CN108953118A

CN108953118A - Body in natural gas compressor Multicarity

Info

Publication number: CN108953118A
Application number: CN201810771343.6A
Authority: CN
Inventors: 孙伟
Original assignee: CHENGDU TIANYI NATURAL GAS COMPRESSOR MANUFACTURING Co Ltd
Current assignee: CHENGDU TIANYI NATURAL GAS COMPRESSOR MANUFACTURING Co Ltd
Priority date: 2018-07-13
Filing date: 2018-07-13
Publication date: 2018-12-07

Abstract

The present invention relates to Compressor Technology fields, and disclose body in natural gas compressor Multicarity, including cylinder, the inner wall of cylinder is fixedly connected with the first of equidistantly distributed every bank, second every bank and third every bank, first at the inner wall edge that bank is located at cylinder, first every bank, the inside of cylinder is divided into three chambers every bank every bank and third by second, three chambers are respectively first chamber from right to left, second chamber and third chamber, first every bank, second offers corresponding turn hole at the side wall center of bank every bank and third, the inner wall of three turn holes is fixedly connected to sealed letter, the inner wall common rotation of three sealed letters is connected with kinematic axis, one end of cylinder is provided with cylinder.Body in the natural gas compressor Multicarity can be classified sealing, discharge, and leaked gas, all control ensure that the work that the kinematic pair of moving component is not corroded, and makes entire kinematic system orderly before moving component.

Description

Body in natural gas compressor Multicarity

Technical field

The present invention relates to Compressor Technology fields, specially body in natural gas compressor Multicarity.

Background technique

Natural gas is the general designation for being present in the mixed gas in subsurface rock reservoir based on hydrocarbon, than weighing about 0.65, It is lighter than air, there is colourless, tasteless, nontoxic characteristic, natural gas main component alkane, wherein methane accounts for the overwhelming majority, separately has Furthermore a small amount of ethane, propane and butane generally has hydrogen sulfide, carbon dioxide, nitrogen and aqueous vapor and a small amount of carbon monoxide and micro Rare gas, such as helium and argon, natural gas is before being sent to end user, to help leak detection, also uses mercaptan, tetrahydro Thiophene etc. adds smell to natural gas, and natural gas is a kind of activated gas, substantially nontoxic to people, mainly enters people through respiratory tract Body belongs to simple asphyxiant gas, but when excessive concentration, is substantially reduced oxygen content in air, when Gas content natural in air reaches When 25%-30%, can cause headache, it is dizzy, out of strength, absent minded, breathe and palpitate quickly, serious person can be because of blood oxygen mistake Low death by suffocation, high-pressure natural gas can cause frostbite, and imperfect combustion can produce carbon monoxide.

The transport and storage of natural gas are required to compress natural gas using natural gas compressor, compressed natural gas Leakage problem is the most important thing in the process, and body is one of essential accessory of natural gas compressor in compressor, existing Body is mostly single-chamber room in compressor, when natural gas flows in compressor, is easy to leak out from single-chamber room, so as to cause It is prone to accidents.

Summary of the invention

(1) the technical issues of solving

In view of the deficiencies of the prior art, the present invention provides body in natural gas compressor Multicarity, have step emission, it is close The advantages that envelope leakage, solves the problems, such as that body is easy leakage natural gas in single-chamber room.

(2) technical solution

For the purpose for realizing above-mentioned sealing leak, the invention provides the following technical scheme: in natural gas compressor Multicarity Body, including cylinder, the inner wall of the cylinder be fixedly connected with the first of equidistantly distributed every bank, second every bank and third every bank, Described first at the inner wall edge that bank is located at cylinder, described first every bank, second every bank and third every bank by the inside of cylinder Be divided into three chambers, three chambers are respectively first chamber, second chamber and third chamber from right to left, described first every Bank, second offer corresponding turn hole every bank and third at the side wall center of bank, and the inner wall of three turn holes is solid Surely it is connected with sealed letter, the inner wall common rotation of three sealed letters is connected with kinematic axis, and one end of the cylinder is provided with Cylinder, described first is fixedly linked by multiple first bolts with cylinder every the side wall of bank, and one end of the kinematic axis extends to The inside of cylinder, the cylinder are provided with fuselage body far from one end of cylinder, and the lateral wall of the cylinder is far from the one of cylinder End is equipped with fixed lobe, and the fixed lobe is fixedly linked by multiple second bolts with fuselage body, and the kinematic axis is separate One end of cylinder is fixedly connected with movement parts, and the movement parts are located in third chamber, and the side of the fuselage body offers The movement slideway being connected with third chamber, the movement parts are connected with the inner wall sliding of movement slideway, the top of the cylinder The venthole being connected with first chamber and second chamber is offered, the bottom of the cylinder is offered to be connected with first chamber Air inlet, the bottom of the cylinder is fixedly connected with the admission line being connected with air inlet, and the top of the cylinder is fixed It is connected with the safety valve being connected with one of venthole, the safety valve is connected by venthole with the inside of first chamber It is logical.

