A boiler dust removal, desulfurization and denitration device

By designing a movable absorbent spray structure and a gravity plug to extend the residence time of exhaust gas, the problems of uneven absorbent and short residence time caused by a fixed spray structure are solved, thereby improving the absorption efficiency of the boiler dust removal, desulfurization and denitrification device.

CN118236803BActive Publication Date: 2025-12-09淄博宏科环保科技有限公司
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Patent Information

Application Number
CN202410485506.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-12-09
Estimated Expiration
2044-04-22

AI Technical Summary

Technical Problem

In existing boiler dust removal, desulfurization and denitrification devices, the spray structure is installed in a fixed position, which makes it difficult for the absorbent liquid to be evenly distributed. The exhaust gas has a short residence time in the device and cannot fully absorb harmful components.

Method used

A movable absorbent spray structure was designed. The spray ring frame is moved by the drive rod and transmission mechanism to achieve uniform spraying of absorbent liquid, and the residence time of exhaust gas in the device is extended by the gravity plug.

Benefits of technology

This achieves uniform distribution of the absorbent liquid within the device and full contact with the exhaust gas, improving the absorption efficiency of harmful components and enhancing the desulfurization and denitrification effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to dust removal desulfurization and denitrification device technical field, disclose a kind of boiler dust removal desulfurization and denitrification device, comprising: processing shell, bottom sidewall is fixedly connected with the discharge port of dust removal tank top, the inner wall middle part of dust removal tank is fixedly connected with the filter screen of horizontal arrangement, and filter screen is located above the air inlet of dust removal tank, and the nozzle of spray frame is arranged above filter screen, and the water inlet port of spray frame is fixedly penetrated and installed on the sidewall of dust removal tank;It further comprises: upper connecting arm, which is inclined and symmetrically distributed on the inside upper portion of the processing shell.The boiler dust removal desulfurization and denitrification device is provided with the absorption liquid spraying structure that can be moved in orientation, so that the atomized sprayed absorption liquid can be more fully and uniformly contacted with the exhaust gas in the device, and the exhaust gas stays in the device for a longer time, so that the sprayed absorption liquid in the device can fully absorb the harmful components in the exhaust gas.
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Description

TECHNICAL FIELD

[0001] The present application relates to dust desulfurization and denitrification device technical field, specifically to a boiler dust desulfurization and denitrification device. BACKGROUND

[0002] A large amount of waste gas will be generated during the operation of the boiler, and the direct emission of the waste gas to the outside environment will cause serious air pollution, so the waste gas needs to be treated by the dust desulfurization and denitrification device, however, the existing dust desulfurization and denitrification device still has some problems:

[0003] For example, a coal-fired power plant boiler dust desulfurization and denitrification device with a front-to-back arrangement and connected by an exhaust duct of an electrostatic precipitator, a dust desulfurization and denitrification primary spray chamber, a dust desulfurization and denitrification secondary spray chamber, and an electrostatic mist eliminator with built-in corona wires and dust collection plates, an induced draft fan is installed in the exhaust duct of the electrostatic mist eliminator; in the dust desulfurization and denitrification primary spray chamber,

[0004] The above device has a fixed installation position of the spray structure, and the sprayed absorption liquid is difficult to be evenly distributed in the device during use, and the waste gas stays in the device for a short time, so that the sprayed absorption liquid in the device is difficult to fully absorb the harmful components in the waste gas.

[0005] In view of the above problems, it is urgent to make innovative design on the basis of the original dust desulfurization and denitrification device. SUMMARY

[0006] The present application aims to provide a boiler dust desulfurization and denitrification device to solve the problem of the existing dust desulfurization and denitrification device, which has a fixed installation position of the spray structure, and the sprayed absorption liquid is difficult to be evenly distributed in the device during use, and the waste gas stays in the device for a short time, so that the sprayed absorption liquid in the device is difficult to fully absorb the harmful components in the waste gas.

[0007] To achieve the above purpose, the present application provides the following technical scheme: a boiler dust desulfurization and denitrification device, comprising:

[0008] A treatment shell is fixedly connected with an exhaust port at the top of a dust removal box on the bottom side wall, a horizontal filter screen is fixedly connected to the inner wall of the dust removal box, the filter screen is located above the air inlet of the dust removal box, a nozzle of a spray frame is arranged above the filter screen, and a water inlet port of the spray frame is fixedly installed through the side wall of the dust removal box;

[0009] Further comprising:

[0010] The upper connecting arm is symmetrically distributed on the inner upper part of the processing shell, the sliding groove of the inner wall of the processing shell is fitted with a lifting platform, one side of the lifting platform is slidably penetrated and installed with symmetrically distributed guide rods, the upper and lower ends of the guide rods are vertically fixedly connected to the inner wall of the processing shell, the side of the lifting platform away from the guide rods is vertically fixedly connected with a top rod, symmetrically distributed upper connecting arms are arranged below the top rod, the upper ends of the two upper connecting arms are rotatably connected to the top of the lifting platform, the lower ends of the upper connecting arms are rotatably installed on the corresponding loading blocks, horizontal guide rails are arranged below the upper connecting arms, and the two ends of the guide rails are fixedly connected to the inner wall of the processing shell, the two ends of the guide rails are slidably penetrated in the corresponding loading blocks, drive rods are rotatably penetrated and installed at the protruding shafts of the bottom of the upper connecting arms, the shafts of the drive rods are rotatably penetrated in the loading blocks, the drive rods are coaxially and fixedly penetrated in the transmission discs, and the two ends of the drive rods are fixedly installed with corresponding rotating mechanisms, the rotating mechanism comprises a support ring, equiangularly distributed blades are fixedly connected to the surface of the support ring, one end of the blade away from the support ring is fixedly installed on the outer wall of the connecting ring, and the end of the drive rod is coaxially and fixedly connected to the middle part of the connecting ring.

