CN213984688U

CN213984688U - Direct contact heat exchange device for underground settling tank built along primary sewage collection channel

Info

Publication number: CN213984688U
Application number: CN202023042238.0U
Authority: CN
Inventors: 高运敬; 孙春雷; 王文华
Original assignee: Shandong Fuda Clean Energy Technology Co ltd
Current assignee: Shandong Fuda Clean Energy Technology Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-08-17
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses a build heavy pond in underground and directly touch heat transfer device along native sewage collection channel, sink the pond in underground and collect the channel series connection with native sewage, heat pump and hot source end intermediary hydrologic cycle mechanism are linked together, and the heat pump is linked together with hot water hoist mechanism, and hot source end intermediary hydrologic cycle mechanism passes through sealing member and native sewage collection channel sealing connection, and hot water hoist mechanism passes through sealing member and native sewage collection channel sealing connection, the utility model discloses an occupation space is little, need not additionally develop large-scale space in the underground and settle equipment, cancellation sewage diversion pipeline, independent effluent water sump, the concise of equipment component, and the special heat transfer structure in the cancellation is convenient for operate and the maintenance, and the heat exchange tube directly gets into native sewage collection channel and the sewage contact heat transfer, and heat exchange efficiency is high, the function that the energy consumption is low.

Description

Direct contact heat exchange device for underground settling tank built along primary sewage collection channel

Technical Field

The utility model relates to a sewage heat transfer device field, specific direct heat transfer device that touches of heavy pond under building along native sewage collection channel that says so.

Background

The raw sewage generally carries certain heat energy, at present, in the prior art, the sewage source heat pump technology is mature as a technology for extracting heat energy in sewage for heat exchange and clear water heating, and clear water temperature is increased for daily use, but the adoption of the sewage source heat pump unit needs to purchase a large amount of equipment, the occupied space of the equipment is large, the sewage source heat pump unit needs to arrange a sewage diversion pool underground, the raw sewage in a sewage channel is guided into the sewage pool through a diversion pump, then the raw sewage is guided into a heat exchanger to exchange heat, a medium for completing the first heat exchange transfers the heat to the sewage source heat pump unit on the ground through a special heat exchanger, the sewage losing the heat is discharged into the sewage channel again, the process is troublesome, large underground space is needed, and the raw sewage needs to be led out from the sewage channel, the underground construction work volume is great, and the construction degree of difficulty is big, and construction cost is higher, and required equipment structure is complicated moreover, is not convenient for maintain underground, and the heat transfer process is also loaded down with trivial details, and the in-process is difficult to avoid causing the heat to scatter and disappear.

Consequently, for overcoming above-mentioned not enough and designing out an occupation space little, need not additionally develop large-scale space in the underground and settle equipment, cancellation sewage leading water pipeline, independent effluent water sump, equipment composition is concise, and special heat transfer structure in the cancellation is convenient for operate and the maintenance, and the heat exchange tube directly gets into native sewage and collects channel and sewage contact heat transfer, and heat exchange efficiency is high, the heat transfer device that the energy consumption is low, is the problem that the people will solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at not enough to prior art, the utility model aims at providing a along native sewage collection channel build the heavy pond in underground and directly touch heat transfer device, can realize that occupation space is little, need not additionally develop large-scale space in the underground and settle equipment, cancellation sewage diversion pipeline, independent effluent water sump, equipment composition is concise, cancellation medium-specific heat transfer structure, the operation and the maintenance of being convenient for, the heat exchange tube directly gets into native sewage collection channel and the heat transfer of sewage contact, heat exchange efficiency is high, the function that the energy consumption is low.

The utility model provides a technical scheme that its technical problem adopted is: a direct-contact heat exchange device for building an underground settling tank along a primary sewage collection channel comprises a primary sewage collection channel, sewage, a heat engine room and a heat exchange device, wherein the primary sewage collection channel is arranged below the ground surface, the primary sewage flows in the primary sewage collection channel, the heat exchange device is arranged on the side surface of the primary sewage collection channel and comprises a heat pump, a heat source end intermediate water circulation mechanism, a hot water lifting mechanism, a sealing element and the underground settling tank, the underground settling tank is connected with the primary sewage collection channel in series, the heat pump is communicated with the heat source end intermediate water circulation mechanism, the heat pump is communicated with the hot water lifting mechanism, the heat source end intermediate water circulation mechanism is connected with the primary sewage collection channel in a sealing manner through the sealing element, and the hot water lifting mechanism is connected with the primary sewage collection channel in a sealing manner through the sealing element;

the hot water lifting mechanism comprises a water taking pump, a hot water inlet pipe, a hot water pipeline and a sealing piece;

the heat pump is arranged on the inner side of the heat engine room and is fixedly connected through an equipment foundation, a system water inlet is arranged on the heat pump, a system water outlet is arranged on the heat pump, an intermediary water pump and a water taking pump are arranged on the inner side of the heat engine room and are respectively arranged on two sides of the heat pump, the input end of the intermediary water pump is communicated with the heat pump through a water conveying pipeline, the output end of the water taking pump is communicated with the heat pump through a hot water pipeline, a pipeline well is arranged below the heat engine room, the upper end of the pipeline well is arranged on the inner side of the heat engine room, the lower end of the pipeline well is communicated with the underground settling tank, a heat exchange pipe is arranged on the inner side of the pipeline well, the output end of the intermediary water pump is connected with the water inlet of the heat exchange pipe through, the outer wall of heat exchange tube passes through the outer wall sealing connection of sealing member and native sewage collection channel, the delivery port of heat exchange tube has the hot water inlet tube through pipe connection, the lower part setting of hot water inlet tube is collected channel inboard and upper portion at native sewage and is collected channel sealing connection through sealing member and native sewage, the upper end of sewage wet return is linked together with the input of fetching the water pump.

Further, the heat pump comprises a compressor, an evaporator and a condenser, wherein the evaporator is communicated with the condenser through an expansion valve, the evaporator is communicated with the condenser through the compressor, two ends of the condenser are respectively connected with a system water outlet and a system water inlet, and the system water outlet and the system water inlet are respectively connected with an external circulating device.

Further, three and heat exchange tube perpendicular to sewage's flow direction, all are no less than to the quantity of heat exchange tube the heat exchange tube evenly distributed is in the same cross section in primary sewage collection channel, the heat exchange tube sets up the difference in height between the length in the underground sedimentation pond and the underground sedimentation pond height and is not more than 50 cm.

And furthermore, the water inlets of the at least three heat exchange tubes are respectively communicated through pipe fittings and are communicated with the connecting pipe through the pipe fittings.

And furthermore, the water outlets of the at least three heat exchange tubes are respectively communicated with a hot water inlet tube through a pipe fitting.

Further, the area of the underground settling tank is larger than the sum of the 20 x 20 layout of all the heat exchange pipes and the area occupied by the water supply and return pipelines.

The utility model has the advantages that:

1. the utility model discloses an adopt the heat exchange tube disect insertion primary sewage to collect the channel and the direct mode that is linked together with the evaporimeter in the heat pump, omit the transfer heat exchanger, the construction of diversion effluent water sump has been cancelled, equipment all sets up on heating power machine room, a large amount of underground construction operations have been avoided, not only reduced the occupation space of equipment, the installation engineering time has also been reduced, it is little to have realized occupation space, need not additionally develop large-scale space in the underground and settle equipment, cancel sewage diversion pipeline, independent effluent water sump, the equipment is formed succinctly, special heat transfer structure in the cancellation, be convenient for operate and maintain, the heat exchange tube directly gets into primary sewage and collects channel and sewage contact heat transfer, heat exchange efficiency is high, the function that the energy consumption is low.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Description of reference numerals: 1-a heat pump; 101-system water inlet; 102-system water outlet; 2-intermediate water circulation mechanism at heat source end; 201-medium water pump; 202-connecting tube; 203-heat exchange tube; 204-water pipeline; 3-a hot water lifting mechanism; 301-water taking pump; 302-hot water inlet pipe; 303-hot water pipe; 4-primary sewage collection channel; 5-sewage; 6-a seal; 7-a heat engine room; 8-underground settling tank.

Detailed Description

The invention will be further described with reference to specific examples, which are intended to be illustrative only and not to limit the scope of the invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents also fall within the scope of the appended claims.

Referring to fig. 1, the utility model is a schematic structural diagram, a heat exchanger is directly touched by an underground settling tank 8 built along a primary sewage collecting channel 4, comprising a primary sewage collecting channel 4, sewage 5, a heat engine room 7 and a heat exchanger, wherein the primary sewage collecting channel 4 is common in cities and hidden underground, the primary sewage collecting channel 4 is arranged below the heat engine room 7, the sewage 5 flows through the primary sewage collecting channel 4, the traditional sewage source heat pump 1 has a complex device composition structure, a part of equipment is arranged on the side of the underground primary sewage collecting channel 4, the heat exchanger of the utility model is arranged on the heat engine room 7, the heat exchange comprises a heat pump 1, a heat source end intermediate water circulation mechanism 2, a hot water lifting mechanism 3 and a sealing element 6, the heat pump 1 is communicated with the heat source end intermediate water circulation mechanism 2, the heat pump 1 is communicated with the hot water lifting mechanism 3, the heat source end intermediate water circulation mechanism 2 is hermetically connected with the primary sewage collection channel 4 through a sealing piece 6, and the hot water lifting mechanism 3 is hermetically connected with the primary sewage collection channel 4 through the sealing piece 6;

the heat source end intermediate water circulation mechanism 2 comprises an intermediate water pump 201, a connecting pipe 202, a heat exchange pipe 203 and a water conveying pipeline 204, and the hot water lifting mechanism 3 comprises a water taking pump 301, a hot water inlet pipe 302, a hot water pipeline 303 and a sealing element 6;

the heat pump 1 is arranged at the inner side of a heating power machine room 7 and is fixedly connected through an equipment base, the heat pump 1 is provided with a system water inlet 101, the heat pump 1 is provided with a system water outlet 102, the heat pump 1 refers to the heat pump 1 per se and does not comprise equipment such as a heat exchanger additionally arranged outside, the heat pump 1 comprises a compressor, an evaporator and a condenser, the evaporator is communicated with the condenser through an expansion valve, the evaporator is communicated with the condenser through the compressor, two ends of the condenser are respectively connected with the system water outlet 102 and the system water inlet 101, the system water outlet 102 and the system water inlet 101 are respectively connected with an external circulating device, the evaporator and the condenser are matched to compress heat exchanged through the compressor and transmit the heat to the condenser from the evaporator, and then the heat is exchanged with the external circulating device through the condenser for heat exchange, for example, a household water heating circulating system is adopted, the temperature of water is reduced after heat dissipation, and the water enters from the system water inlet 101, after heat exchange, the refrigerant leaves from the system water outlet 102, takes away the heat exchanged in the condenser, and simultaneously enters the evaporator again through the expansion valve, and the cycle is repeated.

An intermediary water pump 201 is arranged above the heat engine room 7, a water taking pump 301 is arranged on the side face of the intermediary water pump 201, the input end of the intermediary water pump 201 is communicated with the heat pump 1 through a water conveying pipeline 204, the intermediary water pump 201 is used for taking out water with low temperature from the heat pump 1 or applying power to the water with low temperature, the output end of the water taking pump 301 is communicated with the heat pump 1 through a hot water pipeline 303, and the water taking pump 301 is used for applying pressure to the water with high temperature to enable the water to enter the heat pump 1.

A pipeline well is arranged below the heat engine room 7, the upper end of the pipeline well is arranged on the heat engine room 7, the lower end of the pipeline well is communicated with the primary sewage collecting channel 4, the communication refers to that the outer wall of the top of the primary sewage collecting channel 4 can be observed through the pipeline well, a heat exchange pipe 203 is arranged on the inner side of the pipeline well, the output end of the intermediate water pump 201 is connected with the water inlet of the heat exchange pipe 203 through a connecting pipe 202 and pipe fittings, the length of the connecting pipe 202 is determined by the depth of the pipeline well, the length of the heat exchange pipe 203 in the pipeline well is not very long, the distance from the bottom of the pipeline well to the heat engine room 7 is completely communicated with the pipeline through the connecting pipe 202, the lower end of the heat exchange pipe 203 penetrates through the outer wall of the primary sewage collecting channel 4 and is arranged in the sewage 5 on the inner side of the primary sewage collecting channel 4, the outer wall of the heat exchange pipe 203 is hermetically connected with the outer wall of the primary sewage collecting channel 4 through a sealing member 6, sealing member 6 can effectually ensure 5 water levels of sewage rise to fill up native sewage and collect channel 4 the time, sewage 5 can not pass the hole of native sewage collection channel 4 and upwards spill over along heat exchange tube 203, the delivery port of heat exchange tube 203 has hot water inlet tube 302 through the pipe connection, the lower part setting of hot water inlet tube 302 is collected the channel 4 inboard and upper portion at native sewage and is passed through sealing member 6 and native sewage and collect channel 4 sealing connection, the upper end of sewage wet return is linked together with water intake pump 301's input, the effect of sewage wet return is linked together and provides an upward promotion's pipeline for the water that the heat transfer was accomplished with water intake pump 301.

The number of the heat exchange tubes 203 is not less than three, the heat exchange tubes 203 are vertical to the flowing direction of the sewage 5, all the heat exchange tubes 203 are uniformly distributed in the same cross section in the primary sewage collecting channel 4, the height difference between the length of the heat exchange tubes 203 arranged in the primary sewage collecting channel 4 and the height of the primary sewage collecting channel 4 is not more than 5cm, the heat exchange tubes 203 are vertical to the flowing direction of the sewage 5 to maximally contact the sewage 5 with the highest temperature and ensure good heat exchange effect, and the plurality of heat exchange tubes 203 are arranged in the primary sewage collecting channel 4 side by side at equal intervals to form an array shape similar to a calandria, can contact with all the sewage 5 passing through the cross section of the heat exchange tubes 203 and exchange heat, if necessary, a plurality of groups of heat exchange tubes 203 can be arranged in the primary sewage collecting channel 4, so that the heat exchange tubes 203 are distributed in a plurality of cross sections on the inner side of the primary sewage collecting channel 4, the heat exchange effect is better, in order to ensure the heat exchange effect, the length of the heat exchange tube 203 in the primary sewage collecting channel 4 cannot be too short, and the probability that the sewage 5 bypasses the heat exchange tube 203 to continuously flow forwards is ensured to be minimum, so that the length of the heat exchange tube 203 meets the requirement that the bottom of the heat exchange tube is close to the edge of the side wall of the primary sewage collecting channel 4.

The water inlets of the at least three heat exchange tubes 203 are respectively communicated with each other through a tube and are communicated with the connecting tube 202 through a tube, because the water in the heat exchange tubes 203 comes from the intermediate water pump 201, and the intermediate water pump 201 is only one, the water in the plurality of heat exchange tubes 203 is obtained by branching from the connecting tube 202 communicated with the intermediate water pump 201 through the tube, and according to the same principle, the water outlets of the at least three heat exchange tubes 203 are respectively communicated with the hot water inlet tube 302 through the tube, the hot water return water is finally lifted and enters the heat pump 1 through the water taking pump 301, so the water outlets of all the heat exchange tubes 203 need to be gathered into one hot water inlet tube 302 through the tube, and the water inlets of the heat exchange tubes 203 are communicated with the hot water inlet tube 302 through the tube.

The area of the piping shaft is larger than the sum of the areas of all the heat exchange pipes 203 and the hot water inlet pipe 302, because the pipes cannot be accommodated when the water inlets of the heat exchange pipes 203 and the hot water inlet pipe 302 are gathered inside the piping shaft due to insufficient area of the piping shaft, and the area of the underground settling pond 8 is larger than the sum of the areas occupied by all the heat exchange pipes 20320 × 20 and the water supply and return pipes.

The utility model discloses the theory of operation: heat carried in the sewage 5 is exchanged into cold water through a heat exchange pipe 203 which is vertically arranged in a sewage main channel and is vertical to the flowing direction of the sewage 5, the exchanged hot cold water enters a heat pump 1 through a water taking pump 301, the heat is directly transferred to a refrigerant in an evaporator of the heat pump 1 and then is compressed through a compressor and finally transferred to a condenser, the water after heat exchange flows out from a channel of the cold water, is pressurized through an intermediary water pump 201 and then respectively enters a plurality of heat exchange pipes 203 to continuously exchange heat, the condenser is connected with an external circulating device, water in the external circulating device is led in from a system water inlet 101, exchanges heat with the condenser, and finally the heat is taken out from a system water outlet 102.

