CN113289566B

CN113289566B - Self-suction reaction kettle

Info

Publication number: CN113289566B
Application number: CN202110689637.6A
Authority: CN
Inventors: 范斌; 龚军英
Original assignee: Zhejiang Liaoxiang New Material Technology Co ltd
Current assignee: Zhejiang Liaoxiang New Material Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-03-08
Anticipated expiration: 2041-06-22
Also published as: CN113289566A

Abstract

The invention discloses a self-suction type reaction kettle which comprises a kettle body, wherein a stirring paddle driven by a motor is arranged in the kettle body, a plurality of crankshaft structures are arranged on the stirring paddle, piston sleeves with adjustable calibers are arranged on one sides of the crankshaft structures in a one-to-one correspondence mode, pistons with adjustable outer diameters are movably arranged in the piston sleeves, a connecting rod is arranged between each crankshaft structure and each piston, two ends of each connecting rod are respectively connected with the corresponding crankshaft structure and the corresponding piston in a rotating mode, a liquid inlet and a liquid outlet are arranged at the bottom of each piston sleeve, one-way valves matched with the flow directions of the liquid inlets and the liquid outlets are arranged on the liquid inlets and the liquid outlets, spray heads are connected with the liquid outlets in a one-to-one correspondence mode through pipelines, venturi tubes are arranged at liquid inlet ends of the spray heads, liquid suction ports of the venturi tubes are all connected with feed channels, and the feed channels are all provided with the one-way valves matched with the flow directions of the venturi tubes. The reaction kettle can prevent the materials at the bottom of the reaction kettle from sinking and layering, and can automatically absorb the reaction materials in proportion.

Description

Self-suction reaction kettle

Technical Field

The invention belongs to the technical field of chemical equipment, and particularly relates to a self-suction reaction kettle.

Background

The reation kettle is the equipment commonly used for chemical product production, and among the prior art, reation kettle generally includes the cauldron body, by motor drive's stirring rake and be used for heating the internal material of cauldron and press from both sides the cover, is equipped with feed inlet and discharge gate on the cauldron body, generally goes into the material directly by the feed inlet pump with the pump when the feeding, then mixes through the stirring rake stirring and react, but only make the required time of reaction material misce bene longer with the stirring. Particularly, when some reactions are carried out, different products are produced when the proportion of the added materials is different, so that the proportion of the reaction materials in the kettle body is properly kept at a proper level by controlling the adding speed of each material when the reaction materials are added.

A certain distance is reserved between the general stirring paddle and the bottom of the kettle body, the stirring paddle drives the reaction materials at the bottom of the kettle body to move by stirring the reaction materials at the periphery of the stirring paddle, so that the aim of uniform mixing is fulfilled, but the reaction materials with high density are easy to sink due to different densities of the reaction materials, so that the stirring is difficult to turn up the materials with high density, and the reaction efficiency is low; and when the total amount of reaction materials is less, the stirring paddle can not directly contact the reaction materials, the reaction materials at the bottom of the kettle body can not be driven to move by stirring the reaction materials at the periphery of the stirring paddle, the stirring effect can not be achieved, and the reaction speed can be influenced due to the fact that each reaction material is settled and layered.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a self-suction reaction kettle, which can suck reaction materials at the bottom by rotating a stirring paddle, prevent the materials at the bottom of the reaction kettle from sinking and layering, can realize the aim of uniform mixing under the condition of less reaction materials, can automatically suck the reaction materials in proportion by rotating the stirring paddle, and prevent other products from being generated due to different proportions when the reaction materials are added.

