阅读说明：本技术 一种厨余污水处理系统 (Kitchen waste sewage treatment system ) 是由 张静风 王世伟 于 2021-09-27 设计创作，主要内容包括：本发明公开了一种厨余污水处理系统,包括增压泵、液体热换反应系统、气体压缩系统和气液分离系统,所述增压泵的进水口与污水管的出水口连接,所述增压泵的出水口与所述液体热换反应系统的进水口通过管道一连接,所述气体压缩系统的进气口与进气管的出气口连接,所述气体压缩系统的出气口与所述管道一连接,所述气液分离系统的进水口与所述液体热换反应系统的出水口通过管道二连接；所述液体热换反应系统用于在预设温度范围内、预设压力值和催化剂的作用下对污水进行氧化处理；所述气液分离系统用于将气体和液体分离；所述气体压缩系统用于将空气进行收集压缩；本发明具有污水净化效率高,流程简单,占地面积小等特点,具有良好的市场应用价值。(The invention discloses a kitchen waste sewage treatment system which comprises a booster pump, a liquid heat exchange reaction system, a gas compression system and a gas-liquid separation system, wherein a water inlet of the booster pump is connected with a water outlet of a sewage pipe, a water outlet of the booster pump is connected with a water inlet of the liquid heat exchange reaction system through a first pipeline, a gas inlet of the gas compression system is connected with a gas outlet of a gas inlet pipe, a gas outlet of the gas compression system is connected with the first pipeline, and a water inlet of the gas-liquid separation system is connected with a water outlet of the liquid heat exchange reaction system through a second pipeline; the liquid heat exchange reaction system is used for carrying out oxidation treatment on the sewage within a preset temperature range, a preset pressure value and under the action of a catalyst; the gas-liquid separation system is used for separating gas and liquid; the gas compression system is used for collecting and compressing air; the invention has the characteristics of high sewage purification efficiency, simple flow, small occupied area and the like, and has good market application value.)

1. The utility model provides a kitchen remains sewage treatment system which characterized in that: the system comprises a booster pump, a liquid heat exchange reaction system, a gas compression system and a gas-liquid separation system, wherein a water inlet of the booster pump is connected with a water outlet of a sewage pipe, a water outlet of the booster pump is connected with a water inlet of the liquid heat exchange reaction system through a first pipeline, a gas inlet of the gas compression system is connected with a gas outlet of a gas inlet pipe, a gas outlet of the gas compression system is connected with the first pipeline, and a water inlet of the gas-liquid separation system is connected with a water outlet of the liquid heat exchange reaction system through a second pipeline; the liquid heat exchange reaction system is used for carrying out oxidation treatment on the sewage within a preset temperature range, a preset pressure value and under the action of a catalyst; the gas-liquid separation system is used for separating gas and liquid; the gas compression system is used for collecting and compressing air.

2. The kitchen waste treatment system of claim 1, wherein: the liquid heat exchange reaction system comprises a first oxidation heat exchanger, a second oxidation heat exchanger, a third oxidation heat exchanger, an oxidation heater, an oxidation cooler and an oxidation tower, the water inlet of the first oxidation heat exchanger is connected with the water outlet of the booster pump through a third pipeline, the water inlet of the second oxidation heat exchanger is connected with the water outlet of the first oxidation heat exchanger through a fourth pipeline, the water inlet of the oxidation heat exchanger III is connected with the water outlet of the oxidation heat exchanger II through a pipeline V, the water inlet of the oxidation heater is connected with the water outlet of the oxidation heat exchanger III through a pipeline VI, the water inlet of the oxidation tower is connected with the water outlet of the oxidation cooler through a pipeline VII, a pipeline eight connected with the water outlet of the oxidation tower is connected with the water inlet of the oxidation cooler through three oxidation heat exchangers in sequence, and the water outlet of the oxidation cooler is connected with the water inlet of the gas-liquid separation system through a second pipeline.

3. The kitchen waste treatment system of claim 1, wherein: the gas compression system comprises a compressor and a buffer tank, wherein a gas inlet of the compressor is connected with a gas outlet of a gas inlet pipe, a gas inlet of the buffer tank is connected with a gas outlet of the compressor through a pipeline nine, and a gas outlet of the buffer tank is connected with a pipeline one through a pipeline ten.

4. The kitchen waste treatment system of claim 2, wherein: the gas-liquid separation system comprises a gas-liquid separator and a tail gas absorption tower, wherein a water inlet of the gas-liquid separator is connected with a water outlet of the oxidation cooler through a pipeline eleven, a water outlet of the gas-liquid separator is connected with a pipeline twelve, and a gas outlet of the gas-liquid separator is connected with a gas inlet of the tail gas collection tower through a pipeline thirteen.

5. The kitchen waste treatment system of claim 4, wherein: and a spiral flow guide structure is arranged on the upper side in the gas-liquid separator, and an air outlet of the spiral flow guide structure is connected with the pipeline thirteen.

6. The kitchen waste treatment system of claim 1, wherein: the preset temperature range is 123-320 ℃, and the preset pressure value is 0.5-10 MPa.

7. The kitchen waste treatment system of claim 1, wherein: the catalyst is a hydroxyl radical.

8. The kitchen waste treatment system of claim 1, wherein: and a water inlet of the sewage pipe is provided with a water filtering grid for filtering large-particle kitchen garbage.

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a kitchen waste sewage treatment system.

Background

With the increasing social development speed and the continuous improvement of the industrialization degree, great pressure is caused to the environment, wherein the engineering pollution discharge, the domestic sewage and the like mainly pollute the water resources in China. The method has important significance for increasing the utilization of water resources, optimizing the sewage treatment technology and enhancing the water quality detection in the current situation of water resource shortage in China.

At present, the most common biological wastewater treatment in kitchens has poor biodegradability and is difficult to treat substances with relative molecular mass from thousands to tens of thousands. Common treatment methods for sewage treatment include physical methods, chemical methods, biological and biological membrane methods, wherein the sewage treatment means such as artificial wetlands, oxidation ponds and the like have low operation cost, but occupy large area and are limited by climate, and the application range is limited. The traditional sewage treatment process has the factors of large occupied area and high operation cost. For town sewage treatment, the water quality change conditions in different living areas are large, and the management difficulty is high. How to treat and recycle the sewage of towns and make towns more optimized, thereby forming water resource recycling. The quality of drinking water can be directly influenced when underground water resources are polluted by poorly treated domestic sewage.

Accordingly, the prior art is deficient and needs improvement.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a kitchen waste sewage treatment system.

The invention provides a technical document, in particular to a kitchen waste sewage treatment system which comprises a booster pump, a liquid heat exchange reaction system, a gas compression system and a gas-liquid separation system, wherein a water inlet of the booster pump is connected with a water outlet of a sewage pipe, a water outlet of the booster pump is connected with a water inlet of the liquid heat exchange reaction system through a first pipeline, a gas inlet of the gas compression system is connected with a gas outlet of a gas inlet pipe, a gas outlet of the gas compression system is connected with the first pipeline, and a water inlet of the gas-liquid separation system is connected with a water outlet of the liquid heat exchange reaction system through a second pipeline; the liquid heat exchange reaction system is used for carrying out oxidation treatment on the sewage within a preset temperature range, a preset pressure value and under the action of a catalyst; the gas-liquid separation system is used for separating gas and liquid; the gas compression system is used for collecting and compressing air.

Preferably, the liquid heat exchange reaction system comprises a first oxidation heat exchanger, a second oxidation heat exchanger, a third oxidation heat exchanger, an oxidation heater, an oxidation cooler and an oxidation tower, the water inlet of the first oxidation heat exchanger is connected with the water outlet of the booster pump through a third pipeline, the water inlet of the second oxidation heat exchanger is connected with the water outlet of the first oxidation heat exchanger through a fourth pipeline, the water inlet of the oxidation heat exchanger III is connected with the water outlet of the oxidation heat exchanger II through a pipeline V, the water inlet of the oxidation heater is connected with the water outlet of the oxidation heat exchanger III through a pipeline VI, the water inlet of the oxidation tower is connected with the water outlet of the oxidation cooler through a pipeline VII, a pipeline eight connected with the water outlet of the oxidation tower is connected with the water inlet of the oxidation cooler through three oxidation heat exchangers in sequence, and the water outlet of the oxidation cooler is connected with the water inlet of the gas-liquid separation system through a second pipeline.

Preferably, the gas compression system comprises a compressor and a buffer tank, wherein a gas inlet of the compressor is connected with a gas outlet of the gas inlet pipe, a gas inlet of the buffer tank is connected with a gas outlet of the compressor through a pipeline nine, and a gas outlet of the buffer tank is connected with a pipeline one through a pipeline ten.

Preferably, the gas-liquid separation system comprises a gas-liquid separator and a tail gas absorption tower, a water inlet of the gas-liquid separator is connected with a water outlet of the oxidation cooler through a pipeline eleven, a water outlet of the gas-liquid separator is connected with a pipeline twelve, and a gas outlet of the gas-liquid separator is connected with a gas inlet of the tail gas collection tower through a pipeline thirteen.

Preferably, a spiral flow guide structure is arranged on the upper side inside the gas-liquid separator, and an air outlet of the spiral flow guide structure is connected with the pipeline thirteen.

Preferably, the preset temperature range is 123-320 ℃, and the preset pressure value is 0.5-10 MPa.

Preferably, the catalyst is a hydroxyl radical.

Preferably, a water filtering grid is arranged at a water inlet of the sewage pipe and used for filtering large-particle kitchen garbage.

Compared with the prior art, the method has the beneficial effects that: under the action of certain temperature, pressure and catalyst, organic matter and ammonia in sewage are oxidized and decomposed into CO2, H20, N2 and other harmless substances through air oxidation, so that the aim of purification is fulfilled; the most remarkable characteristic is that hydroxyl free radical is used as main oxidant to react with organic matter, the organic free radical generated in the reaction can continue to participate in HO chain reaction, or after generating organic peroxide free radical, further oxidative decomposition reaction is carried out until the organic free radical is degraded into final products of CO2 and H20, thereby achieving the purpose of oxidative decomposition of organic matter, and the treatment effect of conventional organic pollutants is as high as more than 95%; the invention has the characteristics of high sewage purification efficiency, simple flow, small occupied area and the like, and has good market application value.

Drawings

FIG. 1 is a schematic process flow diagram of a wastewater treatment system according to the present invention;

1, a booster pump 1; 2. an oxidation heat exchanger I2; 3. a second oxidation heat exchanger 3; 4. a third oxidation heat exchanger 4; 5. a compressor 5; 6. a buffer 6; 7. an oxidation tower 7; 8. a gas-liquid separator 8; 9. and a tail gas absorption tower 9.

Detailed Description

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The present invention will be described in detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, a kitchen waste sewage treatment system comprises a booster pump 1, a liquid heat exchange reaction system, a gas compression system and a gas-liquid separation system, wherein a water inlet of the booster pump 1 is connected with a water outlet of a sewage pipe, a water outlet of the booster pump 1 is connected with a water inlet of the liquid heat exchange reaction system through a first pipeline, a gas inlet of the gas compression system is connected with a gas outlet of a gas inlet pipe, a gas outlet of the gas compression system is connected with the first pipeline, and a water inlet of the gas-liquid separation system is connected with a water outlet of the liquid heat exchange reaction system through a second pipeline; the liquid heat exchange reaction system is used for carrying out oxidation treatment on the sewage within a preset temperature range, a preset pressure value and under the action of a catalyst; the gas-liquid separation system is used for separating gas and liquid; the gas compression system is used for collecting and compressing air.

Preferably, the liquid heat exchanger reaction system comprises an oxidation heat exchanger I2, an oxidation heat exchanger II 3, an oxidation heat exchanger III 4, an oxidation heater, an oxidation cooler and an oxidation tower 7, wherein a water inlet of the oxidation heat exchanger I2 is connected with a water outlet of the booster pump 1 through a pipeline III, a water inlet of the oxidation heat exchanger II 3 is connected with a water outlet of the oxidation heat exchanger I2 through a pipeline IV, a water inlet of the oxidation heat exchanger III 4 is connected with a water outlet of the oxidation heat exchanger II 3 through a pipeline V, a water inlet of the oxidation heater is connected with a water outlet of the oxidation heat exchanger III 4 through a pipeline VI, a water inlet of the oxidation tower 7 is connected with a water outlet of the oxidation cooler through a pipeline VII, and a pipeline VIII connected with a water outlet of the oxidation tower 7 is connected with a water inlet of the oxidation cooler through three oxidation heat exchangers in sequence, and the water outlet of the oxidation cooler is connected with the water inlet of the gas-liquid separation system through a second pipeline.

Preferably, the gas compression system comprises a compressor 5 and a buffer tank, wherein a gas inlet of the compressor 5 is connected with a gas outlet of a gas inlet pipe, a gas inlet of the buffer tank is connected with a gas outlet of the compressor 5 through a pipeline nine, and a gas outlet of the buffer tank is connected with a pipeline one through a pipeline ten.

Preferably, the gas-liquid separation system comprises a gas-liquid separator 8 and a tail gas absorption tower 9, a water inlet of the gas-liquid separator 8 is connected with a water outlet of the oxidation cooler through a pipeline eleven, a water outlet of the gas-liquid separator 8 is connected with a pipeline twelve, and a gas outlet of the gas-liquid separator 8 is connected with a gas inlet of the tail gas collection tower through a pipeline thirteen.

Preferably, a spiral flow guide structure is arranged on the upper side inside the gas-liquid separator 8, and an air outlet of the spiral flow guide structure is connected with the pipeline thirteen.

Preferably, the preset temperature range is 123-320 ℃, and the preset pressure value is 0.5-10 MPa.

Preferably, the catalyst is a hydroxyl radical.

Further, for particularly refractory organics, a suitable catalyst may be selected.

Preferably, a water filtering grid is arranged at a water inlet of the sewage pipe and used for filtering large-particle kitchen garbage.

Furthermore, a residue treatment device and an air purifier are further arranged on the water filtering grid, and the residue treatment device is used for compressing kitchen garbage into round cakes and fully extruding water in the garbage; the air purifier is used for purifying harmful gases in the residue treatment equipment.

Furthermore, the treated purified water can be applied to domestic irrigation and street cleaning nearby after water quality detection.

The working principle is as follows: the waste water is pressurized by a booster pump 1 and then mixed with air from a compressor 5, and then sent into a heat exchanger to exchange heat with hot materials from a reactor, and then enters a secondary heat exchanger to be heated to the reaction temperature and is led into an oxidation tower 7;

organic matters in the wastewater are oxidized, and the temperature of the mixed liquid is kept constant by the heat released by the reaction; the temperature and the pressure of the liquid flowing out of the oxidation tower 7 are high, the liquid is cooled in the heat exchanger, the heat recovered in the reaction process is used for preheating most of wastewater, and the energy consumption is extremely low after the high-efficiency catalytic oxidation is started to continuously run. And the cooled liquid is discharged after being depressurized by a pressure control valve.

Has the advantages that: under the action of certain temperature, pressure and catalyst, organic matter and ammonia in sewage are oxidized and decomposed into CO2, H20, N2 and other harmless substances through air oxidation, so that the aim of purification is fulfilled; the most remarkable characteristic is that hydroxyl free radical is used as main oxidant to react with organic matter, the organic free radical generated in the reaction can continue to participate in HO chain reaction, or after generating organic peroxide free radical, further oxidative decomposition reaction is carried out until the organic free radical is degraded into final products of CO2 and H20, thereby achieving the purpose of oxidative decomposition of organic matter, and the treatment effect of conventional organic pollutants is as high as more than 95%; the invention has the characteristics of high sewage purification efficiency, simple flow, small occupied area and the like, and has good market application value.

The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.