CN212882447U

CN212882447U - Reaction kettle for chemical safety

Info

Publication number: CN212882447U
Application number: CN202021498165.3U
Authority: CN
Inventors: 肖娜; 张国锋
Original assignee: Huanghe Science and Technology College
Current assignee: Huanghe Science and Technology College
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-06
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to the technical field of reaction kettle devices, in particular to a reaction kettle for chemical safety, which comprises a kettle body, wherein a water tank is fixed on the outer surface of the kettle body, a sealing cover is fixed at the opening of the kettle body, an exhaust port is arranged on the sealing cover, a pressure relief mechanism is fixed at the exhaust port, a feed pipe is communicated on the sealing cover, a discharge pipe is communicated at the bottom of the kettle body, a driving motor is fixed on the sealing cover, the driving motor is rotationally connected with a rotating shaft, a plurality of sections of forward and reverse screw grooves which are communicated are arranged on the rotating shaft to form a reciprocating screw rod structure, a sliding block is connected with the screw grooves by screw threads, a cleaning mechanism is fixed on the sliding block by a connecting rod, a plurality of stirring rods are fixed at one end of the rotating shaft, which is far away from the sealing cover, the utility model can fully stir materials in the reaction kettle, and simultaneously effectively cool the, has wide application prospect in the technical field of reaction kettle devices.

Description

Reaction kettle for chemical safety

Technical Field

The utility model belongs to the technical field of reation kettle device technique and specifically relates to a reation kettle for chemical industry safety.

Background

In the chemical industry, a reaction kettle is one of indispensable devices. At present, the very big reason of its danger lies in, the input speed to reation kettle is too fast, feeding ratio is out of control or feeding sequence mistake, reation kettle can not carry out abundant effectual stirring to the internal material of jar, make the material fully react, reation kettle's material reaction efficiency is lower, production time has been increased, if the cooling can not be synchronous to the quick exothermic reaction of production, it causes the material local thermal decomposition to form the heat accumulation, form the material and react fast and produce a large amount of high temperature gas, make the too big accident that explodes of reation kettle internal pressure. In addition, the reaction kettle is often aggravated by deposits on the inner wall of the reaction kettle after long-time use, so that the side wall heat dissipation effect of the reaction kettle is worsened, and the safety of the reaction kettle is affected.

SUMMERY OF THE UTILITY MODEL

The invention discloses a reaction kettle for chemical safety, which aims to solve the problems that the existing chemical reaction kettle can not be quickly and uniformly stirred to generate quick exothermic reaction, the pressure in the reaction kettle is easily overlarge to cause explosion accidents, and the reaction kettle is easily used for a long time to cause aggravation of sediments on the inner wall of the reaction kettle, so that the side wall heat dissipation effect of the reaction kettle is poor, and the safety of the reaction kettle is influenced.

The technical proposal of the utility model is that the device comprises a kettle body, wherein, a plurality of supporting columns are fixed at the bottom of the kettle body, a water tank is fixed on the outer surface of the kettle body, the water tank is communicated with a water inlet pipe and a water outlet pipe, a sealing cover is fixed at the opening of the kettle body, the sealing cover is provided with an air outlet which is communicated with a pressure relief mechanism, the sealing cover is communicated with a feeding pipe, the bottom of the kettle body is communicated with a discharge pipe, a driving motor is fixed on the sealing cover through a supporting rod, the output shaft of the driving motor is rotationally connected with a rotating shaft which penetrates through the sealing cover and extends into the kettle body through a coupler, the rotating shaft is provided with a plurality of sections of forward and reverse communicated screw grooves to form a reciprocating screw rod structure, threaded connection has the sliding block on the silk groove, be fixed with wiper mechanism through the connecting rod on the sliding block, the one end that the closing cap was kept away from to the axis of rotation is fixed with a plurality of puddlers.

Preferably, the water tank is a closed tank body, the water inlet pipe is communicated with one end, close to the ground, of the water tank, and the water outlet pipe is communicated with one end, far away from the ground, of the water tank.

