Desulfurization wastewater drying tower ash discharge device and method

Abstract

The invention relates to the technical field of desulfurization wastewater drying towers, in particular to a desulfurization wastewater drying tower ash discharge device which comprises a drying tower body, an ash discharge conical barrel is mounted at the bottom end of the drying tower body, a dust removal filtering assembly is mounted on the side wall of the ash discharge conical barrel, and a sealing door plate body is hinged to the side wall of one side of the dust removal filtering assembly. A smoke inlet pipe is installed on the side wall of the ash discharge conical barrel, an ash discharge pipe is installed at the bottom end of the ash discharge conical barrel, ash scraping mechanisms are installed on the outer walls of the ash discharge conical barrel, positioning block bodies are installed on the inner walls of the dust removal filtering assemblies, and a filtering net body is arranged in each dust removal filtering assembly. Firstly, the side wall of the conical scraper body is attached to the inner wall of the ash discharge conical barrel, so that the conical scraper body rotates to clean dry ash particles such as calcium sulfite attached to the inner wall of the ash discharge conical barrel, and the situation that the dry ash particles such as calcium sulfite are accumulated to affect the ash discharge effect is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of desulfurization wastewater drying tower, in particular to a desulfurization wastewater drying tower ash discharging device. BACKGROUND

[0002] The desulfurization wastewater drying tower is a device for treating desulfurization wastewater, which realizes zero discharge of wastewater through spray drying technology, utilizes high-temperature flue gas to atomize and rapidly evaporate the wastewater, collects dust and salt, avoids secondary pollution, mixes the atomized desulfurization wastewater with high-temperature flue gas, rapidly evaporates the water through heat exchange, realizes solid-liquid separation, collects the dust generated in the drying process through the dust removal system, reduces air pollution, and completes evaporation and dust collection through the heat air inlet and the dust removal system in the desulfurization wastewater drying tower.

[0003] At present, most of the desulfurization wastewater drying towers on the market generate calcium sulfite and other dry ash particles in the mixing process, which are easy to adhere to the inner wall of the ash discharging device, thereby causing accumulation and affecting the unloading effect of the ash discharging device, and when filtering the ash, the filter screen is easy to be blocked, thereby affecting the filtering effect of the ash, so a desulfurization wastewater drying tower ash discharging device is needed to meet people's use requirements. SUMMARY

[0004] This section aims to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0005] In view of the above or existing problems in the prior art, most of the desulfurization wastewater drying towers on the market generate calcium sulfite and other dry ash particles in the mixing process, which are easy to adhere to the inner wall of the ash discharging device, thereby causing accumulation and affecting the unloading effect of the ash discharging device, and when filtering the ash, the filter screen is easy to be blocked, thereby affecting the filtering effect of the ash, so a desulfurization wastewater drying tower ash discharging device is needed to meet people's use requirements.

[0006] Therefore, the purpose of the present application is to provide a desulfurization wastewater drying tower ash discharging device.

[0007] To solve the above technical problems, the present application provides the following technical solutions: a desulfurization wastewater drying tower ash discharging device, comprising a drying tower main body, a discharge cone barrel is installed at the bottom end of the drying tower main body, a dust removal filter assembly is installed on the side wall of the discharge cone barrel, a sealing door plate main body is hinged on the side wall of one side of the dust removal filter assembly, a smoke inlet pipe is installed on the side wall of the discharge cone barrel, an ash discharge pipe is installed at the bottom end of the discharge cone barrel, a scraping mechanism is installed on the outer wall of the discharge cone barrel, a positioning block main body is installed on the inner wall of the dust removal filter assembly, a filter screen main body is arranged in the dust removal filter assembly, a mounting and dismounting mechanism is installed in the dust removal filter assembly, a heat dissipation and cleaning mechanism is installed in the dust removal filter assembly, and a sealing groove is formed in the side wall of one side of the dust removal filter assembly.

[0008] As a preferred scheme of the desulfurization wastewater drying tower ash discharging device, the mounting and dismounting mechanism comprises a welding plate, the welding plate is fixedly installed at the top end and the bottom end in the dust removal filter assembly, a thread hole main body is formed in the interior of the welding plate, a bolt rod main body is threadedly connected in the interior of the thread hole main body, and one end of the bolt rod main body is rotatably installed with an extrusion plate through a bearing.

