Desulfurized stone powder screening machine with protection function

Abstract

The utility model relates to the technical field of desulfurized stone powder screening protection, and discloses a desulfurized stone powder screening machine with a protection function, which comprises a base, the top of the base is fixedly connected with a screening mechanism, and the surface of the screening mechanism is fixedly connected with a protection mechanism; and the protection mechanism comprises an L-shaped seat, the L-shaped seat is arranged at the top of the base, a first motor is fixedly connected to the surface of the L-shaped seat, a full-gear toothed bar is fixedly connected to one end of the back face of the first motor, a telescopic rod is fixedly connected to the surface of the full-gear toothed bar, an F-shaped strip is hinged to the top of the telescopic rod, and an I-shaped strip is fixedly connected to one end of the F-shaped strip. According to the desulfurized stone powder screening machine with the protection function, by arranging the protection mechanism, when the protection plate is driven to move, the top of the screening box is closed, then protection operation on the interior of the screening box is conducted, the phenomenon of dust diffusion during screening is avoided, and the safety of operators is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to desulfurization stone powder screening protection technical field, concretely is a kind of desulfurization stone powder screening machine with protection function. BACKGROUND

[0002] Desulfurization stone powder refers to a kind of material for the SO2 removal treatment in waste gas of coal-fired power plant, mainly by limestone or gypsum etc. raw material is made into powder, in desulfurization system, when waste gas passes through stone powder layer, SO2 in waste gas and CaCO3 or Ca (OH) 2 etc. in stone powder react, generate CaSO3 or CaSO4 precipitate, to achieve the effect of desulfurization, desulfurization stone powder is widely used in the field such as thermal power plant, steel plant, chemical plant etc. of burning sulfur-containing gas such as coal-fired fuel, in these industries, combustion process of fuel is easy to produce sulfur dioxide and other pollutants, use desulfurization stone powder can effectively reduce the emission of these pollutants, to play the role of protecting environment.

[0003] In addition, when desulfurization stone powder is produced, since the fineness of desulfurization stone powder has important influence on its use effect, therefore needs to be screened, by screening, the impurities generated in the process of dampening and caking or bag opening can be removed, the purity and uniformity of stone powder are ensured, thereby the desulfurization efficiency and use effect thereof are improved, and the existing equipment can generate corresponding dust when screening, which influences the safety of operator, therefore a desulfurization stone powder screening machine with protection function needs to be designed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of desulfurization stone powder screening machine with protection function to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of desulfurization stone powder screening machine with protection function, including base, the base top is fixedly connected with screening mechanism, the surface of screening mechanism is fixedly connected with protection mechanism;

[0006] The protection mechanism includes L-shaped seat, the L-shaped seat is arranged on the top of base, the surface of L-shaped seat is fixedly connected with first motor, the back surface of first motor is fixedly connected with full gear rack at one end, the surface of full gear rack is fixedly connected with telescopic link, the top of telescopic link is hinged with F-shaped strip, the one end of F-shaped strip is fixedly connected with work-shaped strip, the work-shaped strip has four, the outer side of adjacent two work-shaped strips is fixedly connected with first spring at both ends respectively, the surface of work-shaped strip is slidably connected with sliding seat, the inner side of work-shaped strip is fixedly connected with protection plate.

[0007] Preferably, the L-shaped seat is internally provided with a circular hole, and the surface of the full gear rack is rotatably connected with the inside of the circular hole, so as to facilitate the movement of the full gear rack in the circular hole.

[0008] Preferably, the sliding slot is arranged in the sliding seat, the surface of the I-shaped strip is slidably connected with the sliding slot, and one end of the first spring is fixedly connected with the inner side of the sliding seat.

