CN220435596U

CN220435596U - Vaporization throttle valve

Info

Publication number: CN220435596U
Application number: CN202322142252.5U
Authority: CN
Inventors: 盛奇平; 孙贵明
Original assignee: Zhejiang Bokong Intelligent Equipment Co ltd
Current assignee: Zhejiang Bokong Intelligent Equipment Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-02-02
Anticipated expiration: 2033-08-09

Abstract

The application relates to a vaporization throttle valve, including the throttle body that has the throttle chamber, the throttle body is provided with feed pipe and discharging pipe that communicates in the throttle chamber in order to carry ethylene oxide, the throttle body is provided with the control core of controlling the interior ethylene oxide flow of throttle chamber, the throttle body cover is equipped with the heating mantle, forms the heating chamber between the inner peripheral wall of heating mantle and the outer wall of throttle body, and the heating mantle is worn to locate by the feed pipe, the heating mantle is provided with the conveying subassembly to heating medium is carried to the heating chamber. The application has the advantage of reducing the possibility of freezing the inner wall of the discharging pipe when the ethylene oxide is vaporized.

Description

Vaporization throttle valve

Technical Field

The application relates to the technical field of throttle valves, in particular to a vaporization throttle valve.

Background

Ethylene oxide is a broad-spectrum disinfectant, which can kill various microorganisms including spores, tubercle bacillus, bacteria, viruses, fungi and the like at normal temperature.

Ethylene oxide sterilization is generally performed in a sterilization cabinet, liquid ethylene oxide in a steel bottle is conveyed into the sterilization cabinet through a conveying pipe, the liquid ethylene oxide is vaporized into gaseous ethylene oxide with stronger sterilization and disinfection capacity in the conveying process in the conveying pipe, and a throttle valve is generally additionally arranged on the conveying pipe between the steel bottle and the sterilization cabinet in order to conveniently control the flow of the liquid ethylene oxide.

However, in the process of vaporizing ethylene oxide, the cut-off area of the throttle valve is too small, so that the ethylene oxide is easy to freeze in the discharge pipe of the throttle valve when passing through the throttle valve, and the discharge pipe is blocked, so that further improvement is needed.

Disclosure of Invention

In order to reduce the possibility of blockage of a discharge pipe of a throttle valve, the application provides a vaporization throttle valve.

The application provides a vaporization throttle valve adopts following technical scheme:

the utility model provides a vaporization choke valve, includes the throttle body that has the throttle chamber, the throttle body is provided with feed pipe and discharging pipe that communicates in the throttle chamber in order to carry ethylene oxide, the throttle body is provided with the control core of control throttle intracavity ethylene oxide flow, the throttle body cover is equipped with the heating mantle, forms the heating chamber between the inner peripheral wall of heating mantle and the outer wall of throttle body, and the heating mantle is worn to locate by the feed pipe, the heating mantle is provided with the conveying subassembly to heating medium is carried to the heating chamber.

Through adopting above-mentioned technical scheme, carry heating medium to the heating intracavity through conveying component, heating medium's heat transfer to throttle body's lateral wall and inlet pipe lateral wall to heat throttle body whole and inlet pipe, make the temperature of throttle body whole and inlet pipe promote, on the one hand, improve the vaporization efficiency of ethylene oxide in throttle chamber and the inlet pipe, on the other hand, effectively reduce the ethylene oxide when the vaporization, the inner wall of inlet pipe and the possibility that the inner wall of throttle chamber take place to freeze frosting, thereby reduce inlet pipe, throttle body, discharging pipe and take place the possibility of jam.

Preferably, the conveying assembly comprises a medium inlet pipe which is arranged on the heating cover and communicated with the heating cavity.

By adopting the technical scheme, the heating medium is filled in the heating cavity through the medium inlet pipe.

Preferably, the conveying assembly further comprises a heating box for heating the heating medium, and the medium inlet pipe conveys the heating medium in the heating box into the heating cavity through the medium pump.

By adopting the technical scheme, after the heating box heats the heating medium, the medium pump provides conveying power for the medium inlet pipe and conveys the heating medium into the heating cavity.

