Non-dead-zone pipeline discharge valve and reactor

Abstract

The utility model discloses a dead-zone-free pipeline discharge valve and a reactor, and belongs to the technical field of pipeline material discharge equipment, the dead-zone-free pipeline discharge valve comprises a main valve body with a first end and a second end, and a flow channel is arranged in the main valve body; connecting parts are arranged at the first end and the second end; the auxiliary valve body is arranged on the main valve body, and a discharging channel is formed in the auxiliary valve body. The valve element is rotationally arranged in the containing cavity of the discharging channel in a sealed mode. The valve element is provided with a through hole and can rotate between a first position and a second position. At the first position, the valve element blocks the discharging channel; at the second position, the flowing channel is communicated with the discharging channel through the through hole; according to the utility model, the connecting part can be mounted at any position of a reactor pipeline as required and is directly used as a flowing channel of reaction materials, so that a discharge path is shortened, and a flowing dead zone in the reactor pipeline is eliminated; in the opening and closing process of the valve element, the valve element rotates to achieve a self-cleaning effect, a flowing dead zone at the communicating position of the flowing channel and the discharging opening can be eliminated, and it is guaranteed that emptying and discharging are safe and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline material release equipment technical field, concretely relates to a kind of dead zone-free pipeline unloading valve and reactor. BACKGROUND

[0002] Pipeline reactor is a kind of continuous operation reactor in tubular shape, long-diameter ratio is very big, pipeline reactor has the advantages such as small back mixing, volume efficiency (unit volume production capacity) is high, is particularly suitable for the occasion requiring higher conversion rate or having series side reaction.

[0003] With the popularization and application of continuous flow technology, the use of pipeline reactor gradually increases;Continuous pipeline reactor usually needs to maintain long-time production operation, when reaction material is in the condition of easy agglomeration, flow dead zone at exhaust port and unloading port is prone to cause agglomeration due to long-time residence of reaction material, when it is necessary to exhaust and unload, it cannot unload normally, and even further causes safety risk.

[0004] Therefore, it is an urgent problem to be solved at present to develop and design a kind of unloading valve which can be conveniently installed at any position of pipeline reactor, ensure no flow dead zone, and exhaust and unload safely and reliably. UTILITY MODEL CONTENT

[0005] For the problems existing in the prior art, the utility model provides a kind of dead zone-free pipeline unloading valve and reactor, the connecting portion at the two ends of main valve body can be conveniently installed at any position of reactor pipeline according to the needs, directly as the flow passage of reaction material, shorten the discharge path of reaction material, eliminate the flow dead zone in reactor pipeline, at the same time, during the opening and closing process of valve core in auxiliary valve body, valve core rotates between first position and second position while having certain self-cleaning effect, can eliminate the flow dead zone at the communication between flow passage and unloading port, and further can ensure that exhaust and unload safely and reliably, simple structure, convenient to install.

[0006] In order to achieve the above purpose, the utility model adopts the technical scheme as follows:

[0007] Firstly, the utility model provides a kind of dead zone-free pipeline unloading valve, comprising:

[0008] Main valve body, the main valve body has first end and second end, the main valve body has flow passage that communicates the first end with the second end in it;The first end and the second end are each equipped with connecting portion;

[0009] Auxiliary valve body, the auxiliary valve body is arranged on the main valve body, the auxiliary valve body has unloading passage that communicates with the flow passage in it;

[0010] A valve core is arranged in the discharging channel, and the discharging channel is provided with a containing cavity matched with the valve core at the position of the valve core, and the valve core is rotationally sealed with the containing cavity; the valve core has a through hole, and the valve core can rotate relative to the containing cavity between a first position and a second position; in the first position, the valve core blocks the discharging channel; in the second position, the through hole connects the flow channel with the discharging channel.

[0011] As a preferred technical solution, the main valve body is in a straight pipe shape, and the flow channel is arranged horizontally.

[0012] As a preferred technical solution, the discharging channel is arranged vertically below the flow channel, and the axis of the discharging channel intersects with and is perpendicular to the axis of the flow channel.

[0013] As a preferred technical solution, a plurality of sealing rings are arranged between the containing cavity and the valve core.

[0014] As a preferred technical solution, two sealing rings are arranged, and the two sealing rings are arranged near the upper end and the lower end of the containing cavity, respectively.

[0015] As a preferred technical solution, in the first position, the through hole is arranged horizontally.

[0016] And / or, in the second position, the through hole is arranged vertically.

[0017] As a preferred technical solution, in the second position, the upper end surface of the valve core is not protruded from the inner wall surface of the flow channel.

[0018] As a preferred technical solution, the discharging channel is formed with a discharging port at the end away from the main valve body.

[0019] As a preferred technical solution, the valve core is in a spherical shape.

[0020] And / or, the material of the main valve body and the valve core is the same as the material of the reactor pipeline.

