Pressure early warning device for boiler dust remover

Abstract

The utility model relates to the technical field of dust removers, and discloses a boiler dust remover pressure early warning device which comprises a supporting frame, a dust remover pipeline is fixedly installed above the supporting frame, a controller is arranged in the supporting frame, and an alarm is installed at the position, close to the controller, in the supporting frame. And the upper part of the dust remover pipeline is fixedly communicated with a communicating pipe. In the using process of the dust remover, whether the internal pressure of the dust remover pipeline is too high or too low can be detected through the pressure transmitter, a pressure signal detected by the pressure transmitter is transmitted to the controller, the controller controls the alarm to give out early warning, the blowing of an old dust remover can be monitored in real time, and the blowing of the old dust remover can be monitored in real time. Faults of the injection valve can be found and processed in time; air leakage at the top of the dust remover can be timely found, and solutions can be quickly made; and frequent high-altitude entering of personnel is reduced, and the danger of personal injury is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of dust collectors, and more specifically, to a pressure early warning device for a boiler dust collector. Background Art

[0002] It is difficult to monitor the dust removal and blowing effect of the old dust collector in the DCS, and a special person needs to be arranged to check it every day, which has the following problems. Because the top of the dust collector is high and the stairs are steep, a special person is arranged to inspect it during the day shift every day. In case of severe weather such as strong winds, rain, snow, etc., there is a risk of personal injury. It is difficult to monitor the real-time changes and failures of the dust collector blowing. It is difficult to monitor whether the pressure changes of the dust collector are normal and whether there is any air leakage. If it is not discovered in time, it will cause environmental protection to exceed the standard and trigger environmental protection incidents. Based on this, the utility model designs a pressure warning device for the boiler dust collector to solve the above problems. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a boiler dust collector pressure warning device, which has the advantage of pressure warning.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a boiler dust collector pressure warning device, comprising a support frame, a dust collector pipeline is fixedly installed on the top of the support frame, a controller is arranged inside the support frame, an alarm is installed near the controller inside the support frame, a connecting pipe is fixedly connected to the top of the dust collector pipeline, a connecting ring is fixedly installed on the top of the connecting pipe, a sealing groove is provided on the connecting ring, two symmetrically arranged limit assemblies are fixedly installed on the connecting ring, and a pressure transmitter is installed directly above the connecting pipe;

[0005] The pressure transmitter and the alarm are both electrically connected to the controller.

[0006] As a preferred technical solution of the utility model, the limit assembly includes a square plate, which is fixedly installed above the connecting ring, and a through hole is opened inside the square plate, and a limit plate is passed through both sides of the square plate, and a movable inner plate is fixedly installed on one end surface of the limit plate located inside the through hole, and an intermediate block is fixedly installed on the inner bottom surface of the through hole, a return spring is arranged between the intermediate block and the movable inner plate, and a connecting rope is fixedly connected to the movable inner plate, and the connecting rope passes through the inner top surface of the through hole and extends to the top of the square plate.

[0007] As a preferred technical solution of the utility model, one end of the return spring is fixedly connected to the movable inner plate, and the other end of the return spring is fixedly connected to the middle block.

[0008] As a preferred technical solution of the utility model, a pulling plate is fixedly installed on one end of the connecting rope away from the movable inner plate.

[0009] As a preferred technical solution of the utility model, the pressure transmitter includes a transmitter body, a matching ring is fixedly installed at the bottom end of the transmitter body, and a square through hole matching the square plate is provided on the matching ring.

[0010] As a preferred technical solution of the utility model, a sealing ring matched with the sealing groove is fixedly installed on the lower surface of the matching ring, the sealing ring is inserted into the inside of the sealing groove, and the sealing ring is sealed and matched with the sealing groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] During the use of the utility model, if the pressure inside the dust collector pipeline is too high or too low, it will be detected by the pressure transmitter, and the pressure signal detected by the pressure transmitter will be transmitted to the controller, and the alarm will be controlled by the controller to issue a warning. The utility model can monitor the spraying of the old dust collector in real time, and can promptly discover and deal with the failure of the spray valve; promptly discover the air leakage at the top of the dust collector and quickly take countermeasures; reduce the frequent entry of personnel into high altitudes to avoid the risk of personal injury. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the pressure warning device for a boiler dust collector of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the bottom of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the limit assembly of the utility model;

[0016] Figure 4 It is a side view of the limit assembly of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the pressure transmitter of the utility model.

[0018] In the figure: 1, support frame; 2, dust collector pipeline; 3, controller; 4, alarm; 5, connecting pipe; 6, connecting ring; 7, sealing groove; 8, limit assembly; 801, square plate; 802, through hole; 803, limit plate; 804, movable inner plate; 805, middle block; 806, reset spring; 807, connecting rope; 808, pull plate; 9, pressure transmitter; 901, transmitter body; 902, matching ring; 903, square through hole; 904, sealing ring DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figures 1 to 5 As shown, the utility model provides a boiler dust collector pressure warning device, including a support frame 1, a dust collector pipeline 2 is fixedly installed above the support frame 1, a controller 3 is arranged inside the support frame 1, an alarm 4 is installed near the controller 3 inside the support frame 1, a connecting pipe 5 is fixedly connected above the dust collector pipeline 2, a connecting ring 6 is fixedly installed at the top of the connecting pipe 5, a sealing groove 7 is provided on the connecting ring 6, two symmetrically arranged limit assemblies 8 are fixedly installed on the connecting ring 6, and a pressure transmitter 9 is installed just above the connecting pipe 5;