Preferably, the conveying assembly further comprises a medium outlet pipe which is arranged on the heating cover and communicated with the heating cavity, and the medium outlet pipe is connected to the heating box.

Through adopting above-mentioned technical scheme, the heating medium that accomplishes the heat exchange flows back to the heating cabinet through the medium exit tube and heats the back again, gets into the heating intracavity through the medium entry again, realizes cyclic heating, ensures to carry out continuous heating to inlet pipe and throttle body.

Preferably, the outer peripheral wall of the throttle body is fixedly connected with a plurality of heat exchange plates which are internally arranged in the heating cavity.

By adopting the technical scheme, the heat exchange plates are additionally arranged on the outer wall of the throttle body, so that the heating efficiency of the throttle body is improved.

Preferably, the outer wall of the heating cover is provided with a connecting piece, and the connecting piece is provided with a fastener in a penetrating way.

Through adopting above-mentioned technical scheme, the heating mantle outer wall has set up the connecting piece, and the connecting piece passes through the fastener lock solid on the carrier to realize the fixed to the throttle body.

Preferably, the throttle chamber includes the toper chamber and communicates in the sharp chamber in toper chamber, and sharp chamber extends to the one end of throttle body, the one end that the toper chamber is close to sharp chamber is the large end, and the one end that the sharp chamber was kept away from to the toper chamber is the tip, and throttle body can dismantle and be connected with the installation sleeve of inserting in sharp chamber, the control core includes along the axial slip insert the double-screw bolt of locating the toper stem in toper chamber and coaxial fixed connection in toper stem, the installation sleeve is worn to locate by the double-screw bolt screw thread, and the inlet pipe communicates in sharp chamber, and the discharging pipe communicates in the tip in toper chamber.

Through adopting above-mentioned technical scheme, drive toper stem through rotating adjusting stud and together rotate, because double-screw bolt and installation sleeve threaded connection drive toper stem together slide along throttle body's axial when rotating the double-screw bolt to adjust the clearance size between toper stem periphery wall and the toper intracavity perisporium, realize the flow control to ethylene oxide, moreover, make the ethylene oxide of vaporization pass through the inlet pipe evenly distributed in the toper intracavity, be difficult for taking place to freeze in the toper intracavity.

Preferably, the one end coaxial fixedly connected with that the double-screw bolt kept away from toper stem is external in the telescopic spliced pole of installation, the coaxial cover of spliced pole is equipped with the pointer sleeve, and the pointer sleeve cover is located the installation sleeve, and the telescopic peripheral wall of pointer is provided with the pilot line, and the telescopic peripheral wall of installation is provided with the scale mark.

Through adopting above-mentioned technical scheme, drive the spliced pole through rotating the pointer sleeve and rotate to drive the double-screw bolt and rotate, the operator realizes the accurate regulation to the ethylene oxide flow through watching the relative position of the indication line on the pointer sleeve and the scale mark on the installation sleeve.

Preferably, the control core body further comprises a sealing column fixedly connected between the stud and the conical core column, the sealing column is slidably inserted into the mounting sleeve, and the sealing column is fixedly sleeved with a sealing ring which is abutted against the inner peripheral wall of the mounting sleeve.

By adopting the technical scheme, the sealing ring is additionally arranged on the peripheral wall of the sealing column, so that the tightness between the sealing column and the mounting sleeve is improved, and the possibility of leakage of ethylene oxide is reduced.

