CN213895589U

CN213895589U - Pig farm excrement concentrating system

Info

Publication number: CN213895589U
Application number: CN202021505637.3U
Authority: CN
Inventors: 刘显军; 李建涛; 李海东
Original assignee: Shenyang Borui Agriculture And Animal Husbandry Technology Co ltd
Current assignee: Shenyang Borui Agriculture And Animal Husbandry Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-08-06
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to a pig farm excrement and urine concentrated system, it includes sludge impoundment, concentrated hydroextractor, dosing tank, screw conveyer, concentrated hydroextractor includes flocculation mixing tank, enrichment facility, flocculation mixing tank top is equipped with pan feeding mouth and flocculating agent and adds the mouth, and flocculation mixing tank bottom is equipped with the communicating pipeline with the enrichment facility, enrichment facility includes water catch bowl, filtrate case, fixed stripper plate, removal stripper plate, screw axis, and the water catch bowl slope sets up, and the water catch bowl bottom is equipped with the filtrate case, is equipped with the filter screen between water catch bowl and the filtrate case, and the inside screw axis that vertically is equipped with of water catch bowl, inside crisscross fixed stripper plate and the removal stripper plate of being equipped with of water catch bowl. The utility model discloses a screw axis carries out concentration, dehydration to sewage, and fixed stripper plate and the pitch that removes clearance change between the stripper plate and screw axis become densely to come concentrated sewage, promote the mud and arrange outward, reduce the jam of filter cloth, improve the desilt effect.

Description

Pig farm excrement concentrating system

Technical Field

The utility model belongs to the technical field of sewage treatment plant, in particular to pig farm excrement and urine concentrated system.

Background

With the development of animal husbandry, the discharge amount of livestock wastewater is increased day by day, and the negative effects on agricultural ecological environment and water body environment are also serious day by day. The sewage of the pig farm is mainly a mixture of excrement of pigs and pigsty washing water, the excrement of the pig farm is mainly excrement, urine, waste water and the like generated in the growth process of the pigs, the pollution of the excrement, the urine, the waste water and the stink in the pig production to the environment is controlled, and the protection of the ecological environment is the requirement of the development of the pig farm and is also the requirement of environmental protection. The sewage mainly contains suspended matters, organic matters and ammonia nitrogen with higher content.

The content of suspended solid in the wastewater discharged by a pig farm is very high, the pollutant load of the liquid part can be greatly reduced through solid-liquid separation, and the blockage and damage of subsequent treatment equipment are prevented. The treatment process comprises solid-liquid separation, anaerobic tank, fermentation, aerobic tank fermentation, coagulating sedimentation and standard discharge. In the solid-liquid separation part, in order to improve the treatment efficiency, the solid matters in the sewage need to be rapidly concentrated and separated.

Disclosure of Invention

An object of the utility model is to solve above-mentioned problem, provide pig farm excrement and urine concentrated system, it is used for producing the solid matter in the sewage and carrying out the rapid concentration separation to the pig farm.

In order to solve the above problem, the utility model discloses a technical scheme as follows:

pig farm excrement and urine concentration system, it includes sludge impoundment, concentration hydroextractor, joins in marriage medical kit, screw conveyer, the sludge impoundment passes through the material pump and is connected with the pan feeding mouth of concentration hydroextractor, joins in marriage the medical kit and is connected with the flocculating agent inlet of concentration hydroextractor through the measuring pump, the drain of concentration hydroextractor is connected with screw conveyer, the filtrating export of concentration hydroextractor is connected with the filtrating pond, its characterized in that, concentration hydroextractor includes flocculation mixing tank, enrichment facility, the flocculation mixing tank top is equipped with pan feeding mouth and flocculating agent inlet, the flocculation mixing tank bottom is equipped with the pipeline that communicates with the enrichment facility, is equipped with the material pump on its pipeline, the enrichment facility includes water catch bowl, filtrate case, fixed stripper plate, removal stripper plate, screw axis, the water catch bowl slope sets up, the water catch bowl bottom is equipped with the filtrate case, is equipped with the filter screen between water catch bowl and the filtrate case, the inside screw axis that vertically is equipped with of water catch bowl, the screw axis is by motor drive, and the inside crisscross fixed stripper plate and the removal stripper plate that is equipped with of water catch bowl, fixed stripper plate run through the screw axis with removing the stripper plate, and fixed stripper plate is fixed in the water catch bowl inner wall, and the water catch bowl top is equipped with the drain, and filtrate tank bottom is equipped with the filtrating export.

Further, the inside four corners of water catch bowl is equipped with the guide post respectively, and the guide post runs through fixed stripper plate and removes the stripper plate, is equipped with extrusion spring between fixed stripper plate and the removal stripper plate, is equipped with the spring hole on the fixed stripper plate, and extrusion spring one end sets up in the spring hole.

