CN207159158U

CN207159158U - Biomass pressure conveyer device

Info

Publication number: CN207159158U
Application number: CN201721033761.2U
Authority: CN
Inventors: 张伟
Original assignee: Wuhan Gauss Ecological Energy Technology Co Ltd
Current assignee: Wuhan Gauss Ecological Energy Technology Co Ltd
Priority date: 2017-08-17
Filing date: 2017-08-17
Publication date: 2018-03-30
Anticipated expiration: 2027-08-17

Abstract

The utility model discloses a kind of biomass pressure conveyer device, including：Feed bin；Head tank；Two lock hoppers, it is connected by a lock hopper inlet valve with the discharging opening of the feed bin respectively；Each lock hopper is connected by a lock hopper outlet valve with the charging aperture of the head tank respectively；Pressure release valve group, it is communicated between two lock hoppers；Two balanced valves, it is corresponded with two lock hoppers；For wherein any one balanced valve, one end is communicated in one of lock hopper, and the other end is communicated in the head tank；Gas ducting, its be communicated in described two lock hoppers it；The utility model uses twin-lock bucket, can give another lock hopper pressurising while a lock hopper pressure release, both save the gas consumption of biomass lock hopper pressurising, and shortened the time of pressurising and the pressure release of biomass lock hopper again, and improved the service efficiency of biomass lock hopper.

Description

Biomass pressure conveyer device

Technical field

It the utility model is related to biomass pressurized delivered field, more particularly to a kind of biomass pressure conveyer device.

Background technology

Biomass pressurized delivered is a kind of technique that biomass pressurized delivered is entered to gasification furnace, the technological operation is simple, Utilization of materials, it can flexibly can handle, the primary valve of a variety of biomass and coal biomass pressure conveyer device has biomass lock Struggle against inlet valve, biomass lock hopper outlet valve, biomass lock hopper pressure release valve group, balanced valve.The device requires valve under High Pressure Difference Can reliably it seal, the high-pressure section and low-pressure section of realization device are completely isolated；Valve will can cut off material, do not build the pressure, do not block It is puckery；Valve cavity can not influence the regular event of valve because of the accumulation of material.In existing biomass pressure conveyer device On, use hard seal ball valve, be so easy to occur valve element wash away it is serious, build the pressure, bite the problems such as, to the essence of sealing surface Degree requires at a relatively high, and not in place or in the case of having buildup in valve switch, sealing surface and valve element are easily washed away and worn, So as to cause serious leak.

And in general biomass pressure conveyer device all only has a biomass lock hopper, the speed of pressurising and pressure release compared with Slowly, once there is clogging, the device must be suspended, so have a strong impact on the speed of biomass charging.

Utility model content

A purpose of the present utility model is that solve at least the above, and provides the advantages of at least will be described later.

The utility model also has a purpose to be to provide a kind of biomass pressure conveyer device, including：

Feed bin；

Head tank；

Two lock hoppers, it is connected by a lock hopper inlet valve with the discharging opening of the feed bin respectively；Each lock hopper point Do not connected by a lock hopper outlet valve with the charging aperture of the head tank；

Pressure release valve group, it is communicated between two lock hoppers；The pressure release valve group includes being respectively communicated with described in two The first relief valve being serially connected between lock hopper, the second relief valve is connected in parallel between two the first relief valves；

Two balanced valves, it is corresponded with two lock hoppers；It is communicated in wherein for wherein any one balanced valve, one end One lock hopper, the other end are communicated in the head tank；

Gas ducting, it is communicated between described two lock hoppers, and the gas ducting connects with the source nitrogen in the external world.

Preferably, described biomass pressure conveyer device, the feed bin is interior to set reducing mechanism.