[0009] By adopting the above technical scheme, the bolt rod main body is threadedly connected with the thread hole main body, so that the bolt rod main body rotates and slides in the interior of the thread hole main body, and the extrusion plate is driven to slide by the sliding of the bolt rod main body.

[0010] As a preferred scheme of the desulfurization wastewater drying tower ash discharging device, the interior of the welding plate is provided with a first through hole, and a sliding rod is slidably arranged in the interior of the first through hole, and one end of the sliding rod is fixedly connected with the side wall of the extrusion plate.

[0011] By adopting the above technical scheme, the first through hole and the sliding rod are matched with each other, so that the sliding rod can slide in the interior of the first through hole.

[0012] As a preferred scheme of the desulfurization wastewater drying tower ash discharging device, the outer wall of the sliding rod is sleeved with a high-pressure spring main body, and the two ends of the high-pressure spring main body are fixedly connected with the side walls of the welding plate and the extrusion plate.

[0013] By adopting the above technical scheme, the extrusion plate can drive the sliding rod to slide and extrude the high-pressure spring main body to deform when the extrusion plate slides.

[0014] As a kind of preferred scheme of the desulfurization wastewater drying tower ash discharging device of the present application, wherein: the heat dissipation cleaning mechanism includes heat dissipation fan main body, the heat dissipation fan main body is fixedly installed on the inner wall of dust removal filter assembly, the inside of heat dissipation fan main body is installed with rotating rod main body, and one end of rotating rod main body is installed with rectangular plate, the outer wall of rectangular plate is installed with brush main body, and one end of brush main body is attached to the side wall of filter screen main body.

[0015] By adopting the above technical scheme, one end of the brush main body is attached to the side wall of the filter screen main body, so that the brush main body is rotated to clean the large particle impurities adhered to the filter screen main body.

[0016] As a kind of preferred scheme of the desulfurization wastewater drying tower ash discharging device of the present application, wherein; The ash scraping mechanism includes L-shaped support frame, the L-shaped support frame is fixedly installed on the side wall of the ash discharge cone barrel, the side wall of the L-shaped support frame is installed with driving motor, and the output end of the driving motor is installed with driving shaft penetrating the inside of the ash discharge cone barrel, the outer wall of the driving shaft is installed with connecting plate main body, and the side wall of the connecting plate main body is installed with conical scraper main body.

[0017] By adopting the above technical scheme, the driving motor is driven to drive the driving shaft and the conical scraper main body to rotate simultaneously, so that the conical scraper main body is rotated to clean the inner wall of the ash discharge cone barrel.

[0018] As a kind of preferred scheme of the desulfurization wastewater drying tower ash discharging device of the present application, wherein; The inside of the ash discharge pipe is installed with electromagnetic valve main body.

[0019] By adopting the above technical scheme, the electromagnetic valve main body is installed, so that the electromagnetic valve main body is started to open and close the ash discharge pipe.

[0020] As a kind of preferred scheme of the desulfurization wastewater drying tower ash discharging device of the present application, wherein; The side wall of one side of the sealing door plate main body is installed with sealing block, and the sealing block is sealed with the sealing groove.

[0021] By adopting the above technical scheme, the sealing block is sealed with the sealing groove, so that the sealing effect of the sealing door plate main body on the dust removal filter assembly is better.

[0022] The desulfurization wastewater drying tower ash discharging device of the present application has the following beneficial effects:

[0023] The application firstly designs two groups of ash scraping mechanisms, and drives the driving shaft and the connecting plate body to rotate by starting the driving motor, so that the connecting plate body rotates to drive the conical scraper body to rotate, and the side wall of the conical scraper body is attached to the inner wall of the ash discharge cone barrel, so that the conical scraper body rotates to clean the calcium sulfite dry ash slag particles adhered to the inner wall of the ash discharge cone barrel, thereby avoiding the accumulation of calcium sulfite dry ash slag particles affecting the ash discharge effect.

