CN206604319U - A kind of low pressure heavy caliber filter - Google Patents

Abstract

The utility model discloses a kind of low pressure heavy caliber filter, the filter includes cylinder, air inlet and gas outlet are provided with the cylinder, the inner barrel is located at is provided with filter assemblies between the air inlet and the gas outlet, the filter assemblies include lower gear bar, intermediate filtered cotton and the upper pressure fence being sequentially connected from the bottom to top, and the filter area of the filter assemblies and the area ratio of the air inlet are at least 30：1.The utility model has the small characteristic of pressure drop due to filter assemblies, the relatively low natural gas of pressure is enabled smoothly to be filled into filter cavity of resorption, then steam line is flowed into by filter outlet, simultaneously because not needing other auxiliary devices in the process so that filter has the advantages that simple in construction, manufacturing cost is low.

Description

A kind of low pressure heavy caliber filter

Technical field

The utility model is related to filter technology field, more particularly to a kind of low pressure heavy caliber filter.

Background technology

Present natural gas has been obtained as a kind of high-efficiency cleaning energy in industries such as urban heat supplying, generatings widely should With；Wherein, natural gas is essentially from multiple support channels such as coal bed gas, vehicle-mounted liquefied gas, compressed natural gas, oil field pipe natural gases, Yet with the reason such as pipeline aging and source of the gas diversity, inevitably cause natural gas purity difference, incrustation serious etc. and ask Topic.

Conventional natural gas purification techniques is to carry out fine filtering by the way of increase filter separator, wherein, filter In filter core typically use laminated glass fiber, filter media is folded in the structure type outside cylinder, for removing for 8 μm and the above Chalk dust removing efficiency >=99% between dust efficiency >=99.99%, 6~8 μm, the drum diameter of filter is Φ 80, single place Only 200 cubes or so per hour of reason amount, treating capacity is small, and when pressure difference is more than 0.05Mpa, should change filter core, use cost It is high.Yet with gas discharge pressure is low, natural gas purity difference, incrustation are serious and can not use this filter core.It is badly in need of one Kind dust treating capacity is big, the filter of low-pressure.

Utility model content

The utility model provides a kind of low for treating capacity present in prior art is small, the low problem of use cost Heavy caliber filter is pressed, dust treating capacity can be effectively raised, use cost is reduced, practical promoted extension is increased.

To achieve the above object, the utility model provides following scheme：

The utility model provides a kind of low pressure heavy caliber filter, and the filter includes setting on cylinder, the cylinder There are air inlet and gas outlet, the inner barrel, which is located at, is provided with filter assemblies, institute between the air inlet and the gas outlet State lower gear bar, intermediate filtered cotton and upper pressure fence that filter assemblies include being sequentially connected from the bottom to top, the mistake of the filter assemblies Filtering surface is accumulated and the area ratio of the air inlet is at least 30：1.

Optionally, the low pressure heavy caliber filter also includes head sealing cover, and the head sealing cover is arranged on the top of the cylinder Portion.

Optionally, the head sealing cover is connected with the cylinder by vessel flange.

Optionally, the low pressure heavy caliber filter also includes low head, and the low head is arranged under the cylinder Portion.

Optionally, the cylinder with the low head by being welded to connect.

Optionally, the low head is hollow hemisphere structure, and the bottom of the low head is provided with sewage draining exit, the row Dirty mouth is connected with blowoff valve.

Optionally, the sewage outfalls setting is on the central axis of the low head.

Optionally, it is provided with hanging support on the cylinder.

Optionally, the hanging support is uniformly arranged on outside the side wall of the cylinder.

A kind of gas air supply system, including above-mentioned low pressure heavy caliber filter are also provided in the utility model.

Had the advantages that relative to prior art the utility model：

1st, prior art is replaced by using the tube structure of major diameter in low pressure heavy caliber filter of the present utility model In tubular structure so that the increasing that may filter that area of filter, improve filter efficiency；

2nd, because filter assemblies have the small characteristic of pressure drop in low pressure heavy caliber filter of the present utility model so that pressure Relatively low natural gas can smoothly be filled into filter cavity of resorption, then flow into steam line by filter outlet, simultaneously because herein During need not other auxiliary devices so that filter has the advantages that simple in construction, manufacturing cost is low；

3rd, as a result of the big mouth of low pressure disclosed in the utility model in gas air supply system of the present utility model Footpath filter so that gas air supply system is adapted to the present situation that gas pressure in system is low, flow velocity is slow, dust-laden is big, It ensure that purification gas, the stable progress of supply gas work.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art In required for the accompanying drawing that uses be briefly described, it is clear that drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings Obtain other accompanying drawings.

Fig. 1 is the overall structure diagram of the utility model low pressure heavy caliber filter；

In figure：1- head sealing covers；2- vessel flanges；3- air inlets；4- cylinders；5- hanging supports；6- filter assemblies；Sealed under 7- Head；8- blowoff valves；9- gas outlets.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

The purpose of this utility model is to provide a kind of low pressure heavy caliber filter, can effectively raise dust processing Amount, reduces use cost, increases practical promoted extension.

To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool Body embodiment is described in further detail to the utility model.