[0021] And / or, the connecting part is a flange or a screw thread.

[0022] In the second aspect, the utility model provides a kind of reactor, comprising the discharging valve of no dead zone pipeline of preceding.

[0023] The utility model has the beneficial effects of:

[0024] 1. The utility model discloses a connecting part at both ends of the main valve body can be conveniently installed at any position of the reactor pipeline according to the need, directly as the flow channel of reaction material, shortens the discharge path of reaction material, eliminates the flow dead zone in the reactor pipeline.

[0025] 2. The utility model discloses the valve core in the auxiliary valve body has certain self-cleaning effect when rotating between the first position and the second position in the switching process, can eliminate the flow dead zone at the communication of flow channel and discharge port, and then can avoid reaction material deposition blockage or solidification blockage, guarantees that the safe and reliable emptying discharge is reliable, simple structure, convenient installation. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the whole structure schematic diagram of one embodiment of the utility model discloses a dead -zone -free pipeline discharge valve.

[0027] Figure 2 It is the structure schematic diagram when the valve core in Figure 1 Rotates to the second position.

[0028] In the drawing: 1 - main valve body, 11 - first end, 12 - second end, 13 - flow channel, 14 - connecting part, 2 - auxiliary valve body, 21 - discharge channel, 22 - containing cavity, 23 - discharge port, 3 - valve core, 31 - through -hole, 4 - sealing ring. DETAILED DESCRIPTION

[0029] In order to facilitate the person skilled in the art understanding, the utility model is further explained below in conjunction with the drawings.

[0030] First, please refer to Figure 1 And Figure 2 The utility model provides a dead -zone -free pipeline discharge valve, and one embodiment of the utility model includes main valve body 1, and the main valve body 1 has first end 11 and second end 12, and the main valve body 1 has flow channel 13 in the first end 11 and the second end 12 communication, and the first end 11 and the second end 12 are equipped with connecting part 14, and the main valve body 1 can be conveniently installed at any position of the reactor pipeline according to the need through connecting part 14, and the flow channel 13 is directly used for the flow of reaction material, and the discharge path of reaction material is shortened, and the flow dead zone in the reactor pipeline is eliminated, and the special pipeline emptying port is no longer needed.

[0031] The auxiliary valve body 2 is arranged on the main valve body 1, and the auxiliary valve body 2 is internally provided with a discharge channel 21 communicated with the flow channel 13; the valve core 3 is arranged in the discharge channel 21, and the discharge channel 21 is provided with a containing cavity 22 matched with the valve core 3 at a position corresponding to the valve core 3; the valve core 3 and the containing cavity 22 are rotationally sealed; when the valve core 3 is in a spherical shape, the valve core 3 can rotate smoothly in the containing cavity 22, and the valve core 3 and the containing cavity 22 are always in a sealed state during rotation of the valve core 3; the valve core 3 is provided with a through hole 31, and the valve core 3 can rotate relative to the containing cavity 22 between a first position and a second position, so that the valve core 3 has a certain self-cleaning effect when rotating between the first position and the second position, and the flow dead zone at the position where the flow channel 13 is communicated with the discharge port 23 can be eliminated; when in the first position, the through hole 31 is horizontally arranged, the valve core 3 blocks the discharge channel 21, the auxiliary valve body 2 is in a closed state, and the reaction material only flows in the flow channel 13, so that the pipeline reactor can normally operate; when in the second position, the through hole 31 is vertically arranged, the through hole 31 communicates the flow channel 13 with the discharge channel 21, the auxiliary valve body 2 is in an open state, and the pipeline reactor can be completely discharged, thereby providing a reliable guarantee for efficient use of the pipeline reactor.

[0032] It should be noted that, Figure 1 and Figure 2 the arrow direction is the flow direction of the reaction material, and the main valve body 1 is in a straight pipe shape, and the flow channel 13 is horizontally arranged, so that the main valve body 1 can be conveniently installed at any position of the horizontally placed reactor pipeline; in other embodiments, the main valve body 1 can also be in a bent pipe shape, and the discharge channel 21 is arranged at the lowest point of the flow channel 13, so that the discharge effect can also be guaranteed.

[0033] Specifically, the connecting portion 14 is preferably provided with a flange or a thread, so as to be conveniently connected with the reactor pipeline.

[0034] Further, please refer to Figure 1 and Figure 2 , the end of the discharge channel 21 away from the main valve body 1 forms a discharge port 23, and the discharge pipe can be conveniently connected through the discharge port 23.

[0035] In this embodiment, please refer to Figure 1 and Figure 2 , the discharge channel 21 is arranged below the flow channel 13 and vertically arranged, the axis of the discharge channel 21 intersects and is perpendicular to the axis of the flow channel 13, so that all the reaction materials in the flow channel 13 can be smoothly discharged from the discharge channel 21.