In order to solve the technical problem, the invention is solved by the following technical scheme: a self-suction reaction kettle comprises a kettle body, wherein a stirring paddle driven by a motor is arranged in the kettle body, a plurality of crankshaft structures are arranged on the stirring paddle, piston sleeves with adjustable calibers are arranged on one side of each crankshaft structure in a one-to-one correspondence mode, pistons with adjustable outer diameters are movably arranged in the piston sleeves, a connecting rod is arranged between each crankshaft structure and each piston, two ends of each connecting rod are respectively connected with the crankshaft structures and the pistons in a rotating mode, a liquid inlet and a liquid outlet are arranged at the bottom of each piston sleeve, check valves matched with the flow directions of the liquid inlets and the liquid outlets are arranged on the liquid inlets and the liquid outlets, the liquid inlets are connected with the bottom of the kettle body through pipelines, a plurality of liquid outlets are connected with spray heads in a one-to-one correspondence mode through pipelines, venturi tubes are arranged at liquid inlet ends of the spray heads, and liquid suction ports of the venturi tubes are all connected with feed channels, and the plurality of feeding channels are provided with one-way valves matched with the flow directions of the feeding channels. When the reaction kettle operates, the piston can be driven to move back and forth by the rotation of the stirring paddle, so that reaction materials are sucked from the bottom of the kettle body and are dispersedly sprayed out of the spray head, and the materials at the bottom of the reaction kettle are prevented from sinking and layering; when reaction material process venturi, absorb the material that will add because of the venturi effect is automatic, make the flow in the pipeline that the liquid outlet of each piston sleeve is connected different through the external diameter of the bore of adjusting each piston sleeve and piston, and then the inspiratory reaction material's of control venturi's imbibition mouth volume, consequently can reach the purpose of quick homogeneous mixing, again can be automatic proportional addition reaction material, prevent to produce other resultants because of the proportion difference when reaction material adds.

In the above technical scheme, preferably, piston sleeves are correspondingly arranged on both sides of the crankshaft structure one by one, the pistons in the two opposite piston sleeves are connected with the same crankshaft structure, and the liquid outlets of the two opposite piston sleeves are connected with the same spray head through a pipeline. By adopting the structure, when the reaction materials are absorbed in the piston sleeve on one side, the reaction materials are necessarily extruded in the piston sleeve on the opposite side, so that the spray head can continuously spray, and the mixing efficiency is improved.

In the above technical solution, preferably, the injection directions of the plurality of injection heads are opposite and/or cross. Adopt this structure to make the interior spun reaction material droplet of shower nozzle can collide the fusion, further promote mixing efficiency.

In the above technical solution, preferably, the piston sleeve includes a guide housing, the guide housing is slidably provided with a first movable plate, the first movable plate and the guide shell slide in a matching way through a sliding chute and a sliding block, a cavity with one open end is enclosed between the first movable plate and the guide shell, the cavity is internally provided with a piston capable of sliding along the depth direction of the cavity, the piston comprises a plurality of mutually overlapped second movable plates, the second movable plates are adjacent to each other and slide through the matching of a sliding groove and a sliding block, the second movable plates are arranged on two sides and slide through the matching of the sliding groove and the sliding block, the other second movable plate slides through the matching of the sliding groove and the sliding block, the guide shell slides through the matching of the sliding groove and the sliding block, the second movable plates are arranged on two sides, a first linear driving device is arranged between the second movable plates, and the first linear driving device stretches out and draws back to change the caliber of the cavity. Adopt this structure can adjust the bore of piston sleeve and the external diameter of piston through first linear drive arrangement's flexible, the flow in the pipeline that the liquid outlet of corresponding regulation piston sleeve is connected to quick regulation needs the proportion of the reaction material who adds, in order to adapt to the processing of different products.

