Chemical safety feeding device

Abstract

The utility model relates to the technical field of chemical feeding, in particular to a chemical safety feeding device which comprises a feeding box, a feeding channel is formed in the surface of the feeding box, an upper baffle mounting groove and a lower baffle mounting groove are formed in the inner wall of one end of the feeding channel, an upper baffle is movably inserted into the upper baffle mounting groove, and a lower baffle is movably inserted into the lower baffle mounting groove. A lower baffle is movably inserted into the lower baffle mounting groove, an exhaust passage is formed in the inner wall of the other end of the feeding channel, an opening in the other position of the exhaust passage is formed in the bottom end of the feeding box, and an exhaust fan is arranged in the opening formed in the inner wall of the feeding channel; the feeding box has the beneficial effects that the feeding box is mounted on the feeding port of the reaction kettle through the flange at the bottom end of the feeding box, so that gas in the reaction kettle cannot be dissipated to the outside, workers around the reaction kettle are protected, and the feeding process of the reaction kettle for chemical reaction is safer.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical feeding technical field, concretely is a kind of chemical safe feeding device. BACKGROUND

[0002] Chemical engineering is the abbreviation of chemical process, chemical industry and chemical engineering, as long as the technology of new substance is obtained by using chemical method to change the composition, structure or synthesis, belongs to chemical production technology and chemical production process, and its product is called chemical or chemical product, in chemical production, multiple liquid feed is placed in reaction kettle and carries out chemical reaction.

[0003] In the prior art, the method for feeding the reaction kettle usually opens a feeding port on the kettle cover of the reaction kettle, and a cover is installed on the feeding port. When feeding is needed, the cover is opened to add the material from the feeding port into the reaction kettle, and the cover is closed after feeding is completed. This feeding method is simple to operate.

[0004] However, in the prior art, the method for feeding the reaction kettle for chemical reaction, when feeding, the gas in the reaction kettle will escape to the outside of the reaction kettle, and the chemical reaction often generates toxic and harmful gas, which leads to the risk of inhaling toxic and harmful gas for the staff around the reaction kettle. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of chemical safe feeding device to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of chemical safe feeding device, comprising: feeding box, the surface of the feeding box is provided with feeding channel, the inner wall of one end of feeding channel is provided with upper baffle mounting slot and lower baffle mounting slot, the upper baffle mounting slot is movably inserted with upper baffle, the lower baffle mounting slot is movably inserted with lower baffle, the inner wall of the other end of feeding channel is provided with exhaust passage, the other opening of exhaust passage is provided in the bottom end of feeding box, and the opening provided in the inner wall of feeding channel is provided with exhaust fan.

[0007] Preferably, the upper baffle mounting slot and the lower baffle mounting slot are both rectangular slot body structures, and the upper baffle mounting slot and the lower baffle mounting slot are distributed in an upper-lower manner.

[0008] Preferably, the outer wall of the feeding box is provided with an upper pull rod hole and a lower pull rod hole, both the upper pull rod hole and the lower pull rod hole are circular hole structures, the upper pull rod hole is in communication with the upper baffle mounting slot, and the lower pull rod hole is in communication with the lower baffle mounting slot.

[0009] Preferably, the upper pull rod hole is movably inserted with an upper pull rod, one end of the upper pull rod extends into the upper baffle mounting groove and is fixed on the surface of the upper baffle, and the other end of the upper pull rod extends out of the upper pull rod hole.

[0010] Preferably, the lower pull rod hole is movably inserted with a lower pull rod, one end of the lower pull rod extends into the lower baffle mounting groove and is fixed on the surface of the lower baffle, and the other end of the lower pull rod extends out of the lower pull rod hole.

[0011] Preferably, the first spring is fixed between the upper baffle and the inner wall of the upper baffle mounting groove, and the second spring is fixed between the lower baffle and the inner wall of the lower baffle mounting groove.

[0012] Preferably, the inner wall of the upper baffle mounting groove and the inner wall of the lower baffle mounting groove are both provided with a sealing groove, the sealing groove is an annular groove body, and a sealing ring is fixed in the sealing groove.

[0013] Preferably, the surface of the upper baffle and the surface of the lower baffle are both fixed with a sealing gasket, the inner wall of the feeding channel is provided with a guide rail at the position where the upper baffle and the lower baffle are slidably connected, and the sealing gasket is arranged between the guide rail and the upper baffle and the lower baffle.

