CN208534588U - Box cogenerator - Google Patents

Abstract

The utility model relates to a kind of box cogenerators, including electricity generation system, heat-exchange system and cooling system, it further include cabinet, the electricity generation system and heat-exchange system are located in the box body, the cabinet side is provided with for controlling electricity generation system, the low-voltage distribution system of heat-exchange system and cooling system work, the cabinet other side is provided with the high tension distribution system for configuring electricity generation system output electricity, the cooling system is located at top of the box, the top of the box is provided with the exhaust outlet being discharged for hot gas in cabinet, have the advantages that be not easy to shorten the working life because of exposing to the weather in outdoor application.

Description

Box cogenerator

Technical field

The utility model relates to cogeneration system, in particular to a kind of box cogenerator.

Background technique

Cogeneration system refers to natural gas or biogas to be that main fuel tape moves the operation of fuel gas generation equipment, generation The electricity needs of power supply user, the waste heat being discharged after system power generation pass through waste heat recovery utilizing equipment to user's heat supply.It is logical The primary energy utilization ratio that this mode greatly improves whole system is crossed, the cascade utilization of the energy is realized.It can also provide simultaneously Net electric power makees energy complementation, and the economic well-being of workers and staff and efficiency of whole system are increase accordingly.

Cogenerator is used widely in many occasions, and existing cogenerator is commonly used in oil exploitation Scene and drilling machine construction scene, to meet site operation and worker's living needs, but due to the basis of construction site etc. Build poor, therefore cogenerator is usually placed on outdoor, and cogeneration dress will be greatly shortened in long-time exposing to the weather The service life set.

Utility model content

The purpose of this utility model is to provide a kind of box cogenerators, have and are not easy in outdoor application because of wind The advantages of blowing solarization and shortening the working life.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of box cogeneration Device, including electricity generation system, heat-exchange system and cooling system, further include cabinet, the electricity generation system and heat-exchange system position In in cabinet, the low pressure that the cabinet side is provided with for controlling electricity generation system, heat-exchange system and cooling system work is matched Electric system, the cabinet other side are provided with the high tension distribution system for configuring electricity generation system output electricity, the cooling system Positioned at top of the box, the top of the box is provided with the exhaust outlet being discharged for hot gas in cabinet.

Through the above technical solutions, rainwater can be stopped direct with cogenerator by cabinet in outdoor application Contact, guarantees the normal work of equipment, meanwhile, cabinet can make humidity, temperature around equipment etc. be maintained at stable shape State, so equipment is not easily susceptible to the influence of environmental change at work, passes through row at this time since the variation of equipment working environment is smaller Port can effective intracorporal temperature of regulating box etc. so that equipment always works in suitable environment, further increase The service life of equipment, since equipment is in cabinet, equipment be not easy to be influenced by exposing to the weather in outdoor application and So that the reduced service life of cogenerator.

Preferably, the electricity generation system includes generator and the gas engine for driven generator work, the case It is provided in vivo for the fuel tank for gas engine repairing, the oiling for refueling into fuel tank is provided on the fuel tank Mouth is provided with the opening stretched out for fuel filler neck on the cabinet, is provided with sealing cover on the fuel filler neck.

Through the above technical solutions, gas engine can expend part machine oil at work, due to need power-on time compared with Long and midway cannot power off, and therefore, cannot stop gas engine at this time, and use meeting in the insufficient situation of machine oil for a long time The service life of serious curtailment gas engine, by the way that fuel tank is arranged in cabinet, can from repairing in trend gas engine, It may insure there is enough machine oil in a specified time internal combustion gas engine by the way that suitable machine oil is added in fuel tank, so that firing Machine oil is enough always when gas engine operation, is open, can be facilitated as refueling in fuel tank by being arranged on cabinet.

Preferably, the heat-exchange system includes the cigarette heat of the heat displacement in the flue gas for gas engine to be discharged The plate heat exchanger of heat exchanger and the heat displacement for displacing cigarette heat exchanger, the cigarette heat exchanger include flue gas into Mouth, exhanst gas outlet, heat exchanging liquid import and heat exchanging liquid outlet, the plate heat exchanger include heat exchange import and heat exchange export with And user's water inlet and user's water out, the heat exchange import and heat exchanging liquid outlet, the heat exchange export heat exchanging liquid Inlet communication.

