CN217164319U

CN217164319U - Constant flow feeding equipment

Info

Publication number: CN217164319U
Application number: CN202220986395.7U
Authority: CN
Inventors: 刘瑜; 钱文生; 杨政权; 王学良; 吴海松; 汪芳; 王胜; 陆亭亭; 陆道昌; 万代发; 吴社锋
Original assignee: Zhongke Tongdu Powder New Material Co ltd
Current assignee: Zhongke Tongdu Powder New Material Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-12
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a constant flow feeding equipment relates to flow control equipment technical field, including intermediate reactor, batching cauldron and material elevator pump, the top of intermediate reactor is connected with valve B through first connecting pipe. The utility model discloses a set up high-order intervalve, overflow pipe and valve A, just in equipment operation, make valve B keep normally open state, then join in marriage liquid material through the batching cauldron, close valve A, restart material elevator pump, the material of preparing in the batching cauldron passes through material elevator pump and conveying pipeline and carries to high-order intervalve, wait the material fill in high-order intervalve and flow back to the batching cauldron from the overflow pipe in back, open valve A, make in the high-order intervalve material pass through valve A and blowing pipe and valve B get into in the intermediate reactor, thereby make reinforced initial stage, liquid is in invariable liquid level at high-order intervalve, guarantee unanimous with the design flow at reinforced initial stage flow, realize reinforced overall process flow invariant.

Description

Constant flow feeding equipment

Technical Field

The utility model relates to a flow control equipment technical field specifically is a constant flow feeding equipment.

Background

The high-efficient transfer of solid powder and liquid is the basis of the smooth proceeding of industrial production, wherein the technology in the aspect of the transfer of solid powder is mature, related scientific and technical documents and patent documents are more, the commercially available solid powder transfer equipment is gradually improved and automated in function in recent years, but liquid materials used in the chemical industry at present are quite various, wherein an industrial barrel is the main using mode of the liquid materials, in the industrial production, the liquid generally comprises pure solvents, solutions, emulsions, suspensions and the like, the solutions, emulsions and suspensions all contain solvents, the liquid materials commonly used in the industrial production are divided into two types, one type is general liquids such as water, methanol, ethanol, dichloromethane and the like, the other type is reactive liquid materials such as triethylamine, sodium methoxide methanol solution, morpholine, sulfuric acid and the like, in the chemical production process, the liquid feeding generally requires stable flow, the stable and controllable technological process is ensured, and the liquid material is fed by a metering pump or a method of linkage control of the pump, a flowmeter and a valve.

However, under specific process conditions, such as small flow, small flow error less than 2%, short flow stabilization time and the like, the conventional feeding equipment cannot meet the constant flow feeding requirement of small flow and small flow error in the using process of the metering pump, and the metering pump control and other methods cannot meet the specific process conditions, so that new flow control equipment needs to be researched.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the material flow cannot be constant in the feeding process, constant-flow feeding equipment is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a constant flow feeding device comprises an intermediate reactor, a batching kettle and a material lifting pump, wherein the top end of the intermediate reactor is connected with a valve B through a first connecting pipe, the top end of the valve B is connected with a discharging pipe, the top end of the discharging pipe is connected with a valve A, the top end of the valve A is connected with a high-level middle groove through a second connecting pipe, one side of the outer wall of the high-level middle groove is connected with an overflow pipe and a material conveying pipe, the overflow pipe is positioned above the material conveying pipe, the other end of the overflow pipe is connected with the top end of the batching kettle, one end of the material conveying pipe, which is far away from the high-level middle groove, is connected with a material lifting pump, the other end of the material lifting pump is connected with the bottom end of the batching kettle through a third connecting pipe, and a floating ball mechanism used for plugging the bottom end of the high-position middle groove is also arranged in the high-position middle groove.

As a further aspect of the present invention: the inside bottom of groove in the middle of the high-order is provided with the drain hole, the second connecting pipe on valve A top with drain hole sealing connection.

