density meter often cannot meet the actual needs, and it is troublesome to connect and the internal slurry is prone to leakage. Summary of the invention

[0004] The object of the present invention is to provide a detection device suitable for improving the accuracy of SDA slurry pipeline density, so as to solve the problems raised in the above background technology.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A detection device suitable for improving the accuracy of SDA slurry pipeline density, comprising a connection component, the connection component comprising

[0007] A connecting pipe piece 1, one side of which is fixedly connected to a connecting pipe piece 2, and one side of which is fittedly connected to a sphere 1, while a side of the sphere 1 away from the connecting pipe piece 2 is fixedly connected to a spring 1, and a side of the spring 1 away from the sphere 1 is fixedly connected to the connecting pipe piece 1;

[0008] Connector 2, the connector 2 is threadedly connected to the inner side of connector 1, one side of the connector 2 is fixedly connected to connector pipe 3, and the connector pipe 1 is fixedly connected to spring 2, and the side of the spring 2 away from the connector pipe 3 is fixedly connected to sphere 2, and sphere 2 is arranged in connector 2;

[0009] The inner connecting pipe fitting slides on the inner side of the second connecting head, and the outer surface of the inner connecting pipe fitting is fixedly connected with a limiting ring.

[0010] As a further solution of the present invention: the connector 1 is rotatably connected to the connecting pipe 2, the connector 1 is threadedly connected to the external thread provided on the connector 2 by providing an internal thread, and the connector 2 is slidably connected to the connecting pipe 2.

[0011] As a further solution of the present invention: a side of the connecting pipe piece 3 away from the connecting head 2 is fixedly connected with a conveying pipe, and the connecting assembly and the conveying pipe are both provided in two groups and are symmetrically divided.

[0012] As a further solution of the present invention: it also includes a filter assembly, the filter assembly includes a storage box, a filter screen is arranged in the storage box, and a sealing block is fixedly connected to one side of the filter screen, and a pull rod is fixedly connected to the side of the sealing block away from the filter screen;

[0013] The movable groove is arranged on one side of the storage box, and the sealing block is slidably connected in the movable groove.

[0014] As a further solution of the present invention: the filter screen, sealing block, pull rod and movable groove are each provided with two groups, the front and rear sides of the storage box are both fixedly connected to one end of connecting pipe fitting 1 away from connecting pipe fitting 2, and the connecting pipe fitting 1 is communicated with the interior of the storage box.

[0015] As a further solution of the present invention: pipes are fixedly connected to the upper and lower sides of the storage box, and flow control components are installed on the pipes.

[0016] As a further solution of the present invention: the flow control component includes a protective shell, a limiting plate is fixed inside the protective shell, and the middle part of the limiting plate is rotatably connected to a worm, and the worm is meshingly connected to a worm wheel, and at the same time, a connecting shaft is fixed to the middle part of the worm wheel, and a baffle plate is fixed to the side of the connecting shaft away from the worm wheel.

[0017] As a further solution of the present invention: the protective shell is fixedly connected to the outer surface of the pipeline, one side of the worm penetrates the protective shell and is fixedly connected to a knob, the connecting shaft penetrates and is rotatably connected to one side of the pipeline, the baffle plate is arranged in the pipeline, and a slurry tank is fixedly connected to the side of the pipeline away from the storage box, and an electric valve is arranged at the connection between the slurry tank and the pipeline.

[0018] As a further solution of the present invention: the side of the delivery pipe away from the connecting pipe three is connected to the differential pressure transmitter, and the differential pressure transmitter is connected to the water tank through a connecting pipe.

[0019] As a further solution of the present invention: the differential pressure transmitter is fixedly installed with a flushing solenoid valve 1 and a flushing solenoid valve 2 at the connection between the differential pressure transmitter and the water tank through a connecting pipe, and the water tank is fixedly installed with a flushing water valve at the connection between the differential pressure transmitter and the water tank through a connecting pipe.