[0024] The application firstly filters the dry ash slag particles through the design of the filter screen body, and cleans the dry ash slag particles adhered to the filter screen body by driving the rotating rod body and the brush body to rotate through the start of the heat dissipation fan body, thereby avoiding the blockage of the filter screen body affecting the filter screen effect, and opening the sealing door plate body, rotating the screw rod body, and screwing the screw rod body and the thread hole body, and cooperating the sliding rod and the first through hole, so that the screw rod body rotates in the inside of the thread hole body and drives the extrusion plate to slide, thereby making the extrusion plate slide and not positioning and fixing the filter screen body, so as to facilitate the operator to disassemble and clean the filter screen body. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0026] Figure 1 It is a kind of desulfurization wastewater drying tower ash discharge device's main view structural schematic diagram;

[0027] Figure 2 It is a kind of desulfurization wastewater drying tower ash discharge device's ash discharge cone barrel sectional view structural schematic diagram;

[0028] Figure 3 It is a kind of desulfurization wastewater drying tower ash discharge device's sealing door plate body opening structure schematic diagram;

[0029] Figure 4 It is a kind of desulfurization wastewater drying tower ash discharge device's dust removal filter assembly internal structure schematic diagram;

[0030] Figure 5 It is a kind of desulfurization wastewater drying tower ash discharge device's welding plate structure schematic diagram;

[0031] Figure 6 It is a kind of desulfurization wastewater drying tower ash discharge device's ash scraping mechanism structure schematic diagram.

[0032] The components represented by the reference numbers in the drawings are listed as follows:

[0033] 1, drying tower main body; 2, ash discharge cone barrel; 201, smoke inlet pipe; 3, dust removal filter assembly; 301, sealing door plate main body; 3011, sealing block; 3012, sealing groove; 302, positioning block main body; 303, filter screen main body; 304, mounting and dismounting mechanism; 3041, welding plate; 3042, wire tooth hole main body; 3043, bolt rod main body; 3044, extrusion plate; 3045, first through hole; 3046, sliding rod; 3047, high-pressure spring main body; 305, heat dissipation cleaning mechanism; 3051, heat dissipation fan main body; 3052, rotating rod main body; 3053, rectangular plate; 3054, brush main body; 4, ash scraping mechanism; 401, L-shaped support frame; 402, driving motor; 403, driving rotating shaft; 404, connecting plate main body; 405, conical scraper main body; 5, ash discharge pipe; 501, electromagnetic valve main body. DETAILED DESCRIPTION

[0034] In order to make the above objectives, features and advantages of the present application more apparent, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0035] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0036] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or selected from other embodiments.

[0037] Embodiment one: refer to Figures 1-6This is the first embodiment of the present invention, which provides an ash discharge device for a desulfurization wastewater drying tower. This device addresses the common problem in most desulfurization wastewater drying towers currently on the market: the mixing of calcium sulfite and other dry ash particles in the ash discharge device easily causes these particles to adhere to the inner wall, resulting in accumulation and affecting the unloading efficiency. Furthermore, during ash filtration, the filter screen is prone to clogging, further impacting the filtration effect. The device includes a drying tower body 1, and the bottom of the drying tower body 1... The ash discharge cone 2 is installed, and a dust removal filter assembly 3 is installed on the side wall of the ash discharge cone 2. A sealing door panel body 301 is hinged to one side wall of the dust removal filter assembly 3. A smoke inlet pipe 201 is installed on the side wall of the ash discharge cone 2. An ash discharge pipe 5 is installed at the bottom of the ash discharge cone 2. A ash scraping mechanism 4 is installed on the outer wall of the ash discharge cone 2. A solenoid valve body 501 is installed inside the ash discharge pipe 5. A sealing block 3011 is installed on one side wall of the sealing door panel body 301, and the sealing block 3011 and the sealing groove 3012 are mutually sealed.

[0038] Combination Figure 1 , Figure 2 and Figure 6 In an embodiment of the present invention, the ash scraping mechanism 4 includes an L-shaped support frame 401, which is fixedly installed on the side wall of the ash discharge cone 2. A drive motor 402 is installed on the side wall of the L-shaped support frame 401, and a drive shaft 403 penetrating the interior of the ash discharge cone 2 is installed at the output end of the drive motor 402. A connecting plate body 404 is installed on the outer wall of the drive shaft 403, and a conical scraper body 405 is installed on the side wall of the connecting plate body 404. The drive motor 402 drives the drive shaft 403 and the conical scraper body 405 to rotate simultaneously, thereby causing the conical scraper body 405 to rotate to clean the inner wall of the ash discharge cone 2.