Furthermore, liquid outlet nozzles are arranged on two sides in the water collecting tank.

Further, the metering tank is connected to the flocculation mixing tank, is equipped with the overflow mouth on the metering tank, and the metering tank is located the pan feeding mouth top of flocculation mixing tank, is equipped with the stop valve on the pipeline of being connected between metering tank and the flocculation mixing tank.

Furthermore, be equipped with the scraper blade in the filtrate case, the scraper blade both ends pass through the guide slot with the filtrate case and are connected, and the lead screw runs through the scraper blade, and the lead screw passes through threaded connection with the scraper blade, and the lead screw is equipped with the motor in the filtrate case outside.

The utility model has the advantages that:

(1) the flocculation mixing tank promotes the flocculation of impurities in the sewage through a flocculating agent, and the pretreatment is performed for the concentration and the solidification of the sewage.

(2) The concentration device comprises a water collecting tank, a filtrate tank, a fixed extrusion plate, a movable extrusion plate and a spiral shaft, wherein in the spiral conveying process of the spiral shaft to materials, sewage carrying sludge is conveyed by a spiral rod, the movable extrusion plate is extruded by pressure generated in the sewage conveying process, and the high-efficiency concentration flocculation, concentration and dehydration of low-concentration sludge are integrally completed.

(3) The fixed extrusion plate and the movable extrusion plate replace filter cloth, are self-cleaning and free of blockage, are easy to treat oily sludge, realize a continuous self-cleaning process, and avoid the problem of blockage universally existing in the traditional dehydrator.

(4) And (3) concentration, namely when the screw shaft rotates, the multiple fixed extrusion plates and the multiple movable extrusion plates arranged at the periphery of the screw shaft move relatively, and water is filtered out from the relatively moving lamination gaps under the action of gravity, so that rapid concentration is realized. And (3) dewatering, namely, the concentrated sludge continuously moves forwards along with the rotation of the spiral shaft, the pitch of the spiral shaft is gradually reduced along the outlet direction of the sludge cake, the gap between the rings is also gradually reduced, the volume of the spiral cavity is continuously reduced, the internal pressure at the outlet is gradually increased, the water in the sludge is extruded and discharged under the sequential continuous operation and pushing of the spiral shaft, the solid content of a filter cake is continuously increased, and the continuous dewatering of the sludge is finally realized. Self-cleaning, namely, the screw shaft rotates, the movable extrusion plate moves, and the equipment realizes a continuous self-cleaning process by means of the movement between the fixed extrusion plate and the movable extrusion plate, so that the problem of blockage commonly existing in the traditional dehydrator is ingeniously solved.

The utility model discloses a screw axis carries out concentration, dehydration to sewage, and fixed stripper plate and the pitch that removes clearance change between the stripper plate and screw axis become densely to come concentrated sewage, promote the mud and arrange outward, reduce the jam of filter cloth, improve the desilt effect.

Drawings

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

FIG. 1 is a schematic structural view of a manure concentration system of a pig farm according to the present invention;

FIG. 2 is a front view of the concentrating and dehydrating apparatus of the present invention;

FIG. 3 is a top view of the concentrating and dehydrating apparatus of the present invention;

reference numerals: the device comprises a sludge pool-1, a concentration dehydrator-2, a flocculation mixing tank-21, a material inlet-211, a flocculant inlet-212, a concentration device-22, a water collecting tank-221, a sewage outlet-2211, a filtrate tank-222, a filtrate outlet-2221, a fixed extrusion plate-223, a movable extrusion plate-224, a spiral shaft-225, filter cloth-226, a guide column-227, an extrusion spring-228, a liquid outlet nozzle-229, a metering tank-23, an overflow port-231, a scraper-230, a screw rod-231, a dispensing box-3, a spiral conveyer-4 and a filtrate pool-5.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make more clear and definite definitions of the scope of the present invention.

Referring to the attached figure 1 of the specification, the excrement concentration system for the pig farm comprises a sludge pool 1, a concentration dehydrator 2, a dosing tank 3 and a spiral conveyer 4, wherein the sludge pool 1 is connected with a feeding port of the concentration dehydrator 2 through a material pumping pump, the dosing tank 3 is connected with a flocculating agent feeding port of the concentration dehydrator 2 through a metering pump, a drain outlet of the concentration dehydrator 2 is connected with the spiral conveyer 4, and a filtrate outlet of the concentration dehydrator 2 is connected with a filtrate pool 5. Referring to the attached