Through the above technical solutions, in order to avoid the waste of the heat in the flue gas that is discharged in gas engine, in combustion gas It is communicated with cigarette heat exchanger on engine, is changed the heat absorption cause in flue gas that gas engine is discharged by cigarette heat exchanger In hot liquid, in the water that is then used the heat transfer in heat exchanging liquid to user by plate heat exchanger again, at this time these Waste heat in flue gas will be widely-available for users, and the heat made is effectively utilized.

Preferably, the cooling system includes the radiator set on top of the box, and the radiator includes water tank and setting The first radiator fan above water tank, the gas engine are communicated with the water cooling tube for cooling down to gas engine, institute It states and is connected to forming circuit between water cooling tube and water tank and gas engine.

Through the above technical solutions, a large amount of heat can be generated when gas engine work, at this time in order to guarantee engine It works normally, needs to be passed through cold water into engine by water cooling tube, gas engine sending is taken away by the cold water of flowing Heat, but the cold water in water cooling tube can be higher and higher with circulating temperature, reaches the temperature of the water in water cooling tube after a certain period of time Will be consistent with the temperature of gas engine, water will not have the purpose to cool down to gas engine at this time, by the way that radiator is arranged, It can cool down into radiator, when the water in water cooling tube comes out after absorbing heat in gas engine so that the temperature of water The consistently lower than temperature of gas engine can make the temperature of water keep by controlling the velocity of rotation of the first radiator fan In a certain range, it is ensured that the water in water cooling tube can effectively cool down to gas engine.

Preferably, the cigarette heat exchanger is pipe heat exchanger, and the cigarette heat exchanger includes shell and is set in shell Heat exchanger tube, be communicated on the shell for being connected to the drain pipe of the liquid discharge in shell on the heat exchanger tube useful In by the discharge pipe of the liquid discharge in heat exchanger tube, the gas inlet and exhanst gas outlet are connected to shell, the heat exchange liquid Body import and heat exchanging liquid outlet are connected to heat exchanger tube.

Through the above technical solutions, making in order to enable the heat in the flue gas being discharged in gas engine is used effectively It obtains these flue gases to enter in cigarette heat exchanger, is passed through in shell, that is, may make by being passed through water in heat exchanger tube, while by flue gas Heat transfer in flue gas causes in the water in heat exchanger tube, and heat exchange efficiency is high, facilitates recycling waste heat, in cold season, if setting Water when standby shutdown in heat exchanger tube is easy to freeze, and is easy so that heat exchanger tube needs to pass through by bursting by freezing, therefore when not in use Water in heat exchanger tube is discharged discharge pipe, simultaneously as containing vapor in flue gas, when in use, these vapor are easy cold Solidifying more water can be had by being used for a long time in shell in the housing, in order to not influence the progress of heat exchange, need that shell is discharged in time In water, by be arranged drain pipe, can be convenient by shell water discharge.

Preferably, the exhanst gas outlet is communicated with muffler, and the muffler is connected with ripple far from smoke outlet and delays Washing pipe, the ripple separator tube are connected with extension tube far from muffler end.

Through the above technical solutions, biggish noise can be generated when flue gas discharge, in order to avoid noise too big influence week Side works normally, and needs to be connected with muffler in smoke outlet, noise can be greatly lowered by muffler, and in flue gas The irritant gas of meeting needs to connect longer pipeline in order to avoid these gases are inhaled by the user, so that flue gas drains into High-altitude, it is therefore desirable to connect extension tube, if but extension tube in use occur vibration etc., can seriously affect muffler and its His equipment, therefore ripple separator tube is connected between extension tube and muffler, it can be absorbed largely by ripple separator tube Vibration, meanwhile, ripple separator tube can carry out appropriate deformation, facilitate the installation of extension tube, avoid making because of foozle etc. Extension tube is inconvenient to the case where installing.

Preferably, the low-voltage distribution system includes low-voltage cabinet, and the high tension distribution system includes high-voltage board, the low pressure Cabinet and high-voltage board are equipped with away from the face on ground for the line interface for low-voltage cabinet and the transmitting of high-voltage board and external information.

Through the above technical solutions, can avoid ground by the top that line interface is arranged in low-voltage cabinet and high-voltage board The humid air of side enters low-voltage cabinet and high-voltage board, it is ensured that low-voltage cabinet and high-voltage board working environment are dry.

Preferably, the exhaust ports are equipped with the second radiator fan.

