CN112443718A

CN112443718A - Gas pressure reducing device with hot gas cooling function

Info

Publication number: CN112443718A
Application number: CN202011120690.6A
Authority: CN
Inventors: 汪先钱
Original assignee: Zhuji Hanjie Mechanical Parts Co ltd
Current assignee: Zhuji Hanjie Mechanical Parts Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-03-05

Abstract

The invention discloses a gas pressure reducing device with a hot gas cooling function, which belongs to the technical field of gas pressure reduction and comprises an isobaric tube, a pressure relief tube and a cooling tube, wherein the isobaric tube, the pressure relief tube and the cooling tube are assembled and connected, the isobaric tube is hermetically connected to equipment, the outer side wall of the isobaric tube is provided with an overvoltage protection component, an automatic pressure relief component is arranged in the pressure relief tube, and a heat energy recovery component is arranged on the cooling tube; can realize automatic pressure release operation, ensure the safe operation of equipment, utilize the effect of water liquid circulation to take away the heat, realize the cooling to gas, also can heat water liquid simultaneously, realize the recovery of gaseous heat energy, energy-concerving and environment-protective, can change the automatic amplitude of pressure release in the isobaric tube according to the compression degree of spring, when clearance between piston b and the pressure release passageway is crescent, the rate of pressure release improves gradually, stagger the back with the pressure release passageway when piston b is complete, the rate of pressure release is the maximize.

Description

Gas pressure reducing device with hot gas cooling function

Technical Field

The invention belongs to the technical field of gas pressure reduction, and particularly relates to a gas pressure reduction device with a hot gas cooling function.

Background

The gas is a compressible and expandable fluid with no shape and volume, the gas is a fluid in a state of matter, the gas is the same as the liquid, and different from the liquid, the gas has large distance between molecules and can be compressed and expanded, atoms or molecules of gaseous substances can move freely, kinetic energy of the atoms or molecules of the gaseous substances is high, and the gas form can be influenced by the volume, the temperature and the pressure.

At present, some equipment need operate under airtight state, when equipment is inherent to heat, can make the inside atmospheric pressure of equipment increase, in case the inside atmospheric pressure of equipment is too high, then produce the potential safety hazard easily, and parts such as current relief valve can't carry out heat recovery to the gas after the pressure release, cause the energy extravagant.

Disclosure of Invention

The present invention is directed to a gas pressure reducing device with a hot gas cooling function to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a gaseous pressure relief device with hot gas cooling function, includes isobaric pipe, pressure release pipe and cooling tube, be assembled between isobaric pipe, pressure release pipe and the cooling tube and be connected, isobaric pipe sealing connection is on equipment, the lateral wall of isobaric pipe is equipped with the overvoltage protection part, be equipped with automatic pressure release part in the pressure release pipe, be equipped with heat recovery part on the cooling tube, baroceptor is installed to the inside wall of isobaric pipe.

The scheme is as follows:

the type of the air pressure sensor can be specifically MIK-P300; the model of the motor can be 39BYG 205-A-35; the water pump may be wzb in particular.

The polyurethane high-temperature-resistant piston is formed by pouring high-quality polyurethane, and has the advantages of wear resistance, high temperature resistance, acid and alkali resistance, impact resistance, long service life, durability and the like.

The flexible heat conducting pad is a heat conducting liner with thickness, the base materials used at present are basically silicon rubber and foamed rubber, the silicon rubber has the characteristics of good elasticity, and the foamed rubber has the characteristics of large deformation range, good heat conducting effect and higher pressure-resistant grade.

As a preferred embodiment, overvoltage protection part includes the casing with isobaric outside of tubes lateral wall rigid coupling, and the casing internal fixation has fixed cover, fixed cover endotheca is equipped with the push rod, the one end rigid coupling of push rod has piston a, the other end rigid coupling of push rod has the movable plate, and the movable plate keeps away from the one end rigid coupling of a side of push rod and spring, the rigid coupling has the stripper plate on the other end of spring, motor switch is installed to the inside wall of casing.