Preferably, pressure release mechanism includes pressure release pipe, blast pipe, shutoff piece and pressure release spring, the one end of pressure release pipe is fixed on the closing cap at gas vent place and is linked together with the gas vent, shutoff piece and pressure release spring sliding connection are in the pressure release pipe, and the shutoff piece is inconsistent with the closing cap, the surface threaded connection of the other end of pressure release pipe has a sealing cap, the blast pipe is fixed in the centre of pressure release pipe and is linked together with the pressure release pipe.

Preferably, the rotating shafts at two ends of the two adjacent sections of the wire grooves are fixedly provided with limiting baffles, so that a structure that the sliding block moves in the opposite direction when moving to be abutted against the limiting baffles is formed.

Preferably, wiper mechanism includes connecting rod, fixed plate and scraper blade, and is a plurality of the connecting rod uses the axle center of axis of rotation to be the annular and fixes on the sliding block as the centre of a circle, the one end of sliding block is kept away from at the connecting rod is fixed to the fixed plate, the scraper blade is fixed on the fixed plate, and the one end of scraper blade is inconsistent with the lateral wall of the cauldron body.

Preferably, a plurality of fixing rods are fixed on the outer side wall of the water tank, and a protective net is fixed at one end of each fixing rod, which is far away from the water tank.

Preferably, a lower connecting plate is fixed on the outer side wall of one end, far away from the ground, of the water tank, an upper connecting plate is fixed on the side edge of the sealing cover, and the upper connecting plate is fixedly connected with the lower connecting plate to seal the opening of the kettle body.

Adopt the technical scheme of the utility model can reach following beneficial effect: (1) the water tank can effectively absorb heat generated in the reaction kettle, so that the reaction kettle is convenient to cool, and the kettle body is prevented from being burst by high-temperature and high-pressure gas generated in the kettle body; (2) through the plurality of stirring rods and the cleaning mechanism, the chemical materials in the kettle body can be quickly and sufficiently stirred, and meanwhile, attachments on the inner side wall of the kettle body can be removed, so that the side wall of the kettle body can quickly and effectively transfer heat to the water tank, and the temperature in the kettle body of the water tank can be reduced; (3) through the pressure relief mechanism, high air pressure generated in the kettle body can be ensured, chemical reaction of materials in the kettle body is facilitated, and the situation that the materials are rapidly ejected from the interior of the kettle body due to overlarge pressure in the reaction kettle when a discharge pipe is opened after the reaction is finished can be avoided, so that the operation safety of the discharging process of the reaction kettle is ensured; the technical scheme of the utility model has extensive application prospect in reation kettle device technical field.

Drawings

Fig. 1 is a cross-sectional view of the reaction kettle for chemical safety of the utility model.

Fig. 2 is an enlarged view of the area a in fig. 1.

Fig. 3 is an enlarged view of the region B in fig. 1.