[0009] Preferably, the screening mechanism comprises a screening box, the screening box is fixedly connected to the top of the base, one end of the back of the L-shaped seat is fixedly connected with the front of the screening box, the bottom of the sliding seat is fixedly connected with the top of the screening box, the front of the L-shaped plate is fixedly connected with the second motor, the back of the second motor is fixedly connected with the half gear rack, the upper surface of the half gear rack is meshingly connected with the rack, the back of the rack is fixedly connected with the T-shaped support strip, the T-shaped support strip has two, the screen plate is fixedly connected between the adjacent two T-shaped support strips, the left and right sides of the screen plate are respectively fixedly connected with the vertical strips, the side of the vertical strip is fixedly connected with the T-shaped rod, one side of the T-shaped rod is fixedly connected with the second spring, and one end of the second spring is fixedly connected with the top end of the side of the screening box.

[0010] Preferably, the screening box is provided with through holes on the left and right sides, and the surface of the T-shaped rod penetrates through the through holes arranged on the left and right sides of the screening box, so that the T-shaped rod can move in the through holes.

[0011] Preferably, the screening box is provided with through holes on the left and right sides, and the surface of the T-shaped rod penetrates through the through holes arranged on the left and right sides of the screening box, so that the T-shaped rod can move in the through holes.

[0012] Preferably, the L-shaped plate is provided with a through hole in the inside, and the surface of the half gear rack penetrates through the through hole arranged in the inside of the L-shaped plate, so that the half gear rack can move in the through hole.

[0013] Compared with the prior art, the desulfurized stone powder screening machine with the protection function has the following beneficial effects:

[0014] 1. The desulfurized stone powder screening machine with the protection function is provided with a protection mechanism, the first motor drives the full gear rack to rotate, drives the telescopic rod to rotate, drives the F-shaped strip and the I-shaped strip to slide in the sliding seat under the limiting of the first spring, and drives the protection plate to close the top of the screening box when the protection plate moves, thereby protecting the inside of the screening box, avoiding dust diffusion during screening, and effectively ensuring the safety of the operator.

[0015] 2. The desulfurized stone powder screening machine with a protection function, through the screening mechanism, the rack and the T-shaped support bar are moved, thereby driving the screen plate to move, driving the T-shaped rod to move in the screening box, when the half gear tooth bar is rotated to be not engaged with the rack, the screen plate is driven to reciprocate under the elastic action of the second spring, so that in this continuous reciprocating motion, the screening operation of the desulfurized stone powder is carried out by the screen plate, and thereby finer desulfurized stone powder is obtained. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art:

[0017] Figure 1 It is a whole structure perspective view of the present application;

[0018] Figure 2 It is a protection mechanism perspective split sectional view of the present application;

[0019] Figure 3 It is a protection mechanism part perspective split view of the present application;

[0020] Figure 4 It is a screening mechanism perspective view of the present application;

[0021] Figure 5 It is a screening mechanism part perspective split view 1 of the present application;

[0022] Figure 6 It is a screening mechanism part perspective split view 2 of the present application;

[0023] Figure 7 It is a screening box perspective sectional view of the present application.

[0024] In the figure: 1, base; 2, protection mechanism; 21, L-shaped seat; 22, first motor; 23, telescopic rod; 24, full gear tooth bar; 25, F-shaped strip; 26, H-shaped strip; 27, sliding seat; 28, protection plate; 29, first spring; 3, screening mechanism; 31, screening box; 32, L-shaped plate; 33, second motor; 34, half gear tooth bar; 35, rack; 36, T-shaped support bar; 37, vertical bar; 38, screen plate; 39, T-shaped rod; 391, second spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described 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 of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0026] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0027] The present application provides the following technical solutions:

[0028] Embodiment one

[0029] In combination Figures 2 to 7 A desulfurized stone powder screening machine with a protection function, comprising a base 1, a screening mechanism 3 is fixedly connected to the top of the base 1, and a protection mechanism 2 is fixedly connected to the surface of the screening mechanism 3.

[0030] The protection mechanism 2 comprises an L-shaped seat 21, the L-shaped seat 21 is arranged on the top of the base 1, a first motor 22 is fixedly connected to the surface of the L-shaped seat 21, a full gear rack 24 is fixedly connected to the surface of the first motor 22, a telescopic rod 23 is fixedly connected to the surface of the full gear rack 24, an F-shaped strip 25 is hingedly connected to the top of the telescopic rod 23, a I-shaped strip 26 is fixedly connected to one end of the F-shaped strip 25, there are four I-shaped strips 26, first springs 29 are fixedly connected to the outer sides of the two ends of adjacent two I-shaped strips 26, respectively, a sliding seat 27 is slidingly connected to the surface of the I-shaped strip 26, a protection plate 28 is fixedly connected to the inner side of the I-shaped strip 26, a circular hole is formed in the L-shaped seat 21, and the surface of the full gear rack 24 is rotationally connected with the inside of the circular hole.

