CN204981795U - Multi -functional high -pressure gas safety clarifier - Google Patents

Multi -functional high -pressure gas safety clarifier Download PDF

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Publication number
CN204981795U
CN204981795U CN201520556011.8U CN201520556011U CN204981795U CN 204981795 U CN204981795 U CN 204981795U CN 201520556011 U CN201520556011 U CN 201520556011U CN 204981795 U CN204981795 U CN 204981795U
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China
Prior art keywords
filter screen
pressure gas
high pressure
cleaner
gas safety
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Withdrawn - After Issue
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CN201520556011.8U
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Chinese (zh)
Inventor
宋厚春
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Tokheim Hengshan Technologies Guangzhou Co Ltd
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Tokheim Hengshan Technologies Guangzhou Co Ltd
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Abstract

The utility model discloses a multi -functional high -pressure gas safety clarifier, including purifying body, upper cover, filter screen, entry joint, outlet connection and blow down valve, the purifying body middle part is located to the filter screen, and the purifying body top is located to the upper cover, and the blow down valve connects with the entry locates the purifying body bottom respectively, and the purifying body outer wall that is located upper portion is equipped with two outlet connections, the filter screen is the cup structure, forms inlet channel between filter screen outer wall and the purifying body inner wall, and the entry joint communicates with each other with inlet channel, and the export that the entry connects is located the lateral wall outside of filter screen, and the direction of just admitting air is parallel with the lateral wall of filter screen. This multi -functional high -pressure gas safety clarifier can effectively lengthen filter screen life, solves the maloperation potential safety hazard that exists when sweeping the blowdown, improves the security, carries out the function integrated innovation simultaneously, dwindles the usage space, solves the not enough problem of air entrainment machine inner space, also reduces product cost, improves production efficiency.

