CN213147021U

CN213147021U - System for extracting heat from treated sewage

Info

Publication number: CN213147021U
Application number: CN202022350769.XU
Authority: CN
Inventors: 江浩; 赵常明; 沈兴林; 吴穹; 袁强
Original assignee: State Power Investment Group Sichuan Electric Power Co ltd
Current assignee: State Power Investment Group Sichuan Electric Power Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-05-07
Anticipated expiration: 2030-10-20

Abstract

The utility model relates to a heat extraction system technical field specifically is a heat extraction system in post-treatment sewage, including supporting the mounting bracket, the inside fixedly connected with filtering ponds of support mounting bracket, the inside fixedly connected with supporting network of filtering ponds, the top of supporting network be provided with the filtration sand, the bottom fixedly connected with sewage feeding section of thick bamboo of filtering ponds. The utility model has the advantages that: this system for extracting heat in sewage after handling, the device adopts sewage source heat pump technology, with the help of sewage source heat pump compressor system, consume a small amount of electric energy, low level heat energy "extraction" of aquatic of depositing in winter, for the user heat supply, then "extraction" of indoor heat comes out summer, release to the aquatic, replace original cooling water set scheme, satisfy hospital's air conditioner refrigerated water, the hydrothermal demand of air conditioner, realize clean low carbon energy supply, wisdom is with energy, energy-concerving and environment-protective, the device's practicality has been improved greatly.

Description

System for extracting heat from treated sewage

Technical Field

The utility model relates to a heat extraction system technical field, especially a heat extraction system in sewage after handling.

Background

The technical analysis heat pump unit of the heat pump can achieve the effect of one machine with two purposes, namely heating by the heat pump in winter and refrigerating in summer. The cost of the refrigerating unit is saved, the floor area of the boiler room is saved, and the environment is protected. If the owner has a geothermal well, the heat pump device can be used for step conversion, which is greatly convenient for the full and effective utilization of heat resources. The energy consumption for heating living, heating living water and the like is not preferable if the energy is wasted by direct electric heating, and the electric energy can be more effectively utilized by adopting heat pump heating and warming. The heat pump technology is used for heating without any pollution to the atmosphere and the environment, is efficient and energy-saving, belongs to the green environment-friendly technology and device, accords with the basic policies of energy and environment protection in China at present, and plays a role in self-publicity for users invisibly.

The sewage water temperature is relatively high, the change range of the sewage water temperature along with seasons is small, the sewage water temperature is usually within 10 ℃, the sewage water temperature is warm in winter and cool in summer, the temperature is between 10 and 25 ℃ all the year round, the sewage water heating system is suitable for the heating and refrigerating dual-working-condition operation of the heating ventilation air conditioner in winter and summer, the water temperature is 3 to 5 ℃ higher than the underground water temperature during heating, and the water temperature is 10 to 15 ℃ lower than the air temperature during refrigerating, so that the sewage water heating system can be conveniently used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a heat extraction system in the treated sewage.

The purpose of the utility model is realized through the following technical scheme: a system for extracting heat from treated sewage comprises a support mounting frame, a filter tank is fixedly connected inside the support mounting frame, the interior of the filtering tank is fixedly connected with a supporting net, the top of the supporting net is provided with filtering sand, the bottom of the filtering tank is fixedly connected with a sewage feeding cylinder, the bottom of the sewage feeding cylinder is fixedly connected with a waste residue sedimentation tank, the bottom of the waste residue sedimentation tank is fixedly connected with a slag discharge pipeline, one side of the sewage feeding cylinder is fixedly connected with a first pipeline, one end of the first pipeline is fixedly connected with a first sewage pump, one end of the first sewage pump is fixedly connected with a second pipeline, one side of the filter tank is fixedly connected with a transition tank, one side of the transition tank is fixedly connected with a third pipeline, and one end of the third pipeline is fixedly connected with a water source heat pump unit.

Optionally, the outer surface of the waste residue sedimentation tank is fixedly connected with the support mounting frame.

Optionally, a compressor, a condenser, an evaporator and a throttle valve are arranged in the water source heat pump unit.

Optionally, through holes are formed in the supporting net, and the number of the through holes is several.

Optionally, a second sewage pump is arranged inside the third pipeline.

Optionally, a valve is arranged inside the slag discharge pipeline.

Optionally, the bottom of the support mounting frame is fixedly connected with a support leg.