Preferably, it is provided with lubricating structure on three sealed letters, the lubricating structure includes oil nozzle, the oil nozzle Bottom be provided with external screw thread, the corresponding threaded hole of oil nozzle is offered at the top of the cylinder, the oil nozzle passes through external screw thread It is connected with threaded hole screw thread, described first offers the first oil filler point being connected with sealed letter, the cylinder every the inside of bank Side wall offer the second oil filler point being connected with threaded hole, first oil filler point and the second oil filler point are connected.

Preferably, the side wall of the cylinder offers access hole, and the lateral wall of the cylinder is provided with and access hole phase The fixed frame matched offers multiple equally distributed first threaded holes, the side of the cylinder at the sidewall edge of the fixed frame Wall offers multiple the second threaded holes corresponding with the first threaded hole, multiple first threaded holes and the second threaded hole it is interior Wall is threaded with third bolt jointly, and the fixed frame is fixedly connected with sealing ring, the fixation close to the side of cylinder The inner sidewall of frame offers mounting groove, and the inner wall of the mounting groove is embedded with transparent access panel, and the inner wall of the mounting groove is solid Surely it is connected with gasket, the gasket is located at the side wall in mounting groove with access panel and offsets.

Preferably, the side of the sealed letter is fixedly connected with fixed plate, and the side wall of the fixed plate offers through-hole, institute Kinematic axis is stated through through-hole, the inner wall of the through-hole and the side wall of kinematic axis are not in contact with each other, the side of the fixed plate and first It offsets every the side of bank, and fixed plate is fixedly linked with first every the side wall of bank by the 4th bolt.

Preferably, the access panel is organic glass material.

Preferably, the side wall of first bolt and the second bolt is socketed with big flat washer, first bolt and second Side wall of the bolt between big flat washer and bolt head is socketed with spring shim.

Preferably, the cylinder is integrally formed every bank and third every bank with first every bank, second.

(3) beneficial effect

Compared with prior art, the present invention provides body in natural gas compressor Multicarity, have it is following the utility model has the advantages that

1, body in the natural gas compressor Multicarity, by the setting of cylinder, when the natural gas in cylinder by first every When bank is leaked into first chamber, first chamber by air inlet pipe and air inlet to nitrogen is poured inside it, since nitrogen is in air In account for 78% or so, so isolated nitrogen is very cheap, and nitrogen torpescence, can not only be played in first chamber The effect of natural gas leaking is prevented, can also be mixed with the natural gas leaked out, guarantees that no oxygen etc. can in first chamber Oxidizer needed for combustion things, prevents gas explosion, and when the natural gas in first chamber continues to increase, internal pressure increases Greatly, so that opening the safety-valve makes natural gas in first chamber and nitrogen discharge to the exhausting pipeline of station, Yu is stayed in this way The gas pressure and quantity of one chamber all reduce, then are again sealed off by second every bank, leak into the natural of second chamber Gas just very pettiness, and station exhausting pipeline is also entered by the venthole of second chamber, third seals again every bank, shuts out completely Natural gas absolutely enters third chamber, and in this way by multi-chamber classification sealing, discharge controls leaked gas whole and exists Before moving component, the work that the kinematic pair of moving component is not corroded, and makes entire kinematic system orderly ensure that.