Preferably, described biomass pressure conveyer device, the reducing mechanism include；

Crushing chamber, it is vertically positioned in the feed bin；The crushing chamber is interior hollow cylindrical-shaped structure, the crushing chamber top Portion opens up feed(raw material)inlet；The side wall of the crushing chamber is made up of screen pack, and its bottom is provided with the sealing plate system of openings by surface Into；

Blower fan, it is stretched into the crushing chamber through the openings on the sealing plate；

Multiple crushing rods, its be spaced vertically in the crushing chamber, the crushing rod with rotation connection, band The dynamic rotation for crushing rod；Each rotary shaft for crushing rod and including being vertically arranged, and be sequentially arranged at from top to bottom Multiple crushing layers of the rotary shaft surrounding, each crushing layer include it is horizontal be fastened on rotary shaft is in coniform baffle plate, with And ring is located at multiple Disintegrating knifes of rotary shaft surrounding, wherein, the Disintegrating knife is located at below the baffle plate, and the baffle plate exists The diameter of the projection of horizontal plane is less than length of the Disintegrating knife in horizontal projection；For wherein two crushing of arbitrary neighborhood Layer, the size of the crushing layer of lower section are all higher than the crushing layer of top；

First baffle, be vertically arranged, it is up-small and down-big and both ends open round-like structure, the first baffle it is upper Hold along the seamless outside for being sheathed on the crushing chamber top；

Second baffle, be vertically arranged, it is up-small and down-big and both ends open round-like structure, the second baffle it is upper End ring shape fits in position of the inwall close to bottom of the feed bin；The side of the second baffle opens up multiple through holes；

Dust arrester, it includes ring shaped movable and fits in the annular body of rod of the feed bin inwall, and is fixed on the ring Two annular dedusting plates of shape body of rod both sides, the annular dedusting plate are directly contacted and offseted with the feed bin inwall.

Preferably, described biomass pressure conveyer device, in addition to：

Multiple mechanical vibrators, what it was spaced is attached at the inwall of the feed bin.

Preferably, described biomass pressure conveyer device, the feed bin inwall coat wear-resistant paint layer.

Preferably, described biomass pressure conveyer device, the charging top tank structure coating wear-resistant paint layer.

Preferably, described biomass pressure conveyer device, the lock hopper inlet valve, the lock hopper outlet valve, first Relief valve and the second relief valve are dome valve.

Preferably, described biomass pressure conveyer device, the dust arrester be located at the first baffle with it is described Between second baffle.

The utility model comprises at least following beneficial effect：

(1) the without hindrance flowing of material in valve body is realized, the valve body phase contactless with valve core chamber during opening and closing Cause dome valve to accomplish that abrasion is minimum in Flow of Goods and Materials and in the opening and closing of valve to motion, avoid wash away phenomenon, eliminate Influence of the solid accumulation to valve, substantially prolongs the service life of valve；Maintenance cost in reduction；

(2) the utility model uses twin-lock bucket, can give another lock hopper pressurising while a lock hopper pressure release, both save The gas consumption of biomass lock hopper pressurising, the time of pressurising and the pressure release of biomass lock hopper is shortened again, improve biomass lock The service efficiency of bucket.

Further advantage, target and feature of the present utility model embody part by following explanation, and part will also pass through Research of the present utility model and practice are understood by the person skilled in the art.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation of the reducing mechanism in the utility model.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation Book word can be implemented according to this.

It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more The presence or addition of individual other elements or its combination.

In description of the present utility model, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear", "left", "right", The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or Position relationship, it is for only for ease of description the utility model and simplifies description, is not instruction or implies signified device or member Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

As shown in figure 1, the utility model provides a kind of biomass pressure conveyer device, including：

Feed bin 1；

Head tank 2；

Two lock hoppers 3, it is connected by a lock hopper inlet valve 4 with the discharging opening of the feed bin 1 respectively；Each lock hopper 3 are connected by a lock hopper outlet valve 5 with the charging aperture of the head tank 2 respectively；

Pressure release valve group 6, it is communicated between two lock hoppers 3；The pressure release valve group 6 includes being respectively communicated with two institutes The first relief valve 610 being serially connected between lock hopper 3 is stated, being connected in parallel second between two the first relief valves 610 lets out Pressure valve 620；

Two balanced valves 7, it is corresponded with two lock hoppers 3；For wherein any one balanced valve 7, one end is communicated in One of lock hopper 3, the other end are communicated in the head tank 2；

Gas ducting 8, it is communicated between described two lock hoppers 3, and the gas ducting 8 connects with the source nitrogen in the external world.