As a further aspect of the present invention: the floating ball mechanism comprises a limiting frame, a sealing plate, a moving shaft, a spring, a connecting seat, a connecting rod, a floating ball, a limiting groove and a limiting shaft, the limiting frame is arranged at the bottom end inside the high-level middle groove, and is positioned above the discharging hole, the sealing plate is slidably arranged inside the limiting frame, the movable shaft is fixedly arranged at the top end of the sealing plate, and penetrates above the limiting frame, the spring is sleeved on the outer wall of the moving shaft and is positioned at the top end of the sealing plate, the connecting seat is fixedly arranged at the top end of the movable shaft, the connecting rod is rotatably arranged at one side of the inner wall of the high-position middle groove, the floating ball is arranged at the top end of the connecting rod, the limit groove is arranged inside the bottom end of the connecting rod, the limiting shaft is arranged in the connecting seat and penetrates through the limiting groove.

As a further aspect of the present invention: the connecting rod is V type mechanism, groove's inner wall one side in the middle of the high position is provided with rotates the seat, the connecting rod with the inner wall that rotates the seat passes through the axis of rotation and rotates the connection.

As a further aspect of the present invention: the connecting seat is of a U-shaped structure, and the outer wall of the limiting shaft is matched with the inner wall of the limiting groove.

As a further aspect of the present invention: the top of spacing is provided with the circular slot, the outer wall of removal axle with the inner wall phase-match of circular slot.

As a further aspect of the present invention: the outer wall of the sealing plate is matched with the inner wall of the limiting frame, and a sealing piece is arranged at the bottom end of the sealing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arrangement of the high-level middle tank, the overflow pipe and the valve A, at the beginning of operation of the equipment, the valve B is kept in a normally open state, then liquid materials are prepared through the material preparation kettle, the valve A is closed, the material lifting pump is started again, the prepared materials in the material preparation kettle are conveyed into the high-level middle tank through the material lifting pump and the material conveying pipe, after the materials are filled in the high-level middle tank and flow back into the material preparation kettle from the overflow pipe, the valve A is opened, the materials in the high-level middle tank enter the middle reactor through the valve A, the discharging pipe and the valve B, so that the liquid is at a constant liquid level in the high-level middle tank at the initial feeding stage, the flow rate is consistent with the designed flow rate at the initial feeding stage, and the flow rate is constant in the whole feeding process;

2. through setting up the floater mechanism, the realization is under the effect of spring, make the closing plate hug closely in the top of drain hole, seal the drain hole, the inside material of high-order middle groove is full of and makes the floater rise, when the floater rises, it rotates to drive the connecting rod, make the bottom of connecting rod rotate upwards, under the joint action of spacing axle and connecting seat, make the removal axial upward movement, when driving the closing plate removal and breaking away from the drain hole, the spring atress shrink, use through the mutually supporting of above part, the drain hole could be opened when realizing filling the high-order middle groove material, avoid high-order middle groove material not to touch the switch by mistake and make valve A open.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the high-position intermediate tank of the present invention;

fig. 3 is an enlarged schematic view of the utility model at a in fig. 2;

fig. 4 is an enlarged schematic view of the position B in fig. 2 according to the present invention.

In the figure: 1. an intermediate reactor; 2. discharging the material pipe; 3. a high-level middle tank; 4. a batching kettle; 5. an overflow pipe; 6. a delivery pipe; 7. a material lift pump; 8. a discharging port; 9. a floating ball mechanism; 901. a limiting frame; 902. a sealing plate; 903. a movable shaft; 904. a spring; 905. a connecting seat; 906. a connecting rod; 907. a floating ball; 908. a limiting groove; 909. a limiting shaft; 10. a valve A; 11. and a valve B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a constant flow feeding apparatus includes an intermediate reactor 1, a batching kettle 4 and a material lift pump 7, wherein a valve B11 is connected to a top end of the intermediate reactor 1 through a first connecting pipe, a discharging pipe 2 is connected to a top end of the valve B11, a valve a10 is connected to a top end of the discharging pipe 2, a high-level intermediate tank 3 is connected to a top end of the valve a10 through a second connecting pipe, an overflow pipe 5 and a material conveying pipe 6 are connected to one side of an outer wall of the high-level intermediate tank 3, and overflow pipe 5 is located the top of conveying pipeline 6, and the other end of overflow pipe 5 is connected with batching cauldron 4's top, and the one end of keeping away from high-order intermediate tank 3 of conveying pipeline 6 is connected with material elevator pump 7, and the other end of material elevator pump 7 is connected with batching cauldron 4's bottom through the third connecting pipe, and the inside of high-order intermediate tank 3 still is provided with the floater mechanism 9 that is used for carrying out the shutoff to high-order intermediate tank 3 bottom.