Through the above technical solutions, being provided in exhaust ports in order to enable temperature around equipment keeps relative constant Second radiator fan can conveniently adjust the intracorporal temperature of case by controlling the velocity of rotation of the second radiator fan.

In conclusion the utility model having the beneficial effect that in contrast to the prior art

(1) equipment can be made in outdoor application by the way that cabinet is arranged, is not easy to shorten use because of long-term exposing to the weather Service life；

(2) waste heat can be efficiently used by setting heat-exchange system, increases the utilization rate of energy.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of embodiment；

Fig. 2 is the schematic diagram of embodiment；

Fig. 3 is the cross-sectional view of cigarette heat exchanger.

Appended drawing reference: 1, electricity generation system；111, generator；112, gas engine；2, heat-exchange system；211, cigarette heat is changed Hot device；2111, gas inlet；2112, exhanst gas outlet；2113, heat exchanging liquid import；2114, heat exchanging liquid exports；2115, shell Body；2116, heat exchanger tube；212, plate heat exchanger；2121, exchange heat import；2122, heat exchange outlet；2123, user's water inlet； 2124, user's water out；3, cooling system；311, water tank；312, the first radiator fan；4, cabinet；5, water cooling tube；6, low pressure is matched Electric system；7, high tension distribution system；8, exhaust outlet；9, fuel tank；10, fuel filler neck；11, sealing cover；12, discharge pipe；13, drain Pipe；14, muffler；15, ripple separator tube；16, extension tube；17, line interface；18, the second radiator fan.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

As shown in Figure 1, 2, a kind of box cogenerator, including cabinet 4 are provided with exhaust outlet 8 at the top of cabinet 4, Cabinet 4 is internally provided with electricity generation system 1, heat-exchange system 2 and cooling system 3.

As shown in Figure 1, cabinet 4 is cuboid-type, cabinet 4 is made of metal, and sound-proof material is equipped on 4 inner wall of cabinet, is led to Crossing sound-proof material prevents the noise inside cabinet 4 from entering the external world, and multiple doors are provided on cabinet 4, to facilitate later period maintenance and dimension Shield, is provided with low-voltage distribution system 6 in 4 side of cabinet, 4 other side of cabinet is provided with high tension distribution system 7, by high voltage power distribution system It is to avoid generating the interference such as electromagnetism therebetween that the purpose opened, which is arranged, with low-voltage distribution system 6 in system 7, and low-voltage distribution system 6 is used to It controls electricity generation system 1, heat-exchange system 2 and cooling system 3 to work normally, high tension distribution system 7 is used to the electricity for issuing equipment It is output to the external world, it is ensured that these electricity can be by effective and safe use.

Wherein, low-voltage distribution system 6 includes low-voltage cabinet, and high tension distribution system 7 includes high-voltage board, in low-voltage cabinet and high-voltage board Face away from ground is equipped with line interface 17, since the top of low-voltage cabinet and high-voltage board is arranged in line interface 17, can The humid air of ground side is avoided to enter low-voltage cabinet and high-voltage board by line interface 17, it is ensured that low-voltage cabinet and high-voltage board building ring Border is dry.

As shown in Fig. 2, electricity generation system 1 includes generator 111 and gas engine 112, gas engine 112 is located at cabinet One end of 4 setting exhaust outlets 8, engine are located at 4 other end of cabinet, and exhaust outlet is arranged since gas engine 112 is located at cabinet 4 8 one end, therefore the heat issued when the work of gas engine 112 can be shed by exhaust outlet 8 in time.

As shown in Figure 1, 2, wherein be provided with fuel tank 9 in cabinet 4, machine oil be housed in fuel tank 9, fuel tank 9 starts with combustion gas Machine 112 is connected to, and the machine oil of the consumption of gas engine 112 can be supplemented by fuel tank 9, it is ensured that gas engine 112 works normally, together When, the fuel filler neck 10 on fuel tank 9, fuel filler neck 10 is through cabinet 4 and is located at outside cabinet 4, is provided with sealing cover on fuel filler neck 10 11, it needs to refuel by fuel filler neck 10 into fuel tank 9 to opening sealing cover 11 when adding machine oil in cabinet 4.

Heat-exchange system 2 includes cigarette heat exchanger 211 and plate heat exchanger 212, and cigarette heat exchanger 211 is for sending out combustion gas Motivation 112 be discharged flue gas in heat displacement, plate heat exchanger 212 can the heat transfer displaced from flue gas to In the water that family uses, so that heat is used effectively.