Biomass pressure conveyer device of the present utility model is as follows using step：

Step 1：It is normal pressure in the lock hopper 3 on the left side, in the case that material position is sky, opens the lock hopper inlet valve 4 on the left side, Biomass is just entered from feed bin 1 in the lock hopper 3 on the left side, when high charge level signal occurs in the lock hopper 3 on the left side, closes the left side Lock hopper inlet valve 4；

Step 2：By lock hopper 3 pressurising of the pressurising pipeline to the left side, until the pressure in the lock hopper 3 on the left side and head tank 2 In pressure approach；

Step 3：The balanced valve 7 on the left side is opened, makes the lock hopper 3 on the left side and the pressure balance in head tank 2；

Step 4：The lock hopper outlet valve 5 on the left side is opened, biomass enters in head tank 2 from the lock hopper 3 on the left side, afterwards The balanced valve 7 on the left side is first closed, turns off the lock hopper outlet valve 5 on the left side.

Step 5：It is divided into two kinds of situations：First, in the case that lock hopper 3 on the right needs pressurising, open two first and let out Pressure valve 610, the lock hopper 3 on the right are in pressure release state, and pressure is let out to normal pressure, close two the first relief valves 610；Second, on the right side In the case that the lock hopper 3 on side does not need pressurising, first relief valve 610 and the second relief valve 620 on the left side, the lock hopper on the right are opened 3 are in pressure release state, and pressure is let out to normal pressure, close first relief valve 610 and the second relief valve 620 on the left side；Both feelings Under condition, step 1 is all back to.

The lock hopper 3 on the right, step is same as above.

As shown in Fig. 2 in another embodiment, described biomass pressure conveyer device, the feed bin 1 is interior to set powder Crushing device, the reducing mechanism include；

Crushing chamber 910, it is vertically positioned in the feed bin 1；The crushing chamber 910 is interior hollow cylindrical-shaped structure, described The top of crushing chamber 910 opens up feed(raw material)inlet；The side wall of the crushing chamber 910 is made up of screen pack, and its bottom is provided with by surface and passed through The sealing plate of port is made；

Blower fan 920, it is stretched into the crushing chamber 910 through the openings on the sealing plate；

Multiple crushing rods 930, what it was spaced is located in the crushing chamber 910 vertically, and the crushing rod 930 is with turning Dynamic connection, drive the rotation for crushing rod 930；Each rotary shaft 931 for crushing rod 930 and including being vertically arranged, with And interval is located at multiple crushing layers of the rotary shaft surrounding successively from top to bottom, each crushing layer is fastened on rotation including level Axle 931 is in coniform baffle plate 932, and ring is located at multiple Disintegrating knifes 933 of the surrounding of rotary shaft 931, wherein, the powder Broken blade 933 exists positioned at the lower section of baffle plate 932, the diameter of projection of the baffle plate 932 in horizontal plane less than Disintegrating knife 933 The length of horizontal projection；For wherein two crushing layers of arbitrary neighborhood, the size of the crushing layer of lower section is all higher than top Crushing layer；

First baffle 940, is vertically arranged, and it is up-small and down-big and both ends open round-like structure, the first baffle 940 upper end edge is seamless to be sheathed on the outside on the top of crushing chamber 910；

Second baffle 950, is vertically arranged, and it is up big and down small and both ends open round-like structure, the second baffle 950 upper end annular fits in the inwall of the feed bin 1 close to the position of bottom；

Dust arrester 960, it includes ring shaped movable and fits in the annular body of rod of the inwall of feed bin 1, and is fixed on institute Two annular dedusting plates of annular body of rod both sides are stated, the annular dedusting plate is directly contacted and offseted with the inwall of feed bin 1.