Among the above-mentioned technical scheme, it is preferred, the stirring rake including rotate spacing in the internal a plurality of coaxial pivots of cauldron and be fixed in epaxial paddle changes, the crank structure is including setting up the rolling disc on the double-phase opposite of pivot, all be provided with the spout of radial extension on the face that the rolling disc is relative, two it is provided with the movable rod to slide in the spout, the cover is equipped with on the movable rod the one end of connecting rod, one of them be provided with second linear drive arrangement on the rolling disc, second linear drive arrangement drives the movable rod is in remove in order to change in the spout the stroke of piston. By adopting the structure, the position of the movable rod in the chute can be quickly adjusted through the second linear driving device, so that the rotating radius of the movable rod can be adjusted, the telescopic distance of each piston can be controlled, and the flow in the pipeline connected with the liquid outlets of the piston sleeves can be different due to the fact that the rotating speeds of the stirring paddles are consistent; the flow in the pipeline connected with the liquid outlet of the piston sleeve can be adjusted through the calibers of the piston sleeve and the piston, and the flow in the pipeline connected with the liquid outlet of the corresponding piston sleeve can be adjusted through adjusting the rotating radius of the movable rod, so that the proportion of reaction materials needing to be added is rapidly adjusted, and the device is suitable for processing different products.

In the above technical scheme, preferably, a positioning support is fixedly arranged in the kettle body, a plurality of positioning sleeves are arranged on the positioning support, and the rotating shaft penetrates through the positioning sleeves. The structure is used for limiting the rotating shaft and preventing the rotating center of the rotating shaft from deviating.

In the above technical solution, preferably, the sliding groove passes through a rotation center of the rotating shaft, and when the movable rod is located at the rotation center of the rotating shaft, and the rotating shaft rotates, the piston connected to the movable rod is stationary. In different reactions, the types and the quantities of reaction materials are different, and when the quantity of the reaction materials is less, the structure can move some movable rods to the rotating center of the rotating shaft, so that the pistons connected with the movable rods do not move.

In the above technical scheme, preferably, the venturi tube includes a conical guide section, an injection area and a vacuum chamber which are sequentially arranged, the conical guide section is connected with the liquid outlet through a pipeline, the injection area is connected with the spray head through a pipeline, and the vacuum chamber is communicated with the liquid suction port.

Compared with the prior art, the invention has the following beneficial effects: when the reaction kettle operates, the piston can be driven to move back and forth by the rotation of the stirring paddle, so that reaction materials are sucked from the bottom of the kettle body and are dispersedly sprayed out of the spray head, and the materials at the bottom of the reaction kettle are prevented from sinking and layering; when reaction material process venturi, absorb the material that will add because of the venturi effect is automatic, make the flow in the pipeline that the liquid outlet of each piston sleeve is connected different through the external diameter of the bore of adjusting each piston sleeve and piston, and then the inspiratory reaction material's of control venturi's imbibition mouth volume, consequently can reach the purpose of quick homogeneous mixing, again can be automatic proportional addition reaction material, prevent to produce other resultants because of the proportion difference when reaction material adds.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a schematic view of a connection structure of a stirring shaft and a positioning bracket in an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

Fig. 4 is a partially enlarged view of the piston sleeve at a point a in fig. 1 after the bore and the outer diameter of the piston are adjusted.

Fig. 5 is a partially enlarged view of fig. 1 at B.

Fig. 6 is a partially enlarged view of C in fig. 1.

Fig. 7 is a schematic structural view of a piston sleeve in an embodiment of the invention.