The device comprises a kettle body 1, a kettle body 2, a water tank 3, a sealing cover 4, a support column 5, a water inlet pipe 6, a water outlet pipe 7, a material discharging pipe 8, a material inlet pipe 9, an air outlet 10, a pressure relief mechanism 101, a pressure relief pipe 102, a sealing cap 103, a pressure relief spring 104, a sealing block 105, an air outlet pipe 11, a driving motor 12, a coupler 13, a rotating shaft 14, a wire groove 15, a limit baffle plate 16, a sliding block 17, a connecting rod 18, a fixing plate 19, a scraper blade 20, a stirring rod 21, a fixing rod 22, a protective net 23, an upper connecting plate 24, a lower connecting plate 25 and a support rod.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance throughout the present disclosure, it being understood that unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and can be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The reaction kettle for chemical safety as shown in fig. 1-3 comprises a kettle body 1, wherein a plurality of support columns 4 are welded and fixed at the bottom of the kettle body 1, so that the whole kettle body 1 is conveniently supported through the support columns 4, and the whole reaction kettle can stably stand on the ground. The surface welded fastening of the cauldron body 1 has the water tank 2, and the water in the water tank 2 contacts with the surface of the cauldron body 1, is convenient for absorb the heat of the transmission of the cauldron body 1 through the water in the water tank 2, and then cools down the cauldron body 1 effectively. 2 intercommunications of water tank have inlet tube 5 and drain pipe 6, and water tank 2 is the closed box, the one end that inlet tube 5 intercommunicates is close to ground at water tank 2, the one end on ground is kept away from at water tank 2 to drain pipe 6 intercommunication, be convenient for realize the circulation business turn over of 2 water tanks internal water through inlet tube 5 and drain pipe 6, simultaneously, the density that utilizes hot water is less than the principle of the density of cold water, set up inlet tube 5 at the lower extreme, drain pipe 6 sets up in the upper end, and then lower the temperature to the cauldron body 1 more effectively. Fixed detachable being connected with closing cap 3 of opening part of the cauldron body 1 is convenient for seal the opening of the cauldron body 1 through closing cap 3, avoids the internal material of the cauldron 1 spill when carrying out the chemical reaction, causes the injury to the staff, avoids external debris to fall into from the opening of the cauldron body 1 simultaneously, and the influence internal material carries out the chemical reaction. Specifically speaking, welded fastening has a lower connecting plate 24 on the lateral wall of the one end that the water tank 2 keeps away from ground, and welded fastening has an upper connecting plate 23 on the side border of closing cap 3, and upper connecting plate 23 passes through bolt fastening can be dismantled with lower connecting plate 24 and be connected, realizes that closing cap 3 seals the opening part of the cauldron body 1. Be equipped with the sealing washer between the opening surface of closing cap 3 and the cauldron body 1, be convenient for further seal the opening of the cauldron body 1 through the sealing washer, avoid leaking gas from the space between closing cap 3 and the cauldron body 1. The sealing cover 3 is provided with the exhaust port 9, so that steam generated by heating liquid by heat generated by chemical reaction of materials in the kettle body 1 can be discharged conveniently through the exhaust port 9, and the safety accident of furnace explosion caused by overlarge pressure in the kettle body 1 is avoided. Gas vent 9 department intercommunication has pressure relief mechanism 10, be convenient for make the material at the in-process of reation kettle internal reaction through pressure relief mechanism 10, when producing a quantitative gas, gaseous atmospheric pressure upwards promotes shutoff piece 104, make the gas of production pass through inside the blast pipe 105 discharge reation kettle, avoid opening behind the reaction finish when arranging material pipe 7, lead to the material to follow jar internal portion to erupt fast because of the inside pressure of reation kettle is too big, the operation safety of the row's of having guaranteed reation kettle material process. The sealing cover 3 is communicated with a feeding pipe 8, so that materials can be conveniently added into the kettle body 1 through a discharging pipe 7. The bottom of the kettle body 1 is communicated with a discharge pipe 7, so that materials in the kettle body 1 after chemical reaction can be discharged through the discharge pipe 7. Can dismantle through bracing piece 25 is fixed to be connected with driving motor 106 on the closing cap 3, driving motor 106's output shaft rotates through shaft coupling 12 to be connected with and runs through closing cap 3 and extend to the axis of rotation 13 in the cauldron body 1, the one end welding that closing cap 3 was kept away from to axis of rotation 13 or can dismantle through the bolt fastening and be connected with a plurality of puddlers 20, be convenient for drive axis of rotation 13 through driving motor 106 and rotate, make axis of rotation 13 drive puddler 20 and rotate, and then realize the stirring to the interior material of the cauldron body 1, make the interior material of the cauldron body 1 can be even carry out chemical reaction, avoid the material part to be heated and decompose, form the quick reaction of material and produce a large amount of high temperature gas, make the. Puddler 20 is the arc for puddler 20 is big with the area of contact of the internal 1 inside material of cauldron, and then can stir bigger tracts of land, and then realizes the rapid mixing to the material. Set up the positive and negative and silk groove 14 that are linked together of a plurality of sections on the axis of rotation 13 for axis of rotation 13 part constitutes reciprocal lead screw structure, threaded connection has sliding block 16 on the silk groove 14, through connecting rod 17 welding or can dismantle through bolt fastening and be connected with wiper mechanism on the sliding block 16, it slides from top to bottom to be convenient for drive sliding block 16 along axis of rotation 13 when axis of rotation 13 rotates through the silk groove 14 that forms reciprocal lead screw structure, use axis of rotation 13 to rotate as the axle simultaneously, and then make wiper mechanism use axis of rotation 13 to rotate and slide from top to bottom along axis of rotation 13 simultaneously as the axle, and then realize wasing the inside wall of the cauldron body 1, avoid the interior material of the cauldron body 1 to adhere to on the inside wall, influence the inside wall of. And limiting baffles 15 are welded and fixed on the rotating shafts 13 at two ends of the two adjacent wire grooves 14 to form a structure that the sliding blocks 16 move in opposite directions when moving to be abutted against the limiting baffles 15, so that the sliding blocks 16 are limited through the limiting baffles 15, and the sliding blocks 16 are prevented from being separated from the wire grooves 14, and further the sliding blocks 16 are influenced to slide up and down and rotate along the rotating shafts 13. Welded fastening has a plurality of dead levers 21 on the lateral wall of water tank 2, and the one end welded fastening that water tank 2 was kept away from to dead lever 21 has protection network 22, is convenient for separate whole reation kettle and external world through protection network 22, avoids workman direct contact water tank 2's lateral wall to cause the scald.