[0031] Further, the sliding seat 27 is internally provided with a sliding groove, the surface of the I-shaped strip 26 is in sliding connection with the interior of the sliding groove, one end of the first spring 29 is fixedly connected with the interior of one side of the sliding seat 27, when the full gear rack 24 is driven to rotate by the first motor 22, the telescopic rod 23 is driven to rotate and the F-shaped strip 25 and the I-shaped strip 26 are driven to slide in the sliding seat 27 under the limiting of the first spring 29, so that the protective plate 28 is driven to move and close the top of the screening box 31, thereby achieving the protection of the interior of the screening box 31 and avoiding the phenomenon of dust diffusion during screening, effectively ensuring the safety of the operator.

[0032] Embodiment two

[0033] Reference Figures 1-7 On the basis of embodiment one, the screening mechanism 3 further comprises a screening box 31, the screening box 31 is fixedly connected to the top of the base 1, one end of the back of the L-shaped seat 21 is fixedly connected to the front of the screening box 31, the bottom of the sliding seat 27 is fixedly connected to the top of the screening box 31, the L-shaped plate 32 is fixedly connected to the bottom of the front of the screening box 31, the second motor 33 is fixedly connected to the front of the L-shaped plate 32, the half gear rack 34 is fixedly connected to the back of the second motor 33, the rack 35 is meshingly connected to the upper surface of the half gear rack 34, the T-shaped support strip 36 is fixedly connected to the back of the rack 35, there are two T-shaped support strips 36, the screen plate 38 is fixedly connected between the two adjacent T-shaped support strips 36, the vertical strips 37 are respectively fixedly connected to the left and right sides of the screen plate 38, the T-shaped rods 39 are fixedly connected to the side surfaces of the vertical strips 37, the second springs 391 are fixedly connected to one side of the T-shaped rods 39, one end of the second springs 391 is fixedly connected to the top of the side surface of the screening box 31, the through holes are respectively formed in the left and right sides of the screening box 31, and the surfaces of the T-shaped rods 39 penetrate through the through holes respectively formed in the left and right sides of the screening box 31.

[0034] Further, the rectangular grooves are respectively formed in the left and right sides of the screening box 31, the surfaces of the vertical strips 37 are in sliding connection with the interiors of the rectangular grooves, the perforations are formed in the interior of the L-shaped plate 32, the surface of the half gear rack 34 penetrates through the perforations formed in the interior of the L-shaped plate 32, the rack 35 and the T-shaped support strip 36 move, thereby driving the screen plate 38 to move, driving the T-shaped rods 39 to move in the interior of the screening box 31, when the half gear rack 34 is rotated to be not meshed with the rack 35, the screen plate 38 is driven to reciprocate under the elastic action of the second spring 391, thereby achieving the screening operation of the desulfurized stone powder by the screen plate 38 in this continuous reciprocating motion, and further obtaining finer desulfurized stone powder.

[0035] In actual operation, when the device is used, the desulfurization stone powder to be screened is first put into the top of the screening box 31, then the second motor 33 is started to drive the half gear rack 34 to rotate, the meshing part of the half gear rack 34 and the rack 35 drives the rack 35 and the T-shaped support bar 36 to move, and then drives the screen plate 38 to move, and the T-shaped rod 39 moves in the screening box 31, when the half gear rack 34 rotates to not mesh with the rack 35, the screen plate 38 is driven to reciprocate under the elastic action of the second spring 391, so that the screen plate 38 is used for screening the desulfurization stone powder in the continuous reciprocating motion, and then finer desulfurization stone powder is obtained.