[0011] The vertical rod is vertically arranged below the middle part of the guide rail, symmetrically distributed lower connecting arms are rotatably connected to the mounting table at the top of the vertical rod, and one end of the lower connecting arm away from the vertical rod is rotatably installed at the bottom of the loading block, the vertical rod is slidably penetrated in the top of the air pressure cylinder, the air pressure cylinder is fixedly penetrated in the bottom of the processing shell, a control mechanism is fixedly installed on the middle part of the outer wall of the air pressure cylinder, the control mechanism comprises a storage box, the outer wall of the storage box is vertically fixedly installed on the side wall of the air pressure cylinder, a moving plate is slidably installed on the inner side of the storage box, the side wall of the moving plate and the inner wall of the storage box are elastically connected by a spring, the axis of the moving plate is arranged in parallel with the axis of the air pressure cylinder, one end of a gas conveying pipe is fixedly communicated with the bottom side wall of the air pressure cylinder, the other end of the gas conveying pipe is fixedly penetrated and installed on the processing shell, and the upper end of the gas conveying pipe is arranged upwards.

[0012] Preferably, the top of the processing shell is fixedly communicated with an exhaust pipe, a horizontally arranged transverse plate is fixedly installed on the inner wall of the exhaust pipe, a guide column on the gravity plug is slidably penetrated and installed in the middle part of the transverse plate, the gravity plug and the exhaust pipe are coaxially arranged above the top rod, the bottom of the gravity plug is tightly sealed on the inner side of the lower end of the exhaust pipe, so that the gravity plug can vertically move on the transverse plate.

[0013] Preferably, the lower end of the vertical rod is coaxially fixedly connected with a trigger disc, which is attached to the inner wall of the air pressure cylinder, and a pressure spring is fixedly connected between the bottom surface of the trigger disc and the top of the air pressure plug, the side wall of the air pressure plug is attached to the inner wall of the air pressure cylinder, an annular positioning groove is formed in the upper part of the side wall of the air pressure plug, a locking structure is formed by the convex teeth of the positioning teeth embedded in the positioning groove, the positioning teeth are slidably penetrated through the side walls of the air pressure cylinder and the storage box, and the end of the positioning teeth away from the air pressure plug is fixedly connected to the outer wall of the moving plate, so that the moving plate can drive the positioning teeth to move synchronously.

[0014] Preferably, the upper part of the side wall of the moving plate is fixedly connected with a horizontally arranged stress block, which is slidably penetrated through the outer walls of the air pressure cylinder and the storage box, the stress block is arranged in parallel above the positioning teeth, the length of the stress block is greater than that of the positioning teeth, and the arc surface of the stress block is located on the inner side of the air pressure cylinder, so that the stress block can drive the moving plate to move.

[0015] Preferably, the top center of the guide rail is fixedly connected with a gear plate, both of which are arranged in parallel, the gear plate is slidably penetrated through the loading block, the gear on the gear plate is engaged with the gear wheel in the middle of the drive rod to form a transmission structure, and the two sides of the gear plate are symmetrically attached with transmission discs, the side of the transmission disc away from the gear plate is attached in the mounting groove at the bottom of the upper connecting arm, so that the drive rod can rotate on the gear plate.

[0016] Preferably, a wavy annular groove is formed in the disc surface of the transmission disc close to the gear plate, the lower end of the tension rod is attached between the transmission discs, the convex shaft of the lower end of the tension rod is inserted into the corresponding annular groove of the transmission disc to form a transmission structure, the tension rod is slidably penetrated through the upper connecting arm, the upper end of the tension rod is slidably penetrated through the extrusion cylinder, the extrusion cylinder is fixedly connected to the outer wall of the upper connecting arm, the inner wall of the extrusion cylinder is attached with a drainage plug at the top, and the upper end of the tension rod is fixedly connected to the top of the drainage plug, so that the tension rod can drive the drainage plug to move.

[0017] Preferably, the lower part of the side wall of the extrusion cylinder is fixedly connected with the lower end of a one-way valve pipe for supplying absorption liquid, the top of the one-way valve pipe is fixedly penetrated through the processing shell, and the upper end of the one-way valve pipe is fixedly connected to the bottom of the liquid storage tank, the liquid storage tank is fixedly installed on the outer wall of the processing shell for storing desulfurization and denitrification absorption liquid, the bottom surface of the extrusion cylinder is fixedly connected with a docking valve body, the plug body of the valve core is attached to the liquid inlet of the docking valve body to play a one-way sealing role, and the side of the valve core away from the extrusion cylinder is elastically connected to the inner wall of the docking valve body through a spring, and the two sides of the docking valve body are fixedly connected with symmetrically distributed liquid delivery pipes, so that the absorption liquid in the extrusion cylinder can flow into the docking valve body.

