A reaction medium reaction rate control system for an enclosed space

Abstract

The application discloses a reaction medium reaction speed control system for a closed space, which comprises a reaction container, a fixed sealing cylinder and a movable reaction rod; the movable reaction rod is movably inserted into the fixed sealing cylinder to extend into the reaction container; reaction medium outlet holes are distributed on the tube wall of the lower half of the tube body of the movable reaction rod; an upper sealing part and a lower sealing part are embedded on the fixed sealing cylinder; a middle sealing part is embedded on the outer periphery of the movable reaction rod; the upper sealing part and the lower sealing part are separated by the middle sealing part to form an upper gas clamping cavity and a lower liquid clamping cavity; the pressure P2 in the upper gas clamping cavity is adjusted to be different from the pressure P1 in the reaction container; the movable reaction rod moves up and down through the pressure difference to adjust the number of the outlet holes of the reaction medium outlet holes extending out of the fixed sealing cylinder. The application drives the movable reaction rod to move through the pressure difference between the reaction container and the upper gas clamping cavity to adjust the number of the outlet holes of the reaction medium outlet holes extending out of the fixed sealing cylinder, so that the reaction progress of the reaction medium in the closed space is effectively controlled.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of reaction medium reaction speed control, and particularly relates to a reaction medium reaction speed control system for a closed space. BACKGROUND

[0002] During the reaction of two or more reaction mediums in a closed container, the pressure in the closed container changes, the reaction intensity is related to the added amount of the reaction medium, when a large amount of reaction medium is added in a short time, the reaction cannot be effectively controlled, a large fluctuation of the liquid surface is caused, the measurement is affected, and in a serious case, the out-of-control reaction can cause fire, explosion, secondary decomposition reaction and the like, and a large safety hazard exists. SUMMARY

[0003] The application aims at overcoming the defects in the prior art, and provides a reaction medium reaction speed control system for a closed space, which adjusts the number of the reaction medium outlet holes of the fixed sealing cylinder by differentiating the pressure between the reaction container and the upper gas clamping cavity to drive the movement of the movable reaction rod, so that the reaction progress of the reaction medium in the closed space is effectively controlled.

[0004] Technical scheme: To achieve the above-mentioned purpose, the reaction medium reaction speed control system for a closed space comprises a reaction container, a fixed sealing cylinder and a movable reaction rod; the fixed sealing cylinder is arranged through the top of the reaction container; the movable reaction rod is coaxially inserted into the fixed sealing cylinder to extend into the reaction container; the movable reaction rod is a hollow pipe, the upper end of the pipe body is a reaction medium inlet, the lower end of the pipe body is a closed end, and the pipe wall of the lower half of the pipe body is uniformly distributed with a plurality of reaction medium outlet holes; the movable reaction rod is arranged to slide up and down relative to the fixed sealing cylinder, and the number of the reaction medium outlet holes extending out of the fixed sealing cylinder is adjusted by the up-and-down sliding movement of the movable reaction rod relative to the fixed sealing cylinder.

[0005] The inner walls of the upper and lower cylinder openings of the fixed sealing cylinder are respectively embedded with upper and lower sealing parts, the outer periphery of the movable reaction rod is embedded with a middle sealing part located above the area where the reaction medium outlet holes are located, and the movable reaction rod slides up and down relative to the fixed sealing cylinder through the upper and lower sealing parts and the middle sealing part; a clamping cavity is formed between the fixed sealing cylinder and the movable reaction rod, the clamping cavity between the upper and lower sealing parts is separated into an upper gas clamping cavity and a lower liquid clamping cavity by the middle sealing part; a gas port corresponding to the upper gas clamping cavity is arranged on the fixed sealing cylinder, and the pressure P2 in the upper gas clamping cavity can be changed by charging and discharging through the gas port.

[0006] The reaction of two or more reaction mediums in the reaction container includes two states of not changing the pressure P1 in the reaction container and changing the pressure P1 in the reaction container:

[0007] In the state that the pressure P1 in the reaction container is not changed, the pressure P2 in the upper gas clamp cavity is adjusted to be the same as the pressure P1 in the reaction container, so that the movable reaction rod is in a state of being stationary relative to the fixed sealing cylinder;

[0008] In the state that the pressure P1 in the reaction container is changed, the pressure P2 in the upper gas clamp cavity is adjusted to be different from the pressure P1 in the reaction container, so that the movable reaction rod moves up and down relative to the fixed sealing cylinder through the pressure difference, to adjust the number of reaction medium outlet holes extending out of the fixed sealing cylinder.