[0036] In addition, dust is inevitably generated during screening, therefore, in order to protect the surrounding operators, the protective plate 28 is needed for protection and isolation, in use, the first motor 22 drives the full gear rack 24 to rotate, drives the telescopic rod 23 to rotate and drives the F-shaped bar 25 and the I-shaped bar 26 to slide in the slide 27 under the limiting of the first spring 29, so as to drive the protective plate 28 to move, close the top of the screening box 31, and then protect the inside of the screening box 31, avoid the phenomenon of dust diffusion during screening, and effectively ensure the safety of the operators.

[0037] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or action from another, and do not necessarily require or imply that these entities or actions have any such actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a..." does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A desulfurized stone powder screening machine with a protection function, comprising a base (1), characterized in that: The bottom (1) top fixedly connected with screening mechanism (3), the surface of the screening mechanism (3) is fixedly connected with the protection mechanism (2); The protection mechanism (2) includes L-shaped seat (21), the L-shaped seat (21) is arranged on the top of the base (1), the surface of the L-shaped seat (21) is fixedly connected with the first motor (22), the back of the first motor (22) is fixedly connected with the full gear rack (24), the surface of the full gear rack (24) is fixedly connected with the telescopic rod (23), the top of the telescopic rod (23) is hingedly connected with the F-shaped strip (25), one end of the F-shaped strip (25) is fixedly connected with the I-shaped strip (26), the I-shaped strip (26) has four, the outer sides of two adjacent I-shaped strips (26) are fixedly connected with the first spring (29), the surface of the I-shaped strip (26) is slidably connected with the sliding seat (27), and the inner side of the I-shaped strip (26) is fixedly connected with the protection plate (28).

2. The desulfurated stone powder screening machine with protection function according to claim 1, characterized in that: The L-shaped seat (21) is internally provided with a circular hole, and the surface of the full gear rack (24) is rotatably connected with the inside of the circular hole.

3. The desulfurated stone powder screening machine with protection function according to claim 1, characterized in that: The sliding seat (27) is internally provided with a sliding groove, and the surface of the I-shaped strip (26) is slidably connected with the inside of the sliding groove, and one end of the first spring (29) is fixedly connected with the inside of one side of the sliding seat (27).

4. The desulfurated stone powder screening machine with protection function according to claim 1, characterized in that: The screening mechanism (3) includes a screening box (31), the screening box (31) is fixedly connected to the top of the base (1), one end of the back of the L-shaped seat (21) is fixedly connected with the front of the screening box (31), the bottom of the sliding seat (27) is fixedly connected with the top of the screening box (31), the bottom end of the front of the screening box (31) is fixedly connected with the L-shaped plate (32), the front of the L-shaped plate (32) is fixedly connected with the second motor (33), the back of the second motor (33) is fixedly connected with the half gear rack (34), the upper surface of the half gear rack (34) is meshingly connected with the rack (35), the back of the rack (35) is fixedly connected with the T-shaped support strip (36), the T-shaped support strip (36) has two, and the adjacent two T-shaped support strips (36) are fixedly connected with the screen plate (38), the left and right sides of the screen plate (38) are fixedly connected with the vertical strip (37), the side of the vertical strip (37) is fixedly connected with the T-shaped rod (39), one side of the T-shaped rod (39) is fixedly connected with the second spring (391), and one end of the second spring (391) is fixedly connected with the top end of the side of the screening box (31).

5. The desulfurated stone powder screening machine with protection function according to claim 4, characterized in that: The screening box (31) is provided with a through hole on the left and right sides, and the surface of the T-shaped rod (39) penetrates the through hole provided on the left and right sides of the screening box (31).

6. The desulfurated stone powder screening machine with protection function according to claim 4, characterized in that: The left and right sides of the screening box (31) are respectively provided with a rectangular groove, and the surface of the vertical strip (37) is slidably connected with the inside of the rectangular groove.

7. The desulfurated stone powder screening machine with protection function according to claim 4, characterized in that: The L-shaped plate (32) is internally provided with a perforation, and the surface of the half gear rack (34) penetrates the perforation internally provided in the L-shaped plate (32).

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