As a preferred embodiment, the overvoltage protection component further comprises an adjusting screw which is spirally connected to the inside of the screw hole on one side of the shell, a hand wheel is welded at one end of the adjusting screw which is located on the outer side of the shell, and one end of the adjusting screw which is located on the inner side of the shell is rotatably connected with one side face, far away from the spring, of the extrusion plate.

As a preferred embodiment, automatic pressure relief spare is including installing the piston seat at the pressure relief pipe inside wall, piston jack has been seted up on the piston seat, and has connect piston b in the piston jack interpolation, piston b passes through the one end of connecting piece rigid coupling at the double-screw bolt, the lateral wall spiral of double-screw bolt rotates and is connected with the swivel nut, and the swivel nut rotates and connects in the bearing, the bearing joint is on the fixed plate, the fixed plate rigid coupling is in the inside of pressure relief pipe, the lateral wall of swivel nut has set firmly driven gear, and driven gear meshes with the driving gear mutually, the driving gear rigid coupling is on the output shaft of motor, the inside wall at the pressure relief pipe is installed to the motor, motor and motor switch electric connection.

In a preferred embodiment, a plurality of pressure relief channels are formed in the piston seat, and a pressure relief hole is formed in the piston b.

As a preferred embodiment, the heat energy recovery part comprises a heat pipe embedded in the inner side wall of the cooling pipe, one end of the heat pipe is communicated with the water pump through a connecting pipe, the water pump is communicated with one end of the water inlet pipe, and the other end of the heat pipe is communicated with one end of the water outlet pipe.

As a preferred embodiment, the thermal energy recovery component further includes a thermal cushion layer attached to an inner side wall of the cooling tube, and an air guide plate fixedly arranged inside the cooling tube, where the thermal cushion layer is made of a flexible thermal cushion, and the air guide plate and the thermal tube are both spiral.

In a preferred embodiment, the piston a and the piston b are both made of polyurethane high-temperature resistant pistons.

Compared with the prior art, the gas pressure reducing device with the hot gas cooling function provided by the invention at least has the following beneficial effects:

(1) the isobaric tube is communicated with the inside of the equipment, gas is in an isobaric state, when the air pressure in the isobaric tube is too high along with the operation of the equipment, the piston a is pushed to move under the action of the air pressure, when the piston a touches a motor switch, the motor is started to operate, an output shaft of the motor rotates and drives the threaded sleeve to rotate through the driving gear and the driven gear, the screw rod further moves and drives the piston b to be drawn out from the piston jack, and the pressure relief channel is communicated with the pressure relief hole to perform pressure relief work, so that automatic pressure relief work can be realized, and the safe operation of the equipment is ensured;

(2) the decompressed gas enters the cooling pipe, the flowing speed of the gas is slowed down under the action of the gas guide plate, meanwhile, heat on the gas is transferred to the heat conduction pipe through the heat conduction cushion layer, the heat is taken away by utilizing the circulation effect of water liquid, the gas is cooled, the water liquid can be heated, the heat energy of the gas is recovered, and the energy-saving and environment-friendly effects are achieved;

(3) the adjusting screw rod can be rotated through the hand wheel, the adjusting screw rod is driven to move under the action of the screw hole, when the adjusting screw rod drives the extrusion plate to move towards the inner side of the shell, the compression degree of the spring is improved, similarly, when the adjusting screw rod drives the extrusion plate to move towards the outer side of the shell, the compression degree of the spring is reduced, and the amplitude of automatic pressure relief in the isobaric tube can be changed according to the compression degree of the spring;

(4) when piston b takes out from the piston jack gradually, can adjust the speed of pressure release according to piston b's degree of taking out, when clearance between piston b and the pressure release passageway increases gradually, the speed of pressure release improves gradually, staggers the back when piston b completely and pressure release passageway, and the speed of pressure release is the maximize.

Drawings

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

FIG. 2 is a schematic structural view, partially in section, of the present invention;

FIG. 3 is a schematic structural diagram of an overvoltage protection component of the invention;

fig. 4 is an enlarged schematic view of the structure of the present invention at a.

