CN214619008U

CN214619008U - Limiting device of acetylene gas cabinet

Info

Publication number: CN214619008U
Application number: CN202120617713.8U
Authority: CN
Inventors: 倪学仁; 田海峰; 钱维; 吴妹
Original assignee: TAICANG JINYANG GAS CO Ltd
Current assignee: TAICANG JINYANG GAS CO Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-05
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to a stop device of acetylene gas holder, including the gas holder, gas holder upper reaches end intercommunication has acetylene generator, the gas holder includes the base, fixed tower festival, sliding connection is at inboard movable tower festival and the bell jar of fixed tower festival, the fixed tower festival outside is equipped with the guide rail seat of installing on the base, guide rail seat longitudinal sliding is connected with the slide bar, the slide bar bottom is equipped with the spacing portion of sliding connection in the guide rail seat, the low level of spacing portion is equipped with the contact induction piece, the inside low level of guide rail seat corresponds respectively with the high level and is equipped with the first contact switch with contact induction piece response, second contact switch, first contact switch and second contact switch electric connection have the controller, acetylene generator is connected with material pipeline and inlet channel, install the material valve on the material pipeline, install the water intaking valve on the inlet channel. The utility model discloses can effectively promote acetylene gas holder's safe operation, the good reliability, the direction is spacing stable.

Description

Limiting device of acetylene gas cabinet

Technical Field

The utility model relates to an acetylene production technical field, concretely relates to stop device of acetylene gas holder.

Background

In the acetylene production process, an acetylene gas cabinet is used for balancing the gas production amount of a generator and stabilizing the air suction amount of a compressor, the air pressure balance in the acetylene gas cabinet is particularly important, when the air pressure is too high, the acetylene gas cannot be prevented from overflowing and leaking, waste is caused, and safety accidents such as fire, explosion and the like can occur when naked fire or thunder occurs; when the gas tank is too low, the gas tank is easy to be pumped out and deflated, so that equipment is damaged and parking accidents are caused. In actual production process, the gas holder needs to set up the control line and carries out the feeding volume of control generator, and gas holder internal gas pressure is too high, reduces the feeding volume of generator, reduces the gas production volume, and gas holder internal gas pressure is low excessively, increases the feeding volume of generator, promotes the gas production volume to satisfy the gas consumption of compressor, avoid damaging production facility. In the prior art, the feeding amount of a generator is controlled by the lifting height of a steel cable pulley block reaction gas holder, in actual operation, the steel cable pulley block is unstable in matching, potential safety hazards exist, a pressure sensor is arranged in the gas holder, in actual operation, acetylene gas is in a humid acid environment inside the gas holder (the gas holder contains more acid gases such as water, hydrogen sulfide and the like), after the pressure sensor operates for a long time, the air tightness of the pressure sensor is unreliable, an internal sensitive device generates oxidation reaction, the sensitivity of the sensor is reduced, and the poor reliability needs to be changed in time and periodically.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model provides a stop device of acetylene gas cabinet effectively promotes the safe operation of acetylene gas cabinet, and the good reliability leads spacingly stably.

The utility model provides a following technical scheme:

a limiting device of an acetylene gas cabinet comprises a gas cabinet, wherein an upstream end of the gas cabinet is communicated with an acetylene generator, the gas cabinet comprises a base, a fixed tower section arranged at the upper end of the base, a movable tower section which is connected to the inner side of the fixed tower section in a sliding manner, and a bell jar arranged at the top of the movable tower section, an inner cavity of the fixed tower section is communicated with an inner cavity of the movable tower section in a sealing manner, a guide rail seat arranged on the base is arranged at the outer side of the fixed tower section, the guide rail seat is at least provided with two guide rails and is opposite to the center position of the fixed tower section in a surrounding manner, each guide rail seat is longitudinally and slidably connected with a slide bar, each slide bar is fixedly connected with the movable tower section through a connecting seat, a top plate is arranged at the upper end of the bell jar, each slide bar is connected with the top plate through a fixed joint and a support rod, and a limiting part which is slidably connected in the guide rail seat is arranged at the bottom of the slide bar, the low level of spacing portion is equipped with the contact response piece, the inside low level of guide rail seat corresponds respectively with the high-order and is equipped with first contact switch, the second contact switch with the contact response piece response, first contact switch and second contact switch electric connection have the controller, acetylene gas generator is connected with material pipeline and inlet channel, install the material valve on the material pipeline, install the water intaking valve on the inlet channel, controller electric connection material valve and water intaking valve.