The utility model discloses an adopt the mode that heat exchange tube 203 disect insertion primary sewage collected channel 4 and direct evaporimeter in with heat pump 1 is linked together, omit the transfer heat exchanger, the construction of diversion effluent water sump has been cancelled, equipment all sets up on heating power computer lab 7, a large amount of underground construction operations have been avoided, the occupation space of equipment has not only been reduced, the installation engineering time has also been reduced, it is little to have realized occupation space, need not additionally develop large-scale space in the underground and settle equipment, cancel sewage diversion pipeline, independent effluent water sump, the equipment is formed succinctly, special heat transfer structure in the cancellation, be convenient for operate and maintain, heat exchange tube 203 directly gets into primary sewage and collects channel 4 and sewage contact heat transfer, heat exchange efficiency is high, the function that the energy consumption is low.

Claims

1. The utility model provides an it directly touches heat transfer device to build underground heavy pond along native sewage collection channel, collects channel, sewage, heating power computer lab, heat transfer device including native sewage, native sewage is collected the channel and is set up below the earth's surface, native sewage collects the circulation in the channel and has native sewage, heat transfer device sets up and collects the channel side at native sewage, its characterized in that: the heat exchange device comprises a heat pump, a heat source end intermediate water circulation mechanism, a hot water lifting mechanism, a sealing element and an underground settling tank, wherein the underground settling tank is connected with the raw sewage collecting channel in series, the heat pump is communicated with the heat source end intermediate water circulation mechanism, the heat pump is communicated with the hot water lifting mechanism, the heat source end intermediate water circulation mechanism is hermetically connected with the raw sewage collecting channel through the sealing element, and the hot water lifting mechanism is hermetically connected with the raw sewage collecting channel through the sealing element;

the heat pump is arranged on the inner side of the heat engine room and is fixedly connected through an equipment foundation, a system water inlet is arranged on the heat pump, a system water outlet is arranged on the heat pump, an intermediary water pump and a water taking pump are arranged on the inner side of the heat engine room and are respectively arranged on two sides of the heat pump, the input end of the intermediary water pump is communicated with the heat pump through a water conveying pipeline, the output end of the water taking pump is communicated with the heat pump through a hot water pipeline, a pipeline well is arranged below the heat engine room, the upper end of the pipeline well is arranged on the inner side of the heat engine room, the lower end of the pipeline well is communicated with the underground settling tank, a heat exchange pipe is arranged on the inner side of the pipeline well, the output end of the intermediary water pump is connected with the water inlet of the heat exchange pipe through a connecting pipe and a pipe fitting, and the lower end of the heat exchange pipe penetrates through the outer wall of the primary sewage collecting channel and is arranged in the sewage in the underground settling tank, the outer wall of heat exchange tube passes through the outer wall sealing connection of sealing member and native sewage collection channel, the delivery port of heat exchange tube has the hot water inlet tube through pipe connection, the lower part setting of hot water inlet tube is collected channel inboard and upper portion at native sewage and is collected channel sealing connection through sealing member and native sewage, the upper end of sewage wet return is linked together with the input of fetching the water pump.

2. The direct-contact heat exchange device for the underground settling tank built along the primary sewage collecting channel as claimed in claim 1, wherein: the heat pump comprises a compressor, an evaporator and a condenser, wherein the evaporator is communicated with the condenser through an expansion valve, the evaporator is communicated with the condenser through the compressor, two ends of the condenser are respectively connected with a system water outlet and a system water inlet, and the system water outlet and the system water inlet are respectively connected with an external circulating device.

3. The direct-contact heat exchange device for the underground settling tank built along the primary sewage collecting channel as claimed in claim 1, wherein: three and heat exchange tube perpendicular to sewage's flow direction is no less than to the quantity of heat exchange tube, all in heat exchange tube evenly distributed is same cross section in native sewage collection channel, the heat exchange tube sets up the difference in height between length and the heavy pond height of underground in the heavy pond under ground is not more than 50 cm.

4. The direct-contact heat exchange device for the underground settling tank built along the primary sewage collecting channel as claimed in claim 3, wherein: and the water inlets of the at least three heat exchange tubes are respectively communicated through pipe fittings and are communicated with the connecting pipe through the pipe fittings.

5. The direct-contact heat exchange device for the underground settling tank built along the primary sewage collecting channel as claimed in claim 4, wherein: and the water outlets of the at least three heat exchange tubes are respectively communicated with a hot water inlet tube through a pipe fitting.

6. The direct-contact heat exchange device for the underground settling tank built along the primary sewage collecting channel as claimed in claim 1, wherein: the area of the underground settling tank is larger than the sum of the areas occupied by all the heat exchange tubes in 20 x 20 layout and the water supply and return pipelines.