[0039] The specific working principle is as follows: when it is necessary to clean the dry ash particles such as calcium sulfite adhering to the inner wall of the ash discharge cone 2, the design of two sets of ash scraping mechanisms 4 is first used. The drive motor 402 is started to drive the drive shaft 403 and the connecting plate body 404 to rotate. The rotation of the connecting plate body 404 drives the conical scraper body 405 to rotate at the same time. The side wall of the conical scraper body 405 is in contact with the inner wall of the ash discharge cone 2, so that the conical scraper body 405 rotates to clean the dry ash particles such as calcium sulfite adhering to the inner wall of the ash discharge cone 2, thereby avoiding the accumulation of dry ash particles such as calcium sulfite that affect the ash discharge effect.

[0040] Example 2: Refer to Figures 1-6For the first embodiment of the present application, the embodiment provides a desulfurization wastewater drying tower ash outlet device, which can realize the desulfurization wastewater drying tower on the market at present, and the mixed calcium sulfite and other dry ash particles are generated, so that the calcium sulfite and other dry ash particles are easily adhered to the inner wall of the ash outlet device, thereby causing accumulation, affecting the discharge effect of the ash outlet device, and when filtering the ash, the filter screen is easily blocked, thereby affecting the filtering effect of the ash. The inner wall of the dust removal and filtration assembly 3 is provided with a positioning block body 302, the dust removal and filtration assembly 3 is provided with a filter screen body 303 inside, the dust removal and filtration assembly 3 is provided with an installation and dismounting mechanism 304 inside, the dust removal and filtration assembly 3 is provided with a heat dissipation and cleaning mechanism 305 inside, and the side wall of the dust removal and filtration assembly 3 is provided with a sealing groove 3012.

[0041] In combination with Figure 3 , Figure 4 and Figure 5 , in the embodiment of the present application, the installation and dismounting mechanism 304 comprises a welding plate 3041 fixedly installed at the top end and the bottom end inside the dust removal and filtration assembly 3, a thread hole body 3042 is formed in the inside of the welding plate 3041, a bolt rod body 3043 is threadedly connected to the inside of the thread hole body 3042, one end of the bolt rod body 3043 is rotatably installed with an extrusion plate 3044 through a bearing, first through holes 3045 are formed in the inside of the welding plate 3041, a sliding rod 3046 is slidably arranged in the inside of the first through holes 3045, one end of the sliding rod 3046 is fixedly connected with the side wall of the extrusion plate 3044, a high-pressure spring body 3047 is sleeved on the outer wall of the sliding rod 3046, and the two ends of the high-pressure spring body 3047 are fixedly connected with the side walls of the welding plate 3041 and the extrusion plate 3044 respectively. Through the cooperation of the first through hole 3045 and the sliding rod 3046, the sliding rod 3046 can slide in the first through hole 3045, and the extrusion plate 3044 can drive the sliding rod 3046 to slide and extrude the high-pressure spring body 3047 to deform at the same time.

[0042] In combination with Figure 3 , Figure 4 and Figure 5In the embodiment of the present application, the heat dissipation cleaning mechanism 305 comprises a heat dissipation fan body 3051 fixedly installed on the inner wall of the dust removal filter assembly 3, a rotating rod body 3052 installed inside the heat dissipation fan body 3051, a rectangular plate 3053 installed at one end of the rotating rod body 3052, and a brush body 3054 installed on the outer wall of the rectangular plate 3053, with one end of the brush body 3054 abutting the side wall of the filter screen body 303, so that the brush body 3054 rotates to clean the large particle impurities adhered to the filter screen body 303.

[0043] Specifically, when the dry ash particles need to be filtered, the dry ash particles are first filtered through the design of the filter screen body 303, and at the same time, the heat dissipation fan body 3051 is started to drive the rotating rod body 3052 to rotate and drive the brush body 3054 to rotate to clean the dry ash particles adhered to the filter screen body 303, thereby avoiding the blockage of the filter screen body 303 and affecting the filtering effect of the filter screen, and at the same time, the sealing door plate body 301 is opened, the screw rod body 3043 is rotated, and the screw rod body 3043 is screwed with the thread hole body 3042, the sliding rod 3046 is matched with the first through hole 3045, the screw rod body 3043 is rotated and slid in the thread hole body 3042, and the pressing plate 3044 is slid at the same time, so that the pressing plate 3044 is not positioned and fixed on the filter screen body 303, thereby facilitating the operator to disassemble and clean the filter screen body 303.