As shown in fig. 1-3, in the reaction kettle for chemical safety, the pressure relief mechanism 10 includes a pressure relief pipe 101, an exhaust pipe 105, a blocking block 104 and a pressure relief spring 103, one end of the pressure relief pipe 101 is welded and fixed to the cover 3 where the exhaust port 9 is located and is communicated with the exhaust port 9, so that the gas exhausted from the exhaust port 9 is firstly exhausted into the pressure relief pipe 101. Blocking piece 104 and pressure release spring 103 sliding connection are in pressure release pipe 101, and blocking piece 104 is inconsistent with closing cap 3, be convenient for carry out the shutoff with gas vent 9 through blocking piece 104, utilize pressure release spring 103 to provide certain elasticity to blocking piece 104 simultaneously, make the atmospheric pressure in the cauldron body 1 be greater than standard atmospheric pressure, only when the pressure in the cauldron body 1 reachs the certain degree, gaseous promotion blocking piece 104 slides in pressure release pipe 101, and then discharge from blast pipe 105. The outer surface threaded connection of the other end of pressure release pipe 101 has sealed cap 102, is convenient for seal the opening of pressure release pipe 101 through sealed cap 102, utilizes sealed cap 102 to injure pressure release spring 103 and blocking piece 104 simultaneously, avoids blocking piece 104 and pressure release spring 103 to break away from in pressure release pipe 101, the influence is to the shutoff of gas vent 9. The exhaust pipe 105 is welded and fixed in the middle of the pressure relief pipe 101 and communicated with the pressure relief pipe 101, so that the gas in the kettle body 1 can be conveniently exhausted through the exhaust pipe 105.

As shown in FIGS. 1-3, a cleaning mechanism comprises connecting rods 17, a fixing plate 18 and a scraper 19, wherein the connecting rods 17 are welded in an annular shape by taking the axis of a rotating shaft 13 as the center of a circle or are detachably connected to a sliding block 16 through bolt fixing, so that the connecting rods 17 and the sliding block 16 are connected together to form a whole, the sliding block 16 is convenient to move to drive the connecting rods 17 to move, and meanwhile, the connecting rods are fixed by bolts and detachably connected to facilitate quick assembly and disassembly. Fixed plate 18 welds or can dismantle the one end of connecting keeping away from sliding block 16 at connecting rod 17 through bolt fastening, scraper blade 19 can dismantle the connection through bolt fastening and fix on fixed plate 18, and the one end of scraper blade 19 is inconsistent with the lateral wall of the cauldron body 1, make fixed plate 18 and scraper blade 19 and connecting rod 17 fixed connection form a whole, and then drive connecting rod 17 through sliding block 16 and move, make connecting rod 17 drive fixed