[0009] Further, in the state that two or more reaction media react in the reaction container to increase the internal pressure P1, when the pressure P2 in the upper gas clamp cavity is greater than the pressure P1 in the reaction container, the movable reaction rod moves down through the pressure difference, increasing the number of reaction medium outlet holes extending out of the fixed sealing cylinder; when the pressure P2 in the upper gas clamp cavity is less than the pressure P1 in the reaction container, the movable reaction rod moves up through the pressure difference, reducing the number of reaction medium outlet holes extending out of the fixed sealing cylinder;

[0010] In the state that two or more reaction media react in the reaction container to decrease the internal pressure P1, when the pressure P2 in the upper gas clamp cavity is greater than the pressure P1 in the reaction container, the movable reaction rod moves down through the pressure difference, increasing the number of reaction medium outlet holes extending out of the fixed sealing cylinder; when the pressure P2 in the upper gas clamp cavity is less than the pressure P1 in the reaction container, the movable reaction rod moves up through the pressure difference, reducing the number of reaction medium outlet holes extending out of the fixed sealing cylinder.

[0011] Further, the reaction medium outlet holes are linearly distributed in the axial direction of the movable reaction rod and are circularly arrayed in the circumferential direction of the movable reaction rod.

[0012] Further, the reaction medium inlet of the movable reaction rod is connected to a soft connection through an interface, an initial end of the soft connection is connected to a reaction medium supply source, a reaction medium supply power part is arranged on the soft connection, and the reaction medium flow of the reaction medium supply power part is controlled to keep the pressure of the reaction medium in the movable reaction rod stable.

[0013] Further, the closed end of the movable reaction rod is provided with a resistance reduction structure, which is gradually contracted in a structure shape with a height decreasing from the edge of the movable reaction rod to the central axis.

[0014] Further, the gas port of the fixed sealing cylinder is connected to a gas guide pipeline through a pressure maintaining valve, an initial end of the gas guide pipeline is connected to a gas charging and discharging device; and the upper gas clamp cavity can realize the constancy of the internal pressure P2 in the closed state through the pressure maintaining valve.

[0015] Further, the fixed sealing cylinder has a threaded connection part, the fixed sealing cylinder is installed on the reaction container through the threaded connection part, and a sealing structure part is arranged between the threaded connection part and the top of the reaction container.

[0016] Further, the fixed sealing cylinder is provided with a first sensor for detecting the pressure P2 in the upper gas clamp cavity, and the reaction container is provided with a second sensor for detecting the internal pressure P1 of the reaction container.

[0017] Beneficial effects: the present application realizes the adjustment of the number of out-holes of the reaction medium out of the fixed sealing cylinder by the pressure difference between the reaction container and the upper gas clamp cavity to drive the movement of the active reaction rod, and then realizes the flow regulation of the reaction medium injected into the reaction container, finally realizes the effective control of the reaction progress of the reaction medium in the closed space, reduces the liquid level fluctuation, effectively avoids the measurement error caused by the medium liquid level fluctuation, at the same time eliminates the hidden dangers such as fire, explosion, secondary decomposition reaction and the like, and improves the safety. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the overall structure schematic diagram of the present application;

[0019] Figure 2 is the structure schematic diagram of the fixed sealing cylinder and the active reaction rod;

[0020] Figure 3 is the structure schematic diagram of the reaction container in the cut open state. DETAILED DESCRIPTION

[0021] The present application will be further described below in combination with the drawings.

[0022] As Figure 1 , Figure 2 and Figure 3As shown, a reaction medium reaction rate control system for a closed space includes a reaction container 1, a fixed sealing cylinder 2, and a movable reaction rod 3. The fixed sealing cylinder 2 is disposed through the top of the reaction container 1. The movable reaction rod 3 is coaxially inserted into the fixed sealing cylinder 2 to extend into the reaction container 1. The movable reaction rod 3 is a hollow tube, with an upper end of the tube being a reaction medium inlet 3a, a lower end of the tube being a closed end, and a lower half of the tube wall being uniformly distributed with a plurality of reaction medium outlet holes 3b. The movable reaction rod 3 is arranged to slide up and down relative to the fixed sealing cylinder 2. The number of outlet holes 3b of the movable reaction rod 3 extending out of the fixed sealing cylinder 2 is adjusted by the up-and-down sliding movement of the movable reaction rod 3 relative to the fixed sealing cylinder 2. The inner walls of the upper and lower cylinder openings of the fixed sealing cylinder 2 are respectively embedded with an upper sealing portion 4 and a lower sealing portion 5. The outer periphery of the movable reaction rod 3 is embedded with a middle sealing portion 6 located above the area of the reaction medium outlet holes 3b. The movable reaction rod 3 is arranged to slide up and down relative to the fixed sealing cylinder 2 through the upper sealing portion 4, the lower sealing portion 5, and the middle sealing portion 6. A gap is formed between the fixed sealing cylinder 2 and the movable reaction rod 3. The gap between the upper sealing portion 4 and the lower sealing portion 5 is divided into an upper gas gap 30 and a lower liquid gap 40 by the middle sealing portion 6. The fixed sealing cylinder 2 is provided with a gas port 8 corresponding to the upper gas gap 30. The pressure P2 in the upper gas gap 30 can be changed by charging and discharging gas through the gas port 8.