In summary, the utility model has the following beneficial effects:

1. the heating medium is conveyed into the heating cavity through the conveying component, and the heat of the heating medium is transferred to the side wall of the throttle valve body and the side wall of the feeding pipe, so that the whole throttle valve body and the feeding pipe are heated, the temperature of the whole throttle valve body and the feeding pipe is raised, on one hand, the vaporization efficiency of ethylene oxide in the throttle cavity and the feeding pipe is improved, and on the other hand, the possibility that the inner wall of the feeding pipe, the inner wall of the throttle cavity and the inner wall of the discharging pipe are frozen when the ethylene oxide is vaporized is effectively reduced;

2. after the heating medium subjected to heat exchange flows back to the heating box through the medium outlet pipe to be heated again, the heating medium enters the heating cavity again through the medium inlet pipe, so that the circulating heating is realized, and the continuous heating of the feeding pipe and the throttle valve body is ensured;

3. the conical core column is driven to rotate together by rotating the adjusting stud, and the stud is in threaded connection with the mounting sleeve, so that the conical core column is driven to slide along the axial direction of the throttle body together when the stud is rotated, and the size of a gap between the outer peripheral wall of the conical core column and the inner peripheral wall of the conical cavity is adjusted, so that the flow control of ethylene oxide is realized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a vaporization throttle valve;

FIG. 2 is a schematic diagram of the connection structure of the throttle body and the heating mantle;

fig. 3 is a schematic diagram of a connection structure of the control stem and the throttle body.

In the figure, 1, a throttle body; 11. a throttle chamber; 12. a conical cavity; 13. a linear cavity; 14. a feed pipe; 15. a discharge pipe; 16. a heat exchange plate; 17. a first flange; 18. a limiting ring; 19. a heating chamber; 2. a mounting sleeve; 21. a second flange; 22. a fixing bolt; 3. controlling the core body; 31. a tapered stem; 32. a sealing column; 321. sealing grooves; 322. a seal ring; 33. a stud; 34. a connecting column; 35. a pointer sleeve; 4. a heating mantle; 41. an upper sealing plate; 42. a lower sealing plate; 43. a heating jacket; 51. A medium inlet pipe; 52. a medium outlet pipe; 6. a connecting piece; 61. a connecting transverse plate; 62. connecting a vertical plate; 63. a fastener.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses vaporization throttle valve, refer to fig. 1, 2, including throttle body 1 that has throttle chamber 11, throttle chamber 11 includes toper chamber 12 and communicates in the sharp chamber 13 of toper chamber 12, and sharp chamber 13 extends to the one end of throttle body 1 for the one end of throttle body 1 is open end, and the one end of throttle body 1 is the blind end. The end of the conical cavity 12 close to the linear cavity 13 is a large end, the end of the conical cavity 12 far away from the linear cavity 13 is a small end, and the large end of the conical cavity 12 is smoothly connected with the linear cavity 13.

The feed pipe 14 communicated with the linear cavity 13 is fixedly arranged on the peripheral wall of the throttle body 1 in a penetrating manner, the other end of the feed pipe 14 is used for being connected with a steel bottle for storing liquid ethylene oxide, the discharge pipe 15 communicated with the conical cavity 12 is fixedly arranged on the closed end of the throttle body 1 in a penetrating manner, and the other end of the discharge pipe 15 is used for being connected with a sterilizing cabinet for sterilizing. The outer peripheral wall of the throttle body 1, which is positioned in the conical cavity 12, is fixedly connected with a plurality of heat exchange plates 16 which are distributed along the axial direction, the outer peripheral wall of the throttle body 1, which is positioned in the linear cavity 13, is coaxially and fixedly connected with a first flange plate 17, and the outer peripheral wall of the first flange plate 17 is coaxially and fixedly sleeved with a limiting ring 18.

The open end of the throttle body 1 is detachably connected with a mounting sleeve 2 inserted in the linear cavity 13, a second flange plate 21 is coaxially and fixedly connected to the middle position of the mounting sleeve 2, and a fixing bolt 22 which is in threaded connection with the first flange plate 17 passes through the second flange plate 21. The lower part of the mounting sleeve 2 is inserted into the linear cavity 13, the outer peripheral wall of the lower part of the mounting sleeve 2 is abutted against the inner peripheral wall of the linear cavity 13, and the inner peripheral wall of the upper part of the mounting sleeve 2 is provided with internal threads.