Preferably, the gas holder is communicated with a gas chamber for balancing gas pressure of the gas holder through a gas flow passage, two ends of the gas flow passage are respectively connected with the gas holder and the gas chamber in a sealing manner, and the gas flow passage is provided with a gas valve switch electrically connected with the controller.

Preferably, a piston block is slidably connected within the air chamber.

Preferably, a longitudinal guide groove is formed in the fixed tower section, a sliding block is arranged at the bottom end of the movable tower section, the sliding block is connected in the guide groove in a sliding mode, the upper end and the lower end of the sliding block correspond to a second limiting spring and a first limiting spring respectively, and the second limiting spring and the other end of the first limiting spring are fixedly connected to the fixed tower section.

Preferably, an air spring for buffering the impact of the limiting part is arranged in the guide rail seat.

Preferably, a threshold comparison unit and a record storage unit are arranged in the controller.

The utility model has the advantages that:

(1): the lifting height of the movable tower section is changed through air pressure, the movable tower section drives the sliding rod to longitudinally displace, a limiting block at the bottom of the sliding rod slides in the guide rail seat, the first contact switch and the second contact switch respectively sense the contact induction sheet to realize opening and closing and feed back to the controller, the controller adjusts the feeding amount of materials and water in the acetylene generator to control the air pressure in the air cabinet, the reliability is high, the air pressure in the air cabinet can be further adjusted through the air chamber, the air valve switch is controlled through the controller to open the air flow channel, the balance and compensation of the air pressure in the air cabinet are realized, and the reliability of the device is enhanced;

(2): when the air pressure changes, the sliding block slides in the guide groove, the fixed tower section forms positioning guide for the movable tower section, and the first limiting spring and the second limiting spring between the fixed tower section and the sliding block limit the movement of the movable tower section, so that the impact of the air pressure change movable tower section on the fixed tower section is avoided, and the guide limit is stable;

(3): the guide rail seat wraps the contact switch and the contact induction sheet to form protection, interference of external factors is avoided, impact of the spacing part on the guide rail seat when air pressure changes is reduced through air spring buffering, normal operation of the device is promoted, and reliability is high.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

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

FIG. 2 is a schematic structural view of the guide rail seat and the slide bar of the present invention;

fig. 3 is a schematic view of the fixed tower section and the movable tower section of the present invention.

