CN2797292Y - Vacuum multipoint centralized feeding dense phase pneumatic conveying device - Google Patents
Vacuum multipoint centralized feeding dense phase pneumatic conveying device Download PDFInfo
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- CN2797292Y CN2797292Y CN 200520069943 CN200520069943U CN2797292Y CN 2797292 Y CN2797292 Y CN 2797292Y CN 200520069943 CN200520069943 CN 200520069943 CN 200520069943 U CN200520069943 U CN 200520069943U CN 2797292 Y CN2797292 Y CN 2797292Y
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Abstract
The utility model discloses a vacuum multipoint centralized feeding dense phase pneumatic conveying device which is composed of a hopper, a feeding valve, a bin pump body, a vacuum control valve, a venturi pipe, an air inlet pipe, a discharge pipe, a discharge valve, a conveying main pipe, an auxiliary outer pipe, a connection pipe and a connection valve, wherein the upper end of the bin pump is connected with the venturi pipe and the air inlet pipe, the middle end is connected with the hopper and the lower end is connected with a conveying pipeline. As long as conveying compressed air is utilized, the negative pressure can not generated in a set of bin pumps to realize the multipoint centralized feeding of single hopper or more than two hoppers, and in addition, the positive pressure is generated, thereby, the dense phase long-distance conveyance is realized. One bin pump can substitute the functions of more than two bin pumps; the conveying pipeline in a conveying pipeline system connected with the bin pump is composed of a conveying main pipe, the auxiliary outer pipe, the connection pipe and the connection pipe control valve which are concurrent with the conveying outer tube.
Description
Technical field
The utility model relates to the close device of carrying mutually of powder, is particularly useful for fly ash, building material industry cement, the transport trolley of firepower electrical plant, the loose unpacked material loading and unloading of ship powder.
Background technology
At present, known malleation closed phase conveyer be rely on powder reenter the storehouse pump certainly, the restriction that is subjected to material properties from storage bin hopper to storehouse pump discharging angle is less than 60 °, so be applied in firepower electrical plant dust exhaustor following time, every ash bucket must be arranged a storehouse pump.Whole known malleation closed phase conveyer is made up of hopper, the storehouse pump that level-sensing device, inlet valve, discharge nozzle, air intake branch are housed and pipeline (carry female pipe, the female pipe of air inlet, blow gas shutoff pipe and freeing pipe) etc.Pump body top, storehouse is connected with inlet valve, hopper, air inlet pipe; The lower end is connected (during the discharging of top, pump body top, storehouse is connected with bleeder valve, the female pipe of conveying) with bleeder valve, the female pipe of conveying; The quantity that corresponding each ash bucket of this device is provided with 1 storehouse pump, storehouse pump is more, systematic comparison is complicated.
Employed transfer line has common tube, auxiliary outer tube, auxiliary interior pipe etc.Wherein, all to belong to be to help the blowpipe road to existing auxiliary outer tube.This blowpipe road that helps, a kind of be by the purpose made air compensation device will assist the pressurized air of outer tube mend from the top of carrying female pipe into; A kind of be by purpose made tonifying Qi chamber on the auxiliary outer tube will assist the pressurized air of outer tube mend from the bottom of carrying female pipe into; These two kinds existing auxiliary outer tubes help the common trait on blowpipe road, and the one, all need purpose made parts air compensation device, tonifying Qi chamber on the auxiliary outer tube; The 2nd, no matter which kind of situation all need force tonifying Qi to help to blow in ducting.Therefore, the manufacturing of this not only pipeline is comparatively complicated, cost is higher, and stability of Shu Songing and economy are relatively poor simultaneously, thereby have influenced the normal operation of feedway.
Summary of the invention
For overcome prior art system complexity, storehouse pump quantity many, make solid difficult, easy to wear, easy plugging, undercapacity, the unsettled shortcoming of conveying, the utility model provides a kind of novel malleation closed phase conveyer, only with carry pressurized air just can in a cover storehouse pump, both can produce vacuum realize single or two with the concentrated charging of elevating hopper multiple spot; Can produce malleation again, realize the close conveying of long distance mutually, just can substitute 2 above storehouse pumps with 1 storehouse pump.