Description

Multifunctional high pressure gas safety cleaner
Technical field
The utility model relates to high pressure gas purification techniques field, particularly a kind of multifunctional high pressure gas safety cleaner.
Background technology
Along with the continuous enhancing that the environmental protection of people is realized, the fuel of environmental protection is also in continuous increase with rapid changepl. never-ending changes and improvements, with regard to Sweet natural gas: at present, it is 4.6% that Sweet natural gas accounts for China's primary energy source consumption proportion, larger with international average level (23.8%) gap.Meanwhile, along with China's urbanization deeply develops, population scale constantly expands, and also will day by day increase the demand of Sweet natural gas.Accelerate development Sweet natural gas, improve the proportion of Sweet natural gas in China's primary energy source consumption structure, significantly can reduce the pollutant emission such as carbonic acid gas isothermal chamber gas and fine particle (PM2.5), realize energy-saving and emission-reduction, environmental protect, this is that China realizes optimizing and revising the realistic choice of energy structure, be also strengthening energy-saving and emission-reduction in the urgent need to.
Natural gas aerating machine is in market for natural gas process of exchange, and be absolutely necessary a kind of terminal payoff equipment.The aerating flow process of natural gas aerating machine is generally: gas station gas-holder---filling machine Inlet ball valve---strainer---check valve---magnetic valve---mass flowmeter---emergent ball valve---Pull breaking ualve---high-pressure rubber pipe---air filling gun---vehicle reservation tank.And passing through to investigate discovery, in filling machine conventional in the market, the filter screen (being generally the filter screen of Cu-base powder sintering) of strainer is out of shape, the frequency of damage is quite high.
Strainer conventional at present as shown in Figure 1, its principle is: the gas pipe line of gas station gas-holder is by after Inlet ball valve, be connected with the inlet attack 1 of strainer, CNG (compressed natural gas) passes through pipeline, directly enter the inner chamber of strainer, after filter screen 2 filters, from the through hole of filter screen standing screw 3 outer wall, enter centre hole to upper cover 4, four through holes around upper cover again, flow into the outlet connection 5 on both sides, then enter check valve, magnetic valve, mass flowmeter, Pull breaking ualve, sebific duct, air filling gun and vehicle reservation tank successively.Impurity in gas station gas-holder, pipeline and compressed natural gas, after shutting down, can unclamp and purge screw 6, carry out purging blowdown.In actual applications, there is following defect in the strainer of said structure:
(1) filter screen is short for work-ing life: major cause is that the Position Design of inlet mouth is unreasonable, the standard atmosphere pressure > 20Mpa of compressed natural gas, during strainer work, this pressure is directly impacted on filter screen by inlet attack, causes filter screen impact owing to being usually stressed and be out of shape; In addition, if having impurity in pipeline, then need to purge blowdown, the Inlet ball valve that frequent switch is connected with inlet attack, more easily causes filter screen gross distortion, makes filtration inefficiencies.Therefore filling machine breaks down, and gently then changes filter screen, heavy then can damage filling machine, affects the normal business of gas station.
(2) potential safety hazard that blowdown exists mishandle is purged: because of the reason of complete machine structure, purging screw is the bottom at filling machine, not easily seeing during operation, is generally after touching its position with hand, then goes to unclamp with spanner and purge screw and carry out blowdown, unclamping the process of screw, operator habitually can touch the hex hd end of screw with finger, if at this time unclamp screw, the high pressure gas of filter interior will be mapped on finger instantaneously, puncture finger, cause personal injury accidents.
(3) function singleness, be not easy to install: along with technology continuous renewal and society development, existing this strainer can not be completely applicable.Such as: have a lot of gas stations to adopt basic, normal, high three kinds of pressure to carry out air feed (therefore claiming three line sequential control filling machines) respectively to filling machine at present, a kind of pressure needs a strainer, the exit end of strainer must install a vacuum breaker, prevents pressure from going here and there mutually.Because the regulation of filling machine physical dimension limits, its internal space is narrow, and installation pipeline is very inconvenient.
In addition, because the gas pressure in natural gas aerating machine is up to more than 22MPa, therefore general strainer (as: natural gas filter, gas pipeline strainer etc. of automobile), even if filter effect is better, also cannot be applicable to natural gas aerating machine.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, for high pressure gas such as Sweet natural gases, provides a kind of compact construction, security higher and the multifunctional high pressure gas safety cleaner that effectively can extend filter screen work-ing life.
The technical solution of the utility model is: a kind of multifunctional high pressure gas safety cleaner, comprise cleaner body, upper cover, filter screen, inlet attack, outlet connection and blow down valve, filter screen is located in the middle part of cleaner body, on be covered on cleaner bodies top, blow down valve and inlet attack are located at cleaner body bottom portion respectively, and superposed cleaner body outer wall is provided with two outlet connections;
The cup-shaped structure of filter screen, form induction trunk between filter screen outer wall and cleaner inner body wall, inlet attack communicates with induction trunk, and the outlet of inlet attack is positioned at the side-wall outer side of filter screen, and airintake direction is parallel with the sidewall of filter screen.In the structure shown here, after high pressure gas enter induction trunk from inlet attack, first run on the lateral of filter screen, after obtaining buffering, the inner chamber of filter screen is entered again through filter screen, finally sent by outlet passageway, direct impact filtration net when high pressure gas can be avoided to enter induction trunk, reduces over distortion and the spoilage of filter screen.