[0021] The limiting assembly 8 includes a square plate 801, which is fixedly mounted above the connecting ring 6. A through hole 802 is provided inside the square plate 801. A limiting plate 803 is penetrated on both sides of the square plate 801. A movable inner plate 804 is fixedly mounted on one end surface of the limiting plate 803 located inside the through hole 802. An intermediate block 805 is fixedly mounted on the inner bottom surface of the through hole 802. A return spring 806 is arranged between the intermediate block 805 and the movable inner plate 804. One end of the return spring 806 is fixedly connected to the movable inner plate 804, and the other end of the return spring 806 is fixedly connected to the intermediate block 805. A connecting rope 807 is fixedly connected to the movable inner plate 804. The connecting rope 807 passes through the inner top surface of the through hole 802 and extends to the top of the square plate 801. A pulling plate 808 is fixedly mounted on one end of the connecting rope 807 away from the movable inner plate 804.

[0022] The pressure transmitter 9 includes a transmitter body 901, a matching ring 902 is fixedly installed at the bottom end of the transmitter body 901, a square through hole 903 matching the square plate 801 is provided on the matching ring 902, a sealing ring 904 matching the sealing groove 7 is fixedly installed on the lower surface of the matching ring 902, the sealing ring 904 is inserted into the sealing groove 7, and the sealing ring 904 is sealed and matched with the sealing groove 7;

[0023] The pressure transmitter 9 and the alarm 4 are both electrically connected to the controller 3;

[0024] During the use of the utility model, if the pressure inside the dust collector pipeline 2 is too high or too low, it will be detected by the pressure transmitter 9, and the pressure signal detected by the pressure transmitter 9 will be transmitted to the controller 3, and the alarm 4 will be controlled by the controller 3 to issue a warning. The utility model can monitor the injection of the old dust collector in real time, and can promptly discover and deal with the failure of the injection valve; promptly discover the air leakage at the top of the dust collector, and quickly take countermeasures; reduce the frequent entry of personnel into high altitudes to avoid the risk of personal injury.

[0025] The working principle and use process of this utility model:

[0026] When it is necessary to use the boiler dust collector pressure warning device of the utility model, during use, the pressure inside the dust collector pipeline 2 that is too high or too low will be detected by the pressure transmitter 9, and the pressure signal detected by the pressure transmitter 9 will be transmitted to the controller 3, and the alarm 4 will be controlled by the controller 3 to issue a warning. The utility model can monitor the injection of the old dust collector in real time, and can promptly detect and deal with the injection valve failure; promptly detect air leakage at the top of the dust collector and quickly make a solution; reduce the frequent entry of personnel into high altitudes to avoid the risk of personal injury.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A boiler dust collector pressure warning device, comprising a support frame (1), characterized in that: A dust collector pipeline (2) is fixedly installed above the support frame (1), a controller (3) is arranged inside the support frame (1), an alarm (4) is installed inside the support frame (1) near the controller (3), a connecting pipe (5) is fixedly connected above the dust collector pipeline (2), a connecting ring (6) is fixedly installed at the top of the connecting pipe (5), a sealing groove (7) is provided on the connecting ring (6), two symmetrically arranged limit assemblies (8) are fixedly installed on the connecting ring (6), and a pressure transmitter (9) is installed directly above the connecting pipe (5); The pressure transmitter (9) and the alarm (4) are both electrically connected to the controller (3).

2. The boiler dust collector pressure warning device according to claim 1 is characterized in that: The limiting assembly (8) comprises a square plate (801), the square plate (801) is fixedly mounted above the connecting ring (6), a through hole (802) is provided inside the square plate (801), a limiting plate (803) is penetrated on both sides of the square plate (801), a movable inner plate (804) is fixedly mounted on one end surface of the limiting plate (803) located inside the through hole (802), an intermediate block (805) is fixedly mounted on the inner bottom surface of the through hole (802), a return spring (806) is arranged between the intermediate block (805) and the movable inner plate (804), and a connecting rope (807) is fixedly connected to the movable inner plate (804), and the connecting rope (807) passes through the inner top surface of the through hole (802) and extends to the top of the square plate (801).

3. The boiler dust collector pressure warning device according to claim 2 is characterized in that: One end of the return spring (806) is fixedly connected to the movable inner plate (804), and the other end of the return spring (806) is fixedly connected to the middle block (805).

4. The boiler dust collector pressure warning device according to claim 3 is characterized in that: A pulling plate (808) is fixedly mounted on one end of the connecting rope (807) away from the movable inner plate (804).

5. The boiler dust collector pressure warning device according to claim 4 is characterized in that: The pressure transmitter (9) comprises a transmitter body (901), a matching ring (902) is fixedly mounted on the bottom end of the transmitter body (901), and a square through hole (903) matching the square plate (801) is provided on the matching ring (902).

6. The boiler dust collector pressure warning device according to claim 5 is characterized in that: A sealing ring (904) matching the sealing groove (7) is fixedly mounted on the lower surface of the matching ring (902); the sealing ring (904) is inserted into the interior of the sealing groove (7), and the sealing ring (904) and the sealing groove (7) are sealingly matched.

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