FIG. 8 is a schematic cross-sectional view of a venturi in an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 8, a self-priming reaction kettle comprises a kettle body 1, wherein a stirring paddle 3 driven by a motor 2 is arranged in the kettle body 1, the motor 2 is fixed at the top of the kettle body 1, one end of the stirring paddle 3 is connected with the motor 2, the other end of the stirring paddle is rotatably arranged at the bottom of the kettle body 1, three crankshaft structures 4 are arranged on the stirring paddle 3, and more crankshaft structures 4 can be arranged in other embodiments; crankshaft structure 4 one side one-to-one is provided with bore adjustable piston sleeve 5, the activity is provided with external diameter adjustable piston 51 in piston sleeve 5, be provided with connecting rod 52 between crankshaft structure 4 and the piston 51, connecting rod 52 both ends rotate with crankshaft structure 4 and piston 51 respectively and are connected, piston sleeve 5 bottom is provided with inlet 53 and liquid outlet 54, be provided with the check valve 6 rather than the flow direction matching on inlet 53 and the liquid outlet 54, two inlets 53 pass through the bottom of pipe connection cauldron body 1, three liquid outlet 54 is connected with shower nozzle 7 through the pipeline one-to-one, the inlet end of three shower nozzle 7 sets up venturi 8, liquid absorption mouth 81 of three venturi 8 all is connected with feedstock channel 11, all be provided with the check valve 6 rather than the flow direction matching on three feedstock channel 11. When the reaction kettle operates, the piston 51 can be driven to move back and forth by the rotation of the stirring paddle 3, so that reaction materials are sucked from the bottom of the kettle body 1 and are dispersedly sprayed out from the spray head 7, and the materials at the bottom of the reaction kettle are prevented from sinking and layering; when reaction material passes through venturi 8, absorb the material that will add because of the venturi effect is automatic, make the flow in the pipeline that the liquid outlet 54 of each piston housing 5 is connected different through the external diameter of the bore of adjusting each piston housing 5 and piston 51, and then the inspiratory reaction material's of imbibition mouth 81 of control venturi 8 volume, consequently can reach the purpose of quick homogeneous mixing, can automatic proportional addition reaction material again, prevent to produce other resultants because of the proportion difference when reaction material adds. At the beginning of the reaction, the gas in the reaction kettle flows in the pipeline, the reaction materials are sucked in by the gas flowing through the venturi tube 8, and then the reaction materials flow in the pipeline.

In this embodiment, the two sides of the crankshaft structure 4 are respectively provided with the piston sleeves 5 in a one-to-one correspondence manner, the pistons 51 in the two opposite piston sleeves 5 are connected with the same crankshaft structure 4, and the liquid outlets 54 of the two opposite piston sleeves 5 are connected with the same nozzle 7 through a pipeline. Adopt this structure to make when absorbing the reaction material in the piston bush 5 of one side, must extrude the reaction material in the piston bush 5 of offside for incessant injection of shower nozzle 7 promotes mixing efficiency.

In the present embodiment, the ejection directions of two heads 7 of the three heads 7 are opposed to each other, and the ejection direction of the other head 7 intersects with the ejection directions of the other two heads 7, but in another embodiment, when there are more heads 7, the ejection directions of the plurality of heads 7 may intersect. By adopting the structure, small drops of the reaction materials sprayed out of the spray head 7 can be collided and fused, and the mixing efficiency is further improved.

In this embodiment, referring to fig. 3, 4 and 7, the piston sleeve 5 includes a guide housing 55, a first movable plate 56 is slidably disposed on the guide housing 55, the first movable plate 56 and the guide housing 55 slide in cooperation with each other through a sliding slot and a sliding block, specifically, a vertical sliding slot is disposed on the guide housing 55, and the sliding block extending into the sliding slot is disposed on the first movable plate 56; a cavity 57 with an opening at one end is defined between the first movable plate 56 and the guide shell 55, a piston 51 capable of sliding along the depth direction of the cavity 57 is arranged in the cavity 57, the piston 51 comprises a plurality of second movable plates 58 which are overlapped with each other, adjacent second movable plates 58 slide in a matching way through a sliding groove and a sliding block, one of the second movable plates 58 on two sides slides in a matching way with the first movable plate 56 through the sliding groove and the sliding block, the other second movable plate 58 slides in a matching way with the guide shell 55 through the sliding groove and the sliding block, specifically, the bottom of the first movable plate 56 is provided with the sliding groove, one of the second movable plates 58 on two sides is provided with the sliding block extending into the sliding groove, the guide shell 55 is provided with the sliding groove, and the other of the second movable plates 58 on two sides is provided with the sliding block extending into the sliding groove; a first linear driving device 59 is arranged between the second movable plates 58 on both sides, and the first linear driving device 59 extends and contracts to change the caliber of the cavity 57. In this embodiment, the first linear driving device 59 is an electric push rod, and can position any position where the second movable plates 58 on both sides are pushed and pulled mutually, of course, in other embodiments, the second linear driving device 44 may also be a screw and nut mechanism, etc., as long as the distance between the second movable plates 58 on both sides can be changed, and the structure that can be positioned at any position is also applicable, and by adopting the structure, the aperture of the piston sleeve 5 and the outer diameter of the piston 51 can be adjusted by the extension and retraction of the first linear driving device 59, and the flow in the pipeline connected with the liquid outlet 53 of the piston sleeve 5 can be correspondingly adjusted, so that the proportion of the reaction materials that need to be added can be rapidly adjusted, and the processing of different products can be adapted.