The utility model has the advantages of it is following:

1. according to the system for extracting the heat from the treated sewage, in the using process, in winter, the temperature of the sewage is higher than that of ambient air, so that the evaporation temperature of the heat pump cycle is increased, and the energy efficiency ratio is also increased. And the temperature of the water body is lower than the temperature of the ambient air in summer, so the refrigerating condensation temperature is reduced, the cooling effect is better than that of an air-cooled type or a cooling tower type, the unit efficiency is improved, and the electric energy input by heating and refrigerating can obtain about 5kW of heat energy or cold energy in 1 kW. The energy utilization efficiency is far higher than that of other forms of central air-conditioning systems.

2. According to the system for extracting the heat from the treated sewage, in the using process, the cold or the heat of the sewage is left after the sewage passes through the heat exchange equipment and returns to the sewage main channel, the sewage is not in contact with other equipment or systems, the sewage is circulated in a closed manner, and the environment and other equipment or water systems are not polluted. And during heat supply, boiler room systems such as coal-fired, gas-fired and gas-fired boilers and the like are omitted, a combustion process is avoided, and smoke pollution is avoided. The device adopts sewage source heat pump technique, with the help of sewage source heat pump compressor system, consumes a small amount of electric energy, in winter to deposit low-order heat energy "of aquatic" draw "and come out, for the user heat supply, then in summer indoor heat" draw "comes out, releases the aquatic, replaces original cooling water set scheme, satisfies hospital's air conditioner refrigerated water, the hydrothermal demand of air conditioner, realizes clean low carbon energy supply, wisdom energy consumption, and energy-concerving and environment-protective has improved the device's practicality greatly.

3. This system for extracting heat in sewage after handling, in the use, through being provided with the filtering ponds, the filtering ponds can filter the impurity in the sewage, is favorable to sewage to flow smoothly in the pipeline, and the heat transfer of being convenient for through being provided with the filtering ponds, the filtering ponds setting is at the top of filtering ponds one side, and the filtering ponds are used for separating the too fast place of velocity of flow of rivers and filtration sand, reduces the loss of filtration sand, convenient to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a flow chart of the present invention.

In the figure: 1-support mounting frame, 2-filtering tank, 3-support net, 4-filtering sand, 5-sewage feeding cylinder, 6-waste residue sedimentation tank, 7-slag discharging pipeline, 8-first pipeline, 9-first sewage pump, 10-second pipeline, 11-transition tank, 12-third pipeline and 13-water machine set.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in FIGS. 1-4, a system for extracting heat from treated sewage comprises a supporting and mounting frame 1, a filtering tank 2 is fixedly connected inside the supporting and mounting frame 1, a supporting net 3 is fixedly connected inside the filtering tank 2, filtering sand 4 is arranged on the top of the supporting net 3, a sewage feeding cylinder 5 is fixedly connected on the bottom of the filtering tank 2, a waste residue sedimentation tank 6 is fixedly connected on the bottom of the sewage feeding cylinder 5, a slag discharge pipeline 7 is fixedly connected on the bottom of the waste residue sedimentation tank 6, a first pipeline 8 is fixedly connected on one side of the sewage feeding cylinder 5, a first sewage pump 9 is fixedly connected on one end of the first pipeline 8, a second pipeline 10 is fixedly connected on one end of the first sewage pump 9, a transition tank 11 is fixedly connected on one side of the filtering tank 2, a third pipeline 12 is fixedly connected on one side of the transition tank 11, and a water source heat pump set 13 is fixedly connected on one end of, the surface and the support mounting bracket 1 fixed connection of waste residue sedimentation tank 6, the inside of water source heat pump set 13 is provided with compressor, condenser, evaporimeter and choke valve, and the through-hole has been seted up to the inside of braced network 3, the quantity of through-hole is a plurality of, and the inside of third pipeline 12 is provided with the second sewage pump, and the inside of arranging sediment pipeline 7 is provided with the valve, supports the bottom fixedly connected with supporting leg of mounting bracket 1.