[0020] Beneficial effects of the present invention:

[0021] (1) The present invention uses the operating interface of the detection device in the monitoring cabinet to open the electric valve, the slurry enters the sampling pipeline, the differential pressure transmitter is set to measure the differential pressure between points a and b, the differential pressure signal is converted into an electrical signal, and transmitted to the control system of the detection device in the monitoring cabinet through a wireless signal. The control system of the detection device in the monitoring cabinet calculates the density of the slurry according to the differential pressure signal, which can significantly improve the measurement accuracy and stability of the slurry density;

[0022] (2) The present invention pushes the connector 2 into the connector 1, rotates the connector 1, and the connector 1 is threadedly connected with the external thread of the connector 2 through the internal thread to lock it, so that the ball 1 cannot completely block the connecting pipe 2, and the internal connecting pipe moves along the inner side of the connector 2 toward the connecting pipe 3 to push the ball 2, and the ball 2 squeezes the spring 2 so that the ball 2 cannot completely block the connecting head 2, so that the differential pressure transmitter is more convenient to connect with the connecting pipe 2 through the conveying pipe and the connecting pipe 3 during the test, and the internal liquid cannot leak when separated;

[0023] (3) The present invention controls the amount of slurry entering by turning the knob to rotate the connecting shaft with the baffle plate inside the pipe to adjust the inclination angle, and then pulls the pull rod, which slides the sealing block and the filter along the movable groove to remove the filter, making it easier to clean the filter, thereby maintaining the filtering effect of the filter to ensure the cleanliness of the slurry inside the storage box and avoid clogging. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] Figure 1 It is a three-dimensional structural schematic diagram of a detection device suitable for improving the accuracy of SDA slurry pipeline density according to the present invention;

[0026] Figure 2 is a schematic cross-sectional structure diagram of a connection assembly of the present invention;

[0027] Figure 3 It is a schematic diagram of the structural disassembly of the connection assembly of the present invention;

[0028] Figure 4 It is a schematic diagram of the structural disassembly of the filter assembly of the present invention;

[0029] Figure 5 It is a schematic diagram of the structural disassembly of the flow control component of the present invention;

[0030] Figure 6 It is a schematic diagram of the structure flow of the present invention;

[0031] Figure 7 It is a control flow diagram of the present invention.

[0032] In the figure: 1, differential pressure transmitter; 2, flushing solenoid valve 1; 3, flushing solenoid valve 2; 4, flushing water valve; 5, electric valve; 6, water tank; 7, slurry tank; 8, pipeline; 9, flow control component; 10, filter component; 20, connection component; 21, delivery pipe; 101, storage box; 102, filter screen; 103, sealing block; 104, pull rod; 105, moving groove; 201, connecting pipe 1; 202, spring one; 203, connecting pipe two; 204, sphere one; 205, connector one; 206, connector two; 207, inner connecting pipe; 2071, limit ring; 208, sphere two; 209, spring two; 210, connecting pipe three; 900, protective shell; 901, knob; 902, worm; 903, limit plate; 904, worm wheel; 905, connecting shaft; 906, shielding plate. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Embodiment 1

[0035] See also Figure 1-Figure 7 As shown, the present invention is a detection device suitable for improving the accuracy of SDA slurry pipeline density, including a connecting component 20, the connecting component 20 includes

[0036] A connecting pipe 201, one side of the connecting pipe 201 is fixedly connected to a connecting pipe 203, and one side of the connecting pipe 203 is fittedly connected to a sphere 204, and at the same time, a side of the sphere 204 away from the connecting pipe 203 is fixedly connected to a spring 202, and a side of the spring 202 away from the sphere 204 is fixedly connected to the connecting pipe 201;

[0037] The second connector 206 is threadedly connected to the inner side of the first connector 205. A third connector 210 is fixedly connected to one side of the second connector 206, and a second spring 209 is fixedly connected to the first connector 201. Meanwhile, a second ball 208 is fixedly connected to the side of the second spring 209 away from the third connector 210, and the second ball 208 is disposed in the second connector 206.

[0038] The inner connecting pipe 207 slides on the inner side of the second connecting head 206 , and a limiting ring 2071 is fixedly connected to the outer surface of the inner connecting pipe 207 .

[0039] It should be noted that the setting of the ball 1 204 can block the through hole of the connecting pipe 203 through the reverse thrust of the spring 1 202, thereby preventing the slurry from leaking when the connecting pipe 203 is not in use. The setting of the ball 208 can block the through hole in the middle of the connecting head 206 through the reverse thrust of the spring 209, thereby preventing the slurry in the connecting pipe 3 210 from leaking when it is not in use.

