CN219597448U - Cleaning mechanism and densimeter washing unit - Google Patents

Abstract

The utility model relates to the technical field of absorption towers, in particular to a cleaning mechanism and a densimeter flushing device, wherein the cleaning mechanism comprises, the wiping component comprises a processing box, a filter screen obliquely arranged in the processing box and a wiping component arranged on the processing box; the knocking component comprises an installation table arranged on the outer surface of the processing box and a knocking assembly arranged on the installation table; and the discharging part comprises a switch door arranged on the outer surface of the treatment box and a discharging assembly arranged on the treatment box, and the filter screen is knocked by the knocking part, so that the filter screen is vibrated, the limestone caking can be vibrated to the lowest position of the filter screen, meanwhile, the filter screen can be wiped by the wiping part, the limestone caking is pushed to the lowest position of the filter screen, and the filter screen is prevented from being blocked.

Description

Cleaning mechanism and densimeter washing unit

Technical Field

The utility model relates to the technical field of absorption towers, in particular to a cleaning mechanism and a densimeter flushing device.

Background

The large and medium-sized coal-fired power plants in China mostly adopt a limestone-gypsum wet flue gas desulfurization device to absorb and remove SO2, process water and limestone powder are mixed into slurry, the slurry is conveyed to a desulfurization absorption tower, the slurry is conveyed to a spraying layer at the top of the tower through a slurry circulation pipeline to be sprayed, the sprayed slurry is in reverse full contact with rising flue gas, the purpose of desulfurization is achieved, and the slurry proportion is monitored in real time through a densimeter.

Because the densimeter passes through the slurry circulation pipeline connection of sample pipeline and desulfurization absorption tower, when the maintenance is stopped to the slurry circulation pump, the problem that the densimeter appears blockking up easily, and then lead to the absorption tower liquid level to calculate inaccurately, absorption tower density and PH monitor inaccurately, make the absorption tower thick liquid quality worsen easily, in order to prevent to block up, generally adopt the mode of manual on-the-spot washing to handle, however this mode has increased staff's intensity of labour, and the operation of unit is still can be influenced in time to manual cleaning, the lime stone waste liquid and the lime stone caking that produce to the clearance are general direct to be discharged to the trench simultaneously, pile up along with the lime stone caking and block up the trench easily, influence the drainage.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the problems that the waste limestone liquid and the limestone agglomerate generated by the above-mentioned cleaning are directly discharged to the trench, and the trench is easily blocked and drainage is affected by the accumulation of the limestone agglomerate.

It is therefore an object of the present utility model to provide a cleaning mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme: the cleaning device comprises a wiping component, a cleaning component and a cleaning component, wherein the wiping component comprises a processing box, a filter screen obliquely arranged in the processing box and a cleaning component arranged on the processing box; the knocking component comprises an installation table arranged on the outer surface of the processing box and a knocking assembly arranged on the installation table; and the discharging component comprises a switch door arranged on the outer surface of the treatment box and a discharging assembly arranged on the treatment box.

As a preferred embodiment of the cleaning mechanism according to the present utility model, wherein: the wiping component comprises a wiping frame arranged on the treatment box, an auxiliary piece connected with the wiping frame and a first reset spring sleeved on the wiping frame; one end of the first reset spring is connected with the wiping frame, and the other end of the first reset spring is connected with the treatment box.

As a preferred embodiment of the cleaning mechanism according to the present utility model, wherein: the auxiliary piece comprises a drawing belt connected with the wiping frame, one end of the drawing belt, far away from the wiping frame, is arranged inside the treatment box, and a guide pulley is arranged on the treatment box and is in sliding connection with the drawing belt.

As a preferred embodiment of the cleaning mechanism according to the present utility model, wherein: the knocking component comprises a driving motor arranged on the mounting table, a driving rod connected with the driving motor and a rotating cam connected with the driving rod.

As a preferred embodiment of the cleaning mechanism according to the present utility model, wherein: the treatment box is provided with a first magnetic attraction block, and the switch door is provided with a second magnetic attraction block matched with the first magnetic attraction block.

As a preferred embodiment of the cleaning mechanism according to the present utility model, wherein: the discharge assembly comprises a supporting table arranged on the outer surface of the treatment box, an elastic resetting piece arranged on the supporting table and an elastic pad arranged on the elastic resetting piece.

As a preferred embodiment of the cleaning mechanism according to the present utility model, wherein: the elastic reset piece comprises a reset telescopic rod arranged on the supporting table and a reset spring coaxially arranged with the reset telescopic rod; one end of the return spring is abutted against the supporting table, and the other end of the return spring is abutted against the telescopic rod.