The working process of the utility model is as follows: the reclaimed water treated by a sewage treatment plant is used as a water source, impurities such as silt and the like in the sewage are not beneficial to flowing in a pipeline for a long time, the impurities such as the silt and the like in the sewage are required to be removed, the sewage can flow in the pipeline for heat exchange, the sewage after production treatment is pumped into a sewage feeding cylinder 5 through a first sewage pump 9, the impurities such as the silt and the like in the sewage are precipitated into a waste residue sedimentation tank 6, the sewage enters a filtering tank 2 under the pressure of the first sewage pump 9, a supporting net 3 is fixedly connected in the filtering tank 2, through holes are formed in the supporting net 3 for the sewage to pass through, filtering sand 4 which can not pass through the through holes in the supporting net 3 is lapped at the top of the supporting net 3, the filtering sand 4 can play a certain filtering role on the sewage, large-particle impurities in the sewage are reduced, and the sewage is continuously pumped into the device along with, the sewage penetrates through the filtering sand 4, the water level rises continuously, the liquid level rises gradually and enters the transition pool 11, the second sewage pump extracts the sewage in the transition pool 11 and then enters the water source heat pump unit 13 for heat exchange, and finally the water source heat pump unit 13 can be connected with a fan coil through a pipeline so as to be convenient for heat exchange;

in winter, the temperature of the sewage body is higher than that of ambient air, so that the evaporation temperature of the heat pump cycle is improved, and the energy efficiency ratio is also improved. And the temperature of the water body is lower than the temperature of the ambient air in summer, so the refrigerating condensation temperature is reduced, the cooling effect is better than that of an air-cooled type or a cooling tower type, the unit efficiency is improved, and the electric energy input by heating and refrigerating can obtain about 5kW of heat energy or cold energy in 1 kW. The energy utilization efficiency is far higher than that of other forms of central air-conditioning systems, and the energy-saving and high-efficiency central air-conditioning system is high in efficiency. After passing through the heat exchange equipment, the sewage leaves cold or heat to return to the sewage main channel, the sewage is not in contact with other equipment or systems, and the sewage circulates in a closed manner without polluting the environment and other equipment or water systems. And during heat supply, boiler room systems such as coal-fired, gas-fired and gas-fired boilers and the like are omitted, a combustion process is avoided, and smoke pollution is avoided.

The device adopts sewage source heat pump technique, with the help of sewage source heat pump compressor system, consumes a small amount of electric energy, in winter to deposit low-order heat energy "of well aquatic" draw "out, for the user heat supply, then in summer indoor heat" draw "comes out, release well aquatic, replace original cooling water set scheme, satisfy hospital's air conditioner refrigerated water, the hydrothermal demand of air conditioner, realize clean low carbon energy supply, wisdom with the energy, improved the device's practicality greatly, energy-concerving and environment-protective.

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. The utility model provides a heat extraction system in sewage after handling, includes support mounting bracket (1), its characterized in that: the filter bed is characterized in that a filter tank (2) is fixedly connected inside the support mounting frame (1), a support net (3) is fixedly connected inside the filter tank (2), filter sand (4) is arranged at the top of the support net (3), a sewage feeding cylinder (5) is fixedly connected at the bottom of the filter tank (2), a waste residue sedimentation tank (6) is fixedly connected at the bottom of the sewage feeding cylinder (5), a slag discharge pipeline (7) is fixedly connected at the bottom of the waste residue sedimentation tank (6), a first pipeline (8) is fixedly connected at one side of the sewage feeding cylinder (5), a first sewage pump (9) is fixedly connected at one end of the first pipeline (8), a second pipeline (10) is fixedly connected at one end of the first sewage pump (9), a transition tank (11) is fixedly connected at one side of the filter tank (2), one side of the transition pool (11) is fixedly connected with a third pipeline (12), and one end of the third pipeline (12) is fixedly connected with a water source heat pump unit (13).

2. The system for extracting heat from treated sewage according to claim 1, wherein: the outer surface of the waste residue sedimentation tank (6) is fixedly connected with the support mounting frame (1).

3. The system for extracting heat from treated sewage according to claim 1, wherein: the water source heat pump unit (13) is internally provided with a compressor, a condenser, an evaporator and a throttle valve.

4. The system for extracting heat from treated sewage according to claim 1, wherein: the supporting net (3) is internally provided with a plurality of through holes.

5. The system for extracting heat from treated sewage according to claim 1, wherein: and a second sewage pump is arranged in the third pipeline (12).

6. The system for extracting heat from treated sewage according to claim 1, wherein: and a valve is arranged in the slag discharge pipeline (7).

7. The system for extracting heat from treated sewage according to claim 1, wherein: the bottom of the support mounting frame (1) is fixedly connected with support legs.