As shown in Figure 2, wherein cigarette heat exchanger 211 be pipe heat exchanger, cigarette heat exchanger 211 include shell 2115 with Heat exchanger tube 2116 in shell 2115 is provided with gas inlet 2111 in 2115 one end of shell, and the other end is provided with flue gas Outlet 2112 is provided with the heat exchanging liquid import 2113 being connected to heat exchanger tube 2116 and heat exchanging liquid outlet on shell 2115 2114, in use, flue gas enters in shell 2115 from gas inlet 2111, cold water enters heat exchanger tube from heat exchanging liquid import 2113 In 2116, back casing 2115 in flue gas will be come into full contact with heat exchanger tube 2116 so that the heat transfer in flue gas to exchange heat In liquid in pipe 2116, the flue gas after discharging heat later will be discharged by exhanst gas outlet 2112, and the water after absorbing heat will It is gone out by heat exchanging liquid outlet 2114, and enters plate heat exchanger 212.

Wherein, plate heat exchanger 212 include heat exchange import 2121 and heat exchange outlet 2122 and user's water inlet 2123 with User's water out 2124, in use, heat exchange import 2121 is connected to heat exchanging liquid outlet 2114, heat exchange outlet 2122 and heat exchange liquid Body import 2113 is connected to, when the water for absorbing heat from flue gas enters plate heat exchanger 212 by heat exchange import 2121, user Need water to be used that will enter plate heat exchanger 212 by user's water inlet 2123, at this time from the water for absorbing heat in flue gas Heat transmitting is applied in the water that family uses, the water that user uses will go out and defeated after absorbing heat from user's water out 2124 It send to carrying out at user using and going out to go forward side by side from heat exchange outlet 2122 after the water release heat that heat exchange import 2121 enters Enter and continue to absorb heat in cigarette heat exchanger 211, so circulation can endlessly utilize the heat in flue gas.

As shown in Figure 2,3, wherein be communicated with drain pipe 13 on shell 2115, discharge is communicated on heat exchanger tube 2116 Pipe 12 can be discharged the condensed water in shell 2115 by drain pipe 13, it is ensured that the heat exchanger effectiveness of cigarette heat exchanger 211 compared with Liquid in heat exchanger tube 2116 can be discharged when not using equipment by discharge pipe 12, heat exchanger tube 2116 is avoided to be frozen by height It splits.

Wherein, it is communicated with muffler 14 at exhanst gas outlet 2112, is connected in muffler 14 far from 2112 end of exhanst gas outlet There is ripple separator tube 15, is connected with extension tube 16 far from 14 end of muffler in ripple separator tube 15, can be dropped by muffler 14 Flue gas emission to high-altitude, ripple separator tube 15 can be made of heat resistant rubber by extension tube 16 by noise when low exhaust Corrugated tubes object, has certain buffering and deformability, and muffler 14 is the common exhaust gas silencer in market.

As shown in Fig. 2, cooling system 3 includes the radiator set on 4 top of cabinet, radiator includes water tank 311 and setting The first radiator fan 312 above water tank 311, water tank 311 are a closed cavity, are provided with several wings in water tank 311 Piece, fin are connect with water tank 311, and the first radiator fan 312 is located on water tank 311, are used to 311 surface radiating of feed-tank, combustion gas It is communicated with water cooling tube 5 on engine 112, forming circuit is connected between water cooling tube 5 and water tank 311 and gas engine 112, is passed through Water cooling tube 5 can input water into gas engine 112, will absorb in gas engine 112 into the water in gas engine 112 Heat, these water for having absorbed heat will be expelled to water tank 311 by water cooling tube 5 later, at this time in the first radiator fan 312 Under the action of absorbed the water of heat and will have been cooled down, to facilitate these water to go successively to absorb heat in gas engine 112, such as This recycles the temperature that can reduce gas engine 112.

As shown in Figure 1, being provided with second at exhaust outlet 8 and dissipating in order to enable temperature around equipment keeps relative constant Hot-air fan 18 can conveniently adjust the temperature in cabinet 4 by controlling the velocity of rotation of the second radiator fan 18.