The technical scheme that its technical matters that solves the utility model adopts is: the vacuum action pulling powder that the utility model relies on the storehouse pump to produce enters the storehouse pump, storage bin hopper is unrestricted to storehouse pump discharging angle, the utility model is by a kind of vacuum multiple feed, dense-phase pneumatic conveying device, and it comprises hopper, inlet valve, storehouse pump, vacuum control valve, Venturi tube; Female pipe of air inlet pipe, discharge nozzle, bleeder valve, conveying and auxiliary outer tube, connection pipe, control cock is characterized in that, pump body upper end in storehouse is connected with air inlet pipe with Venturi tube, middle-end by feed pipe and inlet valve be connected with hopper, the lower end is connected with transfer line; Venturi tube is connected with air inlet pipe by air intake control valve, also is connected with the storehouse pump by vacuum control valve; Carrying female pipe is with connection pipe the top to be connected with auxiliary outer tube.
The transfer line that is adopted is by carrying female pipe, auxiliary outer tube, connection pipe, connection pipe control cock to form.The female pipe of auxiliary outer tube and conveying is parallel; Carry between female pipe and the auxiliary outer tube, keeping at a certain distance away is provided with connection pipe; Establish control projection valve on the connection pipe, a termination is carried female pipe top, the defeated outer tube top that helps of another termination.
The beneficial effects of the utility model are:
Adopt the vacuum multiple spot to concentrate charging, with the storehouse pump of 1 storehouse pump replacement more than 2, whole device storehouse pump quantity reduces more than 1/2～2/3, and system is succinct, investment reduces, the operating maintenance amount reduces; The feedway of this multifunctional is carried dress ash in the pump of storehouse owing to adopt negative pressure to concentrate, and need the storehouse pump be installed under every ash bucket of dust exhaustor, is not subjected to hopper outlet limitation in height such as dust exhaustor, can reduce the dust exhaustor support height;
Pump storehouse, multi-functional storehouse pump has adopted the middle part charging, the rising of ash position steadily in the pump of storehouse in the pump of storehouse, filling efficient is higher, the full material level repeatability of filling is strong for material, be convenient to distribution control course of conveying fluidised form, thereby improve stability, the enhancing feedway carried the comformability of various operating modes improved transport efficiency;
Pump storehouse, multi-functional storehouse pump has adopted the exhaust of bleeding can enter in hopper top or the delivery duct according to on-site actual situations or filtration, noise reduction after exhaust to atmosphere, eradicated existing storehouse pump blow off valve worn-down typical fault;
The self-balancing delivery pipeline system makes the fluidised form of material in the delivery pipe, can be controlled and automatic compensation.Compare with existing interior Manifold technology: make the transmission failure that wearing and tearing simple, that avoided interior pipe skewed slot and damping cause; Along the parameter (pressure, flow etc.) of each conveyor zones of pipeline, also adjust on demand by adjusting to become, thereby improved the control intensity of carrying fluidised form has been improved the stability of carrying.Compare with existing outer Manifold technology: from appearance, adopt being connected of trunk line and auxiliary outer tube the top to connect (side bend is inboard to be connected) and reduced wearing and tearing; On mechanism, by all need under any state to force to help blow become utilize main and auxiliary pipeline differential pressure automatically when tendency appears in astable fluidised form, according to fluidised form automatic compensation, balance.Improved the stability of ducting.In processing, installation, maintenance, can reduce installation, difficulty of processing; Reduce pipeline manufacturing cost, alleviate and safeguard intensity and difficulty.
Description of drawings
The full drawings and Examples of knot describe in further detail the utility model below:
Fig. 1 is the utility model structural representation;
Fig. 2 is a multi-functional storehouse pump outside drawing;
Fig. 3 is the Venturi tube section-drawing;
Fig. 4 is the transfer line connection diagram;
Fig. 5 is aspiration vacuum process status figure;
Fig. 6 is the fill process constitution diagram;
Fig. 7 is discharging process status figure;
Among the figure: 1, hopper, 2, inlet valve, 3, vacuum control valve, 4, Venturi tube, 5, storehouse pump, 6, bleeder valve, 7, carry female pipe, 8, connection pipe, 9, auxiliary outer tube, 10, the connection pipe control cock, 11, storehouse pump air inlet valve, 12, vacuum-operated inlet valve, 13, air inlet pipe, 14, discharge nozzle, 15, inlet end, 16, vacuum end, 17, exhaust side, 18, level-sensing device, 19, feed pipe, 20, the Venturi tube air inlet valve.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model it comprise 2 hoppers (1), inlet valve (2), storehouse pump (5), vacuum control valve (3), Venturi tube (4); Air inlet pipe (13), discharge nozzle (14), bleeder valve (6), carry female pipe (7) and auxiliary outer tube (9), connection pipe (8), control cock (10), storehouse pump body (5) upper end is connected with air inlet pipe (13) with Venturi tube (4), middle-end by feed pipe and inlet valve (2) be connected with hopper, the lower end is connected with transfer line; Venturi tube (4) is connected with air inlet pipe (13) by air intake control valve (10), also is connected with storehouse pump (5) by vacuum control valve (3); Carrying female pipe (7) and auxiliary outer tube (9) is with connection pipe (8) top to be connected.Transfer line is by carrying the auxiliary outer tube (9) of female pipe (7), connection pipe (8) connection pipe control cock (10) to form, carry the parallel setting of female pipe and auxiliary outer tube, carrying keeps at a certain distance away between female pipe and the auxiliary outer tube (9) is provided with a connection pipe (8), connection pipe (8) is gone up cartridge control valve (10), control cock one termination is carried female pipe top, another termination is assisted the outer tube top, and the material level bucket (18) that shows material level is housed on storehouse pump (5).