Referring to fig. 1 and 3, the throttle body 1 is provided with a control core 3 for controlling the flow of ethylene oxide in the throttle chamber 11, and the control core 3 includes a tapered stem 31 inserted into the tapered chamber 12 in an axial sliding manner, a seal post 32 coaxially and fixedly connected to the upper end of the tapered stem 31, and a stud 33 coaxially and fixedly connected to the seal post 32. The conical stem 31 is adapted to the conical cavity 12, the sealing post 32 is slidably inserted in the mounting sleeve 2 in the axial direction, and the outer circumferential wall of the stud 33 has an external thread screwed to the internal thread of the mounting sleeve 2. The seal groove 321 is formed in the outer peripheral wall of the seal post 32, and the seal post 32 is provided with a seal ring 322 which is embedded in the seal groove 321 and abuts against the inner peripheral wall of the mounting sleeve 2.

The end of the stud 33, which is far away from the sealing post 32, is coaxially and fixedly connected with a connecting post 34, and the connecting post 34 is externally arranged on the mounting sleeve 2. The coaxial fixed cover of spliced pole 34 is equipped with pointer sleeve 35, and the lower part cover of pointer sleeve 35 is located installation sleeve 2, and the periphery wall of pointer sleeve 35 is provided with the pilot line, and the periphery wall of installation sleeve 2 is provided with the scale mark.

Referring to fig. 1 and 3, the throttle body 1 is coaxially and fixedly sleeved with a heating cover 4, a heating cavity 19 is formed between the inner peripheral wall of the heating cover 4 and the outer wall of the throttle body 1, and the heat exchange fins 16 are arranged in the heating cavity 19. In this embodiment, the heating mantle 4 includes an upper sealing plate 41 coaxially and fixedly sleeved on the upper portion of the throttle body 1, a lower sealing plate 42 coaxially and fixedly sleeved on the lower portion of the throttle body 1, and a heating jacket 43 coaxially and fixedly connected between the upper sealing plate 41 and the lower sealing plate 42, wherein the lower end surface of the upper sealing plate 41 abuts against the upper end surface of the limiting ring 18. The feed tube 14 is threaded through the heating mantle 43. The outer wall of the heating mantle 4 is provided with a connecting piece 6, the connecting piece 6 comprises a connecting transverse plate 61 fixedly connected to the outer peripheral walls of the upper sealing plate 41 and the lower sealing plate 42 and a connecting vertical plate 62 fixedly connected to the connecting transverse plate 61, and the connecting vertical plate 62 is provided with a fastening piece 63 in a penetrating manner, and specifically, the fastening piece 63 is a bolt.

The heating jacket 43 is provided with a delivery assembly for delivering a heating medium to the heating chamber 19, which in this embodiment is hot water, effectively explosion-proof, and in other embodiments may be a medium such as hot gas or hot oil that can exchange heat. The conveying assembly comprises a heating box (not shown in the figure) for heating the heating medium, a medium inlet pipe 51 and a medium outlet pipe 52, wherein the medium inlet pipe 51 and the medium outlet pipe 52 are fixedly arranged on the peripheral wall of the heating sleeve 43 in a penetrating mode and are communicated with the heating cavity 19, the medium inlet pipe 51 and the medium outlet pipe 52 are symmetrically arranged along the axis of the heating sleeve 43, the medium inlet pipe 51 and the medium outlet pipe 52 are communicated with the heating box, and the medium inlet pipe 51 conveys the heating medium in the heating box into the heating cavity 19 through a medium pump.