Described filter screen to be powder particle gap the be copper base filter screen of 40 μm.Filter screen is the integral structure adopting Cu-base powder sintering, due between Cu-base powder particle with the gap of 40 μm, the filter screen after therefore shaping can play a role in filtering to the impurity that particle diameter in Sweet natural gas is greater than 40 μm.
The opening upwards of described filter screen, the outer wall of opening part is threaded with upper cover, and upper cover outer wall is connected with cleaner body by sealing-ring, makes induction trunk top seal; Leave gap between the bottom of filter screen and the bottom of cleaner body, induction trunk forms the cup-like structure of end thin-walled thick (namely the lateral width of induction trunk is greater than bottom width).The filter screen of this structure compares conventional filter, can save filter screen standing screw, simplifies filter structure; Meanwhile, filter screen is designed to cup-like structure, effectively can strengthens the intensity of filter screen, its filtration area is also comparatively large, can realize the high-efficient purification to high pressure gas.
In order to improve the intensity of filter screen further, the inwall of described filter screen is provided with multiple shaft orientation reinforcing rib, and the setting of stiffening web can strengthen the bending strength of whole cup, guarantees that filter screen can be fractureed in no instance, thus extends its work-ing life.
Be provided with horizontal outlet passageway in the middle part of described upper cover, outlet passageway is positioned at above filter screen, and the cleaner body sidewall corresponding with outlet passageway two ends has production well, and each production well place is provided with outlet connection.
Described outlet connection is provided with built-in check valve assembly, outlet connection and check valve assembly is become one, and can save the check valve be external on outlet connection, simplifies its structure, makes complete machine structure compacter, overcomes the defect that current filling machine internal space is little.
Airintake direction on described inlet attack is mutually vertical with the outgassing direction on outlet connection.
Described blow down valve and inlet attack be arranged in parallel, and blow down valve side is provided with stop screw, and the end of stop screw, through after the sidewall of cleaner body, inserts in the groove of blow down valve side.By the setting of stop screw, can effectively prevent blow down valve from getting loose or lose, the convenient operation purging blowdown, improves the security of operation.
The outer end of described blow down valve is provided with the guide pipe that length is 20mm, and the setting of guide pipe effectively can prevent mishandle when purging, and further increases the security purging blowdown operation.
When this multifunctional high pressure gas safety cleaner uses, its principle is: the gas pipe line of gas station gas-holder is by after Inlet ball valve, be connected with inlet attack, CNG (compressed natural gas) passes through guide pipe, directly rush at the top (i.e. induction trunk top) of cleaner chamber body, then disperse, alleviate, reduce pressure and fill up induction trunk, due to high pressure gas continue enter, pressure in induction trunk also rises thereupon, at this moment the inside and outside both sides of filter screen just produce a pressure difference, and outer imperial palace is little; Because filter screen adopts Cu-base powder sintering to form, with the gap of 40 μm between Cu-base powder particle, high pressure gas enter the inner chamber of filter screen by the gap between powder particle, the pressure difference of moment will balance, the whole inner chamber of cleaner is made to be full of high pressure gas, when the pressure of high pressure gas reaches 0.5Mpa, the check valve assembly in two air outlet adapters will be opened and give vent to anger.Impurity in impurity between gas station gas-holder to filling machine in tubing system and compressed natural gas, by this purification utensil, filter after, collection exists in the inner chamber of cleaner body, after shutting down, can unclamp blow down valve, carry out purging blowdown.
This multifunctional high pressure gas safety cleaner designs for high pressure gas such as Sweet natural gases, and compared with traditional high-pressure gas filter, its beneficial effect is mainly reflected in following several respects:
(1) filter screen work-ing life is effectively extended.The intake method of this cleaner is the inner chamber top by guide pipe, gas being directed to cleaner body, just induction trunk is filled up after dispersion, buffering, the now comprehensive uniform-compression of filter screen outside surface, the air inlet that thus avoid in conventional filter directly impacts filter screen, reduces the probability that filter screen is out of shape due to local by impacting with high pressure or damages; In addition, filter structure is changed over cup-like structure from traditional thin wall cylindrical annular, effectively can improve the bending strength of filter screen, guarantee that filter screen can be fractureed in no instance, thus improve work-ing life.
(2) by setting up stop screw at blow down valve place, and having set up the long guide pipe of one section of 20mm in the outer end of blow down valve, having solved the misoperation safety hidden danger existed when purging blowdown, improving security.
(3) carry out function i ntegration innovation, reduce usage space, solve the not enough problem in filling machine internal space.Along with the development of society; improving constantly of technology; the demand of three line sequential control filling machines becomes the demand of normalizing substantially; so solve the problem that filling machine internal space is little; also be imperative; one-way valve structures carried out simplifying and be integrated in outlet connection, space width decreases more than 50mm, can efficiently solve the installation question of complete machine.
(4) reduce product cost, enhance productivity.Filter structure is changed over cup-like structure from traditional thin wall cylindrical annular, can save filter screen standing screw, simplify filter structure, in single cleaner, the cost of filter structure can reduce by more than 100 yuan; And due to the raising in work-ing life, eliminate in the guarantee period as changing the trip expenses of personnel after sale and part cost (random accessory: filter screen 3 × 40 yuan/platform) that filter screen causes, that is: the replacing filter screen being no less than more than three times in the guarantee period, the trip expenses mean value 800 yuan/time of personnel after sale, adds up to cost-saved more than about 1,000 yuan an of filling machine.Meanwhile, by integrated for check valve with outlet connection, cost-saved: check valve unit price of procurement 338.40 yuan/only, integrated part unit price 30 yuan/only, every platform machine consumption: 6/platform, adds up to 1850.40 yuan.As can be seen here, the use of this cleaner, can bring the direct economic benefit of nearly 3000 yuan an of filling machine and the indirect benefit of quality product to enterprise, eliminates the financial loss of keeping in repair and stopping doing business to gas station simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of this conventional filter.