[0040] In the present invention, preferably, the connector 1 205 is rotatably connected to the connecting pipe 2 203 , the connector 1 205 is threadedly connected to the external thread provided on the connector 2 206 by providing an internal thread, and the connector 2 206 is slidably connected to the connecting pipe 2 203 .

[0041] It should be noted that the rotational connection between the connector 1 205 and the connecting pipe 2 203 makes it easier for the connector 1 205 to be rotated and threadedly connected with the connector 2 206 .

[0042] In the present invention, preferably, the delivery pipe 21 is fixedly connected to the side of the connecting pipe member 3 210 away from the connecting head 206 , and the connecting assembly 20 and the delivery pipe 21 are both provided in two groups and are symmetrically divided.

[0043] It should be noted that the two groups of connection components 20 can correspond to points a and b as sampling positions on the positive and negative pressure sides of the differential pressure transmitter 1, and the material of the delivery pipe 21 is a rubber hose material, which is more convenient for pulling and pulling.

[0044] Embodiment 2

[0045] In the present invention, preferably, it further comprises a filter assembly 10, the filter assembly 10 comprises a storage box 101, a filter screen 102 is arranged in the storage box 101, and a sealing block 103 is fixedly connected to one side of the filter screen 102, and a pull rod 104 is fixedly connected to the side of the sealing block 103 away from the filter screen 102;

[0046] The movable groove 105 is arranged at one side of the storage box 101 , and the sealing block 103 is slidably connected in the movable groove 105 .

[0047] It should be noted that the filter 102 can filter out impurities in the slurry, making the detected slurry cleaner and avoiding clogging.

[0048] In the present invention, preferably, two groups of filter screen 102, sealing block 103, pull rod 104 and movable groove 105 are provided, and the front and rear sides of the storage box 101 are fixedly connected to one end of connecting pipe 1 201 away from connecting pipe 2 203, and connecting pipe 1 201 is communicated with the interior of the storage box 101.

[0049] It should be noted that the sealing block 103 is made of rubber material, so that the sealing block 103 can be connected to the storage box 101 through interference fit to prevent the slurry in the storage box 101 from leaking.

[0050] Embodiment 3

[0051] In the present invention, preferably, the upper and lower sides of the storage box 101 are fixedly connected with pipes 8 , and the pipes 8 are installed with flow control components 9 .

[0052] In the present invention, preferably, the flow control component 9 includes a protective shell 900, a limiting plate 903 is fixedly connected inside the protective shell 900, and the middle part of the limiting plate 903 is rotatably connected to a worm 902, and the worm 902 is meshingly connected to a worm wheel 904, and at the same time, a connecting shaft 905 is fixedly connected to the middle part of the worm wheel 904, and a baffle plate 906 is fixedly connected to the side of the connecting shaft 905 away from the worm wheel 904.

[0053] It should be noted that the material of the pipeline 8 is hard polyvinyl chloride, which makes the pipeline 8 not easy to age, has low heat resistance and hard texture. The material of the protective shell 900 is aluminum alloy, so it is suitable for occasions that need to withstand greater pressure and corrosive environment.

[0054] In the present invention, preferably, the protective shell 900 is fixedly connected to the outer surface of the pipe 8, one side of the worm 902 passes through the protective shell 900 and is fixedly connected to the knob 901, the connecting shaft 905 passes through and is rotatably connected to one side of the pipe 8, the baffle plate 906 is arranged in the pipe 8, and the side of the pipe 8 away from the storage box 101 is fixedly connected to the slurry tank 7, and an electric valve 5 is arranged at the connection between the slurry tank 7 and the pipe 8.

[0055] In the present invention, preferably, the side of the delivery pipe 21 away from the connecting pipe 210 is connected to the differential pressure transmitter 1, and the differential pressure transmitter 1 is connected to the water tank 6 through a connecting pipe.

[0056] In the present invention, preferably, a flushing solenoid valve 1 2 and a flushing solenoid valve 2 3 are fixedly installed at the connection between the differential pressure transmitter 1 and the water tank 6 through a connecting pipe, and a flushing water valve 4 is fixedly installed at the connection between the water tank 6 and the differential pressure transmitter 1 through a connecting pipe.