As shown in Figure 3, the Venturi tube upper end is inlet end (15), has exhaust side (17), side that vacuum end (16) is arranged down.
As shown in Figure 4, carry the top of female pipe (7) to be connected with auxiliary outer tube (9) top, vacuum-operated inlet valve (10) is housed in connecting line (8) by connection pipe (8).
As shown in Figure 5, the aspiration vacuum process is: pressurized air forms vacuum through Venturi tube (4), and the residual air in the storehouse pump (5) enters hopper (1) top through vacuum control valve (3).When vacuum reaches setting value in the storehouse pump 5, enter the suction feed state.
As shown in Figure 6, fill process is: inlet valve (2) is opened, and material enters storehouse pump (5) from hopper (1) through inlet valve (2), and residual air enters hopper (1) through Venturi tube (4).When material level in the storehouse pump (5) reaches level-sensing device (18) setting material level, enter the malleation discharging.
As shown in Figure 7, the discharging process is: inlet valve (2) cuts out, and vacuum control valve (3) is closed, and vacuum-operated inlet valve (12) cuts out.This moment storehouse pump air inlet valve (11) open, when storehouse pump (5) when internal pressure reaches setting value storehouse pump bleeder valve (6) open, material is transported to assigned address by delivery duct under the effect of pressure.
Its concrete working process is:
Feedway when operation, at first will carry pressurized air to multifunctional storehouse pump (5) air feed, make generation negative pressure in the pump of storehouse by Venturi tube (4), the exhaust of bleeding enter hopper (1) or through the noise reduction emptying, enter delivery duct.In negative pressure value in the pump of storehouse reaches enough suction hoppers (1), during material, close vacuum control valve (3), close Venturi tube air inlet valve (20), open the pneumatic inlet valve (2) of being located at pump middle part, storehouse.Utilize the deadweight effect of the interior negative pressure of multifunctional storehouse pump (5) and interior Negative Pressure Difference of hopper (1) and material this moment, beginning convey materials in the pump of storehouse.When reaching the high charge level of setting in the pump of storehouse, by various modes, close the pneumatic inlet valve of storehouse pump (2), unlatching is to storehouse pump supercharging, conveying compressed-air actuated storehouse pump air inlet valve (11), carry this moment pressurized air in the pump of storehouse, to change malleation into and carry source of the gas, change malleation into by negative pressure in the pump body of storehouse.When storehouse pump body internal pressure is elevated to storehouse pump turn on pump pressure, by various controls, open storehouse pump bleeder valve (6), in the pump of storehouse dry ash in the pump of storehouse with the effect of delivery duct internal pressure differences under, be transported to and carry out positive densification in the delivery duct and carry mutually.
When material enters self-balancing delivery pipeline system ducting, all can keep the steady of material by the female pipe of conveying (7), auxiliary outer tube (9) compressed air pressure self-equalizing at any position of carrying female pipeline, failure-free is carried.(be reflected in the pressure parameter variation) when in carrying female pipeline, the plugging tendency taking place, plugging tendency zone forefront pressure raises, rear end pressure reduces, the outer tube compressed air will flow into the rear end reduction pressure in plugging tendency zone, the material in pulling plugging tendency zone automatically through connection pipe (8) this moment; The material in plugging tendency zone promotes at forefront pressure, the back terminal pressure obtains balance under spurring automatically.Control cock (10) on the connection pipe (8) can be adjusted to the parameter that needs as required.