[0036] Further, please refer to Figure 1 and Figure 2In the second position, the upper end surface of the valve core 3 should not protrude from the inner wall surface of the flow passage 13, so as to ensure that the upper end surface of the valve core 3 does not interfere with the discharge of the reactant from the discharge passage 21 in the flow passage 13.

[0037] In the embodiment, please refer to Figure 1 and Figure 2 A plurality of sealing rings 4 are embedded between the accommodating cavity 22 and the valve core 3, and the plurality of sealing rings 4 can ensure that the valve core 3 is stably rotationally sealed with the accommodating cavity 22 during rotation.

[0038] In particular, please refer to Figure 1 and Figure 2 The sealing ring 4 is provided with two sealing rings 4, which are respectively arranged near the upper end and the lower end of the accommodating cavity 22, so as to ensure the rotation sealing effect; in other embodiments, the number of sealing rings 4 can also be other values, so as to ensure the rotation sealing effect between the valve core 3 and the accommodating cavity 22.

[0039] In the embodiment, please refer to Figure 1 and Figure 2 The valve core 3 should be spherical, so as to ensure that the valve core 3 can smoothly rotate in the accommodating cavity 22; in other embodiments, the valve core 3 can also be cylindrical, so that the valve core 3 and the accommodating cavity 22 have matching spherical surfaces or circular arc surfaces, so that the valve core 3 can rotate relative to the accommodating cavity 22 between the first position and the second position.

[0040] It should be noted that the materials of the main valve body 1 and the valve core 3 are the same as the materials of the reactor pipeline, so as to ensure that the reaction is normal; in other embodiments, in order to further ensure that the reactant in the reactor pipeline is normally and stably mixed and reacted, the materials of the main valve body 1 and the valve core 3 can be better than the materials of the reactor pipeline.

[0041] In a second aspect, the utility model provides a kind of reactor, which is preferably set as pipeline reactor, and the aforementioned dead zone pipeline discharge valve can be conveniently installed in any position of reactor pipeline, directly as the flow passage of reactant, eliminates the flow dead zone in reactor pipeline.

[0042] The above only for the preferred embodiment of the utility model, and is not used to limit the utility model, for the skilled person in the art, the utility model can have various changes and changes;Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dead-zone-free pipeline unloading valve, characterized in that, include: The main valve body (1) has a first end (11) and a second end (12), and the main valve body (1) has a flow channel (13) that connects the first end (11) and the second end (12); a connecting part (14) is provided at both the first end (11) and the second end (12); A secondary valve body (2) is provided on the main valve body (1), and the secondary valve body (2) has a discharge channel (21) communicating with the flow channel (13); A valve core (3) is disposed in the unloading channel (21). The unloading channel (21) has a receiving cavity (22) corresponding to the valve core (3) and is rotary sealed with the receiving cavity (22). The valve core (3) has a through hole (31) and can rotate relative to the receiving cavity (22) between a first position and a second position. In the first position, the valve core (3) blocks the unloading channel (21). In the second position, the through hole (31) connects the flow channel (13) with the unloading channel (21).

2. The dead-zone-free pipeline unloading valve according to claim 1, characterized in that, The main valve body (1) is in the shape of a straight pipe, and the flow channel (13) is set horizontally.

3. The dead-zone-free pipeline unloading valve according to claim 2, characterized in that, The unloading channel (21) is located below the flow channel (13) and is vertically arranged. The axis of the unloading channel (21) intersects with and is perpendicular to the axis of the flow channel (13).

4. The dead-zone-free pipeline unloading valve according to claim 3, characterized in that, A plurality of sealing rings (4) are embedded between the receiving cavity (22) and the valve core (3).

5. The dead-zone-free pipeline unloading valve according to claim 4, characterized in that, The sealing ring (4) is provided as two, and the two sealing rings (4) are respectively located near the upper end and the lower end of the receiving cavity (22).

6. The dead-zone-free pipeline unloading valve according to claim 1 or 3, characterized in that, In the first position, the through hole (31) is horizontally positioned; And / or, in the second position, the through hole (31) is vertically positioned.

7. The dead-zone-free pipeline unloading valve according to claim 6, characterized in that, In the second position, the upper end face of the valve core (3) does not protrude from the inner wall of the flow channel (13).

8. The dead-zone-free pipeline unloading valve according to claim 1 or 3, characterized in that, The unloading channel (21) forms an unloading port (23) at the end away from the main valve body (1).

9. The dead-zone-free pipeline unloading valve according to claim 1, characterized in that, The valve core (3) is spherical; And / or, the main valve body (1) and the valve core (3) are made of the same material as the reactor pipeline; and / or, the connection part (14) is a flange or thread.

10. A reactor, characterized in that, Includes the dead-zone-free pipeline unloading valve as described in any one of claims 1-9.

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