[0057] It should be noted that the differential pressure transmitter 1, flushing solenoid valve 1 2, flushing solenoid valve 2 3, flushing water valve 4, electric valve 5, and water tank 6 are all shown, and the differential pressure transmitter 1, flushing solenoid valve 1 2, flushing solenoid valve 2 3, flushing water valve 4, and electric valve 5 are electrically connected and controlled by wireless signal transmission through a detection device (not shown) in the monitoring cabinet.

[0058] The working principle of the present invention is as follows: first, push the second connector 206 into the first connector 205, rotate the first connector 205, and the first connector 205 is threadedly connected with the external thread of the second connector 206 through the internal thread to be locked. When the second connector 206 is connected with the second connecting pipe 203 with the internal connecting pipe 207, the internal connecting pipe 207 pushes the ball 1 204, and the ball 1 204 squeezes the spring 1 202, so that the ball 1 204 cannot completely block the second connecting pipe 203, and the internal connecting pipe 207 moves along the inner side of the second connector 206 to the connecting pipe 3 210 and then pushes the ball 2 208. The second body 208 squeezes the second spring 209 so that the second ball 208 cannot completely block the second connector 206, so that the differential pressure transmitter 1 is more convenient to connect with the second connecting pipe 203 through the conveying pipe 21 and the third connecting pipe 210 during testing, and the internal liquid cannot leak when separated. The knob 901 is turned, and the knob 901 drives the worm 902 to rotate along the protective shell 900 and the limit plate 903, the worm 902 drives the worm wheel 904 to rotate, and the worm wheel 904 drives the connecting shaft 905 to rotate along the pipeline 8, and the connecting shaft 905 drives the shielding plate 906 to rotate inside the pipeline 8 to adjust the inclination angle so as to control the amount of slurry entering;

[0059] When the differential pressure transmitter 1 is connected to the points a and b of the storage box 101 through the delivery pipe 21, the connecting pipe 3 210, and the connecting pipe 2 203 as the sampling positions of the positive and negative pressure sides of the differential pressure transmitter 1, the electric valve 5 is controlled to open by the detection device in the monitoring cabinet, so that the slurry in the slurry tank 7 enters the storage box 101 through the pipeline 8;

[0060] Through the operation interface of the detection device in the monitoring cabinet, the electric valve 5 is opened, the slurry enters the sampling pipeline, and the differential pressure transmitter 1 is opened to measure the differential pressure between points a and b. The differential pressure signal is converted into an electrical signal and transmitted to the control system of the detection device in the monitoring cabinet through a wireless signal. The control system of the detection device in the monitoring cabinet calculates the density of the slurry according to the differential pressure signal and displays it on the operation interface;

[0061] After the measurement is completed, the electric valve 5 is closed through the operation interface of the detection device in the monitoring cabinet, and the flushing solenoid valve 1 2 and the flushing solenoid valve 2 3 are started to tilt the sampling management. After the cleaning is completed, the flushing solenoid valve 1 2 and the flushing solenoid valve 2 3 are closed, and the control system of the detection device in the monitoring cabinet is terminated;

[0062] Turn the knob 901, the knob 901 drives the worm 902 to rotate along the protective shell 900 and the limit plate 903, the worm 902 drives the worm wheel 904 to rotate, the worm wheel 904 drives the connecting shaft 905 to rotate along the pipe 8, the connecting shaft 905 drives the shielding plate 906 to rotate and thus blocks the inside of the pipe 8, so that the slurry cannot pass through, pull the pull rod 104, the pull rod 104 drives the sealing block 103 and the filter screen 102 to slide out along the movable groove 105, so that the filter screen 102 is easier to clean, thereby maintaining the filtering effect of the filter screen 102 to ensure the cleanliness of the slurry inside the storage box 101 and avoid clogging.

