Rake type soot blower for soot blowing of SCR (Selective Catalytic Reduction) reactor

Abstract

The utility model relates to the technical field of soot blowing equipment, in particular to rake-type soot blowing equipment for soot blowing of an SCR (selective catalytic reduction) reactor, which comprises a mounting seat, a sliding frame, a moving seat, a soot blowing body, a nozzle and a moving component, and further comprises a dust collection component, and the dust collection component comprises a moving box, a connecting pipe, a concentrating shell, a suction pipe, a cover plate, a mounting frame, a filter screen and an air suction component. The movable box is fixedly connected with the movable seat, the connecting pipe is connected with the movable box, the concentration shell is connected with the connecting pipe, the suction pipe is connected with the concentration shell, the cover plate is detachably connected with the movable box, the mounting frame is fixedly connected with the cover plate, the filter screen is fixedly connected with the mounting frame, and the air suction component is arranged on the cover plate. The dust is sucked by the suction pipe and is adsorbed and collected by the filter screen, so that the environment around the equipment is prevented from being polluted by the dust generated during operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of sootblowing equipment, and in particular relates to a rake-type sootblowing equipment for sootblowing of an SCR reactor. Background Art

[0002] The sootblowing pipe of a conventional rake sootblower consists of an air inlet main pipe and a purge rake pipe, and a plurality of nozzles are installed at the lower part of the purge rake pipe. However, the conventional rake sootblower is usually fixed, so that the sootblowing range of the equipment is limited.

[0003] In the prior art, a driving mechanism such as a screw rod is used to drive a movable sootblower body to drive each ventilation pipe to reciprocate on the catalyst surface of the reactor, thereby blowing and cleaning a large amount of accumulated soot on the catalyst surface of the reactor.

[0004] However, the existing rake-type sootblowing equipment will blow up a large amount of dust during operation, and the existing equipment is unable to absorb and collect the blown dust, so that a large amount of flying dust will pollute the environment around the equipment. Utility Model Content

[0005] The purpose of the utility model is to provide a rake-type sootblowing device for sootblowing of an SCR reactor, aiming to solve the problem that the existing rake-type sootblowing device will blow up a large amount of dust during operation, and the existing device cannot adsorb and collect the blown dust, so that a large amount of flying dust will pollute the environment around the device.

[0006] In order to achieve the above technical objectives, the technical solution adopted by the utility model is as follows: comprising a mounting seat, a sliding frame, a movable seat, a sootblowing body, a nozzle and a movable assembly, wherein the sliding frame is fixedly connected to the mounting seat and is located on one side of the mounting seat, the movable seat is slidably connected to the sliding frame and is located on one side of the sliding frame, the sootblowing body is arranged on the movable seat and is located on one side of the movable seat, the nozzle is arranged on the sootblowing body and is located on one side of the sootblowing body,

[0007] Also includes dust collection components,

[0008] The dust suction assembly includes a moving box, a connecting pipe, a collecting shell, a suction pipe, a cover plate, a mounting frame, a filter and an air suction component. The moving box is fixedly connected to the moving seat and is located on one side of the moving seat. The connecting pipe is connected to the moving box and is located on one side of the moving box. The collecting shell is connected to the connecting pipe and is located on a side of the connecting pipe away from the moving box. The suction pipe is connected to the collecting shell and is located on one side of the collecting shell. The cover plate is detachably connected to the moving box and is located on one side of the moving box. The mounting frame is fixedly connected to the cover plate and is located on one side of the cover plate. The filter is fixedly connected to the mounting frame and is located on one side of the mounting frame. The air suction component is arranged on the cover plate.

[0009] Wherein, the air suction component includes a support frame and an air pump, the support frame is fixedly connected to the cover plate and is located on one side of the cover plate; the air pump is arranged on the support frame and is located on a side of the support frame close to the moving box.

[0010] Wherein, the dust collection assembly further comprises a positioning frame, the positioning frame is fixedly connected to the moving box and is located on a side of the moving box close to the cover plate.

[0011] Among them, the moving component includes a driving motor and a screw rod, the driving motor is fixedly connected to the sliding frame and is located on one side of the sliding frame; the screw rod is connected to the output end of the driving motor and is threadedly connected to the moving seat, and is located on a side of the driving motor close to the moving seat.

[0012] Wherein, the dust suction assembly also includes a sealing component, which includes a first rubber ring, a second rubber ring and a third rubber ring, the first rubber ring is respectively connected to the moving box and the connecting pipe, and is located on the side of the moving box close to the connecting pipe; the second rubber ring is respectively connected to the connecting pipe and the concentrated shell, and is located on the side of the connecting pipe close to the concentrated shell; the third rubber ring is respectively connected to the concentrated shell and the suction pipe, and is located on the side of the concentrated shell close to the suction pipe.