In this embodiment: at the beginning of the operation of the equipment, the valve B11 is kept in a normally open state, then liquid materials are prepared through the proportioning kettle 4, the valve A10 is closed, the material lifting pump 7 is started, the prepared materials in the proportioning kettle 4 are conveyed into the high-level intermediate tank 3 through the material lifting pump 7 and the conveying pipe 6, after the materials are filled in the high-level intermediate tank 3 and flow back into the proportioning kettle 4 from the overflow pipe 5, the valve A10 is opened, the materials in the high-level intermediate tank 3 enter the intermediate reactor 1 through the valve A10, the discharging pipe 2 and the valve B11, so that the liquid is at a constant liquid level in the high-level intermediate tank 3 at the initial charging stage, the flow rate is consistent with the designed flow rate at the initial charging stage, the flow rate in the whole charging process is constant, a plurality of valves B11 are arranged at the top end of the intermediate reactor 1 according to use requirements, a plurality of high-level intermediate tanks 3 and proportioning kettles 4 are prepared in parallel, and a plurality of liquid materials are added simultaneously, the effective volume of the batching kettle 4 can be designed according to the batching amount, and the flow can be designed according to the installation height of the high-level middle tank 3 and the opening degree of the valve B11.

Please refer to fig. 2 and 4, the lower end of the interior of the high-level middle tank 3 is provided with a discharging hole 8, and the second connecting pipe at the top end of the valve a10 is hermetically connected with the discharging hole 8.

In this embodiment: through the inside bottom of groove 3 in the middle of the high-order being provided with drain hole 8, the second connecting pipe and the drain hole 8 sealing connection on valve A10 top realize opening valve A10, make the inside material of groove 3 in the middle of the high-order get into valve A10 from drain hole 8 and second connecting pipe.

Referring to fig. 2, 3 and 4, the floating ball mechanism 9 includes a position-limiting frame 901, a sealing plate 902, a moving shaft 903, a spring 904, a connecting seat 905, a connecting rod 906, a floating ball 907, a position-limiting groove 908 and a position-limiting shaft 909, the position-limiting frame 901 is disposed at the inner bottom end of the high-level middle groove 3, and is located above the discharging opening 8, the sealing plate 902 is slidably mounted inside the limiting frame 901, the moving shaft 903 is fixedly mounted at the top end of the sealing plate 902, and run through to the top of spacing 901, spring 904 cup joints in the outer wall of removal axle 903, spring 904 is located the top of closing plate 902, connecting seat 905 fixed mounting is in the top of removal axle 903, connecting rod 906 rotates and installs in high-order intermediate tank 3's inner wall one side, floater 907 locates the top of connecting rod 906, spacing groove 908 locates inside the bottom of connecting rod 906, spacing axle 909 locates the inside of connecting seat 905, and spacing axle 909 runs through to the inside of spacing groove 908.

In this embodiment: under the effect of spring 904, make closing plate 902 hug closely in the top of drain hole 8, seal drain hole 8, when the inside material of high-order middle groove 3 is full of and make floater 907 rise, when floater 907 rises, drive connecting rod 906 and rotate, make the bottom of connecting rod 906 rotate upwards, under the connecting action of spacing axle 909 and connecting seat 905, make removal axle 903 rebound, when driving closing plate 902 to remove and break away from drain hole 8, spring 904 atress shrink, through the use of mutually supporting of above parts, realize that drain hole 8 could open when high-order middle groove 3 material is full of, it makes valve A10 open to avoid high-order middle groove 3 material not to fill up the mistake and touches the switch.

Please refer to fig. 2, the connecting rod 906 is a V-shaped mechanism, a rotating seat is disposed on one side of the inner wall of the high-level middle groove 3, and the connecting rod 906 is rotatably connected with the inner wall of the rotating seat through a rotating shaft.

In this embodiment: the connecting rod 906 is a V-shaped mechanism, a rotating seat is arranged on one side of the inner wall of the high-position middle groove 3, the connecting rod 906 is rotatably connected with the inner wall of the rotating seat through a rotating shaft, and the connecting rod 906 is rotatably arranged on one side of the inner wall of the high-position middle groove 3.

Referring to fig. 2 and 3, the connecting seat 905 has a U-shaped structure, and the outer wall of the limiting shaft 909 matches with the inner wall of the limiting groove 908.

