阅读说明：本技术 一种高效农用排污泵 (High-efficient agricultural dredge pump ) 是由 胡东 谭志成 何嘉妮 于 2020-07-16 设计创作，主要内容包括：本发明公开一种专用于农业污水排污且可明显提高排污效率、有效解决排污堵塞的高效农用排污泵。其包括套筒及套筒内依次连接设置的连接管、上泵体、中泵体、下泵体和吸料管,泵体外部设有用于引入压缩空气的进气孔洞；套筒外部焊接有水射流喷嘴及用于调节喷嘴角度的喷嘴机械调节器,以达到破碎搅拌的目的。本发明与传统的农用排污泵相比,具有安装方便、结构简单紧凑、无内部活动部件等优点,尤其是喷嘴角度可调节的设置可对底部污泥进行破碎搅拌,具有物料抽吸浓度范围广、安全性高、工作效率高、易于维护与运行成本低的优点,实用性强。(The invention discloses a high-efficiency agricultural sewage pump which is specially used for agricultural sewage discharge, can obviously improve the sewage discharge efficiency and effectively solves the problem of sewage discharge blockage. The pump comprises a sleeve, and a connecting pipe, an upper pump body, a middle pump body, a lower pump body and a material suction pipe which are sequentially connected and arranged in the sleeve, wherein an air inlet hole for introducing compressed air is formed in the outer part of the pump body; the water jet nozzle and the nozzle mechanical adjuster for adjusting the angle of the nozzle are welded outside the sleeve, so that the purposes of crushing and stirring are achieved. Compared with the traditional agricultural sewage pump, the agricultural sewage pump has the advantages of convenience in installation, simple and compact structure, no internal movable part and the like, particularly, the adjustable nozzle angle can crush and stir bottom sludge, and the agricultural sewage pump has the advantages of wide material suction concentration range, high safety, high working efficiency, easiness in maintenance, low operation cost and high practicability.)

1. An efficient agricultural sewage pump is characterized in that: the pump comprises a sleeve, and a connecting pipe, an upper pump body, a middle pump body, a lower pump body and a material sucking pipe which are sequentially connected from top to bottom in the sleeve; the upper pump body, the middle pump body and the lower pump body are sequentially coaxially connected to form an axial air inlet chamber; the sleeve is provided with an air inlet hole for introducing compressed air; the top end of the connecting pipe is connected with a pipeline flange to form a material conveying channel for lifting materials; the material suction pipe is used for sucking materials; a fixed sleeve plate is sleeved outside the upper pump body and positioned below the air inlet hole, and a through hole for air to pass through is formed in the fixed sleeve plate; a cavity is arranged below the fixed sleeve plate and is positioned in a layer gap between the middle pump body and the sleeve; the fixed sleeve plate, the upper pump body, the middle pump body and the cavity together form a ventilation flow channel for axial air intake, the top of the ventilation flow channel is communicated with the through hole, and the bottom of the ventilation flow channel is communicated with the interior of the middle pump body;

the telescopic bottom is equipped with nozzle holder, the last water jet nozzle that is equipped with of nozzle holder, telescopic one side is equipped with the oil pressure regulating chamber, the water jet nozzle with the oil pressure regulating chamber is connected, adjusts the messenger the indoor production pressure change of oil pressure regulating can drive the motion of movable connecting rod, and then right the jet angle of water jet nozzle is adjusted, reaches the purpose to sewage bottom mud breakage and stirring.

2. A high efficiency agricultural dredge pump of claim 1, characterized by: the oil pressure regulation room is including being fixed in the regulator sleeve of sleeve one side, set up in transmission spur rack in the regulator sleeve and with the adjustable screw rod of transmission spur rack meshing, the indoor piston of big oil pressure is connected to the bottom of transmission spur rack, big oil pressure room and a little oil pressure room UNICOM rotate adjustable screw rod can make the transmission spur rack reciprocates, and then the drive the piston is in the interior up-and-down motion of big oil pressure room makes big oil pressure room with little oil pressure room produces pressure variation in step.