drawings

2 and 3 of the specification, the concentration dehydrator 2 comprises a flocculation mixing tank 21 and a concentration device 22, the top of the flocculation mixing tank 21 is provided with a feed inlet 211 and a flocculant feed inlet 212, the bottom of the flocculation mixing tank 21 is provided with a pipeline communicated with the concentration device 22, the pipeline is provided with a material pump, the concentration device 22 comprises a water collecting tank 221, a filtrate tank 222, a fixed extrusion plate 223, a movable extrusion plate 224 and a screw shaft 225, the water collecting tank 221 is obliquely arranged, the bottom of the water collecting tank 221 is provided with the filtrate tank 222, a filter screen is arranged between the water collecting tank 221 and the filtrate tank 222, the screw shaft 225 is longitudinally arranged in the water collecting tank 221, the screw shaft 225 is driven by a motor, the fixed extrusion plate 223 and the movable extrusion plate 224 are alternately arranged in the water collecting tank 221, filter cloth 226 is arranged on two sides and at the bottom of the fixed extrusion plate 223 and the movable extrusion plate 224, the fixed extrusion plate 223 and the movable extrusion plate 224 penetrate through the screw shaft 225, the fixed pressing plate is fixed on the inner wall of the water collecting tank, a sewage discharge port 2211 is arranged at the top of the water collecting tank 221, and a filtrate outlet 2221 is arranged at the bottom of the filtrate tank 222.

Furthermore, guide posts 227 are respectively arranged at four corners inside the water collecting tank 221, the guide posts 227 penetrate through the fixed extrusion plate 223 and the movable extrusion plate 224, an extrusion spring 228 is arranged between the fixed extrusion plate 223 and the movable extrusion plate 224, a spring hole is formed in the fixed extrusion plate 223, and one end of the extrusion spring 228 is arranged in the spring hole.

Further, liquid outlet nozzles 229 are arranged on two sides inside the water collecting tank 221.

Further, the flocculation mixing tank 21 is connected with the metering tank 23, an overflow port 231 is arranged on the metering tank 23, the metering tank 23 is positioned above the feeding port 211 of the flocculation mixing tank 21, and a stop valve is arranged on a pipeline connected between the metering tank 23 and the flocculation mixing tank 21.

Furthermore, a scraper 230 is arranged in the filtrate tank 222, two ends of the scraper 230 are connected with the filtrate tank 222 through guide grooves, a lead screw 231 penetrates through the scraper 230, the lead screw 231 is connected with the scraper 230 through threads, and the lead screw 231 is provided with a motor outside the filtrate tank 222.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred embodiments of the present invention, and the present invention is not limited by the above preferred embodiments, and various changes and modifications can be made without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the present invention as claimed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Pig farm excrement and urine concentrating system, it includes sludge impoundment, concentration hydroextractor, joins in marriage medical kit, screw conveyer, the sludge impoundment passes through the material pump and is connected with the pan feeding mouth of concentration hydroextractor, joins in marriage the medical kit and passes through the flocculating agent inlet of measuring pump and concentration hydroextractor to be connected, and the drain of concentration hydroextractor is connected with screw conveyer, and the filtrating export of concentration hydroextractor is connected with the filtrating pond, its characterized in that, concentration hydroextractor includes flocculation mixing tank, enrichment facility, the flocculation mixing tank top is equipped with pan feeding mouth and flocculating agent inlet, and flocculation mixing tank bottom is equipped with the pipeline that communicates with enrichment facility, is equipped with the material pump on its pipeline, enrichment facility includes water catch bowl, filtrate case, fixed stripper plate, removal stripper plate, screw axis, and the water catch bowl slope sets up, and the sump tank bottom is equipped with the filtrate case, is equipped with the filter screen between water catch bowl and the filtrate case, the inside screw axis that vertically is equipped with of water catch bowl, the screw axis is by motor drive, and the inside crisscross fixed stripper plate and the removal stripper plate of being equipped with of water catch bowl, fixed stripper plate run through the screw axis with removing the stripper plate, and fixed stripper plate is fixed in the water catch bowl inner wall, and the water catch bowl top is equipped with the drain, and the filtrate tank bottom is equipped with the filtrating export.

2. The system of claim 1, wherein the guide posts are respectively disposed at four corners of the inside of the water collection tank, the guide posts penetrate through the fixed compression plate and the movable compression plate, the compression spring is disposed between the fixed compression plate and the movable compression plate, the fixed compression plate is provided with spring holes, and one end of the compression spring is disposed in the spring holes.

3. The piggery manure concentrating system according to claim 1, wherein liquid outlet nozzles are provided at both sides of the inside of the water collecting tank.

4. The swine farm manure concentration system of claim 1, wherein the flocculation mixing tank is connected to a metering tank, an overflow port is provided on the metering tank, the metering tank is located above a feed port of the flocculation mixing tank, and a stop valve is provided on a pipeline connecting the metering tank and the flocculation mixing tank.

5. The piggery manure concentrating system according to claim 1, wherein a scraper is provided in the filtrate tank, both ends of the scraper are connected with the filtrate tank through guide grooves, a lead screw penetrates through the scraper, the lead screw is connected with the scraper through threads, and a motor is provided outside the filtrate tank.