In the figure: 1. an isobaric tube; 2. a pressure relief pipe; 3. a cooling tube; 4. an overvoltage protection component; 401. a housing; 402. a screw hole; 403. adjusting the screw rod; 404. a hand wheel; 405. a pressing plate; 406. a spring; 407. moving the plate; 408. a push rod; 409. fixing a sleeve; 410. a piston a; 411. a motor switch; 5. an automatic pressure relief component; 501. a piston seat; 502. a piston jack; 503. a piston b; 504. a pressure relief vent; 505. a pressure relief channel; 506. a connecting member; 507. a stud; 508. a threaded sleeve; 509. a bearing; 510. a fixing plate; 511. a driven gear; 512. a driving gear; 513. a motor; 6. a thermal energy recovery component; 601. a water pump; 602. a water inlet pipe; 603. a connecting pipe; 604. a heat conducting pipe; 605. a thermally conductive cushion layer; 606. a gas guide plate; 607. a water outlet pipe; 7. an air pressure sensor.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-4, the present invention provides a gas pressure reducing device with a hot gas cooling function, including an isobaric tube 1, a pressure relief tube 2 and a cooling tube 3, the isobaric tube 1, the pressure relief tube 2 and the cooling tube 3 are assembled and connected, the isobaric tube 1 is hermetically connected to a device, an outer side wall of the isobaric tube 1 is provided with an overpressure protection component 4, the overpressure protection component 4 includes a housing 401 fixedly connected to an outer side wall of the isobaric tube 1, a fixing sleeve 409 is fixedly disposed in the housing 401, a push rod 408 is sleeved in the fixing sleeve 409, one end of the push rod 408 is fixedly connected to a piston a410, the other end of the push rod 408 is fixedly connected to a movable plate 407, a side surface of the movable plate 407 far away from the push rod 408 is fixedly connected to one end of a spring 406, the other end of the spring 406 is fixedly connected to a pressing plate 405; the isobaric pipe 1 is communicated with the inside of the equipment, gas is in an isobaric state, when the air pressure in the isobaric pipe 1 is too high along with the operation of the equipment, the piston a410 is pushed to move under the action of the air pressure, and when the piston a410 touches the motor switch 411, the motor 513 is started to operate, so that the automatic pressure relief function can be achieved.

The overvoltage protection component 4 further comprises an adjusting screw 403 which is spirally and rotatably connected inside a screw hole 402 on one side of the housing 401, a hand wheel 404 is welded at one end of the adjusting screw 403 which is positioned outside the housing 401, and one end of the adjusting screw 403 which is positioned inside the housing 401 is rotatably connected with one side surface of the extrusion plate 405 which is far away from the spring 406 (see fig. 1, 2 and 3); the adjusting screw 403 can be rotated through the hand wheel 404, the adjusting screw 403 is driven to move under the action of the screw hole 402, when the adjusting screw 403 drives the extrusion plate 405 to move towards the inner side of the shell 401, the compression degree of the spring 406 is improved at the moment, and similarly, when the adjusting screw 403 drives the extrusion plate 405 to move towards the outer side of the shell 401, the compression degree of the spring 406 is reduced at the moment, and the amplitude of automatic pressure relief in the isobaric tube 1 can be changed according to the compression degree of the spring 406.

An automatic pressure relief component 5 is arranged in the pressure relief pipe 2, the automatic pressure relief component 5 comprises a piston seat 501 arranged on the inner side wall of the pressure relief pipe 2, a piston jack 502 is arranged on the piston seat 501, a piston b503 is inserted in the piston jack 502, the piston b503 is fixedly connected to one end of a stud 507 through a connecting piece 506, the outer side wall of the stud 507 is spirally and rotatably connected with a threaded sleeve 508, the threaded sleeve 508 is rotatably connected in a bearing 509, the bearing 509 is clamped on a fixing plate 510, the fixing plate 510 is fixedly connected in the pressure relief pipe 2, a driven gear 511 is fixedly arranged on the outer side wall of the threaded sleeve 508, the driven gear 511 is meshed with a driving gear 512, the driving gear 512 is fixedly connected on an output shaft of a motor 513, the motor 513 is arranged on the inner side wall of the pressure relief pipe 2, and; when the motor 513 operates, the output shaft of the motor 513 rotates and drives the threaded sleeve 508 to rotate through the driving gear 512 and the driven gear 511, so that the screw moves and drives the piston b503 to be drawn out from the piston jack 502, and when the pressure relief channel 505 is communicated with the pressure relief hole 504, the pressure relief operation can be performed, the automatic pressure relief operation can be realized, and the safe operation of the equipment can be ensured.