3. A high efficiency agricultural dredge pump of claim 2, characterized in that: the water jet nozzle is rotatably connected with the nozzle bracket, the top of the water jet nozzle is hinged with a movable connecting rod, and the movable connecting rod is connected with the small oil pressure chamber; when the pressure in the small oil pressure chamber changes synchronously with the large oil pressure chamber, the movable connecting rod can be driven to reciprocate, and the jet angle of the water jet nozzle can be adjusted.

4. A high efficiency agricultural dredge pump of claim 2, characterized in that: the small oil pressure chamber is arranged on the nozzle support, and at least two water jet nozzles are symmetrically arranged on the nozzle support.

5. A high efficiency agricultural dredge pump of claim 1, characterized by: the middle channel of the upper pump body is cylindrical, the peripheral top of the middle channel is cylindrical, and the peripheral bottom of the middle channel is in an outward gradually-expanding conical shape; and flanges which are used for being matched and welded with the connecting pipe and the middle pump body are respectively arranged at the upper end and the lower end of the upper pump body.

6. A high efficiency agricultural dredge pump of claim 1, characterized by: the top of the middle channel of the middle pump body is cylindrical, and the bottom of the middle channel of the middle pump body is in an outward gradually-expanding conical shape; the top end of the middle pump body is provided with a flange which is used for being matched and welded with the upper pump body, and the bottom end of the middle pump body is provided with an annular concave platform and a protruding extension part; the tail end of the extension part is provided with a threaded hole used for being connected with the lower pump body, the bottom of the extension part is provided with a groove, and the middle of the extension part is uniformly provided with an air inlet hole used for fixing an air cavity and circulating air.

7. A high efficiency agricultural dredge pump of claim 6, characterized in that: the inner channel of the lower pump body is cylindrical, the periphery of the top end of the inner channel is conical, and the inner cone at the lower end of the middle pump body is matched with the outer cone at the top end of the inner channel to form an annular air inlet chamber communicated with the ventilation flow channel; the periphery of the bottom end of the internal channel is provided with a radial bulge, and the bulge part is provided with an axial through hole used for being connected with the middle pump body.

8. A high efficiency agricultural dredge pump of claim 1, characterized by: the middle channel of the material suction pipe is a tapered channel which is gradually expanded downwards; and an annular flange is arranged on the periphery of the top of the material suction pipe and is used for being matched and welded with the bottom end of the lower pump body.

9. A high efficiency agricultural dredge pump of claim 1, characterized by: a bent pipe is arranged at the air inlet hole; and two ports of the bent pipe are both arranged in a step shape, one end of the bent pipe is used for being matched and welded with the air inlet hole, and the other end of the bent pipe is used for being connected with an external air compressor pipeline.

10. A high efficiency agricultural dredge pump of claim 1, characterized by: the middle channel of the sleeve is cylindrical, and concave edges are arranged at two ends of the sleeve and are used for being welded and sealed with the upper end cover and the lower end cover respectively; the inner wall of the middle-upper part of the sleeve is welded with the outer edge of the fixed sleeve plate and is used for fixing and supporting the sleeve.

Technical Field

The invention relates to the technical field of agricultural sewage discharge, in particular to a high-efficiency agricultural sewage discharge pump.

Background

In recent years, the degree of mechanization of agricultural production is increasing day by day, the usage amount of chemical fertilizers is also increasing day by day, and the discharge amount of agricultural sewage is increasing year by year. Because the agricultural sewage affects the human health and the environmental quality and has high pollution and harmfulness, the reasonable and efficient centralized treatment of the agricultural sewage becomes a problem which is very important for all countries. The extraction of the agricultural sewage is the first step of harmless centralized treatment of the agricultural sewage, and a pollution discharge technology for bearing the extraction of the agricultural sewage becomes a main research and development technology.