Fig. 2 is the structural representation of this multifunctional high pressure gas safety cleaner.
Fig. 3 is that the A-A of Fig. 2 is to cross section view.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
A kind of multifunctional high pressure gas safety of the present embodiment cleaner, as shown in Figure 2 or Figure 3, comprise cleaner body 7, upper cover 4, filter screen 2, inlet attack 1, outlet connection 5 and blow down valve 6, filter screen is located in the middle part of cleaner body, on be covered on cleaner bodies top, blow down valve and inlet attack are located at cleaner body bottom portion respectively, and superposed cleaner body outer wall is provided with two outlet connections; As shown in Figure 3, the cup-shaped structure of filter screen, form induction trunk 8 between filter screen outer wall and cleaner inner body wall, inlet attack communicates with induction trunk, and the outlet of inlet attack is positioned at the side-wall outer side of filter screen, and airintake direction is parallel with the sidewall of filter screen.In the structure shown here, after high pressure gas enter induction trunk from inlet attack, first run on the lateral of filter screen, after obtaining buffering, the inner chamber of filter screen is entered again through filter screen, finally sent by outlet passageway, direct impact filtration net when high pressure gas can be avoided to enter induction trunk, reduces over distortion and the spoilage of filter screen.
Filter screen 2 to be powder particle gaps the be copper base filter screen of 40 μm.Filter screen is the integral structure adopting Cu-base powder sintering, due between Cu-base powder particle with the gap of 40 μm, the filter screen after therefore shaping can play a role in filtering to the impurity that particle diameter in Sweet natural gas is greater than 40 μm.The opening upwards of filter screen, the outer wall of opening part is fixedly connected with by screw thread with upper cover, and upper cover outer wall is connected with cleaner body by sealing-ring, makes induction trunk top seal; Leave gap between the bottom of filter screen and the bottom of cleaner body, induction trunk forms the cup-like structure of end thin-walled thick (namely the lateral width of induction trunk is greater than bottom width).The filter screen of this structure compares conventional filter, can save filter screen standing screw, simplifies filter structure; Meanwhile, filter screen is designed to cup-like structure, effectively can strengthens the intensity of filter screen, its filtration area is also comparatively large, can realize the high-efficient purification to high pressure gas.
The inwall of filter screen is provided with six shaft orientation reinforcing rib (not shown)s, and the setting of stiffening web can strengthen the bending strength of whole cup, guarantees that filter screen can be fractureed in no instance, thus extends its work-ing life.
Be provided with horizontal outlet passageway 9 in the middle part of upper cover, outlet passageway is positioned at above filter screen, and the cleaner body sidewall corresponding with outlet passageway two ends has production well, and each production well place is provided with outlet connection.
Outlet connection is provided with built-in check valve assembly 10, outlet connection and check valve assembly is become one, and can save the check valve be external on outlet connection, simplifies its structure, makes complete machine structure compacter, overcomes the defect that current filling machine internal space is little.
As indicated by the arrows in fig. 3, the airintake direction on inlet attack is mutually vertical with the outgassing direction on outlet connection.
As shown in Figure 3, blow down valve and inlet attack be arranged in parallel, and blow down valve side is provided with stop screw 11, and the end of stop screw, through after the sidewall of cleaner body, inserts in the groove of blow down valve side.By the setting of stop screw, can effectively prevent blow down valve from getting loose or lose, the convenient operation purging blowdown, improves the security of operation.
Meanwhile, the outer end of blow down valve is provided with the guide pipe 12 that length is 20mm, and the setting of guide pipe effectively can prevent mishandle when purging, and further increases the security purging blowdown operation.
When this multifunctional high pressure gas safety cleaner uses, its principle is: the gas pipe line of gas station gas-holder is by after Inlet ball valve, be connected with inlet attack, CNG (compressed natural gas) passes through guide pipe, directly rush at the top (i.e. induction trunk top) of cleaner chamber body, then disperse, alleviate, reduce pressure and fill up induction trunk, due to high pressure gas continue enter, pressure in induction trunk also rises thereupon, at this moment the inside and outside both sides of filter screen just produce a pressure difference, and outer imperial palace is little; Because filter screen adopts Cu-base powder sintering to form, with the gap of 40 μm between Cu-base powder particle, high pressure gas enter the inner chamber of filter screen by the gap between powder particle, the pressure difference of moment will balance, the whole inner chamber of cleaner is made to be full of high pressure gas, when the pressure of high pressure gas reaches 0.5Mpa, the check valve assembly in two air outlet adapters will be opened and give vent to anger.Impurity in impurity between gas station gas-holder to filling machine in tubing system and compressed natural gas, by this purification utensil, filter after, collection exists in the inner chamber of cleaner body, after shutting down, can unclamp blow down valve, carry out purging blowdown.
As mentioned above, just can realize the utility model preferably, above-described embodiment is only preferred embodiment of the present utility model, is not used for limiting practical range of the present utility model; Namely all equalizations done according to the utility model content change and modify, all by the utility model claim scope required for protection is contained.