[0013] The utility model discloses a rake-type sootblowing device for sootblowing an SCR reactor. The sootblowing body cooperates with a plurality of nozzles to blow off the dust on the catalyst surface of the denitration reactor. At this time, the air suction component is started to generate negative pressure in the mobile box and discharge the air in the mobile box. At the same time, the suction pipe absorbs dust through the negative pressure and introduces the sucked air and dust into the mobile box through the concentrated shell and the connecting pipe. The dust in the air is filtered through the filter in the mobile box. Finally, the filtered air is discharged through the air suction component. Therefore, the dust is sucked by the suction pipe and the dust is adsorbed and collected by the filter, thereby avoiding the dust generated during operation from polluting the environment around the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings.

[0015] Figure 1 It is a structural schematic diagram of a rake-type sootblowing device for sootblowing an SCR reactor according to the first embodiment of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the dust collection assembly of the first embodiment of the utility model.

[0017] Figure 3 It is a structural schematic diagram of a rake-type sootblowing device for sootblowing an SCR reactor according to a second embodiment of the utility model.

[0018] Figure 4 It is a structural schematic diagram of a sealing component of the second embodiment of the utility model.

[0019] In the figure: 101-mounting seat, 102-sliding frame, 103-moving seat, 104-sootblowing body, 105-nozzle, 106-dust suction assembly, 107-moving box, 108-connecting pipe, 109-concentrating shell, 110-intake pipe, 111-cover plate, 112-mounting frame, 113-filter screen, 114-positioning frame, 115-support frame, 116-air pump, 117-driving motor, 118-screw, 201-sealing member, 202-first rubber ring, 203-second rubber ring, 204-third rubber ring. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Embodiment 1:

[0022] like Figure 1-2 As shown, Figure 1It is a structural schematic diagram of a rake-type sootblowing device for sootblowing an SCR reactor according to the first embodiment of the utility model. Figure 2 It is a structural schematic diagram of the dust collection assembly of the first embodiment of the utility model.

[0023] The utility model provides a rake-type sootblowing device for sootblowing of an SCR reactor, comprising a mounting seat 101, a sliding frame 102, a moving seat 103, a sootblowing body 104, a nozzle 105, a moving assembly and a dust collecting assembly 106, wherein the dust collecting assembly 106 comprises a moving box 107, a connecting pipe 108, a central shell 109, a suction pipe 110, a cover plate 111, a mounting frame 112, a filter screen 113, an air suction component and a positioning frame 114, wherein the air suction component comprises a support frame 115 and an air pump 116, and the moving assembly comprises a driving motor 117 and a screw 118. The above-mentioned scheme solves the problem that the existing rake-type sootblowing device will blow up a large amount of dust during operation, and the existing device cannot absorb and collect the blown dust, so that a large amount of flying dust will pollute the environment around the device. It can be understood that the above-mentioned scheme can be used in the case where the dust generated during operation needs to be absorbed and collected.

[0024] In this embodiment, the sliding frame 102 is welded to the mounting seat 101, and the mounting seat 101 can be used to externally install and fix the entire device. The movable seat 103 is slidably connected to the sliding frame 102, and the movable seat 103 can be slidably adjusted on the sliding frame 102. The sootblowing body 104 is arranged on the movable seat 103, and the movement of the movable seat 103 can drive the movement of the sootblowing body 104. There are multiple nozzles 105, and multiple nozzles 105 are arranged on the sootblowing body 104. The sootblowing body 104 and the nozzle 105 can be driven to reciprocate on the surface of the reactor catalyst through a moving assembly, and the dust on the surface of the denitrification reactor catalyst is blown off by the sootblowing body 104 cooperating with the multiple nozzles 105.