The labels in the figure are: 100-gas holder; 110-a base; 120-fixed tower sections; 121-a first limit spring; 122-a second limit spring; 123-a guide groove; 130-movable tower sections; 131-a slider; 140-a bell jar; 141-a top plate; 142-a strut; 143-fixed joints; 150-a rail seat; 151-first contact switch; 152-a second contact switch; 153-gas spring; 160-a slide bar; 161-a limiting part; 162-contact sensing pads; a 200-acetylene generator; 210-a material conduit; 211-material valve; 220-a water inlet pipeline; 221-a water inlet valve; 300-air chamber; 310-a piston block; 320-a gas flow channel; 321-an air valve switch; 400-a controller.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present embodiment provides a limiting device for an acetylene gas holder, including a gas holder 100, an acetylene generator 200 is connected to an upstream end of the gas holder 100, the gas holder 100 includes a base 110, a fixed tower section 120 disposed at an upper end of the base 110, a movable tower section 130 slidably connected to an inner side of the fixed tower section, and a bell jar 140 disposed at a top of the movable tower section 130, an inner cavity of the fixed tower section 120 is hermetically communicated with an inner cavity of the movable tower section 130, a guide rail seat 150 mounted on the base 110 is disposed at an outer side of the fixed tower section 120, the guide rail seat 150 is at least provided with two guide rails and disposed around a central position of the fixed tower section 120, each guide rail seat 150 is longitudinally and slidably connected with a slide bar 160, each slide bar 160 is fixedly connected to the movable tower section 130 through a connecting seat, a top plate 141 is mounted at an upper end of the bell jar 140, each slide bar 160 is connected to the top plate 141 through a fixed joint 143 and a support bar 142, a limiting portion 161 slidably connected to the guide rail seat 150 is disposed at a bottom of the slide bar 160, the lower position of the limiting part 161 is provided with a contact sensing piece 162, the lower position and the upper position inside the guide rail seat 150 are respectively and correspondingly provided with a first contact switch 151 and a second contact switch 152 which are sensed by the contact sensing piece 162, the first contact switch 151 and the second contact switch 152 are electrically connected with a controller 400, the acetylene generator 200 is connected with a material pipeline 210 and a water inlet pipeline 220, the material pipeline 210 is provided with a material valve 211, the water inlet pipeline 220 is provided with a water inlet valve 221, and the controller 400 is electrically connected with the material valve 211 and the water inlet valve 221.

In some embodiments, the gas holder 100 is communicated with the gas chamber 300 for balancing the gas pressure of the gas holder 100 through a gas channel 320, two ends of the gas channel 320 are respectively connected to the gas holder 100 and the gas chamber 300 in a sealing manner, and the gas channel 320 is provided with a gas valve switch 321 electrically connected to the controller 400.

In some embodiments, a piston block 310 is slidably coupled within the air chamber 300, and the piston block 310 moves under the air pressure when the air pressure within the air chamber 300 changes.

In some embodiments, a gas spring 153 for buffering the impact of the position-limiting portion 161 is disposed in the rail seat 150, and the gas spring 153 is disposed at a position above and below the position-limiting portion 161 in the inner cavity of the rail seat 150 to cope with the impact.

In some embodiments, a threshold comparison unit and a record storage unit are provided within the controller 400.

Referring to fig. 3, a longitudinal guide groove 123 is formed in the fixed tower section 120, a sliding block 131 is disposed at the bottom end of the movable tower section 130, the sliding block 131 is slidably connected in the guide groove 123, the upper end and the lower end of the sliding block 131 are respectively and fixedly connected with a second limiting spring 122 and a first limiting spring 121, the second limiting spring 122 and the other end of the first limiting spring 121 are fixedly connected to the fixed tower section 120, when the air pressure changes, the sliding block 131 slides in the guide groove 123, the fixed tower section 120 forms positioning guide for the movable tower section 130, the first limiting spring 121 and the second limiting spring 122 between the fixed tower section 120 and the sliding block 131 limit the movement of the movable tower section 130, and the impact of the movable tower section 130 on the fixed tower section 120 due to the air pressure change is avoided.