During utility model works, material enters crushing chamber 910 by the charging aperture of feed bin 1 first, then crushes rod Disintegrating knife in 930 will carry out pulverization process to material, and in crushing process, materials from spattering, baffle plate 932 stops, continue Crushed by Disintegrating knife, can so effectively improve crushing effect；Material through crushing passes through the side wall mistake of crushing chamber 910 Filter enters in feed bin 1；Dust arrester 960 will be purged to the granular material sticked in feed bin side wall, with recycling；

In another embodiment, described biomass pressure conveyer device, in addition to：

Multiple mechanical vibrators, what it was spaced is attached at the inwall of the feed bin 1, further to sticking in feed bin side wall Granular material be purged, with recycling.

Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art, Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality Specific details is not limited to new and shown here as the legend with description.

Claims

A kind of 1. biomass pressure conveyer device, it is characterised in that including：

Feed bin；

Head tank；

Two lock hoppers, it is connected by a lock hopper inlet valve with the discharging opening of the feed bin respectively；Each lock hopper is led to respectively A lock hopper outlet valve is crossed to connect with the charging aperture of the head tank；

Pressure release valve group, it is communicated between two lock hoppers；The pressure release valve group includes being respectively communicated with two lock hoppers Between the first relief valve being serially connected, be connected in parallel the second relief valve between two the first relief valves；

Two balanced valves, it is corresponded with two lock hoppers；One of them is communicated in for wherein any one balanced valve, one end Lock hopper, the other end are communicated in the head tank；

Gas ducting, it is communicated between described two lock hoppers, and the gas ducting connects with the source nitrogen in the external world.
2. biomass pressure conveyer device as claimed in claim 1, it is characterised in that reducing mechanism is set in the feed bin.
3. biomass pressure conveyer device as claimed in claim 2, it is characterised in that the reducing mechanism includes；

Crushing chamber, it is vertically positioned in the feed bin；The crushing chamber is interior hollow cylindrical-shaped structure, is opened at the top of the crushing chamber If feed(raw material)inlet；The side wall of the crushing chamber is made up of screen pack, and the sealing plate that its bottom is provided with openings by surface is made；

Blower fan, it is stretched into the crushing chamber through the openings on the sealing plate；

Multiple crushing rods, what it was spaced is located in the crushing chamber vertically, and the crushing rod drives institute with rotation connection State the rotation for crushing rod；Each rotary shaft for crushing rod and including being vertically arranged, and be sequentially arranged at from top to bottom described Multiple crushing layers of rotary shaft surrounding, each crushing layer include it is horizontal be fastened on rotary shaft is in coniform baffle plate, Yi Jihuan Multiple Disintegrating knifes of rotary shaft surrounding are located at, wherein, the Disintegrating knife is located at below the baffle plate, and the baffle plate is in level The diameter of the projection in face is less than length of the Disintegrating knife in horizontal projection；For wherein two crushing layers of arbitrary neighborhood, under The size of the crushing layer of side is all higher than the crushing layer of top；

First baffle, it is vertically arranged, it is up-small and down-big and both ends open round-like structure, the upper end edge of the first baffle The seamless outside for being sheathed on the crushing chamber top；

Second baffle, it is vertically arranged, it is up-small and down-big and both ends open round-like structure, the top ring of the second baffle Shape fits in position of the inwall close to bottom of the feed bin；The side of the second baffle opens up multiple through holes；

Dust arrester, it includes ring shaped movable and fits in the annular body of rod of the feed bin inwall, and is fixed on the circular rod Two annular dedusting plates of body both sides, the annular dedusting plate are directly contacted and offseted with the feed bin inwall.
4. biomass pressure conveyer device as claimed in claim 1, it is characterised in that also include：

Multiple mechanical vibrators, what it was spaced is attached at the inwall of the feed bin.
5. biomass pressure conveyer device as claimed in claim 1, it is characterised in that the feed bin inwall coats wear-resistant paint Layer.
6. biomass pressure conveyer device as claimed in claim 1, it is characterised in that the charging top tank structure coats wear-resisting painting The bed of material.
7. biomass pressure conveyer device as claimed in claim 1, it is characterised in that the lock hopper inlet valve, the lock hopper Outlet valve, the first relief valve and the second relief valve are dome valve.
8. biomass pressure conveyer device as claimed in claim 3, it is characterised in that the dust arrester is located at described first Between baffle plate and the second baffle.