[0014] Compared with the prior art, the device has the advantages that:

[0015] The chemical safety feeding device disclosed by the utility model, through the flange of the feeding box bottom end installs the feeding box on the feeding port of the reaction kettle, then makes the upper baffle completely retract in the upper baffle mounting groove, after that, the material to be put is put into from the feeding channel, so that the material is placed on the top end of the lower baffle, then make the upper baffle extend out of the upper baffle mounting groove again, make the lower baffle completely retract in the lower baffle mounting groove again, the material falls into the reaction kettle from the feeding port of the reaction kettle under the action of its own gravity, the gas in the reaction kettle is blocked by the upper baffle, finally, make the lower baffle extend out of the lower baffle mounting groove again, the exhaust fan is in the starting state all the time, on the one hand, prevent the gas in the reaction kettle from entering the feeding channel from the exhaust passage, on the other hand, the gas in the feeding channel from the feeding port is transported back to the reaction kettle from the exhaust passage, which makes the gas in the reaction kettle unable to escape to the outside, and protects the staff around the reaction kettle, so that the feeding process of the reaction kettle for chemical reaction is safer. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a sectional structural schematic view of the utility model;

[0018] Figure 3 It is Figure 2 It is an enlarged schematic view of structure in A of the utility model;

[0019] Figure 4 The schematic view of the cross section structure of the upper baffle mounting groove;

[0020] Figure 5 The schematic view of the cross section structure of the lower baffle mounting groove;

[0021] Figure 6 The schematic view of the cross section structure of the lower baffle mounting groove; Figure 5 The enlarged schematic view of the structure at B.

[0022] In the figure: feeding box 1, feeding channel 2, upper baffle mounting groove 3, lower baffle mounting groove 4, upper baffle 5, lower baffle 6, exhaust passage 7, exhaust fan 8, upper pull rod 9, first spring 10, lower pull rod hole 11, lower pull rod 12, second spring 13, sealing groove 14, sealing ring 15, sealing gasket 16, upper pull rod hole 17. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme of the utility model to be clear, complete description, and the advantage is more clear and obvious, the following will combine the figure to carry out further detailed explanation to the utility model embodiment. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the embodiments of the utility model, and not for limiting the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without doing creative work belong to the scope of the protection of the utility model.

[0024] Embodiment one: please refer to Figures 1 to 6 The utility model provides a technical scheme: a chemical safety feeding device, include: feeding box 1, the surface of feeding box 1 is set with feeding channel 2, the inner wall of one end of feeding channel 2 is set with upper baffle mounting groove 3 and lower baffle mounting groove 4, the upper baffle mounting groove 3 is movably inserted with upper baffle 5, the lower baffle mounting groove 4 is movably inserted with lower baffle 6, the inner wall of the other end of feeding channel 2 is set with exhaust passage 7, the other opening of exhaust passage 7 is set in the bottom end 7 of feeding box 1, the opening set on the inner wall of feeding channel 2 is set with exhaust fan 8, the upper baffle mounting groove 3 and lower baffle mounting groove 4 are all rectangular groove structure, and the upper baffle mounting groove 3 and lower baffle mounting groove 4 are distributed in upper and lower.

[0025] In actual use, the feeding box 1 is installed on the feeding port of the reaction kettle through the flange at the bottom end of the feeding box 1, then the upper baffle 5 is completely retracted into the upper baffle mounting groove 3, and then the material to be fed is fed from the feeding channel 2, so that the material is placed on the top end of the lower baffle 6, then the upper baffle 5 is re-extended from the upper baffle mounting groove 3, and then the lower baffle 6 is completely retracted into the lower baffle mounting groove 4, so that the material can fall into the reaction kettle from the feeding port of the reaction kettle under the action of its own gravity, the gas in the reaction kettle is blocked by the upper baffle 5, and finally the lower baffle 6 is re-extended from the lower baffle mounting groove 4, and the exhaust fan 8 is always in an activated state, on the one hand to prevent the gas in the reaction kettle from entering the feeding channel 2 from the exhaust duct 7, and on the other hand to transport the gas entering the feeding channel 2 from the feeding port back to the reaction kettle from the exhaust duct 7, which makes the gas in the reaction kettle unable to escape to the outside, thereby protecting the workers around the reaction kettle and making the feeding process of the reaction kettle for chemical reaction more safe.

[0026] In example two, on the basis of example one, in order to realize the extension and retraction of the upper baffle 5 and the lower baffle 6, upper pull rod holes 17 and lower pull rod holes 11 are formed on the outer wall of the feeding box 1, the upper pull rod holes 17 and the lower pull rod holes 11 are in a circular hole structure, the upper pull rod holes 17 are through the upper baffle mounting groove 3, the lower pull rod holes 11 are through the lower baffle mounting groove 4, an upper pull rod 9 is movably inserted in the upper pull rod hole 17, one end of the upper pull rod 9 extends into the upper baffle mounting groove 3 and is fixed on the surface of the upper baffle 5, the other end of the upper pull rod 9 extends out of the upper pull rod hole 17, a lower pull rod 12 is movably inserted in the lower pull rod hole 11, one end of the lower pull rod 12 extends into the lower baffle mounting groove 4 and is fixed on the surface of the lower baffle 6, the other end of the lower pull rod 12 extends out of the lower pull rod hole 11, a first spring 10 is fixed between the upper baffle 5 and the inner wall of the upper baffle mounting groove 3, and a second spring 13 is fixed between the lower baffle 6 and the inner wall of the lower baffle mounting groove 4.