[0018] Preferably, coaxial sleeves corresponding to the spray ring frame are arranged on the two side outer walls of the driving rod, one side of the spray ring frame is rotatably embedded on the outer wall of the loading block, the middle part of the spray ring frame is fixedly connected with a liquid inlet pipe away from one end of the valve body, the liquid inlet pipe passes through the through hole on the loading block, the side wall of the end of the spray ring frame away from the loading block is provided with equally angularly distributed nozzles, the outer wall of the other end of the spray ring frame is fixedly connected with symmetrically distributed rotating discs, the rotating discs are slidingly arranged in the arc-shaped grooves in the loading block, and corresponding return springs are fixedly connected between the upper and lower sides of the rotating discs and the inner wall of the loading block, so that the spray ring frame can drive the rotating discs to rotate.

[0019] Preferably, an outer support is arranged on the end face of the spray ring frame, the outer support is fixedly connected to the outer wall of the loading block, a support ring is coaxially arranged between the inner side of the outer support and the outer side of a transmission gear ring, the transmission gear ring is coaxially fixedly connected to the outer wall of the spray ring frame, and the support ring is arranged on the end face of the spray ring frame, so that the transmission gear ring can drive the spray ring frame to rotate.

[0020] Preferably, an adjusting tooth rod is slidingly and penetratively arranged on the side wall of the support ring, the axis of the adjusting tooth rod is perpendicular to the axis of the transmission gear ring, the teeth of the adjusting tooth rod are located on the outer side of the transmission gear ring, a pressure block is coaxially fixedly arranged on the end of the adjusting tooth rod away from the transmission gear ring, the inner wall of the outer support is arranged on the pressure block, symmetrically distributed side plates are fixedly arranged on the two sides of the adjusting tooth rod, the side plates are slidingly arranged on the inner side of the support ring, the outer wall of the side plate and the inner wall of the support ring are elastically connected through a spring, three equiangularly distributed arc-shaped protrusions are arranged on the inner wall of the outer support, and the side of the protrusion is provided with the pressure block, so that the adjusting tooth rod can move on the support ring.

[0021] Compared with the prior art, the beneficial effects of the present application are: the boiler dust removal desulfurization and denitrification device is provided with an absorbent liquid spraying structure which can be moved in a direction, so that the atomized and sprayed absorbent liquid can be more fully and uniformly contacted with the waste gas in the device, and the waste gas stays in the device for a longer time, so that the sprayed absorbent liquid in the device can fully absorb the harmful components in the waste gas, and the specific contents are as follows:

[0022] 1、The bottom of the upper connecting arm is rotatably penetrated by a drive rod, the rod body of the drive rod is rotatably penetrated by a loading block, corresponding rotating mechanisms are fixedly installed at both ends of the drive rod, a spraying ring frame is rotatably installed on the loading block, so that the upper connecting arm can drive the spraying ring frame to move through the loading block, the annular surface of the support ring is fixedly connected with blades distributed at equal angles, one end of the blade away from the support ring is fixedly installed on the outer wall of the connecting ring, the middle axis of the connecting ring is coaxially fixedly connected with the end of the drive rod, so that the drive rod can drive the support ring to rotate through the connecting ring and the blade, the intermittent movement of the adjusting rack on the support ring drives the transmission gear ring to rotate, so that the transmission gear ring can drive the spraying ring frame to further reciprocate, at this time, the spraying ring frame sprays the atomized absorption liquid into the treatment shell;

[0023] 2、The top of the treatment shell is fixedly connected with an exhaust pipe, a horizontal transverse plate is fixedly installed on the inner wall of the exhaust pipe, a guide column on the gravity plug is slidably penetrated by the middle of the transverse plate, the gravity plug and the exhaust pipe are coaxially arranged above the top rod, the bottom of the gravity plug is tightly blocked in the inner side of the lower end of the exhaust pipe, the gravity plug prolongs the residence time of the exhaust gas in the treatment shell, a lifting platform is tightly installed in the chute of the inner wall of the treatment shell, symmetrically distributed guide rods are slidably penetrated by one side of the lifting platform, the upper and lower ends of the guide rods are vertically fixedly connected to the inner wall of the treatment shell, a top rod is vertically fixedly connected to the top of the side of the lifting platform away from the guide rods, the lifting platform can drive the top rod to move, so that the top rod can push the gravity plug, so as to discharge the purified gas in the treatment shell. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall external structure of the application;

[0025] Figure 2 It is a schematic diagram of the dust removal box installation structure of the application;

[0026] Figure 3 It is a schematic diagram of the top rod installation structure of the application;

[0027] Figure 4 It is a schematic diagram of the air pressure cylinder installation structure of the application;

[0028] Figure 5 It is a schematic diagram of the moving plate installation structure of the application;

[0029] Figure 6 It is a schematic diagram of the upper connecting arm installation structure of the application;

[0030] Figure 7 It is a schematic diagram of the lifting platform installation structure of the application;

[0031] Figure 8 It is a schematic diagram of the lower connecting arm installation structure of the application;

[0032] Figure 9 Figure is the schematic diagram of the rotating disc mounting structure of the present application;

[0033] Figure 10 Figure is the schematic diagram of the spray frame mounting structure of the present application;

[0034] Figure 11 Figure is the schematic diagram of the infusion tube mounting structure of the present application;

[0035] Figure 12 Figure is the schematic diagram of the driving rod mounting structure of the present application;

[0036] Figure 13 Figure is the schematic diagram of the transmission disc mounting structure of the present application;

[0037] Figure 14 Figure is the schematic diagram of the support ring mounting structure of the present application;

[0038] Figure 15 Figure is the schematic diagram of the adjusting tooth rod mounting structure of the present application.