The cleaning mechanism has the beneficial effects that: according to the utility model, the knocking part is arranged to knock the filter screen, so that the filter screen can vibrate, the limestone agglomeration can be shaken down to the lowest position of the filter screen, and meanwhile, the wiping part can wipe the filter screen, so that the limestone agglomeration is pushed to the lowest position of the filter screen, and the filter screen is prevented from being blocked.

In view of the fact that in the actual use process, the labor intensity of workers is increased by a manual on-site flushing mode, and the operation of a unit can be influenced due to the fact that manual cleaning is not timely.

In order to solve the technical problems, the utility model also provides the following technical scheme: the densimeter flushing device comprises the cleaning mechanism, and further comprises a conveying component, a cleaning mechanism and a cleaning mechanism, wherein the conveying component comprises a gas-liquid separation tank and a timing automatic control component arranged on the gas-liquid separation tank; the flushing component comprises a densimeter communicated with the gas-liquid separation tank and a detection assembly connected with the tightness.

As a preferred embodiment of the densitometer flushing device of the present utility model, wherein: the timing automatic control assembly comprises an emptying electric door communicated with the gas-liquid separation tank, a slurry supply electric door communicated with the gas-liquid separation tank and a flushing water electric door communicated with the gas-liquid separation tank, wherein a pressure transmitter is arranged between the flushing water electric door and the gas-liquid separation tank.

As a preferred embodiment of the densitometer flushing device of the present utility model, wherein: the detection assembly includes a turbidity meter in communication with the densitometer, and a three-way valve in communication with the turbidity meter.

The densimeter flushing device has the beneficial effects that: according to the utility model, the densimeter is regularly flushed by flushing water controlled by the timing automatic control assembly, so that the densimeter is not blocked, the normal operation of a unit is ensured, and the labor intensity of staff is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an overall schematic view of a cleaning mechanism.

Fig. 2 is a front view of a cleaning mechanism.

Fig. 3 is a cross-sectional view of a cleaning mechanism.

FIG. 4 is an overall schematic of a densitometer flushing device.

Fig. 5 is a top view of a densitometer flushing device.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1-3, a first embodiment of the present utility model provides a cleaning mechanism, comprising a wiping part 100, wherein the wiping part 100 is configured to wipe a filter screen 102, push a limestone cake to a lowest position of the filter screen 102, and comprises a treatment tank 101, the filter screen 102 obliquely arranged inside the treatment tank 101, and a wiping component 103 arranged on the treatment tank 101; a knocking component 200, wherein the knocking component 200 is arranged to knock the filter screen 102, so that the filter screen 102 generates vibration, and limestone blocks can be shaken down to the lowest position of the filter screen 102, and the knocking component comprises a mounting table 201 arranged on the outer surface of the processing box 101 and a knocking component 202 arranged on the mounting table 201; and a discharging part 300, wherein the discharging part 300 is provided to intensively remove accumulated limestone blocks at regular intervals, and includes a switching door 301 provided at an outer surface of the processing tank 101, and a discharging assembly 302 provided at the processing tank 101.

Specifically, the wiping component 103 comprises a wiping frame 103a arranged on the processing box 101, wherein the wiping frame 103a is arranged to push limestone to agglomerate and move, an auxiliary piece 103b connected with the wiping frame 103a, wherein the auxiliary piece 103b is arranged to drive the wiping frame 103a to circularly reciprocate, and a first reset spring 103c sleeved on the wiping frame 103 a; one end of the first return spring 103c is connected to the wiper frame 103a, and the other end is connected to the treatment tank 101, wherein the return spring 103c is configured to drive the wiper frame 103a to return.

Further, the auxiliary member 103b includes a drawing belt 103b-1 connected to the wiper frame 103a, wherein the drawing belt 103b-1 is provided to drive the wiper frame 103a to reciprocate, one end of the drawing belt 103b-1 away from the wiper frame 103a is provided inside the treatment tank 101, and a guide pulley 103b-2 is provided on the treatment tank 101, wherein the guide pulley 103b-2 is provided to change a moving direction of the drawing belt 103b-1, and the guide pulley 103b-2 is slidably connected to the drawing belt 103b-1.

Further, the striking assembly 202 includes a driving motor 202a disposed on the mounting table 201, wherein the driving motor 202a is configured to rotate a rotating cam 202c, a driving rod 202b connected to the driving motor 202a, and a rotating cam 202c connected to the driving rod 202b, wherein the rotating cam 202c is configured to strike the filter screen 102 and the drawing belt 103b-1.