[0023] The reaction of two or more reaction media in the reaction container 1 includes two states of not changing the pressure P1 in the reaction container 1 and changing the pressure P1 in the reaction container 1:

[0024] In the state that the pressure P1 in the reaction container 1 does not change, the pressure P2 in the upper gas clamp cavity 30 is adjusted to be the same as the pressure P1 in the reaction container 1, so that the movable reaction rod 3 is in a state of being static relative to the fixed sealing cylinder 2, that is, the pressure P1 in the reaction container 1 is in a state of not changing, which indicates that the reaction degree of the reaction medium in the reaction container 1 is not severe, and at this time, the number of the reaction medium outlet holes 3b extending out of the fixed sealing cylinder 2 is just appropriate, and the adjustment of the number of the outlet holes is not needed. In the state that the pressure P1 in the reaction container 1 changes, the pressure P2 in the upper gas clamp cavity 30 is adjusted to be different from the pressure P1 in the reaction container 1, so that the movable reaction rod 3 moves up and down relative to the fixed sealing cylinder 2 through the pressure difference, so as to adjust the number of the reaction medium outlet holes 3b extending out of the fixed sealing cylinder 2, that is, the pressure P1 in the reaction container 1 is in a state of changing, which indicates that the reaction degree of the reaction medium in the reaction container 1 is severe, and at this time, the number of the reaction medium outlet holes 3b extending out of the fixed sealing cylinder 2 should be adjusted, specifically, the number of the outlet holes is reduced, and the flow of the reaction medium injected into the reaction container 1 is reduced, so as to relieve the severe degree of the reaction and obtain effective control. Therefore, the number of the reaction medium outlet holes 3b extending out of the fixed sealing cylinder 2 is adjusted by the differential pressure between the reaction container 1 and the upper gas clamp cavity 7 to drive the movable reaction rod 3 to move, and then the flow of the reaction medium injected into the reaction container 1 is adjusted, and finally the reaction progress of the reaction medium in the closed space is effectively controlled, the liquid level fluctuation is reduced, the measurement error caused by the liquid level fluctuation of the medium is effectively avoided, the hidden dangers such as fire, explosion and secondary decomposition reaction are eliminated, and the safety is improved. In addition, the flow adjustment of the reaction medium is not disorderly adjustment, but adaptive adjustment according to the change of the pressure P1 in the reaction container 1, which further stabilizes the fluctuation degree of the reaction medium liquid level, reduces the measurement error and ensures higher safety.

[0025] The change of the pressure P1 in the reaction container 1 is caused by the reaction medium, and the change of the pressure P2 in the upper gas clamp cavity 30 is active adjustment according to the change of the pressure P1. The purpose of the outlet hole adjustment is to adjust the flow of the reaction medium, and the specific adjustment has a strong correlation with the pressure P1 in the reaction container 1, which is roughly divided into the following two cases:

[0026] The first case: when the pressure P2 in the upper gas clamp cavity 30 is greater than the pressure P1 in the reaction container 1 in the state that two or more reaction media react in the reaction container 1 to increase the internal pressure P1, the movable reaction rod 3 moves down through the pressure difference, increases the number of the reaction medium outlet holes 3b extending out of the fixed sealing cylinder 2, and thus adjusts the flow of the reaction medium; when the pressure P2 in the upper gas clamp cavity 30 is less than the pressure P1 in the reaction container 1, the movable reaction rod 3 moves up through the pressure difference, reduces the number of the reaction medium outlet holes 3b extending out of the fixed sealing cylinder 2, and thus adjusts the flow of the reaction medium.

[0027] The second case: when the pressure P2 in the upper gas clamping cavity 30 is greater than the pressure P1 in the reaction container 1, the movable reaction rod 3 moves downward due to the pressure difference, increases the number of the reaction medium outlet holes 3b extending out of the outlet holes of the fixed sealing cylinder 2, and thus increases the flow of the reaction medium; when the pressure P2 in the upper gas clamping cavity 30 is less than the pressure P1 in the reaction container 1, the movable reaction rod 3 moves upward due to the pressure difference, reduces the number of the reaction medium outlet holes 3b extending out of the outlet holes of the fixed sealing cylinder 2, and thus reduces the flow of the reaction medium.