2, body in the natural gas compressor Multicarity, by the setting of access hole, worker can penetrate transparent access panel Inner barrel is observed, when the damage parts of inner barrel need replacing, multiple third bolts can be backed out, make to fix Frame is detached from from cylinder, so as to be replaced by access hole to the intracorporal part of cylinder, is again passed through fixed frame after replacement Third bolt is fixed with cylinder, and due to the setting of sealing ring and gasket, makes that natural gas will not be leaked at access hole.

Detailed description of the invention

Fig. 1 is the schematic diagram of internal structure of body in natural gas compressor Multicarity proposed by the present invention；

Fig. 2 is the outer surface structure schematic diagram of body in natural gas compressor Multicarity proposed by the present invention；

Fig. 3 is the detection mouth partial structure diagram of body in natural gas compressor Multicarity proposed by the present invention；

Fig. 4 is the structural schematic diagram of body part A in natural gas compressor Multicarity proposed by the present invention.

In figure: 1 cylinder, 2 kinematic axis, 3 sealed letters, 4 oil nozzles, 5 cylinders, 6 safety valves, 7 ventholes, 8 thirds are every bank, 9 Two bolts, 10 fuselage bodies, 11 movement parts, 12 movement slideways, 13 third chambers, 14 second chambers, 15 air inlet pipe, 16 first chambers Room, 17 first bolts, 18 fixed frames, 19 third bolts, 20 access panels, 21 gaskets.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-4, body in natural gas compressor Multicarity, including cylinder 5 are please referred to, the inner wall of cylinder 5 is fixedly connected with Spacing distribution first every bank, second every bank and third every bank 8, first at the inner wall edge that bank is located at cylinder 5, first every The inside of cylinder 5 is divided into three chambers every bank 8 every bank and third by bank, second, and three chambers are respectively the first chamber from right to left Room 16, second chamber 14 and third chamber 13, first offers at the side wall center of bank 8 every bank, second every bank and third Corresponding turn hole, the inner wall of three turn holes are fixedly connected to sealed letter 3, the inner wall common rotation connection of three sealed letters 3 Have a kinematic axis 2, one end of cylinder 5 is provided with cylinder 1, first every bank side wall it is fixed by multiple first bolts 17 and cylinder 1 It is connected, one end of kinematic axis 2 extends to the inside of cylinder 1, and cylinder 5 is provided with fuselage body 10, cylinder far from one end of cylinder 1 5 lateral wall is equipped with fixed lobe far from one end of cylinder 1, and fixed lobe is solid by multiple second bolts 9 and fuselage body 10 Fixed to be connected, kinematic axis 2 is fixedly connected with movement parts 11 far from one end of cylinder 1, and movement parts 11 are located in third chamber 13, fuselage The side of ontology 10 offers the movement slideway 12 being connected with third chamber 13, and movement parts 11 and the inner wall for moving slideway 12 are sliding Dynamic to be connected, the top of cylinder 5 offers the venthole being connected with first chamber 16 and second chamber 14, and the bottom of cylinder 5 is opened Equipped with the air inlet being connected with first chamber 16, the bottom of cylinder 5 is fixedly connected with the admission line being connected with air inlet, The top of cylinder 5 is fixedly connected with the safety valve 6 being connected with one of venthole, and safety valve 6 passes through venthole and first The inside of chamber 16 is connected.

Lubricating structure is provided on three sealed letters 3, lubricating structure includes oil nozzle 4, and the bottom of oil nozzle 4 is provided with outer spiral shell Line, the top of cylinder 5 offer the corresponding threaded hole of oil nozzle 4, and oil nozzle 4 is connected by external screw thread with threaded hole screw thread, and first Offer the first oil filler point being connected with sealed letter 3 every the inside of bank, the side wall of cylinder 5 is offered to be connected with threaded hole Second oil filler point, the first oil filler point and the second oil filler point are connected, and lubricating oil squeezes by oil gun from oil nozzle 4, successively It is entered in sealed letter 3 by the second oil filler point and the first oil filler point, makes to be lubricated between sealed letter 3 and kinematic axis 2, subtract Few friction, and since oil nozzle 4 is fixed by screw thread and 5 phase of cylinder, screw thread is seals screw thread, so that oil filler point is close with outside Envelope, while when oil nozzle 4 blocks, directly oil nozzle 4 can be backed out from cylinder 5, replaced.