[0039] In the figure: 1, processing shell; 2, dust removal box; 3, filter screen; 4, spray frame; 5, exhaust pipe; 6, cross plate; 7, gravity plug; 8, lifting platform; 9, top rod; 10, guide rod; 11, electric cylinder; 12, upper connecting arm; 13, loading block; 14, guide rail; 15, toothed plate; 16, lower connecting arm; 17, vertical rod; 18, air pressure cylinder; 19, trigger disc; 20, pressure spring; 21, air pressure plug; 22, control mechanism; 2201, storage box; 2202, moving plate; 2203, positioning tooth; 2204, force receiving block; 23, gas delivery pipe; 24, driving rod; 25, transmission disc; 26, tension rod; 27, extrusion cylinder; 28, liquid discharge plug; 29, one-way valve pipe; 30, liquid storage bin; 31, butt joint valve body; 32, valve core; 33, infusion tube; 34, spray ring frame; 35, transmission tooth ring; 36, rotating mechanism; 3601, support ring; 3602, adjusting tooth rod; 3603, pressure receiving block; 3604, side plate; 3605, blade; 3606, connecting ring; 37, outer support; 38, rotating disc; 39, return spring. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0041] Please refer to Figures 1-15 The present application provides a technical solution: a boiler dust removal, desulfurization and denitrification device, comprising:

[0042] The processing shell 1 is fixedly connected with the exhaust port of the top of the dust removal box 2 on the bottom side wall, the inner wall of the dust removal box 2 is fixedly connected with the horizontally arranged filter screen 3, the filter screen 3 is located above the air inlet of the dust removal box 2, the upper side of the filter screen 3 is provided with the nozzle of the spray frame 4, and the water inlet port of the spray frame 4 is fixedly and penetratingly installed on the side wall of the dust removal box 2.

[0043] Further comprising:

[0044] The upper connecting arm 12 is symmetrically distributed on the inner side of the processing shell 1, the sliding groove of the inner wall of the processing shell 1 is fitted with the lifting platform 8, one side of the lifting platform 8 is slidingly and penetratingly installed with the symmetrically distributed guide rod 10, the upper and lower ends of the guide rod 10 are vertically and fixedly connected to the inner wall of the processing shell 1, the side top of the lifting platform 8 away from the guide rod 10 is vertically and fixedly connected with the top rod 9, the symmetrically distributed upper connecting arms 12 are arranged below the top rod 9, the upper ends of the two upper connecting arms 12 are rotatably connected to the top of the lifting platform 8, the lower ends of the upper connecting arms 12 are rotatably installed on the corresponding loading blocks 13, the horizontal guide rails 14 are arranged below the upper connecting arms 12, the two ends of the guide rails 14 are fixedly connected to the inner wall of the processing shell 1, the two ends of the guide rails 14 are slidingly and penetratingly arranged in the corresponding loading blocks 13, the drive rods 24 are rotatably and penetratingly installed at the protruding shafts of the bottom of the upper connecting arms 12, the rod bodies of the drive rods 24 are rotatably and penetratingly arranged in the loading blocks 13, the drive rods 24 are coaxially and fixedly penetratingly arranged in the transmission disc 25, the corresponding rotating mechanisms 36 are fixedly installed at the two ends of the drive rods 24, the rotating mechanisms 36 comprise the support ring 3601, the support ring 3601 is fixedly connected with the equally angularly distributed blades 3605 on the ring surface, the blades 3605 are fixedly installed on the outer wall of the connecting ring 3606 away from the support ring 3601, and the connecting ring 3606 is coaxially and fixedly connected with the end of the drive rod 24 at the middle axis.

[0045] The vertical rod 17 is vertically arranged below the middle of the guide rail 14, the mounting table on the top of the vertical rod 17 is rotatably connected with the symmetrically distributed lower connecting arms 16, and the end of the lower connecting arms 16 away from the vertical rod 17 is rotatably mounted on the bottom of the loading block 13. The vertical rod 17 is slidably penetrated through the top of the air pressure cylinder 18, the air pressure cylinder 18 is fixedly penetrated through the bottom of the processing shell 1, the middle of the outer wall of the air pressure cylinder 18 is fixedly mounted with the control mechanism 22, the control mechanism 22 comprises a storage box 2201, the outer wall of the storage box 2201 is fixedly and vertically mounted on the side wall of the air pressure cylinder 18, the inner side of the storage box 2201 is slidably mounted with a moving plate 2202, the side wall of the moving plate 2202 and the inner wall of the storage box 2201 are elastically connected through a spring, the axis of the moving plate 2202 is arranged in parallel with the axis of the air pressure cylinder 18, one end of the gas conveying pipe 23 is fixedly communicated with the bottom side wall of the air pressure cylinder 18, the other end of the gas conveying pipe 23 is fixedly penetrated and mounted on the processing shell 1, and the upper end of the gas conveying pipe 23 is arranged upwards.