The operation process comprises the following steps: the driving motor 202a drives the rotating cam 202c to rotate through the driving rod 202b, when the protruding part of the rotating cam 202c rotates to the uppermost position, the rotating cam collides with the filter screen 102, so that the filter screen 102 vibrates, limestone cakes on the filter screen 102 are vibrated to the lower end of the filter screen 102, when the protruding part of the rotating cam 202c rotates downwards and contacts with the drawing belt 103b-1, the drawing belt 103b-1 is pulled downwards, the pulling direction of the drawing belt 103b-1 is changed through the guide pulley 103b-2, finally the wiping frame 103a is pulled up, and at the moment, the reset spring 103c is in a stretched state, and is separated from the drawing belt 103b-1 along with the protruding part of the rotating cam 202 c. The drawing belt 103b-1 is reset, the wiping frame 103a is not pulled, the reset spring 103c is contracted and returns to the original state, the wiping frame 103a is driven to slide obliquely downwards, the limestone agglomeration on the filter screen 102 is pushed to the lower end of the filter screen 102, the filter screen 102 is prevented from being blocked, and the discharge of limestone waste liquid is ensured.

Example 2

Referring to fig. 1 to 3, for the second embodiment of the present utility model, the difference from the previous embodiment is that: the treatment box 101 is provided with a first magnetic block 101a, and the switch door 301 is provided with a second magnetic block 101b matched with the first magnetic block 101a, wherein the first magnetic block 101a and the second magnetic block 101b are arranged to ensure the closing effect of the switch door 301.

Specifically, the exhaust assembly 302 includes a support base 302a disposed on an outer surface of the processing chamber 101, an elastic restoring member 302b disposed on the support base 302a, wherein the elastic restoring member 302b is configured to assist the closing of the opening and closing door 301, and an elastic pad 302c disposed on the elastic restoring member 302b, wherein the elastic pad 302c is configured to mitigate the collision between the opening and closing door 301 and the elastic restoring member 302 b.

Further, the elastic restoring member 302b includes a restoring telescopic rod 302b-1 disposed on the supporting platform 302a, wherein the restoring telescopic rod 302b-1 is configured to assist the restoring spring 302b-2 to move in a directional manner, and a restoring spring 302b-2 disposed in a state of the restoring telescopic rod 302b-1, wherein the restoring spring 302b-2 is configured to assist the opening and closing of the door 301; one end of the return spring 302b-2 abuts against the support base 302a, and the other end abuts against the telescopic rod.

The rest of the structure is the same as in embodiment 1.

The operation process comprises the following steps: when enough limestone blocks are piled up at the lower end of the filter screen 102, the thrust exerted by the limestone blocks on the switch door 301 is larger than the adsorption force between the first magnetic attraction block 101a and the second magnetic attraction block 101b, at the moment, the switch door 301 is rotated outwards to be opened, the switch door 301 is rotated to an inclined state with the outer end facing downwards, the elastic reset piece 302b is extruded, the limestone blocks fall out along the switch door 301 and are collected and treated by staff, limestone waste liquid is discharged to a trench from a liquid outlet pipe of the treatment box 101, the switch door 301 is jacked up by the elasticity of the reset spring 302b-2 along with the falling of the limestone blocks, and the first magnetic attraction block 101a and the second magnetic attraction block 101b are mutually adsorbed along with the jacking of the switch door 301, so that the switch door 301 is closed.

Example 3

Referring to fig. 1-5, in a third embodiment of the present utility model, unlike the above embodiment, the present utility model provides a densitometer flushing device, which includes the cleaning mechanism, and further includes a conveying component 400, including a gas-liquid separation tank 401, and a timing automatic control component 402 disposed on the gas-liquid separation tank 401, where the timing automatic control component 402 is configured to control the suction water jack to read and flush, so as to ensure that the densitometer 501 is not blocked; the flushing part 500 comprises a densitometer 501 which is communicated with the gas-liquid separation tank 401, and a detection assembly 502 which is connected with the tightness, wherein the detection assembly 502 is arranged for detecting the flushing condition of the densitometer 501.

Specifically, the automatic timing control assembly 402 includes an evacuation electric door 402a in communication with the gas-liquid separation tank 401, wherein the evacuation electric door 402a is provided for controlling the gas-liquid separation tank 401 to evacuate slurry, a slurry supply electric door 402b in communication with the gas-liquid separation tank 401, wherein the slurry supply electric door 402b is provided for controlling piping to convey slurry into the gas-liquid separation tank 401, and a flushing water electric door 402c in communication with the gas-liquid separation tank 401, wherein the flushing water electric door 402c is provided for controlling the flow of flushing water, a pressure transmitter 402d is provided between the flushing water electric door 402c and the gas-liquid separation tank 401, wherein the pressure transmitter 402d is provided for ensuring the water pressure of the flushing water, and a flushing effect is ensured.