The side wall of cylinder 5 offers access hole, and the lateral wall of cylinder 5 is provided with the fixed frame 18 to match with access hole, Offer multiple equally distributed first threaded holes at the sidewall edge of fixed frame 18, the side wall of cylinder 5 offers multiple with the The inner wall of corresponding second threaded hole of one threaded hole, multiple first threaded holes and the second threaded hole is threaded with jointly Three bolts 19, fixed frame 18 are fixedly connected with sealing ring close to the side of cylinder 5, and the inner sidewall of fixed frame 18 offers installation Slot, the inner wall of mounting groove are embedded with transparent access panel 20, and the inner wall of mounting groove is fixedly connected with gasket 21, gasket 21 with The side wall that access panel 20 is located in mounting groove offsets, worker can through transparent access panel 20 to being observed inside cylinder 5, When damage parts inside cylinder 5 need replacing, multiple third bolts 19 can be backed out, take off fixed frame 18 from cylinder 5 From, so as to be replaced by access hole to the part in cylinder 5, after replacement again by fixed frame 18 pass through third bolt 19 It is fixed with cylinder 5, and due to the setting of sealing ring and gasket 21, make that natural gas will not be leaked at access hole.

The side of sealed letter 3 is fixedly connected with fixed plate, and the side wall of fixed plate offers through-hole, and kinematic axis 2 runs through through-hole, The inner wall of through-hole and the side wall of kinematic axis 2 are not in contact with each other, and the side of fixed plate offsets with first every the side of bank, and fixed plate is logical It crosses the 4th bolt and is fixedly linked with first every the side wall of bank.

Access panel 20 is organic glass material, and the design pressure of middle body is generally 0.2MPa, in addition the side wall setting of cylinder 5 There is venthole, so that the intracorporal pressure of cylinder is close to normal pressure, so it is safe and reliable that access panel 20, which selects organic glass,.

The side wall of first bolt 17 and the second bolt 9 is socketed with big flat washer, and the first bolt 17 and the second bolt 9 are located at big Side wall between plain cushion and bolt head is socketed with spring shim, prevents the first bolt 17 and the second bolt 9 from using in long-time Afterwards because vibrating and loose or dislocation.

Cylinder 5 is integrally formed every bank and third every bank 8 with first every bank, second, and reinforced tube 5 and first is every bank, Two bonding strengths every bank and third between bank 8, prevent cylinder 5 and first every bank, second every bank and third between bank 8 because For kinematic axis 2 sliding and occur fracture be detached from.

To sum up, body in the natural gas compressor Multicarity, when the natural gas in cylinder 1 is leaked every bank into first by first When chamber 16, first chamber 16 by air inlet pipe 15 and air inlet to nitrogen is filled with inside it, since nitrogen accounts in air 78% or so, so isolated nitrogen is very cheap, and nitrogen torpescence, can not only be played in first chamber 16 anti- The only effect of natural gas leaking can also be mixed with the natural gas leaked out, guarantee that no oxygen etc. can in first chamber 16 Oxidizer needed for combustion things, prevents gas explosion, and when the natural gas in first chamber 16 continues to increase, internal pressure increases Greatly, so that opening the safety-valve 6 makes natural gas in first chamber 16 and nitrogen discharge to the exhausting pipeline of station, stay in this way it is remaining The gas pressure and quantity of first chamber 16 all reduce, then are again sealed off by second every bank, leak into second chamber 14 Natural gas just very pettiness, and station exhausting pipeline is also entered by the venthole 7 of second chamber 14, third every bank 8 again Sealing, has prevented natural gas completely and has entered third chamber 13, is classified seals by multi-chamber in this way, discharge, the gas of leakage All control ensure that the kinematic pair of moving component is not corroded, make entire kinematic system orderly body before moving component Work.