In this embodiment: the connecting seat 905 is of a U-shaped structure, the outer wall of the limiting shaft 909 is matched with the inner wall of the limiting groove 908, and the limiting shaft 909 moves in a limiting mode along the inner portion of the limiting groove 908 while the connecting rod 906 rotates.

Please refer to fig. 4, the top of the limiting frame 901 is provided with a circular groove, and the outer wall of the moving shaft 903 matches with the inner wall of the circular groove.

In this embodiment: be provided with the circular slot through the top of spacing 901, the outer wall of removal axle 903 and the inner wall phase-match of circular slot realize removing the spacing reciprocating of axle 903.

Please refer to fig. 4, the outer wall of the sealing plate 902 matches with the inner wall of the limiting frame 901, and the bottom of the sealing plate 902 is provided with a sealing member.

In this embodiment: the outer wall of closing plate 902 and spacing frame 901's inner wall phase-match, the bottom of closing plate 902 is provided with the sealing member, realizes that closing plate 902 moves along spacing frame 901's inner wall is spacing, carries out the shutoff to drain hole 8.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The constant-flow feeding equipment comprises an intermediate reactor (1), a batching kettle (4) and a material lifting pump (7), and is characterized in that the top end of the intermediate reactor (1) is connected with a valve B (11) through a first connecting pipe, the top end of the valve B (11) is connected with a discharging pipe (2), the top end of the discharging pipe (2) is connected with a valve A (10), the top end of the valve A (10) is connected with a high-level intermediate tank (3) through a second connecting pipe, one side of the outer wall of the high-level intermediate tank (3) is connected with an overflow pipe (5) and a material conveying pipe (6), the overflow pipe (5) is positioned above the material conveying pipe (6), the other end of the overflow pipe (5) is connected with the top end of the batching kettle (4), and one end of the material conveying pipe (6) far away from the high-level intermediate tank (3) is connected with the material lifting pump (7), the other end of the material lifting pump (7) is connected with the bottom end of the batching kettle (4) through a third connecting pipe, and a floating ball mechanism (9) used for plugging the bottom end of the high-level middle groove (3) is further arranged inside the high-level middle groove (3).

2. A constant flow charging equipment according to claim 1, characterized in that the lower end of the interior of the high-level middle tank (3) is provided with a discharge opening (8), and the second connecting pipe at the top end of the valve a (10) is hermetically connected with the discharge opening (8).

3. The constant-flow charging equipment according to claim 2, wherein the floating ball mechanism (9) comprises a limiting frame (901), a sealing plate (902), a moving shaft (903), a spring (904), a connecting seat (905), a connecting rod (906), a floating ball (907), a limiting groove (908) and a limiting shaft (909), the limiting frame (901) is arranged at the bottom end of the interior of the elevated middle groove (3) and is positioned above the discharging hole (8), the sealing plate (902) is slidably arranged in the limiting frame (901), the moving shaft (903) is fixedly arranged at the top end of the sealing plate (902) and penetrates above the limiting frame (901), the spring (904) is sleeved on the outer wall of the moving shaft (903), the spring (904) is positioned at the top end of the sealing plate (902), and the connecting seat (905) is fixedly arranged at the top end of the moving shaft (903), the connecting rod (906) is rotatably installed on one side of the inner wall of the high-position middle groove (3), the floating ball (907) is arranged at the top end of the connecting rod (906), the limiting groove (908) is arranged inside the bottom end of the connecting rod (906), the limiting shaft (909) is arranged inside the connecting seat (905), and the limiting shaft (909) penetrates through the limiting groove (908).

4. The constant-flow charging equipment according to claim 3, wherein the connecting rod (906) is a V-shaped mechanism, a rotating seat is arranged on one side of the inner wall of the high-level middle groove (3), and the connecting rod (906) is rotatably connected with the inner wall of the rotating seat through a rotating shaft.

5. The constant flow charging installation according to claim 3, characterized in that the connecting base (905) is of a U-shaped configuration, and the outer wall of the limiting shaft (909) matches the inner wall of the limiting groove (908).

6. A constant flow charging equipment according to claim 3, characterized in that the top end of the limiting frame (901) is provided with a circular groove, and the outer wall of the moving shaft (903) is matched with the inner wall of the circular groove.

7. A constant flow charging installation according to claim 3, characterised in that the outer wall of the sealing plate (902) matches the inner wall of the retaining frame (901), and the bottom end of the sealing plate (902) is provided with a seal.