The working principle of the utility model is as follows, the gas holder 100 collects the gas from the acetylene generator 200, the gas holder 100 supplies the gas to the compressor of the subsequent link, when the gas generated by the acetylene generator 200 is unbalanced, the gas pressure in the gas holder 100 changes, the movable tower section 130 goes up and down under the change of the gas pressure, the movable tower section 130 drives the slide bar 160 to move in the longitudinal direction through the connection, the stopper 161 at the bottom of the slide bar 160 slides in the guide rail seat 150, the first contact switch 151 and the second contact switch 152 respectively sense the contact sensing piece 162 moving in the longitudinal direction to realize the opening and closing, and feed back to the controller 400, the controller 400 adjusts the feeding amount of the materials and the water in the acetylene generator 200, the material valve 211 controls the material pipe 210 feeding amount (calcium carbide feeding amount), the water inlet valve 221 controls the water inlet pipe 220 water flow, the gas generated by the acetylene generator 200 is adjusted, thereby controlling the gas pressure in the gas holder 100, concretely, under normal conditions, the longitudinal stroke of the contact sensing piece 162 is between the first contact switch 151 and the second contact switch 152, when the air pressure in the air cabinet 100 is increased to cause the second contact switch 152 to sense the contact sensing piece 162, the material valve 211 reduces the feeding amount of the material pipeline 210, the water inlet valve 221 reduces the water inlet amount of the water inlet pipeline 220, the gas generation of the acetylene generator 200 is reduced, the air cabinet 100 returns to normal air pressure, otherwise, the air pressure is reduced and increased, further, the air pressure in the air cabinet 100 can be adjusted through the air chamber 300, the contact time of the first contact switch 151 and the second contact switch 152 sensing the contact sensing piece 162 is long, the air pressure change range is large, the threshold value comparison unit works to generate excitation, the controller 400 controls the air valve switch 321 to open the air flow channel 320, and balance and compensation of the air pressure in the air cabinet 100 are realized; the recording and storing unit records the working condition of the contact switch reflecting the change of the air pressure in the gas holder 100 for comparison and reference of operators.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a stop device of acetylene gas holder, includes gas holder (100), gas holder (100) upstream end intercommunication has acetylene gas generator (200), its characterized in that: the gas holder (100) comprises a base (110), a fixed tower section (120) arranged at the upper end of the base (110), a movable tower section (130) connected to the inner side of the fixed tower section in a sliding manner and a bell jar (140) arranged at the top of the movable tower section (130), the inner cavity of the fixed tower section (120) is communicated with the inner cavity of the movable tower section (130) in a sealing manner, a guide rail seat (150) arranged on the base (110) is arranged on the outer side of the fixed tower section (120), at least two guide rail seats (150) are arranged and are arranged around the central position of the fixed tower section (120), each guide rail seat (150) is longitudinally and slidably connected with a sliding rod (160), each sliding rod (160) is fixedly connected with the movable tower section (130) through a connecting seat, a top plate (141) is arranged at the upper end of the bell jar (140), each sliding rod (160) is connected with the top plate (141) through a fixed joint (143) and a supporting rod (142), slide bar (160) bottom is equipped with sliding connection and is in spacing portion (161) in guide rail seat (150), the low level of spacing portion (161) is equipped with contact induction piece (162), the inside low level of guide rail seat (150) corresponds respectively with the high level and is equipped with first contact switch (151), second contact switch (152) with contact induction piece (162) response, first contact switch (151) and second contact switch (152) electric connection have controller (400), acetylene generator (200) are connected with material pipeline (210) and inlet channel (220), install material valve (211) on material pipeline (210), install water intaking valve (221) on inlet channel (220), controller (400) electric connection material valve (211) and water intaking valve (221).

2. The limiting device of the acetylene gas holder according to claim 1, characterized in that: the gas cabinet (100) is communicated with a gas chamber (300) used for balancing the gas pressure of the gas cabinet (100) through a set gas flow passage (320), two ends of the gas flow passage (320) are respectively connected with the gas cabinet (100) and the gas chamber (300) in a sealing mode, and a gas valve switch (321) electrically connected with the controller (400) is installed on the gas flow passage (320).

3. The limiting device of the acetylene gas holder according to claim 2, characterized in that: a piston block (310) is connected in the air chamber (300) in a sliding mode.

4. The limiting device of the acetylene gas holder according to claim 1, characterized in that: be equipped with fore-and-aft guide way (123) in fixed tower section (120), activity tower section (130) bottom is equipped with sliding block (131), sliding block (131) sliding connection be in guide way (123), the upper and lower end of sliding block (131) corresponds fixedly connected with second spacing spring (122), first spacing spring (121) respectively, the other end fixed connection of second spacing spring (122) and first spacing spring (121) is in on fixed tower section (120).

5. The limiting device of the acetylene gas holder according to claim 1, characterized in that: and a gas spring (153) for buffering the impact of the limiting part (161) is arranged in the guide rail seat (150).

6. The limiting device of the acetylene gas holder according to claim 1, characterized in that: the controller (400) is internally provided with a threshold comparison unit and a record storage unit.