The utility model as shown in Figure 1 provides a kind of low pressure heavy caliber filter, and the filter includes cylinder 4, described Air inlet 3 and gas outlet 9 are provided with cylinder 4, the cylinder 4 is internally located between the air inlet 3 and the gas outlet 9 and set Filter assemblies 6 are equipped with, the filter assemblies 6 include lower gear bar, intermediate filtered cotton and the upper pressure fence being sequentially connected from the bottom to top, The filter area of the filter assemblies 6 and the area ratio of the air inlet 3 are at least 30：1.

Natural gas is entered by air inlet 3 inside the cylinder 4 of low pressure heavy caliber filter, and subsequent natural gas was passed sequentially through Upper pressure fence, intermediate filtered cotton and the lower gear bar of component 6 are filtered, natural gas filtering work is completed；Due to the filtering surface of filter assemblies 6 Product is more than 30 times of the area of gas inlet 3, so the permeability of filter assemblies 6 is good, pressure drop is low, enables to pressure relatively low Natural gas can be smoothly by the filtering of low pressure heavy caliber filter, due to other attached need not set in the process It is standby so that filter has the advantages that simple in construction, manufacturing cost is low.Wherein, in order to meet, filter area is big, pressure drop is low, mistake Filter the cylinder that the cylinder 4 in efficiency high, the utility model is major diameter.

It is easily installed and repairs in order that obtains low pressure heavy caliber filter, the filtering of low pressure heavy caliber described in the utility model Device also includes head sealing cover 1, and the head sealing cover 1 is arranged on the top of the cylinder 4.Further, the institute in the utility model State head sealing cover 1 to be connected by vessel flange 2 with the cylinder 4 so that low pressure heavy caliber filter has convenient disassembly, intensity The high, advantage of good seal performance.

It is easy to make with transporting in order that obtaining low pressure heavy caliber filter, reduction cost of manufacture and cost of transportation, and to day Residual contaminants in right gas are effectively stored, it is to avoid residual contaminants block gas outlet 9, low pressure described in the utility model Heavy caliber filter also includes low head 7, and the low head 7 is arranged on the bottom of the cylinder 4.Further, this practicality The cylinder 4 in new, by being welded to connect, causes cylinder 4 to be linked to be with low head 7 in use with the low head 7 One entirety, it is ensured that the sealing property of low pressure heavy caliber filter.

Low head 7 described in the utility model is hollow hemisphere structure, and the bottom of the low head 7 is provided with blowdown Mouthful, the sewage draining exit is connected with blowoff valve 8 so that the pollutant inside low head 7 can be discharged smoothly.

In order to more smoothly carry out blowdown, sewage outfalls setting described in the utility model is at the center of the low head 7 On axis.For the ease of the installation of low pressure heavy caliber filter, hanging support 5 is provided with cylinder 4 described in the utility model； The hanging support 5 is uniformly arranged on outside the side wall of the cylinder 4.

A kind of gas air supply system is also provided in the utility model, including applies above-mentioned low pressure heavy caliber filter. So that gas air supply system is adapted to the present situation that gas pressure in system is low, flow velocity is slow, dust-laden is big, it is ensured that purification Gas, the stable progress of supply gas work.

Apply specific case in this specification to be set forth principle of the present utility model and embodiment, the above is real The explanation for applying example is only intended to help and understands method of the present utility model and its core concept；Simultaneously for the general of this area Technical staff, according to thought of the present utility model, will change in specific embodiments and applications.To sum up institute State, this specification content should not be construed as to limitation of the present utility model.

Claims (10)

1. a kind of low pressure heavy caliber filter, it is characterised in that：Including cylinder, air inlet and outlet are provided with the cylinder Mouthful, the inner barrel, which is located at, is provided with filter assemblies between the air inlet and the gas outlet, the filter assemblies include Lower gear bar, intermediate filtered cotton and the upper pressure fence being sequentially connected from the bottom to top, the filter area of the filter assemblies with it is described enter The area ratio of gas port is at least 30：1.

2. low pressure heavy caliber filter according to claim 1, it is characterised in that：The low pressure heavy caliber filter is also wrapped Head sealing cover is included, the head sealing cover is arranged on the top of the cylinder.

3. low pressure heavy caliber filter according to claim 2, it is characterised in that：The head sealing cover passes through with the cylinder Vessel flange is connected.

4. low pressure heavy caliber filter according to claim 1, it is characterised in that：The low pressure heavy caliber filter is also wrapped Low head is included, the low head is arranged on the bottom of the cylinder.

5. low pressure heavy caliber filter according to claim 4, it is characterised in that：The cylinder passes through with the low head It is welded to connect.

6. low pressure heavy caliber filter according to claim 4, it is characterised in that：The low head is hollow hemisphere knot Structure, the bottom of the low head is provided with sewage draining exit, and the sewage draining exit is connected with blowoff valve.

7. low pressure heavy caliber filter according to claim 6, it is characterised in that：The sewage outfalls setting is in the lower envelope On the central axis of head.

8. low pressure heavy caliber filter according to claim 1, it is characterised in that：Er Shizhi is provided with the cylinder Seat.

9. low pressure heavy caliber filter according to claim 8, it is characterised in that：The hanging support is uniformly arranged on institute State outside the side wall of cylinder.

10. a kind of gas air supply system, it is characterised in that：It is big including the low pressure as described in claim 1-9 any one Bore filter.