[0046] The top center of the guide rail 14 is fixedly connected with a toothed plate 15, both of which are arranged in parallel along the axis, the toothed plate 15 is slidably penetrated through the loading block 13, and the teeth of the toothed plate 15 are engaged with the gear in the middle of the driving rod 24 to form a transmission structure, and the two sides of the toothed plate 15 are fitted with symmetrically distributed transmission discs 25, the side of the transmission disc 25 away from the toothed plate 15 is fitted and installed in the mounting groove at the bottom of the upper connecting arm 12, so that the driving rod 24 can rotate on the toothed plate 15, and the disc surface of the transmission disc 25 close to the toothed plate 15 is provided with a wavy annular groove, the lower end of the tension rod 26 is fitted between the transmission discs 25, the convex shaft at the lower end of the tension rod 26 is fitted and inserted into the corresponding annular groove in the transmission disc 25 to form a transmission structure, the tension rod 26 is slidably penetrated through the upper connecting arm 12, and the upper end of the tension rod 26 is slidably penetrated through the extrusion cylinder 27, the extrusion cylinder 27 is fixedly connected to the outer wall of the upper connecting arm 12, the inner wall of the extrusion cylinder 27 is fitted with a drainage plug 28 at the top, the upper end surface of the tension rod 26 is fixedly connected to the top of the drainage plug 28, the driving rod 24 can drive the transmission disc 25 to rotate, at this time the annular groove on the transmission disc 25 will drive the tension rod 26 to reciprocate, the tension rod 26 will drive the drainage plug 28 to move synchronously in the extrusion cylinder 27, the lower part of the side wall of the extrusion cylinder 27 is fixedly connected with a one-way valve pipe 29 for supplying absorbing liquid, the top of the one-way valve pipe 29 is fixedly penetrated through the treatment shell 1, and the upper end of the one-way valve pipe 29 is fixedly communicated with the bottom of a liquid storage bin 30, the liquid storage bin 30 is fixedly installed on the outer wall of the treatment shell 1 for storing desulfurization and denitrification absorbing liquid, the bottom surface of the extrusion cylinder 27 is fixedly communicated with a butt valve body 31, the plug body of the valve core 32 is fitted at the liquid inlet of the butt valve body 31 to play a one-way closing role, and the side of the valve core 32 away from the extrusion cylinder 27 is elastically connected with the inner wall of the butt valve body 31 through a spring, the two sides of the butt valve body 31 are fixedly communicated with symmetrically distributed liquid delivery pipes 33, at this time the drainage plug 28 will continuously send the liquid in the extrusion cylinder 27 into the butt valve body 31.

[0047] The top air outlet of the processing shell 1 is fixedly communicated with an exhaust pipe 5, a horizontal plate 6 is fixedly installed on the inner wall of the upper part of the exhaust pipe 5, guide columns on the gravity plug 7 are slidingly penetrated and installed in the middle part of the horizontal plate 6, the gravity plug 7 and the exhaust pipe 5 are coaxially arranged above the top rod 9, the bottom of the gravity plug 7 is tightly blocked on the inner side of the lower end of the exhaust pipe 5, so that the upwardly moving top rod 9 can push the gravity plug 7 to move, a trigger disc 19 is coaxially fixedly connected on the lower end surface of the vertical rod 17, the trigger disc 19 is tightly installed on the inner wall of the air pressure cylinder 18, a pressure spring 20 is fixedly connected between the bottom surface of the trigger disc 19 and the top of the air pressure plug 21, the side wall of the air pressure plug 21 is tightly arranged on the inner wall of the air pressure cylinder 18, an annular positioning groove is formed on the upper part of the side wall of the air pressure plug 21, a convex tooth formed by the positioning tooth 2203 is tightly embedded in the positioning groove of the air pressure plug 21, the positioning tooth 2203 is slidingly penetrated in the side wall of the air pressure cylinder 18 and the storage box 2201, one end of the positioning tooth 2203 away from the air pressure plug 21 is fixedly connected on the outer wall of the moving plate 2202, so that the downwardly moving vertical rod 17 will drive the trigger disc 19 to move synchronously and compress the pressure spring 20, a horizontal force receiving block 2204 is fixedly connected on the upper part of the side wall of the moving plate 2202, the force receiving block 2204 is slidingly penetrated in the outer wall of the air pressure cylinder 18 and the storage box 2201, the force receiving block 2204 is parallelly arranged above the positioning tooth 2203, the length of the force receiving block 2204 is greater than the length of the positioning tooth 2203, and the arc surface of the force receiving block 2204 is on the inner side of the air pressure cylinder 18, so that the force receiving block 2204 can drive the moving plate 2202 to move, the positioning tooth 2203 on the bottom of the moving plate 2202 will release the locking of the air pressure plug 21.

[0048] The outer support 37 is fixedly connected to the outer wall of the loading block 13, and a support ring 3601 is coaxially arranged between the inner side of the outer support 37 and the outer side of the transmission gear ring 35. The transmission gear ring 35 is coaxially fixedly connected to the outer wall of the spray ring 34, and the support ring 3601 is abuttingly arranged on the end face of the spray ring 34, so that the transmission gear ring 35 can drive the spray ring 34 to rotate. A adjusting gear rod 3602 is slidingly and penetratively installed on the side wall of the support ring 3601, and the axis of the adjusting gear rod 3602 is perpendicular to the axis of the transmission gear ring 35. The teeth of the adjusting gear rod 3602 are located on the outer side of the transmission gear ring 35. A pressure receiving block 3603 is coaxially fixedly installed on the end of the adjusting gear rod 3602 away from the transmission gear ring 35, and the pressure receiving block 3603 is arranged towards the inner wall of the outer support 37. Symmetrically distributed side plates 3604 are fixedly installed on both sides of the adjusting gear rod 3602, and the side plates 3604 are slidingly installed on the inner side of the support ring 3601. The outer wall of the side plate 3604 and the inner wall of the support ring 3601 are elastically connected by a spring. Three arc-shaped protrusions are arranged on the inner wall of the outer support 37 at equal angles, and the side of each protrusion is provided with a pressure receiving block 3603. When the pressure receiving block 3603 receives the pressure of the protrusion on the outer support 37, the pressure receiving block 3603 drives the adjusting gear rod 3602 to press against the transmission gear ring 35 to form a transmission structure, so that the support ring 3601 can drive the transmission gear ring 35 and the spray ring 34 to rotate synchronously. The spray ring 34 is coaxially sleeved on the outer wall of the driving rod 24, and one side of the spray ring 34 is rotatably embedded in the outer wall of the loading block 13. The middle part of the spray ring 34 is fixedly connected with the infusion tube 33 away from the one end of the valve body 31. The infusion tube 33 penetrates through the through hole in the loading block 13. The end of the spray ring 34 away from the loading block 13 is provided with spray nozzles arranged at equal angles. The outer wall of the other end of the spray ring 34 is fixedly connected with symmetrically distributed rotating discs 38. The rotating discs 38 are slidingly and abuttingly arranged in the arc-shaped grooves in the loading block 13. Corresponding return springs 39 are fixedly connected between the upper and lower sides of the rotating discs 38 and the inner wall of the loading block 13. The spray ring 34 drives the rotating discs 38 to rotate synchronously, and the return springs 39 connected with the rotating discs 38 are elastically deformed correspondingly.