Further, the detection assembly 502 includes a turbidity meter 502a in communication with the densitometer 501, wherein the turbidity meter 502a is configured to detect the concentration of limestone waste liquid, ensure that the flushing is complete, and a three-way valve in communication with the turbidity meter 502a, wherein the three-way valve is configured to control the flow of limestone slurry and limestone waste water to different locations.

The rest of the structure is the same as in embodiment 2.

The operation process comprises the following steps: the evacuation electrically operated gate 402a is opened during normal operation, the slurry supply electrically operated gate 402b is opened, the flushing water electrically operated gate 402c is closed, the unit normally operates, the evacuation electrically operated gate 402a is closed during cleaning, the slurry supply electrically operated gate 402b is closed, the flushing water is electrically opened, the densimeter 501 is flushed, the pressure transmitter 402d ensures that the water pressure is stable during flushing, the concentration of limestone waste liquid is detected by the turbidimeter 502a, flushing is completed, and the limestone slurry and the limestone waste water are discharged into the treatment tank 101 by the three-way valve.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A cleaning mechanism, characterized in that: comprising the steps of (a) a step of,

a wiping member (100) including a treatment tank (101), a filter screen (102) provided obliquely inside the treatment tank (101), and a wiping member (103) provided on the treatment tank (101);

a knocking component (200) comprising a mounting table (201) arranged on the outer surface of the processing box (101), and a knocking assembly (202) arranged on the mounting table (201); the method comprises the steps of,

and a discharge unit (300) including a switch door (301) provided on the outer surface of the treatment tank (101), and a discharge assembly (302) provided on the treatment tank (101).

2. The cleaning mechanism of claim 1, wherein: the wiping component (103) comprises a wiping frame (103 a) arranged on the treatment box (101), an auxiliary piece (103 b) connected with the wiping frame (103 a), and a first reset spring (103 c) sleeved on the wiping frame (103 a);

one end of the first return spring (103 c) is connected with the wiping frame (103 a), and the other end of the first return spring is connected with the treatment box (101).

3. The cleaning mechanism of claim 2, wherein: the auxiliary piece (103 b) comprises a drawing belt (103 b-1) connected with the wiping frame (103 a), one end, far away from the wiping frame (103 a), of the drawing belt (103 b-1) is arranged inside the treatment box (101), and a guide pulley (103 b-2) is arranged on the treatment box (101), and the guide pulley (103 b-2) is in sliding connection with the drawing belt (103 b-1).

4. The cleaning mechanism of claim 1, wherein: the knocking assembly (202) comprises a driving motor (202 a) arranged on the mounting table (201), a driving rod (202 b) connected with the driving motor (202 a), and a rotating cam (202 c) connected with the driving rod (202 b).

5. The cleaning mechanism as recited in claim 4, wherein: the processing box (101) is provided with a first magnetic block (101 a), and the switch door (301) is provided with a second magnetic block (101 b) matched with the first magnetic block (101 a).

6. The cleaning mechanism of claim 3 or 5, wherein: the exhaust assembly (302) includes a support table (302 a) disposed on an outer surface of the processing chamber (101), an elastic restoring member (302 b) disposed on the support table (302 a), and an elastic pad (302 c) disposed on the elastic restoring member (302 b).

7. The cleaning mechanism as recited in claim 6, wherein: the elastic reset piece (302 b) comprises a reset telescopic rod (302 b-1) arranged on the supporting table (302 a) and a reset spring (302 b-2) coaxially arranged with the reset telescopic rod (302 b-1);

one end of the return spring (302 b-2) is abutted against the supporting table (302 a), and the other end is abutted against the telescopic rod.

8. A densitometer flushing device, characterized by: comprising the cleaning mechanism of any one of claims 1 to 7, further comprising,

a conveying component (400) comprising a gas-liquid separation tank (401) and a timing automatic control assembly (402) arranged on the gas-liquid separation tank (401);

a flushing component (500) comprising a densitometer (501) in communication with the gas-liquid separation tank (401), and a detection assembly (502) in communication with the tightness.

9. The densitometer flush device of claim 8, wherein: the timing automatic control assembly (402) comprises an emptying electric door (402 a) communicated with the gas-liquid separation tank (401), a slurry supply electric door (402 b) communicated with the gas-liquid separation tank (401) and a flushing water electric door (402 c) communicated with the gas-liquid separation tank (401), wherein a pressure transmitter (402 d) is arranged between the flushing water electric door (402 c) and the gas-liquid separation tank (401).

10. The densitometer flush device of claim 9, wherein: the detection assembly (502) includes a turbidity meter (502 a) in communication with a densitometer (501), and a three-way valve (502 b) in communication with the turbidity meter (502 a).