A plurality of pressure relief channels 505 are formed in the piston seat 501, and a pressure relief hole 504 (see fig. 2) is formed in the piston b 503; after the pressure relief channel 505 is communicated with the pressure relief hole 504, air can be exhausted through the pressure relief channel 505 and the pressure relief hole 504, and the purpose of pressure relief is achieved.

A heat energy recovery part 6 is arranged on the cooling pipe 3, the heat energy recovery part 6 comprises a heat conduction pipe 604 embedded in the inner side wall of the cooling pipe 3, one end of the heat conduction pipe 604 is communicated with the water pump 601 through a connection pipe 603, the water pump 601 is communicated with one end of a water inlet pipe 602, and the other end of the heat conduction pipe 604 is communicated with one end of a water outlet pipe 607 (see fig. 1 and 2); gas after the pressure release gets into cooling tube 3, utilizes the effect of water liquid circulation to take away the heat, realizes the cooling to gas, also can heat water liquid simultaneously, realizes the recovery of gaseous heat energy, and is energy-concerving and environment-protective.

The heat energy recovery component 6 further comprises a heat conduction cushion 605 adhered to the inner side wall of the cooling pipe 3 and an air guide plate 606 fixedly arranged inside the cooling pipe 3, the heat conduction cushion 605 is specifically made of a flexible heat conduction cushion, and the air guide plate 606 and the heat conduction pipe 604 are both in a spiral shape (see fig. 2); slow down gaseous flow velocity under the effect of air guide 606, the heat can transmit heat pipe 604 through heat conduction cushion 605 on the gas simultaneously, improves gaseous cooling effect, and the efficiency of heat conduction is better simultaneously, and heat recovery rate is better.

Both the piston a410 and the piston b503 adopt polyurethane high-temperature resistant pistons (see fig. 2 and 3); has the advantages of wear resistance, high temperature resistance, acid and alkali resistance, impact resistance, long service life, durability and the like.

An air pressure sensor 7 is arranged on the inner side wall of the isobaric tube 1.

When the device is used, the device is firstly installed on working equipment, the isobaric tube 1 is communicated with the inside of the equipment, gas is in an isobaric state, when the air pressure in the isobaric tube 1 is too high along with the operation of the equipment, the piston a410 is pushed to move under the action of the air pressure, when the piston a410 touches the motor switch 411, the motor 513 is started to operate, an output shaft of the motor 513 rotates and drives the threaded sleeve 508 to rotate through the driving gear 512 and the driven gear 511, under the spiral transmission action of the threaded sleeve 508 and the threaded rod, the threaded rod moves and drives the piston b503 to be drawn out from the piston jack 502, when the pressure relief channel 505 is communicated with the pressure relief hole 504, the pressure relief work can be carried out, the decompressed gas enters the cooling tube 3, the flow speed of the gas is slowed down under the action of the air guide plate 606, meanwhile, heat on the gas is transferred to the heat conduction pipe 604 through the heat conduction cushion, when the water circulation is carried out, the heat is taken away by the action of the water circulation, so as to cool the gas, and simultaneously, the water can be heated, so as to recycle the heat energy of the gas, the adjusting screw 403 can be rotated by the hand wheel 404 during the use, the adjusting screw 403 is driven to move under the action of the screw hole 402, when the extruding plate 405 is driven by the adjusting screw 403 to move towards the inner side of the shell 401, the compression degree of the spring 406 is improved, similarly, when the extruding plate 405 is driven by the adjusting screw 403 to move towards the outer side of the shell 401, the compression degree of the spring 406 is reduced, the amplitude of automatic pressure relief in the isobaric tube 1 can be changed according to the compression degree of the spring 406, meanwhile, when the piston b503 is gradually extracted from the piston jack 502, the pressure relief rate can be adjusted according to the extraction degree of the piston b503, when the gap between the piston b503 and the pressure relief channel 505 is gradually increased, the rate of venting increases gradually, and is maximized when piston b503 is completely offset from vent channel 505.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gaseous pressure relief device with hot gas cooling function, includes isobaric pipe (1), pressure release pipe (2) and cooling tube (3), its characterized in that: assembly connection between isobaric pipe (1), pressure release pipe (2) and cooling tube (3), isobaric pipe (1) sealing connection is on equipment, the lateral wall of isobaric pipe (1) is equipped with overvoltage protection part (4), be equipped with automatic pressure release part (5) in pressure release pipe (2), be equipped with heat recovery part (6) on cooling tube (3), baroceptor (7) are installed to the inside wall of isobaric pipe (1).