[0049] Working principle: when using the boiler dust removal desulfurization and denitrification device, first refer to Figures 1-15 The spray frame 4 is connected with the water supply equipment outside. The waste gas generated by the boiler enters the dust removal box 2 through the pipeline, and the dust in the waste gas is first filtered by the filter screen 3. At the same time, the spray frame 4 sprays water flow to filter the dust in the waste gas for the second time. The spray water flow can also assist in cleaning the filter screen 3. The electromagnetic valve at the bottom of the treatment shell 1 opens at regular intervals to discharge sewage. After being treated by the dust removal box 2, the waste gas enters the treatment shell 1.

[0050] Immediately after the above steps, the electric cylinder 11 drives the lifting platform 8 to move, so that the lifting platform 8 reciprocatingly moves along the guide rod 10, the two upper connecting arms 12 connected at the bottom of the lifting platform 8 drive the loading block 13 to move synchronously, the loading block 13 will reciprocatingly move along the guide rail 14, and the spray ring frame 34 arranged on the loading block 13 moves synchronously, in this process, the driving rod 24 arranged at the bottom of the upper connecting arm 12 will synchronously move along the tooth plate 15, since the gear arranged in the middle of the driving rod 24 and the tooth plate 15 form a meshing relationship, at this time, the driving rod 24 will synchronously rotate in the moving process, the rotating driving rod 24 will drive the two transmission discs 25 to synchronously rotate, the transmission disc 25 will drive the tension rod 26 to reciprocatingly move through the ring groove arranged on the disc surface, at this time, the upper end of the tension rod 26 will drive the drainage plug 28 to synchronously move in the extrusion cylinder 27, and the storage bin 30 and the extrusion cylinder 27 are communicated through the one-way valve pipe 29, so that the absorption liquid in the storage bin 30 can continuously flow into the extrusion cylinder 27 in one direction, and the high-pressure absorption liquid in the extrusion cylinder 27 will rush into the butt joint valve body 31 to open the valve core 32, at this time, the absorption liquid in the butt joint valve body 31 will flow into the corresponding spray ring frame 34 through the two liquid conveying pipes 33, and the absorption liquid will be sprayed out through the atomizing nozzle on the spray ring frame 34, and the sprayed absorption liquid is used for desulfurization and denitrification treatment of the waste gas in the treatment shell 1, in the above process, the driving rod 24 will drive the connecting ring 3606 to synchronously rotate, the connecting ring 3606 will drive the blade 3605 and the supporting ring 3601 to synchronously rotate, the blade 3605 will generate airflow to improve the mixing effect of the waste gas and the absorption liquid, and the supporting ring 3601 will drive the adjusting tooth rod 3602 to synchronously rotate, so that the pressure-bearing block 3603 at the end of the adjusting tooth rod 3602 is pressed towards the arc-shaped protrusion on the outer support 37, at this time, the pressure-bearing block 3603 will drive the adjusting tooth rod 3602 to move, the side plate 3604 on the outer wall of the adjusting tooth rod 3602 will compress the spring, and at the same time, the teeth at the end of the adjusting tooth rod 3602 are pressed towards the transmission gear ring 35 to form a transmission structure, at this time, the supporting ring 3601 will drive the transmission gear ring 35 to rotate by a certain angle through the adjusting tooth rod 3602, the transmission gear ring 35 will drive the spray ring frame 34 to synchronously rotate by the same angle, at this time, the spray ring frame 34 will drive the rotating disc 38 to synchronously move to deform the corresponding reset spring 39, when the pressure-bearing block 3603 moves away from the arc-shaped protrusion on the outer support 37, the adjusting tooth rod 3602 will move away from the transmission gear ring 35 to reset, at this time, the reset spring 39 will drive the rotating disc 38 to reversely rotate to reset through the reset action, the rotating disc 38 drives the spray ring frame 34 to synchronously rotate, so that the spray ring frame 34 can continuously reciprocatingly swing;