Claims (9)

1. multifunctional high pressure gas safety cleaner, it is characterized in that, comprise cleaner body, upper cover, filter screen, inlet attack, outlet connection and blow down valve, filter screen is located in the middle part of cleaner body, on be covered on cleaner bodies top, blow down valve and inlet attack are located at cleaner body bottom portion respectively, and superposed cleaner body outer wall is provided with two outlet connections;
The cup-shaped structure of filter screen, form induction trunk between filter screen outer wall and cleaner inner body wall, inlet attack communicates with induction trunk, and the outlet of inlet attack is positioned at the side-wall outer side of filter screen, and airintake direction is parallel with the sidewall of filter screen.
2. multifunctional high pressure gas safety cleaner according to claim 1, is characterized in that, described filter screen to be powder particle gap the be copper base filter screen of 40 μm.
3. multifunctional high pressure gas safety cleaner according to claim 1, it is characterized in that, the opening upwards of described filter screen, the outer wall of opening part is threaded with upper cover, and upper cover outer wall is connected with cleaner body by sealing-ring, makes induction trunk top seal; Leave gap between the bottom of filter screen and the bottom of cleaner body, induction trunk forms the thick cup-like structure of end thin-walled.
4. multifunctional high pressure gas safety cleaner according to claim 1, is characterized in that, the inwall of described filter screen is provided with multiple shaft orientation reinforcing rib.
5. multifunctional high pressure gas safety cleaner according to claim 1, it is characterized in that, be provided with horizontal outlet passageway in the middle part of described upper cover, outlet passageway is positioned at above filter screen, the cleaner body sidewall corresponding with outlet passageway two ends has production well, and each production well place is provided with outlet connection.
6. multifunctional high pressure gas safety cleaner according to claim 5, it is characterized in that, described outlet connection is provided with built-in check valve assembly.
7. multifunctional high pressure gas safety cleaner according to claim 5, it is characterized in that, the airintake direction on described inlet attack is mutually vertical with the outgassing direction on outlet connection.
8. multifunctional high pressure gas safety cleaner according to claim 1, it is characterized in that, described blow down valve and inlet attack be arranged in parallel, and blow down valve side is provided with stop screw, the end of stop screw, through after the sidewall of cleaner body, inserts in the groove of blow down valve side.
9. multifunctional high pressure gas safety cleaner according to claim 8, is characterized in that, the outer end of described blow down valve is provided with the guide pipe that length is 20mm.
CN201520556011.8U 2015-07-27 2015-07-27 Multi -functional high -pressure gas safety clarifier Withdrawn - After Issue CN204981795U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105018167A (en) * 2015-07-27 2015-11-04 托肯恒山科技(广州)有限公司 Multifunctional high-pressure gas safety purifier
CN114728231A (en) * 2019-11-18 2022-07-08 曼·胡默尔有限公司 Air filter with primary and secondary air outlets

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105018167A (en) * 2015-07-27 2015-11-04 托肯恒山科技(广州)有限公司 Multifunctional high-pressure gas safety purifier
CN105018167B (en) * 2015-07-27 2018-09-07 托肯恒山科技(广州)有限公司 Multifunctional high pressure gas safety clarifier
CN114728231A (en) * 2019-11-18 2022-07-08 曼·胡默尔有限公司 Air filter with primary and secondary air outlets
CN114728231B (en) * 2019-11-18 2024-01-23 曼·胡默尔有限公司 Air filter with primary air outlet and secondary air outlet

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AV01 Patent right actively abandoned
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Granted publication date: 20160120

Effective date of abandoning: 20180907