In this embodiment, the stirring paddle 3 includes four coaxial rotating shafts 31 rotatably limited in the kettle 1 and blades 32 fixed on the rotating shafts 31, the crankshaft structure 4 includes rotating discs 41 disposed on two opposite sides of the rotating shafts 31, radially extending sliding slots 42 are disposed on the opposite sides of the rotating discs 41, movable rods 43 are slidably disposed in the two sliding slots 42, one end of a connecting rod 52 is sleeved on each movable rod 43, wherein a second linear driving device 44 is disposed on one of the rotating discs 41, and the second linear driving device 44 drives the movable rods 43 to move in the sliding slots 42 to change the stroke of the piston 51, in this embodiment, the second linear driving device 44 is an electric push rod, and can position the movable rods 43 at any position in the sliding slots 42, and in other embodiments, the second linear driving device 44 can also be a screw nut mechanism or the like as long as it can drive the movable rods 43 to be positioned at any position in the sliding slots 42, adopt this structure can be through the position of the quick adjustment movable rod 43 of second linear drive device 44 in spout 42, the distance between the center of rotation of quick adjustment movable rod 43 and pivot 31 promptly, the flow in the pipeline that the liquid outlet 54 of the piston bush 5 that the quick adjustment corresponds to connect is connected to quick regulation needs the proportion of the reaction material who adds, in order to adapt to the processing of different products.

In this embodiment, the cauldron body 1 internal fixation is provided with locating support 9, is provided with seven locating sleeve 91 on the locating support 9, and four sections pivots 31 all wear to locate in locating sleeve 91. The structure is used for limiting the rotating shaft 31 and preventing the rotating center of the rotating shaft 31 from deviating.

In this embodiment, the slide groove 42 passes through the rotation center of the rotation shaft 31, and when the movable rod 43 is positioned at the rotation center of the rotation shaft 31 and the rotation shaft 31 rotates, the piston 51 connected to the movable rod 43 is stationary. In different reactions, the types and the quantities of the reaction materials are different, when the quantity of the reaction materials is less, the structure can be adopted to move some movable rods 43 to the rotating center of the rotating shaft 31, so that the pistons 51 connected with the movable rods 43 do not move, referring to fig. 6, the movable rods 43 in fig. 6 are positioned at the rotating center of the rotating shaft 31, and when the rotating shaft 31 rotates, the movable rods 43 transmit rotating torque between the rotating shaft 31 and do not move, so the pistons 51 connected with the movable rods 51 do not move.