[0025] Among them, the moving box 107 is fixedly connected to the moving seat 103 and is located on one side of the moving seat 103, the connecting pipe 108 is connected to the moving box 107 and is located on one side of the moving box 107, the central shell 109 is connected to the connecting pipe 108 and is located on the side of the connecting pipe 108 away from the moving box 107, the suction pipe 110 is connected to the central shell 109 and is located on one side of the central shell, the cover plate 111 is detachably connected to the moving box 107 and is located on one side of the moving box 107, the mounting frame 112 is fixedly connected to the cover plate 111 and is located on one side of the cover plate 111, the filter screen 113 is fixedly connected to the mounting frame 112 and is located On one side of the mounting frame 112, the air suction component is arranged on the cover plate 111, the moving box 107 is welded on the moving seat 103, and the moving box 107 can be driven to move by the movement of the moving seat 103. There are two connecting pipes 108, and the two connecting pipes 108 are welded and connected to the left and right sides of the moving box 107. There are two centralizing shells 109, and the two centralizing shells 109 are welded and connected to the corresponding two connecting pipes 108. The centralizing shell 109 is a hollow structure. There are multiple suction pipes 110, and the left and right ends of the multiple suction pipes 110 are welded and connected to the two centralizing shells 109. Each suction pipe 110 has multiple suction holes, and In the direction of the gas ejected from the nozzle 105, the cover plate 111 is detachably connected to the mobile box 107 with bolts, and the mobile box 107 is sealed by installing the cover plate 111. The mounting frame 112 is welded to the cover plate 111, and the connection support of the mounting frame 112 is realized by the cover plate 111. The filter screen 113 is fixedly installed on the mounting frame 112 with bolts, and the dust in the mobile box 107 introduced by the connecting pipe 108 can be adsorbed, filtered and collected by the filter screen 113. Then, the cover plate 111 can be lifted by removing the cover plate 111, which is convenient for the operator to clean the filter screen 113 on the mounting frame 112. The air suction component It is arranged on the cover plate 111, and the air suction component can discharge the gas in the moving box 107 to form a negative pressure. At the same time, the suction pipe 110 can absorb dust and introduce it into the moving box 107 for filtering through the filter 113 through the negative pressure, so that the dust on the surface of the denitration reactor catalyst is blown off by the soot blowing body 104 in cooperation with the multiple nozzles 105. At this time, the suction component is started to generate a negative pressure in the moving box 107 and discharge the air in the moving box 107. At the same time, the suction pipe 110 can absorb dust through the negative pressure and introduce the inhaled air and dust into the moving box 107 through the concentrated shell 109 and the connecting pipe 108.The dust in the air is filtered by the filter 113 in the moving box 107, and finally the filtered air is discharged through the air suction component, so that the dust is sucked by the suction pipe 110 and the dust is adsorbed and collected by the filter 113, thereby avoiding the dust generated during operation from polluting the environment around the equipment.

[0026] Secondly, the support frame 115 is fixedly connected to the cover plate 111 and is located on one side of the cover plate 111; the air pump 116 is arranged on the support frame 115 and is located on a side of the support frame 115 close to the moving box 107. The support frame 115 is bolted and fixedly installed on the cover plate 111, and the connection support of the support frame 115 is realized through the cover plate 111. The air pump 116 is bolted and fixedly installed on the support frame 115, and the connection support of the air pump 116 is realized through the support frame 115. The moving box 107 sealed by the cover plate 111 can be sucked by the air pump 116, so that a negative pressure can be formed in the mounting frame 112 of the moving box 107, so that the dust sucked in by the suction pipe 110 can finally enter the moving box 107 and be adsorbed and collected by the filter 113.

[0027] At the same time, the positioning frame 114 is fixedly connected to the moving box 107 and is located on one side of the moving box 107 close to the cover plate 111. The positioning frame 114 is welded to the moving box 107. Through the positioning frame 114, when the cover plate 111 is installed, the bolts can be quickly positioned and installed in the corresponding installation position of the moving box 107.

[0028] Finally, the driving motor 117 is fixedly connected to the sliding frame 102 and is located on one side of the sliding frame 102; the screw 118 is connected to the output end of the driving motor 117 and is threadedly connected to the moving seat 103, and is located on a side of the driving motor 117 close to the moving seat 103. The driving motor 117 is bolted and fixedly installed on the sliding frame 102, and the connection support of the driving motor 117 is realized by the sliding frame 102. The screw 118 is connected to the output end of the driving motor 117, and the driving output of the driving motor 117 can drive the rotation of the screw 118. The screw 118 is threadedly connected to the moving seat 103. Through the thread of the screw 118 and the directional limiting action of the sliding frame 102 on the movement of the moving seat 103, the screw 118 can achieve the purpose of driving the moving seat 103 to move on the sliding frame 102 when it rotates.

[0029] When using the rake-type sootblowing equipment for sootblowing an SCR reactor according to the present embodiment, the dust on the surface of the denitration reactor catalyst is blown off by the sootblowing body 104 in cooperation with the plurality of nozzles 105. At this time, the air suction component is started to generate negative pressure in the mobile box 107 and discharge the air in the mobile box 107. At the same time, the negative pressure causes the suction pipe 110 to absorb dust and introduce the inhaled air and dust into the mobile box 107 through the collecting shell 109 and the connecting pipe 108. The dust in the air is filtered through the filter 113 in the mobile box 107. Finally, the filtered air is discharged through the air suction component, thereby avoiding the dust generated during operation from polluting the environment around the equipment.