At present, the existing agricultural sewage disposal technology comprises a single (double) runner type sewage disposal pump, a rotational flow type sewage disposal pump, a spiral sewage disposal pump and the like. The pump body of the existing sewage pump is close to the motor, so that rotating parts such as an impeller and the like are easily blocked and damaged by solid materials in agricultural sewage, and large-particle materials at the bottom of the sewage are difficult to achieve the purpose of suction, and finally the problems of low sewage discharge efficiency, small material suction concentration range, high later maintenance cost and the like are caused. The defects provide higher requirements for the sealing performance of the pump and the bearing capacity of the motor, and after all factors are comprehensively considered, the invention provides the novel pump capable of realizing the suction of the high-concentration sewage and the crushing and suction of the bottom dirt.

Disclosure of Invention

The invention aims to provide a novel high-efficiency agricultural sewage pump, which can realize the suction of sewage with large concentration and the crushing and suction of bottom dirt so as to solve the problems of low efficiency, narrow range of material suction concentration, difficult damage and suction of bottom sludge dirt, high maintenance cost and the like of the traditional sewage pump in the aspect of sewage discharge.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a high-efficiency agricultural sewage pump which comprises a sleeve, and a connecting pipe, an upper pump body, a middle pump body, a lower pump body and a material suction pipe which are sequentially connected from top to bottom in the sleeve; the upper pump body, the middle pump body and the lower pump body are sequentially coaxially connected to form an axial air inlet chamber; the sleeve is provided with an air inlet hole for introducing compressed air; the top end of the connecting pipe is connected with a pipeline flange to form a material conveying channel for lifting materials; the material suction pipe is used for sucking materials; a fixed sleeve plate is sleeved outside the upper pump body and positioned below the air inlet hole, and a through hole for air to pass through is formed in the fixed sleeve plate; a cavity is arranged below the fixed sleeve plate and is positioned in a layer gap between the middle pump body and the sleeve; the fixed sleeve plate, the upper pump body, the middle pump body and the cavity together form a ventilation flow channel for axial air intake, the top of the ventilation flow channel is communicated with the through hole, and the bottom of the ventilation flow channel is communicated with the interior of the middle pump body;

the telescopic bottom is equipped with nozzle holder, the last water jet nozzle that is equipped with of nozzle holder, telescopic one side is equipped with the oil pressure regulating chamber, the water jet nozzle with the oil pressure regulating chamber is connected, adjusts the messenger the indoor production pressure change of oil pressure regulating can drive the motion of movable connecting rod, and then right the jet angle of water jet nozzle is adjusted, reaches the purpose to sewage bottom mud breakage and stirring.

Optionally, the oil pressure regulation room including be fixed in the regulator sleeve of sleeve one side, set up in transmission spur rack in the regulator sleeve and with the adjustable screw of transmission spur rack meshing, the indoor piston of big oil pressure is connected to the bottom of transmission spur rack, big oil pressure room and a little oil pressure room UNICOM rotate adjustable screw can make the transmission spur rack reciprocates, and then the drive the piston is in the interior up-and-down motion of big oil pressure room makes big oil pressure room with little oil pressure room produces pressure variation in step.

Optionally, the water jet nozzle is rotatably connected with the nozzle support, a movable connecting rod is hinged to the top of the water jet nozzle, and the movable connecting rod is connected with the small oil pressure chamber; when the pressure in the small oil pressure chamber changes synchronously with the large oil pressure chamber, the movable connecting rod can be driven to reciprocate, and the jet angle of the water jet nozzle can be adjusted.

Optionally, the small oil pressure chamber is mounted on the nozzle support, and the nozzle support is symmetrically provided with at least two water jet nozzles.

Optionally, the middle channel of the upper pump body is cylindrical, the peripheral top of the middle channel is cylindrical, and the peripheral bottom of the middle channel is tapered outward; and flanges which are used for being matched and welded with the connecting pipe and the middle pump body are respectively arranged at the upper end and the lower end of the upper pump body.

Optionally, the top of the middle channel of the middle pump body is cylindrical, and the bottom of the middle channel of the middle pump body is in an outward divergent conical shape; the top end of the middle pump body is provided with a flange which is used for being matched and welded with the upper pump body, and the bottom end of the middle pump body is provided with an annular concave platform and a protruding extension part; the tail end of the extension part is provided with a threaded hole used for being connected with the lower pump body, the bottom of the extension part is provided with a groove, and the middle of the extension part is uniformly provided with an air inlet hole used for fixing an air cavity and circulating air.