In use, the equipment is placed on outdoor, cabinet 4 can guarantee well-equipped working environment, so that equipment exists When for a long time by geomantic omen solarization, service life is not easy therefore to reduce, and is worked by 112 driven generator 111 of gas engine, The heat utilization in the flue gas that gas engine 112 is discharged is passed through by exhaust outlet 8 and second by heat-exchange device at this time Radiator fan 18 can quickly adjust the temperature inside cabinet 4, so that the temperature inside cabinet 4 is maintained at defined temperature range It is interior, cooled down to the cooling water of gas engine 112 with can be convenient by cooling system 3, to ensure gas engine 112 Temperature will not be too high when work, and in whole work process, low-voltage distribution system 6 is used to coordinate each section normal work, high pressure Distribution system 7 is by the electricity output of sending, so as to user's use.

The above is only the exemplary embodiment of the utility model, the protection scope rather than limited the present invention, The protection scope of the utility model is determined by the attached claims.

Claims (8)

1. a kind of box cogenerator, including electricity generation system (1), heat-exchange system (2) and cooling system (3), feature It is: further includes cabinet (4), the electricity generation system (1) and heat-exchange system (2) is located in cabinet (4), the cabinet (4) one Side is provided with the low-voltage distribution system (6) for controlling electricity generation system (1), heat-exchange system (2) and cooling system (3) work, Cabinet (4) other side is provided with the high tension distribution system (7) for configuring electricity generation system (1) output electricity, the heat dissipation system System (3) is located at the top of cabinet (4), and the exhaust outlet (8) being discharged for hot gas in cabinet (4) is provided at the top of the cabinet (4).

2. box cogenerator according to claim 1, it is characterised in that: the electricity generation system (1) includes power generation Machine (111) and the gas engine (112) for driven generator (111) work, interior be provided with of the cabinet (4) are used for as combustion The fuel tank (9) of gas engine (112) repairing is provided with the fuel filler neck for refueling into fuel tank (9) on the fuel tank (9) (10), it is provided with the opening stretched out for fuel filler neck (10) on the cabinet (4), is provided with sealing cover on the fuel filler neck (10) (11)。

3. box cogenerator according to claim 1, it is characterised in that: the heat-exchange system (2) includes using The cigarette heat exchanger (211) and be used for cigarette heat exchanger that heat in the flue gas that gas engine (112) is discharged is replaced (211) displace heat displacement plate heat exchanger (212), the cigarette heat exchanger (211) include gas inlet (2111), Exhanst gas outlet (2112), heat exchanging liquid import (2113) and heat exchanging liquid outlet (2114), the plate heat exchanger (212) include It exchanges heat import (2121) and heat exchange exports (2122) and user's water inlet (2123) and user's water out (2124), the heat exchange Import (2121) is connected to heat exchanging liquid outlet (2114), heat exchange outlet (2122) heat exchanging liquid import (2113) connection.

4. box cogenerator according to claim 3, it is characterised in that: the cooling system (3) includes being set to Radiator at the top of cabinet (4), the radiator include the first radiation air of water tank (311) and setting above water tank (311) It fans (312), the gas engine (112) is communicated with the water cooling tube (5) for cooling down to gas engine (112), the water Cold pipe (5) is connected to forming circuit between water tank (311) and gas engine (112).

5. box cogenerator according to claim 3, it is characterised in that: the cigarette heat exchanger (211) is pipe Formula heat exchanger, the cigarette heat exchanger (211) include shell (2115) and the heat exchanger tube (2116) in shell (2115), institute State the drain pipe (13) being communicated on shell (2115) for the liquid in shell (2115) to be discharged, the heat exchanger tube (2116) On be communicated with for by heat exchanger tube (2116) liquid discharge discharge pipe (12), the gas inlet (2111) and flue gas go out Mouthful (2112) be connected tos with shell (2115), the heat exchanging liquid import (2113) and heat exchanging liquid export (2114) with heat exchange Manage (2116) connection.

6. box cogenerator according to claim 3, it is characterised in that: the exhanst gas outlet (2112) is communicated with Muffler (14), the muffler (14) are connected with ripple separator tube (15) far from exhanst gas outlet (2112) end, and the ripple is slow Washing pipe (15) is connected with extension tube (16) far from muffler (14) end.

7. box cogenerator according to claim 1, it is characterised in that: the low-voltage distribution system (6) includes Low-voltage cabinet, the high tension distribution system (7) includes high-voltage board, and the low-voltage cabinet is equipped with away from the face on ground with high-voltage board and is used for For the line interface (17) of low-voltage cabinet and the transmitting of high-voltage board and external information.

8. box cogenerator according to claim 1, it is characterised in that: be equipped with second at the exhaust outlet (8) Radiator fan (18).