Claims (2)
1, a kind of vacuum multiple spot is concentrated charging, dense-phase pneumatic conveying device, and it comprises hopper (1), inlet valve (2), storehouse pump (5), vacuum control valve (3), Venturi tube (4); Air inlet pipe (13), discharge nozzle (14), bleeder valve (6), transfer line, it is characterized in that, storehouse pump body (5) upper end is connected with air inlet pipe (13) with Venturi tube (4), middle-end by feed pipe and inlet valve (2) be connected with hopper, the lower end is connected with transfer line; Venturi tube (4) is connected with air inlet pipe (13) by air intake control valve (10), also is connected with storehouse pump (5) by vacuum control valve (3).
2, vacuum multiple spot according to claim 1 is concentrated charging, dense-phase pneumatic conveying device, it is characterized in that transfer line is by carrying female pipe (7), auxiliary outer tube (9), connection pipe (8) connection pipe control cock (10) to form, carry female pipe (7) and auxiliary outer tube (9) parallel, carrying keeps at a certain distance away to be provided with on connection pipe (7), the connection pipe (7) between female pipe and the auxiliary outer tube (8) establishes control cock (10), control cock one termination is carried female pipe top, and another termination is assisted the outer tube top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069943 CN2797292Y (en) | 2005-03-16 | 2005-03-16 | Vacuum multipoint centralized feeding dense phase pneumatic conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069943 CN2797292Y (en) | 2005-03-16 | 2005-03-16 | Vacuum multipoint centralized feeding dense phase pneumatic conveying device |
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| Publication Number | Publication Date |
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| CN2797292Y true CN2797292Y (en) | 2006-07-19 |
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| CN 200520069943 Expired - Fee Related CN2797292Y (en) | 2005-03-16 | 2005-03-16 | Vacuum multipoint centralized feeding dense phase pneumatic conveying device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852334A (en) * | 2010-04-22 | 2010-10-06 | 广东建华管桩有限公司 | Pneumatic and automatic conveying device for residual slurry |
| CN102149620A (en) * | 2008-09-10 | 2011-08-10 | 马里凯普有限公司 | Method and arrangement in a pneumatic material conveying system |
| CN103600994A (en) * | 2013-11-22 | 2014-02-26 | 镇江市电站辅机厂有限公司 | Pneumatic limestone powder conveying system |
| CN103723519A (en) * | 2013-12-30 | 2014-04-16 | 陕西大唐新能电力设计有限公司 | Coal ash collecting and delivery method |
| CN104555437A (en) * | 2013-10-20 | 2015-04-29 | 宁夏嘉翔自控技术有限公司 | Pneumatic conveying system for soybeans |
| CN108144533A (en) * | 2017-12-29 | 2018-06-12 | 合肥通用机械研究院 | Marine drilling platform automation mixing device |
| CN108636949A (en) * | 2018-04-10 | 2018-10-12 | 红云红河烟草(集团)有限责任公司 | A kind of wind-force feed system plugging detection automatic dredging method |
| CN110371678A (en) * | 2019-07-24 | 2019-10-25 | 浙江管工智能机械设备有限公司 | A kind of storehouse pump transportation system |
-
2005
- 2005-03-16 CN CN 200520069943 patent/CN2797292Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102149620A (en) * | 2008-09-10 | 2011-08-10 | 马里凯普有限公司 | Method and arrangement in a pneumatic material conveying system |
| CN101852334A (en) * | 2010-04-22 | 2010-10-06 | 广东建华管桩有限公司 | Pneumatic and automatic conveying device for residual slurry |
| CN101852334B (en) * | 2010-04-22 | 2012-12-19 | 广东建华管桩有限公司 | Pneumatic and automatic conveying device for residual slurry |
| CN104555437A (en) * | 2013-10-20 | 2015-04-29 | 宁夏嘉翔自控技术有限公司 | Pneumatic conveying system for soybeans |
| CN103600994A (en) * | 2013-11-22 | 2014-02-26 | 镇江市电站辅机厂有限公司 | Pneumatic limestone powder conveying system |
| CN103723519A (en) * | 2013-12-30 | 2014-04-16 | 陕西大唐新能电力设计有限公司 | Coal ash collecting and delivery method |
| CN108144533A (en) * | 2017-12-29 | 2018-06-12 | 合肥通用机械研究院 | Marine drilling platform automation mixing device |
| CN108144533B (en) * | 2017-12-29 | 2020-09-01 | 合肥通用机械研究院有限公司 | Automatic blending equipment for offshore drilling platform |
| CN108636949A (en) * | 2018-04-10 | 2018-10-12 | 红云红河烟草(集团)有限责任公司 | A kind of wind-force feed system plugging detection automatic dredging method |
| CN110371678A (en) * | 2019-07-24 | 2019-10-25 | 浙江管工智能机械设备有限公司 | A kind of storehouse pump transportation system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |