CN218795850U

CN218795850U - Excrement pretreatment device

Info

Publication number: CN218795850U
Application number: CN202223419285.1U
Authority: CN
Inventors: 柏桦; 徐芳; 张艳; 邹伟; 刘雨寒; 詹安宁; 王�琦; 张雪辉
Original assignee: Kunming Medical University
Current assignee: Kunming Medical University
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-07
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a fecal pretreatment device, include: a nitration reactor, a suspension cup and a neutralization reactor; the nitration reactor is connected with the suspension cup through a pipe fitting; a suction motor is arranged on one side of the suspension cup and is connected with the bottom end of the side wall of the suspension cup through a pipe fitting; an outlet is arranged at the bottom of the suspension cup, a funnel opening is arranged below the outlet and used for receiving liquid discharged from the outlet, and a filter screen is hung on the funnel opening; the lower end of the funnel opening is connected to the neutralization reactor through a pipe body. The nitration reactor, the suspension cup, the pipe body at the lower end of the neutralization reactor and the pipe body at one side of the suspension cup, which is connected with the suction motor, are provided with stop valves; the utility model discloses set up drying tube and bottleneck for the binding off state on nitration reactor to reduce and contact nitric acid among the nitration process, and nitration reactor is binding off type bottle, and it takes place the splash to reduce violent reaction process nitric acid, and the bottle lateral wall is equipped with the drying tube, absorbs the internal moisture of bottle, and the difference in temperature of avoiding violent exothermic bringing causes the explosion.

Description

Excrement pretreatment device

Technical Field

The utility model belongs to the medical treatment detection area, concretely relates to excrement and urine preprocessing device.

Background

The fecal detection is one of the clinical routine laboratory test items, and the fecal detection has the following defects in the pretreatment process:

1. the excrement is pretreated before being detected, and in the treatment process, nitric acid is added into the excrement which is uniformly mixed and diluted by stirring for nitration, so that the nitration reaction belongs to a violent exothermic reaction, is particularly easy to splash and explode, and has certain potential safety hazards to inspectors.

2. Filtering and suspending by zinc chloride after nitration treatment, and neutralizing by sodium hydroxide, wherein in the prior art, a beaker is used for pouring treatment, a human body is easy to contact with nitric acid in the treatment process, and the zinc chloride suspension treatment does not have special suspended matter extraction equipment, and separates suspended matters in a pouring mode, and the suspended matters are easy to stick to walls in the extraction process.

Therefore, there is a need for a pretreatment device for feces which can reduce the exposure of the human body to acidic and basic substances in nitrification reaction, suspension treatment and neutralization reaction, and can easily extract the suspended substances.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses the recombination nitration is handled, the suspension is handled and the processing apparatus that neutralizes to the device of suspended solid is drawed with absorbent mode in suspension processing procedure has been designed.

In order to achieve the technical effect of solving the technical problem, the utility model discloses a realize through following technical scheme:

a fecal pretreatment device comprising: a nitration reactor, a suspension cup and a neutralization reactor; the nitration reactor is connected with the suspension cup through a pipe fitting;

a suction motor is further arranged on one side of the suspension cup and is connected with the bottom end of the side wall of the suspension cup through a pipe fitting;

an outlet is formed in the bottom of the suspension cup, a funnel opening is formed below the outlet and used for receiving liquid discharged from the outlet, and a filter screen is hung on the funnel opening; the lower end of the funnel opening is connected to the neutralization reactor through a pipe body;

the nitration reactor, the suspension cup, the pipe body at the lower end of the neutralization reactor and the pipe body at one side of the suspension cup, which is connected with the suction motor, are provided with stop valves;

furthermore, the nitration reactor and the neutralization reactor are closed-up type bottle bodies, and the side wall of the nitration reactor is also provided with a drying tube;

furthermore, the shape of the filter screen corresponds to the shape of the funnel opening;

furthermore, an electronic thermometer is also arranged on the side wall of the nitration reactor.

The utility model has the advantages that:

1. the utility model discloses set up drying tube and bottleneck for the binding off state on nitration reactor to reduce and contact nitric acid among the nitration process, and nitration reactor is binding off type bottle, and it takes place the splash to reduce violent reaction process nitric acid, and the bottle lateral wall is equipped with the drying tube, absorbs the internal moisture of bottle, and the difference in temperature of avoiding violent exothermic bringing causes the explosion.

2. The utility model discloses being equipped with the suspension cup, can standing the layering in the suspension cup after handling excrement and urine digestion, the waste liquid of rethread negative pressure extraction bottom to keep the suspended solid of upper portion, filter the reaction in to the neutralization reactor after down washing the suspended solid again. It is more efficient convenient for traditional collection mode of empting, and the separation effect is better, has avoided making a round trip to empty and lead to the suspended solid to be stained with the wall. Moreover, the nitration reactor and the neutralization reactor are closed-up bottle bodies, so that the splashing of corrosive liquid caused by violent reaction can be avoided.