[0028] In order to further control the accuracy of the reaction medium flow control, as shown in Figure 2 The reaction medium outlet holes 3b are linearly distributed in the axial direction of the movable reaction rod 3 and are arranged in a circular array in the circumferential direction of the movable reaction rod 3.

[0029] As shown in Figure 1 The reaction medium inlet 3a of the movable reaction rod 3 is connected to a soft connection 10 through an interface 9, the initial end of the soft connection 10 is connected to a reaction medium supply source 11, and a reaction medium supply power unit 20 is arranged on the soft connection 10. The reaction medium flow control of the reaction medium supply power unit 20 keeps the pressure of the reaction medium in the movable reaction rod 3 stable. The soft connection 10 is a hose, and the reaction medium supply power unit 20 can be a peristaltic pump.

[0030] In order to reduce the resistance of the movable reaction rod 3 when it moves downward, improve the accuracy of the outlet hole number adjustment, and further ensure the accuracy of the reaction medium flow adjustment, as shown in Figure 2 or Figure 3 The closed end of the movable reaction rod 3 is provided with a resistance reduction structure 12, which is gradually contracted from the edge of the movable reaction rod 3 to the central axis, thereby reducing the resistance and avoiding the influence of irrelevant factors, and realizing more accurate flow adjustment.

[0031] As shown in Figure 1 The gas port 8 of the fixed sealing cylinder 2 is connected to a gas guide pipeline 14 through a pressure maintaining valve 13, the initial end of the gas guide pipeline 14 is connected to a gas charging and discharging device 15; the upper gas clamping cavity 30 can realize the constancy of the internal pressure P2 in the closed state through the pressure maintaining valve 13, and the pressure maintaining valve 13 is an electric valve.

[0032] The fixed sealing cylinder 2 has a threaded connection part 16, the fixed sealing cylinder 2 is installed on the reaction container 1 through the threaded connection part 16, and a sealing structure part 17 is extruded between the threaded connection part 16 and the top of the reaction container 1, the mouth of the reaction container 1 is kept in a closed state through the filling of the threaded connection part 16 and the sealing of the sealing structure part 17.

[0033] In the present application, the upper sealing part 4, the lower sealing part 5 and the middle sealing part 6 are selected as sealing rings, and the sealing structure part 17 is selected as a sealing gasket.

[0034] The fixed sealing cylinder 2 is provided with a first sensor 18 for detecting the pressure P2 in the upper gas clamping cavity 30, and the reaction container 1 is provided with a second sensor 19 for detecting the internal pressure P1 thereof.

[0035] The above is only the preferred embodiment of the present application, it should be pointed out that for the ordinary skilled in the art, without departing from the principles of the present application, can also make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A reaction medium reaction rate control system for an enclosed space, characterized by: The utility model provides a kind of reaction device, including reaction container (1), fixed sealing cylinder (2) and movable reaction stick (3);The fixed sealing cylinder (2) is arranged at the top of reaction container (1) through;The movable reaction stick (3) is coaxially inserted into fixed sealing cylinder (2) to extend into reaction container (1);The movable reaction stick (3) is hollow tubular, its pipe body upper end is reaction medium inlet (3a), its pipe body lower end is closed end, and the pipe wall of its pipe body lower half is evenly distributed with several reaction medium outlet holes (3b);The movable reaction stick (3) is arranged to slide up and down relative to fixed sealing cylinder (2), and the number of reaction medium outlet holes (3b) extending out of fixed sealing cylinder (2) is adjusted by the up and down sliding movement of movable reaction stick (3) relative to fixed sealing cylinder (2). The inner wall of the upper and lower cylinder mouths of the fixed sealing cylinder (2) is respectively embedded with upper sealing part (4) and lower sealing part (5), and the outer periphery of the movable reaction stick (3) is embedded with middle sealing part (6) located above the area where the reaction medium outlet holes (3b) are located, and the movable reaction stick (3) is sealed and slidably matched relative to the fixed sealing cylinder (2) by the upper sealing part (4), the lower sealing part (5) and the middle sealing part (6); a clamping cavity is formed between the fixed sealing cylinder (2) and the movable reaction stick (3), and the clamping cavity between the upper sealing part (4) and the lower sealing part (5) is divided into an upper gas clamping cavity (30) and a lower liquid clamping cavity (40) by the middle sealing part (6); the fixed sealing cylinder (2) is provided with a gas port (8) corresponding to the upper gas clamping cavity (30), and the pressure P2 in the upper gas clamping cavity (30) can be changed by charging and discharging through the gas port (8). The reaction of two or more reaction media in the reaction container (1) includes two states of not changing the pressure P1 in the reaction container (1) and changing the pressure P1 in the reaction container (1): In the state of not changing the pressure P1 in the reaction container (1), the pressure P2 in the upper gas clamping cavity (30) is adjusted to be the same as the pressure P1 in the reaction container (1), so that the movable reaction stick (3) is in a state of being stationary relative to the fixed sealing cylinder (2); In the state of changing the pressure P1 in the reaction container (1), the pressure P2 in the upper gas clamping cavity (30) is adjusted to be different from the pressure P1 in the reaction container (1), so that the movable reaction stick (3) moves up and down relative to the fixed sealing cylinder (2) by the pressure difference to adjust the number of reaction medium outlet holes (3b) extending out of the fixed sealing cylinder (2).