In this embodiment, specifically, the venturi tube 8 includes a conical guiding section 82, an injection area 83 and a vacuum chamber 84, which are sequentially disposed, the conical guiding section 82 is connected to the liquid outlet 54 through a pipeline, the injection area 83 is connected to the nozzle 7 through a pipeline, and the vacuum chamber 84 is communicated with the liquid suction port 81.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a from inhaling formula reation kettle, includes the cauldron body (1), be provided with in the cauldron body (1) by motor (2) driven stirring rake (3), its characterized in that: the stirring paddle is characterized in that a plurality of crankshaft structures (4) are arranged on the stirring paddle (3), piston sleeves (5) with adjustable calibers are arranged on one side of each crankshaft structure (4) in a one-to-one correspondence mode, pistons (51) with adjustable outer diameters are arranged in the piston sleeves (5) in an inner movable mode, connecting rods (52) are arranged between the crankshaft structures (4) and the pistons (51), two ends of each connecting rod (52) are respectively connected with the crankshaft structures (4) and the pistons (51) in a rotating mode, a liquid inlet (53) and a liquid outlet (54) are arranged at the bottom of each piston sleeve (5), one-way valves (6) matched with the liquid inlets in flowing direction are arranged on the liquid inlets (53) and the liquid outlets (54), the liquid inlets (53) are connected with the bottom of the kettle body (1) through pipelines, the liquid outlets (54) are connected with the spray heads (7) in a one-to-one correspondence mode, and venturi tubes (8) are arranged at liquid inlet ends of the spray heads (7), the liquid suction ports (81) of the Venturi tubes (8) are connected with feed channels (11), the feed channels (11) are provided with one-way valves (6) matched with the flow direction of the feed channels, the piston sleeve (5) comprises a guide shell (55), a first movable plate (56) is arranged on the guide shell (55) in a sliding mode, the first movable plate (56) and the guide shell (55) slide in a matching mode through a sliding groove and a sliding block, a cavity (57) with one end open is defined between the first movable plate (56) and the guide shell (55), a piston (51) capable of sliding along the depth direction of the cavity (57) is arranged in the cavity (57), the piston (51) comprises a plurality of second movable plates (58) which are overlapped with each other, the adjacent second movable plates (58) slide in a matching mode through the sliding groove and the sliding block, and the second movable plates (58) on two sides slide in a matching mode with the first movable plate (56) through the sliding groove and the sliding block, the other second movable plate (58) and the guide shell (55) slide in a matched mode through a sliding groove and a sliding block, a first linear driving device (59) is arranged between the second movable plates (58) on the two sides, and the first linear driving device (59) stretches and retracts to change the caliber of the cavity (57).

2. The self-priming reaction kettle according to claim 1, wherein: the two sides of the crankshaft structure (4) are uniformly and correspondingly provided with piston sleeves (5) with adjustable calibers, the pistons (51) in the piston sleeves (5) are connected with the same crankshaft structure (4), and the liquid outlets (54) of the piston sleeves (5) are connected with the same spray head (7) through pipelines.

3. The self-priming reaction kettle according to claim 1, wherein: the spraying directions of the plurality of spray heads (7) are opposite and/or crossed.

4. The self-priming reaction kettle according to claim 1 or 2, wherein: stirring rake (3) including rotate spacing in a plurality of coaxial pivot (31) in the cauldron body (1) and be fixed in paddle (32) on pivot (31), crank structure (4) are including setting up carousel (41) on pivot (31) double-phase opposite face, all be provided with radial extension's spout (42) on the face that carousel (41) is relative, two it is provided with movable rod (43) to slide in spout (42), the cover is equipped with on movable rod (43) the one end of connecting rod (52), one of them be provided with second linear drive device (44) on carousel (41), second linear drive device (44) drive movable rod (43) are in remove in spout (42) in order to change the stroke of piston (51).

5. The self-priming reaction kettle according to claim 4, wherein: cauldron body (1) internal fixation is provided with locating support (9), be provided with a plurality of location sleeve (91) on locating support (9), it is a plurality of pivot (31) are worn to locate in location sleeve (91).

6. The self-priming reaction kettle according to claim 4, wherein: the sliding groove (42) passes through the rotation center of the rotating shaft (31), and when the movable rod (43) is positioned at the rotation center of the rotating shaft (31), and the rotating shaft (31) rotates, the piston (51) connected with the movable rod (43) is static.

7. The self-priming reaction kettle according to claim 1, wherein: venturi tube (8) is including having set gradually toper direction section (82), jet zone (83) and vacuum chamber (84), toper direction section (82) pass through the pipe connection liquid outlet (54), jet zone (83) pass through the pipe connection shower nozzle (7), vacuum chamber (84) intercommunication imbibition mouth (81).