It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, method, article or equipment in there is also other identical elements.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims

1. body in natural gas compressor Multicarity, including cylinder (5), it is characterised in that: the inner wall of the cylinder (5) is fixedly connected Have equidistantly distributed first is located at the inner wall side of cylinder (5) every bank every bank (8), described first every bank and third every bank, second At edge, the inside of cylinder (5) is divided into three chambers, three chambers every bank (8) every bank and third every bank, second by described first Room is respectively first chamber (16), second chamber (14) and third chamber (13) from right to left, described first every bank, second every bank Corresponding turn hole is offered at the side wall center of bank (8) with third, the inner wall of three turn holes is fixedly connected to The inner wall common rotation of sealed letter (3), three sealed letters (3) is connected with kinematic axis (2), and one end of the cylinder (5) is set It is equipped with cylinder (1), described first is fixedly linked by multiple first bolts (17) with cylinder (1) every the side wall of bank, the movement One end of axis (2) extends to the inside of cylinder (1), and the cylinder (5) is provided with fuselage body far from the one end of cylinder (1) (10), the lateral wall of the cylinder (5) is equipped with fixed lobe far from one end of cylinder (1), and the fixed lobe passes through multiple the Two bolts (9) are fixedly linked with fuselage body (10), and the kinematic axis (2) is fixedly connected with movement far from the one end of cylinder (1) Part (11), the movement parts (11) are located in third chamber (13), and the side of the fuselage body (10) offers and third chamber The movement slideway (12) that room (13) is connected, the movement parts (11) are connected with the sliding of the inner wall of movement slideway (12), the cylinder The venthole being connected with first chamber (16) and second chamber (14), the bottom of the cylinder (5) are offered at the top of body (5) The air inlet being connected with first chamber (16) is offered, the bottom of the cylinder (5) is fixedly connected with to be connected with air inlet Admission line, be fixedly connected with the safety valve (6) being connected with one of venthole at the top of the cylinder (5), it is described Safety valve (6) is connected by venthole with the inside of first chamber (16).

2. body in natural gas compressor Multicarity according to claim 1, it is characterised in that: three sealed letters (3) On be provided with lubricating structure, the lubricating structure includes oil nozzle (4), and the bottom of the oil nozzle (4) is provided with external screw thread, described The corresponding threaded hole of oil nozzle (4) is offered at the top of cylinder (5), the oil nozzle (4) passes through external screw thread and threaded hole screw thread phase Even, described first offers the first oil filler point being connected with sealed letter (3) every the inside of bank, and the side wall of the cylinder (5) is opened Equipped with the second oil filler point being connected with threaded hole, first oil filler point and the second oil filler point are connected.

3. body in natural gas compressor Multicarity according to claim 1, it is characterised in that: the side wall of the cylinder (5) Access hole is offered, the lateral wall of the cylinder (5) is provided with the fixed frame (18) to match with access hole, the fixed frame (18) offer multiple equally distributed first threaded holes at sidewall edge, the side wall of the cylinder (5) offer it is multiple with The common screw thread of the inner wall of corresponding second threaded hole of first threaded hole, multiple first threaded holes and the second threaded hole connects It is connected to third bolt (19), the fixed frame (18) is fixedly connected with sealing ring, the fixed frame close to the side of cylinder (5) (18) inner sidewall offers mounting groove, and the inner wall of the mounting groove is embedded with transparent access panel (20), the mounting groove Inner wall is fixedly connected with gasket (21), and the gasket (21) is located at the side wall in mounting groove with access panel (20) and offsets.

4. body in natural gas compressor Multicarity according to claim 1, it is characterised in that: the one of the sealed letter (3) Side is fixedly connected with fixed plate, and the side wall of the fixed plate offers through-hole, and the kinematic axis (2) runs through through-hole, the through-hole The side wall of inner wall and kinematic axis (2) be not in contact with each other, the side of the fixed plate offsets with first every the side of bank, and fixed plate It is fixedly linked with first every the side wall of bank by the 4th bolt.

5. body in natural gas compressor Multicarity according to claim 3, it is characterised in that: the access panel (20) is to have Machine glass material.

6. body in natural gas compressor Multicarity according to claim 1, it is characterised in that: first bolt (17) and The side wall of second bolt (9) is socketed with big flat washer, and first bolt (17) and the second bolt (9) are located at big flat washer and bolt Side wall between head is socketed with spring shim.

7. body in natural gas compressor Multicarity according to claim 1, it is characterised in that: the cylinder (5) and first It is integrally formed every bank and third every bank (8) every bank, second.