[0027] When the upper baffle 5 needs to be fully retracted into the upper baffle mounting groove 3, the upper pull rod 9 is pulled out from the upper pull rod hole 17. The upper pull rod 9 drives the upper baffle 5 to move in the same direction, so that the upper baffle 5 is fully retracted into the upper baffle mounting groove 3. At this time, the first spring 10 is compressed. When one end of the upper baffle 5 needs to be extended out of the upper baffle mounting groove 3, simply release the upper pull rod 9. The elastic force of the first spring 10 is converted into the pushing force of the first spring 10 on the upper baffle 5, so that one end of the upper baffle 5 can be extended out of the upper baffle mounting groove 3. When the lower baffle 6 needs to be fully retracted into the lower baffle mounting groove 4, pull the lower lever 12 out of the lower lever hole 11. The lower lever 12 drives the lower baffle 6 to move in the same direction, so that the lower baffle 6 is fully retracted into the lower baffle mounting groove 4. At this time, the second spring 13 is compressed. When one end of the lower baffle 6 needs to extend out of the lower baffle mounting groove 4, simply release the lower lever 12. The elastic force of the second spring 13 is converted into the pushing force of the second spring 13 on the lower baffle 6, so that one end of the lower baffle 6 can extend out of the lower baffle mounting groove 4.

[0028] Example 3: Based on Example 2, in order to achieve enhanced sealing, sealing grooves 14 are provided on the inner walls of the upper baffle mounting groove 3 and the lower baffle mounting groove 4. The sealing groove 14 is an annular groove, and a sealing ring 15 is fixed in the sealing groove 14. Sealing gaskets 16 are fixed on the surfaces of the upper baffle 5 and the lower baffle 6. Guide rails are provided on the inner wall of the feeding channel 2 at the parts that slide with the upper baffle 5 and the lower baffle 6. Sealing gaskets 16 are provided between the guide rails and the upper baffle 5 and the lower baffle 6.

[0029] Sealing grooves 14 are provided on the inner walls of the upper baffle mounting groove 3 and the lower baffle mounting groove 4. Sealing rings 15 are fixed in the sealing grooves 14 to seal the gaps between the upper baffle 5 and the upper baffle mounting groove 3 and between the lower baffle 6 and the lower baffle mounting groove 4. Sealing gaskets 16 are fixed on the surfaces of the upper baffle 5 and the lower baffle 6 to seal the gaps between the upper baffle 5 and the lower baffle 6 and the inner wall of the feeding channel 2. Sealing gaskets 16 are also provided on the guide rail to seal the gaps between the guide rail and the upper baffle 5 and the lower baffle 6, thereby achieving the function of enhanced sealing.