2. A system for controlling the reaction rate of a reaction medium in an enclosed space according to claim 1, wherein: In the state of increasing the pressure P1 in the reaction container (1) by the reaction of two or more reaction media in the reaction container (1), when the pressure P2 in the upper gas clamping cavity (30) is greater than the pressure P1 in the reaction container (1), the movable reaction stick (3) moves down by the pressure difference, increasing the number of reaction medium outlet holes (3b) extending out of the fixed sealing cylinder (2); when the pressure P2 in the upper gas clamping cavity (30) is less than the pressure P1 in the reaction container (1), the movable reaction stick (3) moves up by the pressure difference, reducing the number of reaction medium outlet holes (3b) extending out of the fixed sealing cylinder (2). When the pressure P2 in the upper gas clamping cavity (30) is greater than the pressure P1 in the reaction container (1), the movable reaction rod (3) moves downward by the pressure difference, increasing the number of reaction medium outlet holes (3b) extending out of the outlet holes of the fixed sealing cylinder (2); when the pressure P2 in the upper gas clamping cavity (30) is less than the pressure P1 in the reaction container (1), the movable reaction rod (3) moves upward by the pressure difference, reducing the number of reaction medium outlet holes (3b) extending out of the outlet holes of the fixed sealing cylinder (2).

3. A system for controlling the reaction rate of a reaction medium in an enclosed space according to claim 1, wherein: The reaction medium outlet holes (3b) are linearly distributed in the axial direction of the movable reaction rod (3) and are arranged in a circular array in the circumferential direction of the movable reaction rod (3).

4. A system for controlling the reaction rate of a reaction medium in an enclosed space according to claim 1, wherein: The reaction medium inlet (3a) of the movable reaction rod (3) is connected to a soft connection (10) through an interface (9), the initial end of the soft connection (10) is connected to a reaction medium supply source (11), a reaction medium supply power unit (20) is arranged on the soft connection (10), and the reaction medium flow control of the reaction medium supply power unit (20) keeps the pressure of the reaction medium in the movable reaction rod (3) stable.

5. A system for controlling the reaction rate of a reaction medium in an enclosed space according to claim 1, wherein: The closed end of the movable reaction rod (3) is provided with a resistance reduction structure (12) which gradually shrinks from the edge of the movable reaction rod (3) to the central axis.

6. A system for controlling the reaction rate of a reaction medium in an enclosed space according to claim 1, wherein: The gas port (8) of the fixed sealing cylinder (2) is connected to a gas guide pipeline (14) through a pressure maintaining valve (13), the initial end of the gas guide pipeline (14) is connected to a gas charging and discharging device (15); the upper gas clamping cavity (30) can keep the internal pressure P2 constant in the closed state through the pressure maintaining valve (13).

7. The closed space reaction medium reaction rate control system according to claim 6, characterized in that: The fixed sealing cylinder (2) has a threaded connection part (16), the fixed sealing cylinder (2) is installed on the reaction container (1) through the threaded connection part (16), and a sealing structure part (17) is extruded between the threaded connection part (16) and the top of the reaction container (1), the mouth of the reaction container (1) is kept in a closed state through the filling of the threaded connection part (16) and the sealing of the sealing structure part (17).

8. A system for controlling the reaction rate of a reaction medium in an enclosed space according to claim 7, wherein: A first sensor (18) corresponding to the pressure P2 in the upper gas clamping cavity (30) is arranged on the fixed sealing cylinder (2), and a second sensor (19) for detecting the internal pressure P1 of the reaction container (1) is arranged on the reaction container (1).

Images