2. The gas pressure reduction device with hot gas cooling function according to claim 1, characterized in that: overvoltage protection part (4) include with casing (401) of isobaric tube (1) lateral wall rigid coupling, and casing (401) internal fixation has fixed cover (409), fixed cover (409) endotheca is equipped with push rod (408), the one end rigid coupling of push rod (408) has piston a (410), the other end rigid coupling of push rod (408) has movable plate (407), and movable plate (407) keep away from the one side of push rod (408) and the one end rigid coupling of spring (406), the rigid coupling has stripper plate (405) on the other end of spring (406), motor switch (411) are installed to the inside wall of casing (401).

3. A gas pressure reduction device with hot gas cooling according to claim 2, characterized in that: overvoltage protection part (4) still include that the spiral rotates and connects adjusting screw (403) inside screw (402) in casing (401) one side, adjusting screw (403) are located the one end welding in casing (401) outside and have hand wheel (404), adjusting screw (403) are located the inboard one end of casing (401) and are rotated with a side of extrusion plate (405) and keep away from spring (406) and be connected.

4. A gas pressure reduction device with hot gas cooling according to claim 2, characterized in that: the automatic pressure relief component (5) comprises a piston seat (501) arranged on the inner side wall of the pressure relief pipe (2), a piston jack (502) is arranged on the piston seat (501), a piston b (503) is inserted in the piston jack (502), the piston b (503) is fixedly connected to one end of a stud (507) through a connecting piece (506), the outer side wall of the stud (507) is spirally and rotatably connected with a threaded sleeve (508), the threaded sleeve (508) is rotatably connected in a bearing (509), the bearing (509) is clamped on a fixing plate (510), the fixing plate (510) is fixedly connected to the inside of the pressure relief pipe (2), a driven gear (511) is fixedly arranged on the outer side wall of the threaded sleeve (508), the driven gear (511) is meshed with a driving gear (512), the driving gear (512) is fixedly connected to an output shaft of a motor (513), and the motor (513) is arranged on the inner side wall of the pressure relief pipe (2), the motor (513) is electrically connected with the motor switch (411).

5. The gas pressure reduction device with hot gas cooling function according to claim 4, characterized in that: a plurality of pressure relief channels (505) are formed in the piston seat (501), and a pressure relief hole (504) is formed in the piston b (503).

6. The gas pressure reduction device with hot gas cooling function according to claim 1, characterized in that: the heat energy recovery part (6) is including inlaying heat pipe (604) of locating cooling tube (3) inside wall, the one end of heat pipe (604) is passed through connecting pipe (603) and is linked together with water pump (601), the one end intercommunication of water pump (601) and inlet tube (602), the other end of heat pipe (604) and the one end intercommunication of outlet pipe (607).

7. The gas pressure reduction device with hot gas cooling function according to claim 6, characterized in that: the heat energy recovery part (6) further comprises a heat conduction cushion layer (605) attached to the inner side wall of the cooling pipe (3) and an air guide plate (606) fixedly arranged in the cooling pipe (3), the heat conduction cushion layer (605) is made of a flexible heat conduction cushion, and the air guide plate (606) and the heat conduction pipe (604) are both spiral.

8. The gas pressure reduction device with hot gas cooling function according to claim 5, characterized in that: and the piston a (410) and the piston b (503) are both polyurethane high-temperature-resistant pistons.