[0063] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A detection device suitable for improving the accuracy of SDA slurry pipeline density, characterized in that: The invention comprises a connection component (20), wherein the connection component (20) comprises A connecting pipe piece 1 (201), wherein one side of the connecting pipe piece 1 (201) is fixedly connected to a connecting pipe piece 2 (203), and one side of the connecting pipe piece 2 (203) is fittedly connected to a sphere 1 (204), and at the same time, a side of the sphere 1 (204) away from the connecting pipe piece 2 (203) is fixedly connected to a spring 1 (202), and a side of the spring 1 (202) away from the sphere 1 (204) is fixedly connected to the inside of the connecting pipe piece 1 (201); A second connector (206), wherein the second connector (206) is threadedly connected to the inner side of the first connector (205), a third connector (210) is fixedly connected to one side of the second connector (206), and a second spring (209) is fixedly connected to the inside of the first connector (201), and a second ball (208) is fixedly connected to the side of the second spring (209) away from the third connector (210), and the second ball (208) is arranged in the second connector (206); An inner connecting pipe (207) slides on the inner side of the second connecting head (206), and a limiting ring (2071) is fixedly connected to the outer surface of the inner connecting pipe (207).

2. A detection device for improving the accuracy of SDA slurry pipeline density according to claim 1, characterized in that: The first connector (205) is rotatably connected to the second connector pipe (203), the first connector (205) is threadedly connected to the second connector (206) by means of an internal thread, and the second connector (206) is slidably connected to the second connector pipe (203).

3. A detection device for improving the accuracy of SDA slurry pipeline density according to claim 2, characterized in that: The side of the connecting pipe part 3 (210) away from the connecting head 2 (206) is fixedly connected to a delivery pipe (21), and the connecting assembly (20) and the delivery pipe (21) are both provided in two groups and are symmetrically divided.

4. A detection device for improving the accuracy of SDA slurry pipeline density according to claim 3, characterized in that: The invention also comprises a filter assembly (10), wherein the filter assembly (10) comprises a storage box (101), a filter screen (102) is arranged in the storage box (101), a sealing block (103) is fixedly connected to one side of the filter screen (102), and a pull rod (104) is fixedly connected to the side of the sealing block (103) away from the filter screen (102); A movable groove (105) is provided on one side of the storage box (101), and the sealing block (103) is slidably connected in the movable groove (105).

5. A detection device for improving the accuracy of SDA slurry pipeline density according to claim 4, characterized in that: The filter screen (102), the sealing block (103), the pull rod (104), and the movable groove (105) are each provided in two groups. The interior of the front and rear sides of the storage box (101) is fixedly connected to one end of the connecting pipe piece 1 (201) away from the connecting pipe piece 2 (203), and the connecting pipe piece 1 (201) is communicated with the interior of the storage box (101).

6. A detection device for improving the accuracy of SDA slurry pipeline density according to claim 5, characterized in that: The storage box (101) is fixedly connected to pipes (8) on both upper and lower sides, and flow control components (9) are installed on the pipes (8).

7. A detection device for improving the accuracy of SDA slurry pipeline density according to claim 6, characterized in that: The flow control component (9) comprises a protective shell (900), a limit plate (903) is fixedly connected inside the protective shell (900), and the middle part of the limit plate (903) is rotatably connected to a worm (902), and the worm (902) is meshingly connected to a worm wheel (904), and a connecting shaft (905) is fixedly connected to the middle part of the worm wheel (904), and a baffle plate (906) is fixedly connected to the side of the connecting shaft (905) away from the worm wheel (904).

8. A detection device for improving the accuracy of SDA slurry pipeline density according to claim 7, characterized in that: The protective shell (900) is fixedly connected to the outer surface of the pipeline (8), one side of the worm (902) passes through the protective shell (900) and is fixedly connected to a knob (901), the connecting shaft (905) passes through and is rotatably connected to one side of the pipeline (8), the shielding plate (906) is arranged in the pipeline (8), and a slurry tank (7) is fixedly connected to the side of the pipeline (8) away from the storage box (101), and an electric valve (5) is arranged at the connection between the slurry tank (7) and the pipeline (8).

9. A detection device for improving the accuracy of SDA slurry pipeline density according to claim 3, characterized in that: The side of the delivery pipe (21) away from the connecting pipe part 3 (210) is connected to the differential pressure transmitter (1), and the differential pressure transmitter (1) is connected to the water tank (6) via a connecting pipe.

10. A detection device for improving the accuracy of SDA slurry pipeline density according to claim 9, characterized in that: A flushing solenoid valve 1 (2) and a flushing solenoid valve 2 (3) are fixedly installed at the connection between the differential pressure transmitter (1) and the water tank (6) via a connecting pipe, and a flushing water valve (4) is fixedly installed at the connection between the water tank (6) and the differential pressure transmitter (1) via a connecting pipe.

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