[0044] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An ash discharge device for a desulfurization wastewater drying tower, characterized in that: include, The drying tower body (1) has an ash discharge cone (2) installed at the bottom end of the drying tower body (1), and a dust removal filter assembly (3) is installed on the side wall of the ash discharge cone (2). A sealing door panel body (301) is hinged to one side wall of the dust removal filter assembly (3). A smoke inlet pipe (201) is installed on the side wall of the ash discharge cone (2). An ash discharge pipe (5) is installed at the bottom end of the ash discharge cone (2). A ash scraping mechanism (4) is installed on the outer wall of the ash discharge cone (2). A positioning block body (302) is installed on the inner wall of the dust removal filter assembly (3). A filter screen body (303) is installed inside the dust removal filter assembly (3). An installation and disassembly mechanism (304) is installed inside the dust removal filter assembly (3). A heat dissipation cleaning mechanism (305) is installed inside the dust removal filter assembly (3). A sealing groove (3012) is opened on one side wall of the dust removal filter assembly (3).

2. The ash discharge device for a desulfurization wastewater drying tower as described in claim 1, characterized in that: The installation and disassembly mechanism (304) includes a welding plate (3041), which is fixedly installed at the top and bottom of the dust removal filter assembly (3). The welding plate (3041) has a threaded hole body (3042) inside, and a bolt rod body (3043) is threaded inside the threaded hole body (3042). One end of the bolt rod body (3043) is rotatably mounted with a pressing plate (3044) through a bearing.

3. The ash discharge device for a desulfurization wastewater drying tower as described in claim 2, characterized in that: Each of the welding plates (3041) has a first through hole (3045) inside, and a sliding rod (3046) is slidably disposed inside the first through hole (3045). One end of the sliding rod (3046) is fixedly connected to the side wall of the extrusion plate (3044).

4. The ash discharge device for a desulfurization wastewater drying tower as described in claim 3, characterized in that: The outer wall of the sliding rod (3046) is fitted with a high-pressure spring body (3047), and the two ends of the high-pressure spring body (3047) are fixedly connected to the side walls of the welding plate (3041) and the extrusion plate (3044), respectively.

5. The ash discharge device for a desulfurization wastewater drying tower as described in claim 1, characterized in that: The heat dissipation cleaning mechanism (305) includes a heat dissipation fan body (3051), which is fixedly installed on the inner wall of the dust removal filter assembly (3). A rotating rod body (3052) is installed inside the heat dissipation fan body (3051), and a rectangular plate (3053) is installed at one end of the rotating rod body (3052). A brush body (3054) is installed on the outer wall of the rectangular plate (3053), and one end of the brush body (3054) is attached to the side wall of the filter body (303).

6. The ash discharge device for a desulfurization wastewater drying tower as described in claim 1, characterized in that: The ash scraping mechanism (4) includes an L-shaped support frame (401), which is fixedly installed on the side wall of the ash discharge cone (2). A drive motor (402) is installed on the side wall of the L-shaped support frame (401), and a drive shaft (403) that penetrates the interior of the ash discharge cone (2) is installed at the output end of the drive motor (402). A connecting plate body (404) is installed on the outer wall of the drive shaft (403), and a conical scraper body (405) is installed on the side wall of the connecting plate body (404).

7. The ash discharge device for a desulfurization wastewater drying tower as described in claim 1, characterized in that: The interior of each ash discharge pipe (5) is equipped with a solenoid valve body (501).

8. The ash discharge device for a desulfurization wastewater drying tower as described in claim 1, characterized in that: A sealing block (3011) is installed on one side wall of the main body (301) of the sealing door panel, and the sealing block (3011) and the sealing groove (3012) are mutually sealed.

9. A method for removing ash from a desulfurization wastewater drying tower, characterized in that, Using the device described in any one of claims 1-8, when it is necessary to clean the dry ash particles such as calcium sulfite adhering to the inner wall of the ash discharge cone 2, firstly, through the design of two sets of ash scraping mechanisms, and by starting the drive motor to drive the drive shaft and the main body of the connecting plate to rotate, the main body of the connecting plate rotates, which in turn drives the main body of the conical scraper to rotate simultaneously. Furthermore, by having the side wall of the main body of the conical scraper fit against the inner wall of the ash discharge cone, the main body of the conical scraper rotates to clean the dry ash particles such as calcium sulfite adhering to the inner wall of the ash discharge cone, thereby avoiding the accumulation of dry ash particles such as calcium sulfite that affects the ash discharge effect.

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