Optionally, the inner channel of the lower pump body is cylindrical, the top end periphery of the inner channel is tapered, and the inner taper at the lower end of the middle pump body is matched with the outer taper at the top end of the inner channel to form an annular air inlet chamber communicated with the ventilation flow channel; the periphery of the bottom end of the internal channel is provided with a radial bulge, and the bulge part is provided with an axial through hole used for being connected with the middle pump body.

Optionally, the middle channel of the material suction pipe is a tapered channel which is gradually expanded downwards; and an annular flange is arranged on the periphery of the top of the material suction pipe and is used for being matched and welded with the bottom end of the lower pump body.

Optionally, a bent pipe is arranged at the air inlet hole; and two ports of the bent pipe are both arranged in a step shape, one end of the bent pipe is used for being matched and welded with the air inlet hole, and the other end of the bent pipe is used for being connected with an external air compressor pipeline.

Optionally, the middle channel of the sleeve is cylindrical, and both ends of the sleeve are provided with concave edges for welding and sealing with the upper end cover and the lower end cover respectively; the inner wall of the middle-upper part of the sleeve is welded with the outer edge of the fixed sleeve plate and is used for fixing and supporting the sleeve.

Compared with the prior art, the invention has the following technical effects:

the novel efficient agricultural dredge pump provided by the invention has the advantages of convenience in installation, simple and compact structure, capability of removing moving parts in the pump body, particularly the addition of the adjustable water jet nozzle, capability of breaking and fluidizing stubborn large particles and a hard dirt layer at the bottom layer in sewage by matching the adjustable arrangement of the water jet and the jet flow direction, capability of improving the suction efficiency and the sucked material concentration, wider application occasions, wide material suction concentration range, high safety, high working efficiency, easiness in maintenance and low operation cost, capability of effectively solving the problems of easiness in blockage, narrow material suction range, difficulty in damaging and sucking the bottom sludge dirt layer and low efficiency of the existing agricultural dredge pump, and strong practicability.

In addition, the invention uses the air compressor to replace the motor as a power source, can solve the problems of channel blockage, sealing performance, motor bearing capacity and the like in the pump, is suitable for agricultural sewage discharge, and can obviously improve the sewage discharge efficiency and the sewage discharge performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a perspective view and a sectional view of a portion of a joint of the efficient agricultural dredge pump of the present invention;

FIG. 2 is a detail view of the connector tube;

FIG. 3 is a detail view of the upper pump body;

FIG. 4 is a detail view of the center pump body;

FIG. 5 is a detail view of the lower pump body;

FIG. 6 is a detail view of the suction tube;

FIG. 7 is a detail view of the fixed strap;

FIG. 8 is a detail view of the chamber;

FIG. 9 is a detail view of the upper end cap;

FIG. 10 is a detail view of the sleeve;

FIG. 11 is a detail view of the lower end cap;

FIG. 12 is a sectional view of an oil pressure regulation chamber;

FIG. 13 is an enlarged view of a portion of the connection between the connecting tube and the upper pump body;

FIG. 14 is an enlarged view of a portion of the junction between the upper and middle pump bodies (including the cavity, the retaining sleeve, and a portion of the lower pump body;

FIG. 15 is a partially enlarged view of the junction of the lower pump body and the suction tube;

FIG. 16 is a cross-sectional view of a water jet nozzle;

FIG. 17 is a partial cross-sectional view of an elbow;

wherein the reference numerals are: the pump comprises a connecting pipe-1, an upper pump body-2, a middle pump body-3, an annular concave table-3-1, an extending part-3-2, a groove-3-3, a lower pump body-4, a material suction pipe-5, an upper end cover-6, a bent pipe-7, a sleeve-8, a fixed sleeve plate-9, a cavity-10, an adjuster sleeve-11, a transmission spur rack-12, an adjustable screw-13, a large oil pressure chamber-14, a small oil pressure chamber-15, a nozzle support-16, a water jet nozzle-17, a lower end cover-18 and a movable connecting rod-19; water inlet-20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.