[0051] In the above process, the lifting platform 8 at the top of the upper connecting arm 12 drives the top rod 9 to move upward, and the moving loading block 13 drives the vertical rod 17 to move synchronously through the lower connecting arm 16, so that the trigger disc 19 installed at the bottom of the vertical rod 17 moves downward in the air pressure cylinder 18, the pressure spring 20 is reset first, and then the air pressure cylinder 18 first compresses the pressure spring 20, when the trigger disc 19 is pressed against the force block 2204, the upward moving top rod 9 starts to push the gravity plug 7 to make the gas in the processing shell 1 be able to be discharged, the force block 2204 moves by force to drive the moving plate 2202 to move synchronously in the storage box 2201 to compress the spring, and at the same time, the moving plate 2202 drives the positioning teeth 2203 to move away from the air pressure plug 21 to be unlocked, at this time, the pressure spring 20 in the compressed state pushes the air pressure plug 21 to move to the bottom of the air pressure cylinder 18 through the reset action, so that the gas in the air pressure cylinder 18 can flow into the processing shell 1 through the gas conveying pipe 23 to accelerate the gas flow in the processing shell 1 to be discharged, and when the air pressure plug 21 is reset upward, the inclined surface at the top of the air pressure plug 21 can push the teeth of the positioning teeth 2203.

[0052] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0053] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0054] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A boiler dust removal, desulfurization, and denitrification device, comprising: The processing shell (1) has a bottom side wall with a fixed connection to the outlet of the top of the dust collector (2). A horizontally arranged filter screen (3) is fixedly connected to the middle of the inner wall of the dust collector (2), and the filter screen (3) is located above the air inlet of the dust collector (2). A nozzle of a spray frame (4) is arranged above the filter screen (3). The water inlet of the spray frame (4) is fixedly installed through the side wall of the dust collector (2). Its characteristic is that it further includes: The upper connecting arms (12) are symmetrically distributed on the upper inner side of the processing shell (1). A lifting platform (8) is fitted into the groove of the inner wall of the processing shell (1). A symmetrically distributed guide rod (10) is slidably installed on one side of the lifting platform (8). The upper and lower ends of the guide rod (10) are vertically fixed to the inner wall of the processing shell (1). A top rod (9) is vertically fixed to the top of the side of the lifting platform (8) away from the guide rod (10). The upper connecting arms (12) are symmetrically distributed below the top rod (9). The upper ends of the two upper connecting arms (12) are rotatably connected to the top of the lifting platform (8). The lower ends of the upper connecting arms (12) are rotatably installed on the corresponding loading block (13). A horizontal guide rail (14) is provided below the upper connecting arms (12). The two ends of the guide rail (14) are fixedly connected to the processing shell (1). On the inner wall of the shell (1), the guide rail (14) is slidably passed through the corresponding loading block (13) at both ends. The bottom convex shaft of the upper connecting arm (12) is rotatably installed with a drive rod (24), and the rod body of the drive rod (24) is rotatably passed through the loading block (13). The drive rod (24) is coaxially fixedly passed through the transmission disk (25). Both ends of the drive rod (24) are fixedly installed with corresponding rotating mechanisms (36). The rotating mechanism (36) includes a support ring (3601). The ring surface of the support ring (3601) is fixedly connected with blades (3605) distributed at equal angles. The end of the blade (3605) away from the support ring (3601) is fixedly installed on the outer wall of the connecting ring (3606). The end of the drive rod (24) is coaxially fixedly connected at the central axis of the connecting ring (3606). The gravity plug (7) and the exhaust pipe (5) are coaxially arranged above the push rod (9); A vertical rod (17) is vertically positioned below the center of the guide rail (14). Symmetrically distributed lower connecting arms (16) are rotatably connected to the mounting platform at the top of the vertical rod (17). The end of the lower connecting arm (16) away from the vertical rod (17) is rotatably mounted at the bottom of the loading block (13). The vertical rod (17) slides through the top of the air cylinder (18), and the air cylinder (18) is fixedly inserted through the bottom of the processing shell (1). A control mechanism (22) is fixedly installed in the middle of the outer wall of the air cylinder (18). The control mechanism (22) includes a storage box (2201). The outer wall of the box (2201) is vertically fixed on the side wall of the air cylinder (18), and a movable plate (2202) is slidably installed on the inner side of the storage box (2201). The side wall of the movable plate (2202) and the inner wall of the storage box (2201) are elastically connected by a spring. The axis of the movable plate (2202) is parallel to the axis of the air cylinder (18). One end of the air supply pipe (23) is fixedly connected to the bottom side wall of the air cylinder (18), and the other end of the air supply pipe (23) is fixedly installed through the processing shell (1). The upper port of the air supply pipe (23) is set upward. The drive rod (24) has corresponding spray ring frames (34) coaxially sleeved on both outer walls, and one side of the spray ring frame (34) is rotatably embedded on the outer wall of the loading block (13).

2. The boiler dust removal, desulfurization, and denitrification device according to claim 1, characterized in that: The top air outlet of the processing shell (1) is fixedly connected to an exhaust pipe (5), and a horizontally arranged horizontal plate (6) is fixedly installed on the upper part of the inner wall of the exhaust pipe (5). A guide post on a gravity plug (7) is slidably installed through the middle of the horizontal plate (6), and the bottom of the gravity plug (7) is fitted and sealed inside the lower port of the exhaust pipe (5).

3. The boiler dust removal, desulfurization, and denitrification device according to claim 1, characterized in that: A trigger disc (19) is coaxially fixedly connected to the lower end face of the vertical rod (17), and the trigger disc (19) is fitted to the inner wall of the air cylinder (18). A pressure spring (20) is fixedly connected between the bottom surface of the trigger disc (19) and the top of the air plug (21). The side wall of the air plug (21) is fitted to the inner wall of the air cylinder (18), and an annular positioning groove is provided on the upper part of the side wall of the air plug (21). The positioning groove of the air plug (21) is fitted with the protruding teeth of the positioning teeth (2203) to form a locking structure. The positioning teeth (2203) slide through the side walls of the air cylinder (18) and the storage box (2201). The end of the positioning teeth (2203) away from the air plug (21) is fixedly connected to the outer wall of the moving plate (2202).

4. The boiler dust removal, desulfurization, and denitrification device according to claim 3, characterized in that: A horizontally arranged force-bearing block (2204) is fixedly connected to the upper side wall of the movable plate (2202), and the force-bearing block (2204) slides through the outer wall of the air cylinder (18) and the storage box (2201). The force-bearing block (2204) is arranged parallel to the positioning tooth (2203) directly above it, and the length of the force-bearing block (2204) is greater than the length of the positioning tooth (2203). The arc-shaped surface of the force-bearing block (2204) is located inside the air cylinder (18).

5. The boiler dust removal, desulfurization, and denitrification device according to claim 1, characterized in that: A toothed plate (15) is fixedly connected to the top center of the guide rail (14). The two axes are parallel. The toothed plate (15) slides through the loading block (13). The gear in the middle of the drive rod (24) is meshed above the teeth of the toothed plate (15) to form a transmission structure. The two sides of the toothed plate (15) are fitted with symmetrically distributed transmission discs (25). The side of the transmission disc (25) away from the toothed plate (15) is fitted into the mounting groove at the bottom of the upper connecting arm (12).

6. The boiler dust removal, desulfurization, and denitrification device according to claim 5, characterized in that: The transmission disc (25) has a wavy annular groove on its surface near the toothed plate (15). The lower end of the tension rod (26) is fitted between the transmission discs (25), and the convex shaft of the lower end of the tension rod (26) is fitted into the corresponding annular groove on the transmission disc (25) to form a transmission structure. The tension rod (26) slides through the upper connecting arm (12), and the upper end of the tension rod (26) slides through the extrusion cylinder (27). The extrusion cylinder (27) is fixedly connected to the outer wall of the upper connecting arm (12). A drain plug (28) is fitted to the top of the inner wall of the extrusion cylinder (27), and the top of the drain plug (28) is fixedly connected to the upper end face of the tension rod (26).

7. A boiler dust removal, desulfurization, and denitrification device according to claim 6, characterized in that: The lower part of the side wall of the extrusion cylinder (27) is fixedly connected to the lower end of a one-way valve pipe (29) for supplying absorbent liquid, and the top of the one-way valve pipe (29) is fixedly connected through the treatment shell (1). The upper end of the one-way valve pipe (29) is fixedly connected to the bottom of the storage tank (30). The storage tank (30) is fixedly installed on the upper part of the outer wall of the treatment shell (1) for storing desulfurization and denitrification absorbent liquid. The bottom surface of the extrusion cylinder (27) is fixedly connected to a docking valve body (31), and a plug with a valve core (32) is attached to the inlet of the docking valve body (31) to play a one-way sealing role. The side of the valve core (32) away from the extrusion cylinder (27) is elastically connected to the inner wall of the docking valve body (31) by a spring. The docking valve body (31) is fixedly connected to symmetrically distributed delivery pipes (33) on both sides.

8. The boiler dust removal, desulfurization, and denitrification device according to claim 1, characterized in that: The middle part of the spray ring frame (34) is fixedly connected to one end of the infusion tube (33) away from the docking valve body (31). The infusion tube (33) passes through the through port on the loading block (13). The side wall of the spray ring frame (34) away from the loading block (13) is provided with nozzles distributed at equal angles. The outer wall of the other end of the spray ring frame (34) is fixedly connected with symmetrically distributed rotating disks (38). The rotating disks (38) are slidably fitted in the arc groove inside the loading block (13). The upper and lower sides of the rotating disks (38) and the inner wall of the loading block (13) are fixedly connected with corresponding return springs (39).

9. A boiler dust removal, desulfurization, and denitrification device according to claim 8, characterized in that: An outer support (37) is fitted to the outer edge of the end face of the spray ring frame (34), and the outer support (37) is fixedly connected to the outer wall of the loading block (13). A support ring (3601) is coaxially provided between the inner side of the outer support (37) and the outer side of the transmission gear ring (35). The transmission gear ring (35) is coaxially fixedly connected to the outer wall of the spray ring frame (34), and the support ring (3601) is fitted to the end face of the spray ring frame (34).

10. A boiler dust removal, desulfurization, and denitrification device according to claim 9, characterized in that: An adjusting rack (3602) is slidably mounted through the side wall of the support ring (3601), and the axis of the adjusting rack (3602) intersects perpendicularly with the axis of the transmission gear ring (35). The teeth of the adjusting rack (3602) are located outside the transmission gear ring (35). A pressure block (3603) is coaxially fixedly mounted on the end of the adjusting rack (3602) away from the transmission gear ring (35), and the pressure block (3603) faces the outer bracket (37). The inner wall of the outer bracket (37) is provided with symmetrically distributed side plates (3604) fixedly installed on both sides of the adjusting toothed rod (3602), and the side plates (3604) are slidably installed on the inner side of the support ring (3601). The outer wall of the side plate (3604) and the inner wall of the support ring (3601) are elastically connected by a spring. The inner wall of the outer bracket (37) is provided with three arc-shaped protrusions distributed at equal angles, and the pressure block (3603) is provided on the side of the protrusion.

Citation Information

Patent Citations

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