The implementation principle of the vaporization throttle valve in the embodiment of the application is as follows: after the heating box heats the heating medium, the medium pump provides conveying power for the medium inlet pipe 51, the heating medium is conveyed into the heating cavity 19, and the heat of the heating medium is transferred to the side wall of the throttle valve body 1 and the side wall of the feeding pipe 14, so that the whole throttle valve body 1 and the feeding pipe 14 are heated, the temperature of the whole throttle valve body 1 and the feeding pipe 14 is raised, on one hand, the vaporization efficiency of ethylene oxide in the throttle cavity 11 and the feeding pipe 14 is improved, and on the other hand, the possibility that the inner wall of the feeding pipe 14 and the inner wall of the throttle cavity 11 are frozen and frosted when the ethylene oxide is vaporized is effectively reduced, and the possibility that the feeding pipe 14, the throttle valve body 1 and the discharging pipe 15 are blocked is reduced; after the heating medium subjected to heat exchange flows back to the heating box through the medium outlet pipe 52 to be heated again, the heating medium enters the heating cavity 19 again through the medium inlet pipe 51, so that the circulating heating is realized, the continuous heating of the feeding pipe 14 and the throttle body 1 is ensured, the use is safe, and the risk of explosion of ethylene oxide is effectively reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A vaporization throttle valve, characterized by: including throttle body (1) with throttle chamber (11), throttle body (1) are provided with feed pipe (14) and discharging pipe (15) that communicate in throttle chamber (11) in order to carry ethylene oxide, throttle body (1) are provided with control core (3) of control throttle chamber (11) interior ethylene oxide flow, throttle body (1) cover is equipped with heating mantle (4), forms heating chamber (19) between the inner peripheral wall of heating mantle (4) and the outer wall of throttle body (1), and heating mantle (4) are worn to locate by feed pipe (14), heating mantle (4) are provided with the conveying subassembly to heating medium is carried in heating chamber (19).

2. A vaporization throttle valve according to claim 1, characterized in that: the conveying assembly comprises a medium inlet pipe (51) which is arranged on the heating cover (4) and communicated with the heating cavity (19).

3. A vaporization throttle valve according to claim 2, characterized in that: the conveying assembly further comprises a heating box for heating the heating medium, and the medium inlet pipe (51) conveys the heating medium in the heating box into the heating cavity (19) through the medium pump.

4. A vaporization throttle valve according to claim 3, characterized in that: the conveying assembly further comprises a medium outlet pipe (52) which is arranged on the heating cover (4) and communicated with the heating cavity (19), and the medium outlet pipe (52) is connected to the heating box.

5. A vaporization throttle valve according to claim 1, characterized in that: the outer peripheral wall of the throttle body (1) is fixedly connected with a plurality of heat exchange plates (16) which are internally arranged in the heating cavity (19).

6. A vaporization throttle valve according to claim 1, characterized in that: the outer wall of the heating cover (4) is provided with a connecting piece (6), and the connecting piece (6) is provided with a fastener (63) in a penetrating way.

7. A vaporization throttle valve according to claim 1, characterized in that: the throttle chamber (11) comprises a conical chamber (12) and a linear chamber (13) communicated with the conical chamber (12), the linear chamber (13) extends to one end of the throttle valve body (1), one end, close to the linear chamber (13), of the conical chamber (12) is a large end, one end, far away from the linear chamber (13), of the conical chamber (12) is a small end, the throttle valve body (1) is detachably connected with an installation sleeve (2) inserted into the linear chamber (13), the control core (3) comprises a conical core column (31) inserted into the conical chamber (12) along the axial sliding direction and a stud (33) coaxially and fixedly connected with the conical core column (31), the stud (33) is threaded through the installation sleeve (2), the feed pipe (14) is communicated with the linear chamber (13), and the discharge pipe (15) is communicated with the small end of the conical chamber (12).

8. A vaporization throttle valve as set forth in claim 7 wherein: one end coaxial fixedly connected with that toper stem (31) was kept away from to double-screw bolt (33) is external in spliced pole (34) of installation sleeve (2), spliced pole (34) coaxial sleeve is equipped with pointer sleeve (35), and installation sleeve (2) are located to pointer sleeve (35) cover, and the periphery wall of pointer sleeve (35) is provided with the pilot line, and the periphery wall of installation sleeve (2) is provided with the scale mark.

9. A vaporization throttle valve as set forth in claim 7 wherein: the control core body (3) further comprises a sealing column (32) fixedly connected between the stud (33) and the conical core column (31), the sealing column (32) is slidably inserted into the mounting sleeve (2), and the sealing column (32) is fixedly sleeved with a sealing ring (322) which is abutted to the inner peripheral wall of the mounting sleeve (2).