[0030] In actual use, the feeding box 1 is installed on the feeding port of the reaction kettle through the flange at the bottom end of the feeding box 1, then the upper baffle 5 is completely retracted into the upper baffle mounting groove 3, then the material to be fed is fed from the feeding channel 2, so that the material is placed on the top end of the lower baffle 6, then the upper baffle 5 is extended out of the upper baffle mounting groove 3 again, and the lower baffle 6 is completely retracted into the lower baffle mounting groove 4 again, so that the material falls into the reaction kettle from the feeding port of the reaction kettle under the action of its own gravity, the gas in the reaction kettle is blocked by the upper baffle 5, and finally the lower baffle 6 is extended out of the lower baffle mounting groove 4 again, and the exhaust fan 8 is in a starting state at all times, on the one hand, preventing the gas in the reaction kettle from entering the feeding channel 2 from the exhaust passage 7, and on the other hand, conveying the gas in the feeding channel 2 from the exhaust passage 7 back to the reaction kettle, so that the gas in the reaction kettle cannot escape to the outside, thereby protecting the workers around the reaction kettle, and making the feeding process of the reaction kettle for the chemical reaction safer. When the upper baffle 5 needs to be completely retracted into the upper baffle mounting groove 3, the upper pull rod 9 is pulled out of the upper pull rod hole 17, the upper pull rod 9 drives the upper baffle 5 to move in the same direction, so that the upper baffle 5 is completely retracted into the upper baffle mounting groove 3, and at this time, the first spring 10 is compressed, when the one end of the upper baffle 5 needs to be extended out of the upper baffle mounting groove 3, the upper pull rod 9 is only loosened, the elastic force of the first spring 10 is converted into the thrust of the first spring 10 on the upper baffle 5, so that the one end of the upper baffle 5 is extended out of the upper baffle mounting groove 3; when the lower baffle 6 needs to be completely retracted into the lower baffle mounting groove 4, the lower pull rod 12 is pulled out of the lower pull rod hole 11, the lower pull rod 12 drives the lower baffle 6 to move in the same direction, so that the lower baffle 6 is completely retracted into the lower baffle mounting groove 4, and at this time, the second spring 13 is compressed, when the one end of the lower baffle 6 needs to be extended out of the lower baffle mounting groove 4, the lower pull rod 12 is only loosened, the elastic force of the second spring 13 is converted into the thrust of the second spring 13 on the lower baffle 6, so that the one end of the lower baffle 6 is extended out of the lower baffle mounting groove 4; the sealing groove 14 is formed on the inner wall of the upper baffle mounting groove 3 and the lower baffle mounting groove 4, the sealing ring 15 is fixed in the sealing groove 14, so as to seal the gap between the upper baffle 5 and the upper baffle mounting groove 3 and the gap between the lower baffle 6 and the lower baffle mounting groove 4, the sealing gasket 16 is fixed on the surface of the upper baffle 5 and the lower baffle 6, so as to seal the gap between the upper baffle 5 and the lower baffle 6 and the inner wall of the feeding channel 2, and the sealing gasket 16 is arranged on the guide rail, so as to seal the gap between the guide rail and the upper baffle 5 and the lower baffle 6, thereby realizing the function of strengthening sealing.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A chemical safety feeding device, comprising: The feeding box (1) is characterized in that: a feeding channel (2) is provided on the surface of the feeding box (1), an upper baffle mounting groove (3) and a lower baffle mounting groove (4) are provided on the inner wall of one end of the feeding channel (2), an upper baffle (5) is movably inserted into the upper baffle mounting groove (3), a lower baffle (6) is movably inserted into the lower baffle mounting groove (4), an exhaust channel (7) is provided on the inner wall of the other end of the feeding channel (2), another opening of the exhaust channel (7) is opened at the bottom end of the feeding box (1), and an exhaust fan (8) is provided in the opening on the inner wall of the feeding channel (2).

2. The chemical safety feeding device according to claim 1, characterized in that: The upper baffle mounting groove (3) and the lower baffle mounting groove (4) are both rectangular groove structures, and the upper baffle mounting groove (3) and the lower baffle mounting groove (4) are distributed vertically.

3. The chemical safety feeding device according to claim 1, characterized in that: The outer wall of the feeding box (1) is provided with an upper pull rod hole (17) and a lower pull rod hole (11). Both the upper pull rod hole (17) and the lower pull rod hole (11) are circular holes. The upper pull rod hole (17) is connected to the upper baffle mounting groove (3), and the lower pull rod hole (11) is connected to the lower baffle mounting groove (4).

4. A chemical safety feeding device according to claim 3, characterized in that: An upper pull rod (9) is movably inserted into the upper pull rod hole (17). One end of the upper pull rod (9) extends into the upper baffle mounting groove (3) and is fixed on the surface of the upper baffle (5). The other end of the upper pull rod (9) extends out from the upper pull rod hole (17).

5. A chemical safety feeding device according to claim 3, characterized in that: A pull rod (12) is movably inserted into the pull rod hole (11). One end of the pull rod (12) extends into the lower baffle mounting groove (4) and is fixed on the surface of the lower baffle (6). The other end of the pull rod (12) extends out from the pull rod hole (11).

6. A chemical safety feeding device according to claim 1, characterized in that: A first spring (10) is fixed between the upper baffle (5) and the inner wall of the upper baffle mounting groove (3), and a second spring (13) is fixed between the lower baffle (6) and the inner wall of the lower baffle mounting groove (4).

7. A chemical safety feeding device according to claim 1, characterized in that: Sealing grooves (14) are provided on the inner walls of the upper baffle mounting groove (3) and the lower baffle mounting groove (4). The sealing grooves (14) are annular grooves, and sealing rings (15) are fixed in the sealing grooves (14).

8. A chemical safety feeding device according to claim 1, characterized in that: Sealing gaskets (16) are fixed on the surfaces of the upper baffle (5) and the lower baffle (6). Guide rails are provided on the inner wall of the feeding channel (2) where they are slidably connected to the upper baffle (5) and the lower baffle (6). Sealing gaskets (16) are provided between the guide rails and the upper baffle (5) and the lower baffle (6).

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