plate

18 and 19 movements of scraper blade, and then realize striking off the attachment of the inside wall of the cauldron body 1. The baffle is made for the material that has certain flexibility for can produce deformation when scraper blade 19 contacts with the inside wall of the cauldron body 1, and then can also contact with the inside wall of the cauldron body 1 after long-time friction, extension scraper blade 19's change time.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A reation kettle for chemical industry safety, including the cauldron body (1), its characterized in that, the bottom of the cauldron body (1) is fixed with a plurality of support columns (4), the external fixed surface of the cauldron body (1) has water tank (2), water tank (2) intercommunication has inlet tube (5) and drain pipe (6), the opening part of the cauldron body (1) is fixed with closing cap (3), gas vent (9) have been seted up on closing cap (3), gas vent (9) department intercommunication has pressure relief mechanism (10), the intercommunication has inlet pipe (8) on closing cap (3), the bottom intercommunication of the cauldron body (1) has row material pipe (7), be fixed with driving motor (106) through bracing piece (25) on closing cap (3), the output shaft of driving motor (106) is connected with through shaft coupling (12) rotation and runs through closing cap (3) and extends to the axis of rotation (13) in the cauldron body (1), the rotary shaft is characterized in that a plurality of sections of positive and negative and communicated wire grooves (14) are formed in the rotary shaft (13) to form a reciprocating screw rod structure, sliding blocks (16) are connected to the wire grooves (14) in a threaded mode, a cleaning mechanism is fixed to the sliding blocks (16) through connecting rods (17), and a plurality of stirring rods (20) are fixed to one end, far away from the sealing cover (3), of the rotary shaft (13).

2. The reaction kettle for chemical safety according to claim 1, wherein the water tank (2) is a closed box body, the water inlet pipe (5) is communicated with one end of the water tank (2) close to the ground, and the water outlet pipe (6) is communicated with one end of the water tank (2) far away from the ground.

3. The reaction kettle for chemical safety according to claim 1, wherein the pressure relief mechanism (10) comprises a pressure relief pipe (101), an exhaust pipe (105), a blocking block (104) and a pressure relief spring (103), one end of the pressure relief pipe (101) is fixed on a sealing cover (3) where the exhaust port (9) is located and communicated with the exhaust port (9), the blocking block (104) and the pressure relief spring (103) are slidably connected in the pressure relief pipe (101), the blocking block (104) is abutted to the sealing cover (3), a sealing cap (102) is connected to an outer surface of the other end of the pressure relief pipe (101) in a threaded manner, and the exhaust pipe (105) is fixed in the middle of the pressure relief pipe (101) and communicated with the pressure relief pipe (101).

4. The reaction kettle for chemical safety according to claim 1, wherein a limit baffle (15) is fixed on the rotating shaft (13) at two ends of the adjacent two sections of the wire grooves (14) to form a structure that the sliding block (16) moves in the opposite direction when moving to be abutted against the limit baffle (15).

5. The reaction kettle for chemical safety according to claim 1, wherein the cleaning mechanism comprises a connecting rod (17), a fixing plate (18) and a scraper (19), the connecting rod (17) is fixed on the sliding block (16) in an annular shape by taking the axis of the rotating shaft (13) as a circle center, the fixing plate (18) is fixed at one end of the connecting rod (17) far away from the sliding block (16), the scraper (19) is fixed on the fixing plate (18), and one end of the scraper (19) is abutted to the side wall of the kettle body (1).

6. The reaction kettle for chemical safety according to claim 1, wherein a plurality of fixing rods (21) are fixed on the outer side wall of the water tank (2), and a protective net (22) is fixed on one end of each fixing rod (21) far away from the water tank (2).

7. The reaction kettle for chemical safety according to claim 1, wherein a lower connecting plate (24) is fixed on the outer side wall of one end of the water tank (2) far away from the ground, an upper connecting plate (23) is fixed on the side edge of the sealing cover (3), and the upper connecting plate (23) is fixedly connected with the lower connecting plate (24) to seal the opening of the kettle body (1) by the sealing cover (3).