[0030] The second embodiment of the present application is:

[0031] Based on the first embodiment, please refer to Figure 3 and Figure 4 , Figure 3 It is a structural schematic diagram of a rake-type sootblowing device for sootblowing an SCR reactor according to the second embodiment of the utility model. Figure 4 It is a structural schematic diagram of a sealing component of the second embodiment of the utility model.

[0032] The utility model provides a rake-type sootblowing device for sootblowing an SCR reactor, which further comprises a sealing component 201 . The sealing component 201 comprises a first rubber ring 202 , a second rubber ring 203 and a third rubber ring 204 .

[0033] The first rubber ring 202 is connected to the moving box 107 and the connecting pipe 108, respectively, and is located on the side of the moving box 107 close to the connecting pipe 108; the second rubber ring 203 is connected to the connecting pipe 108 and the centralizing shell 109, respectively, and is located on the side of the connecting pipe 108 close to the centralizing shell 109; the third rubber ring 204 is connected to the centralizing shell 109 and the suction pipe 110, respectively, and is located on the side of the centralizing shell 109 close to the suction pipe 110. There are two first rubber rings 202, two of which are The rubber ring 202 is bonded to the connection between the moving box 107 and the two connecting pipes 108, there are two second rubber rings 203, and the two second rubber rings 203 are bonded to the connection between the two connecting pipes 108 and the two concentrated shells 109, there are multiple third rubber rings 204, and the multiple third rubber rings 204 are bonded to the connection between the two concentrated shells 109 and the multiple suction pipes 110, so that the sealing of various pipe connection points in the equipment can be improved by the first rubber ring 202, the second rubber ring 203 and the third rubber ring 204.

[0034] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A rake-type sootblowing device for sootblowing of an SCR reactor, comprising a mounting seat, a sliding frame, a movable seat, a sootblowing body, a nozzle and a movable assembly, wherein the sliding frame is fixedly connected to the mounting seat and is located on one side of the mounting seat, the movable seat is slidably connected to the sliding frame and is located on one side of the sliding frame, the sootblowing body is arranged on the movable seat and is located on one side of the movable seat, the nozzle is arranged on the sootblowing body and is located on one side of the sootblowing body, characterized in that: Also includes dust collection components, The dust suction assembly includes a moving box, a connecting pipe, a collecting shell, a suction pipe, a cover plate, a mounting frame, a filter and an air suction component. The moving box is fixedly connected to the moving seat and is located on one side of the moving seat. The connecting pipe is connected to the moving box and is located on one side of the moving box. The collecting shell is connected to the connecting pipe and is located on a side of the connecting pipe away from the moving box. The suction pipe is connected to the collecting shell and is located on one side of the collecting shell. The cover plate is detachably connected to the moving box and is located on one side of the moving box. The mounting frame is fixedly connected to the cover plate and is located on one side of the cover plate. The filter is fixedly connected to the mounting frame and is located on one side of the mounting frame. The air suction component is arranged on the cover plate.

2. The rake-type sootblowing equipment for sootblowing of the SCR reactor according to claim 1, characterized in that: The air suction component includes a support frame and an air pump. The support frame is fixedly connected to the cover plate and is located on one side of the cover plate. The air pump is arranged on the support frame and is located on one side of the support frame close to the moving box.

3. The rake-type sootblowing equipment for sootblowing of the SCR reactor according to claim 1, characterized in that: The dust collection assembly also includes a positioning frame, which is fixedly connected to the moving box and is located on a side of the moving box close to the cover plate.

4. The rake-type sootblowing equipment for sootblowing of the SCR reactor according to claim 1, characterized in that: The moving assembly includes a driving motor and a screw rod. The driving motor is fixedly connected to the sliding frame and is located on one side of the sliding frame. The screw rod is connected to the output end of the driving motor and is threadedly connected to the moving seat and is located on a side of the driving motor close to the moving seat.

5. The rake-type sootblowing equipment for sootblowing of the SCR reactor according to claim 1, characterized in that: The dust collection assembly also includes a sealing component, which includes a first rubber ring, a second rubber ring and a third rubber ring, the first rubber ring being connected to the moving box and the connecting pipe respectively, and being located on a side of the moving box close to the connecting pipe; the second rubber ring being connected to the connecting pipe and the concentrated shell respectively, and being located on a side of the connecting pipe close to the concentrated shell; the third rubber ring being connected to the concentrated shell and the suction pipe respectively, and being located on a side of the concentrated shell close to the suction pipe.

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