Drawings

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

FIG. 1 is a schematic view of an apparatus for pretreating excrement;

FIG. 2 is a sectional view of a nitrator and neutralizer reactor of a fecal pretreatment apparatus;

FIG. 3 is a sectional view of a neutralization reactor of the fecal pretreatment apparatus;

in the drawings, the reference numerals designate the following components:

1-nitration reactor, 2-drying tube, 3-electronic thermometer, 4-drainage tube, 401-stop valve, 5-suspension cup, 501-outlet, 502-stop valve, 6-pumping tube, 601-stop valve, 7-funnel mouth, 701-filter screen, 8-filter tube, 9-neutralization reactor, 901-stop valve, 902-lower port, 10-motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, a fecal pretreatment apparatus is provided with a nitrification reactor 1, a suspension cup 5, and a neutralization reactor 9. The nitration reactor 1 and the suspension cup 5 are provided with pipe fittings and are connected with a drainage pipe 4 as shown in the figure. A suction motor is arranged on one side of the suspension cup 5 and is connected with the bottom end of the side wall of the suspension cup 5 through a pipe fitting like a drawing pipe 6. An outlet 501 is arranged at the bottom of the suspension cup 5, a funnel opening 7 is arranged below the outlet 501 for receiving the liquid discharged from the outlet 501, and a filter screen 701 is hung on the funnel opening 7. The shape of the filter screen 701 corresponds to the shape of the funnel mouth 7. The lower end of the funnel opening 7 is connected to the neutralization reactor through a pipe body such as a filter pipe 8. The nitration reactor 1, the suspension cup 5, the pipe body at the lower end of the neutralization reactor and the pipe body connected with the suction motor at one side of the suspension cup 5 are provided with

stop valves

401, 502, 901 and 601, which can control the liquid to flow downwards after reacting in sequence.

The nitration reactor and the neutralization reactor are closed-up type bottles, so that the splashing of corrosive liquid can be avoided in the reaction process. And the side wall of the nitration reactor 1 is also provided with a drying pipe 2 for absorbing the moisture in the digester. The side wall of the nitration reactor 1 is also provided with an electronic temperature measuring instrument 3 which is used for measuring the temperature in the nitration reaction process and maintaining the temperature below 60 ℃ to avoid liquid boiling or explosion caused by overhigh temperature.

Example 2

Referring to fig. 1 to 3, this embodiment is a specific usage method of the fecal pretreatment device and its working principle:

before use, all the

stop valves

401, 502, 901 and 601 are in a closed state, excrement liquid needing to be subjected to nitration is poured into the nitration reactor 1, nitric acid is dripped into the nitration reactor 1 for nitration, after the excrement liquid and the nitric acid are fully reacted, the stop valve 401 is turned on, the reacted solution drainage tube 44 flows into the suspension cup 5, zinc chloride is added into the suspension cup 5 for suspension treatment, and after uniform mixing, suspended matters can float on the upper surface and have an obvious layering phenomenon. The stop valve 601 is then opened and the suction motor 10, which is a variable frequency, adjustable speed, low power motor, is started. The waste liquid in the suspension cup 5 is extracted through the extraction pipe 6, after the waste liquid is extracted, the stop valve 601 is closed, the stop valve 502 is opened, and the suspended substance is washed to the funnel mouth 7 by water. And the suspended substance is filtered by a filter screen 701 of the funnel opening 7, the filtered suspended substance enters a neutralization reactor 9, sodium hydroxide is dripped into the neutralization reactor for neutralization reaction, and after the full reaction, the solution can be extracted by opening a stop valve 901 at the lower port of the neutralization reactor.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not to be considered in all respects as illustrative and not restrictive, and the invention is not to be limited to the specific embodiments shown and described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and use the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A fecal pretreatment device comprising: a nitration reactor, a suspension cup and a neutralization reactor; the nitration reactor is connected with the suspension cup through a pipe fitting;

the nitrification reactor, the suspension cup, the pipe body at the lower end of the neutralization reactor and the pipe body at one side of the suspension cup, which is connected with the suction motor, are all provided with stop valves.

2. The fecal pretreatment apparatus according to claim 1, characterized in that the nitrification reactor and the neutralization reactor are closed-type bottles, and the side wall of the nitrification reactor is further provided with a drying tube.

3. The fecal pretreatment apparatus of claim 1, wherein the filter screen shape corresponds to a funnel mouth shape.

4. The fecal pretreatment apparatus according to claim 1 characterized in that an electronic temperature measuring instrument is further arranged on the side wall of the nitrification reactor.