CN201191079Y - Oil-water exchanging directly-heated water heater - Google Patents

Abstract

The utility model relates to an oil water exchange direct heating water heater, which is characterized in that the top inner wall of a shell is provided with a thermal insulation top plate to make the inner lower part of the shell form an enclosed chamber which contains an oil tank thermally insulated by a water jacket, the utility model at least arranges one oil tank group formed by at least two oil water heat exchangers, each oil water heat exchanger is composed of screw oil water heat exchange drums, the bottom of each screw oil water heat exchange drum is connected with a cold water inlet tube and the top is communicated and connected with a water temperature separation tube and a hot water outlet tube, the space between the inner wall of the oil tank and the oil water heat exchanger is provided with an electric heating tube on the top inner wall of the oil tank, and the top of the oil tank thermally insulated by a water jacket is provided with a relief valve. The oil water exchange direct heating water heater has reasonable design, compact structure and simple production, can separate the heating tube, heating oil and water, can obtain high heat utilization, can output hot water at the start of the water heater, has no limit on the hot water application amount, has safe application and simple operation.

Description

Oil-water exchanging directly-heating type water heater

Technical field

The utility model relates to heat exchanger, specifically the heat after the heat-conducting oil heating is constantly conducted a kind of oil-water exchanging directly-heating type water heater that becomes hot water to cold water by heat exchanger.

Background technology

At present, the common water heater in market mainly is divided into heat accumulating type and directly-heated type, and their heat exchange or conduct to cold water with the heat behind the fuel gas buring or with the heat after the electrical heating and to become hot water is for people to use.Their shortcoming is: 1, because the electric heating tube in the electric heater heats in water, can cause hot-spot during heating and be easy to generate scale and incrustation scale, cause reducing the efficiency of heating surface, reduce service life.There is unsafe factor when 2, using, in case gas leakage may make the people poison, during electricity consumption,, therefore often trouble and worry arranged to people in case may cause casualties because of defective insulation as combustion gas.3 when bringing into use, and need to flow out hot water long heat time heating time, and in use the water yield is limited, and it is not too convenient to use.In recent years, the water heater that some profit exchanges also occurred, through patent retrieval the patent No. being arranged is 200620091349, a kind of profit heat exchanger of 1, its structure is by storage tank, conduction oil, cold water enters pipe, water distributing can, water inlet pipe, oil, the water interchanger, outlet pipe, the hot water temperature separating pot, the hot water outlet pipe, electric heating tube is formed, wherein oily, the water interchanger is by casing, the eddy current round pool, rivet is formed, in two planes of the casing of prolate, be furnished with the eddy current round pool of the same diameter below relative 50 couple in the end of hole accordingly, in the relative eddy current round pool in each end, hole, connect with rivet fit sealing riveted respectively.Though in heat energy utilization rate and the more above-mentioned water heater of security progress has been arranged, its structure is comparatively complicated, is not easy to processing, assembling, and the temperature indicator of not installing the control hot water temperature.

Summary of the invention

The utility model is intended to the shortcoming and defect part that exists in above-mentioned technology, and provide not only reasonable in design, compact conformation, be convenient to make, both made heating tube, added deep fat and moisture from, its heat energy utilization rate height again, and use once start and to go out hot water immediately, use the hot water amount unrestricted, have a kind of oil-water exchanging directly-heating type water heater safe in utilization, easy to operate simultaneously.

The purpose of this utility model realizes with following technical scheme: be characterised in that: described oil-water exchanging directly-heating type water heater, comprise shell, the storage tank of heat-insulation layer, the profit heat exchanger, electric heating tube, pressure-reducing valve, cold water enters pipe and the hot water outlet pipe forms, it is characterized in that: described cover top portion is provided with top cover, make at shell top inner wall place dress insulation top board that the bottom constitutes a closed inner chamber in its shell, installing is by the storage tank of water jacket insulation in closed inner chamber, at least installing quantity in storage tank is one group, and every group of profit heat exchanger of forming by plural thread compound hydrothermal exchange tube, the bottom of each thread compound hydrothermal exchange tube all enters to manage to be communicated with cold water with pipeline and joins, the top of each thread compound hydrothermal exchange tube all is communicated with the water temperature separator tube with pipeline and joins, and the water temperature separator tube is communicated with the hot water outlet pipe and joins, in the space between storage tank inwall and profit heat exchanger, on the storage tank top inwall of water jacket insulation, distribute and install electric heating tube, on the storage tank end face of water jacket insulation, pressure-reducing valve is housed.

Described each thread compound hydrothermal exchange tube, form by heat exchange tube, threaded rod, endothermic tube, or with copper and alloy thereof or make the heat exchange tube of sealing with aluminium and alloy thereof, in the endothermic tube group that is distributed with on the outer circumference surface of heat exchange tube more than two row, every row endothermic tube group is made up of several endothermic tubes, one end of each endothermic tube is communicated with the inner chamber of heat exchange tube and joins, its other end is blind end and is tilted to down unsettled, the close-fitting threaded rod of packing in the heat exchange tube makes and has formed the mobile screw thread water route of water supply in the tube naturally.Described profit heat exchanger, the quantity of thread compound hydrothermal exchange tube in the group number of in the utility model, installing and each group, depend primarily on the design parameter of water heater, as the amount of capacity of needs, required temperature height, the environment that uses and the parameters such as position of installation; When using in the family, installing by five thread compound hydro-thermal heat exchange tubes is that one group profit heat exchanger is just passable, indoor for the ease of being hung on, and can be equiped with on the back side of outer cover of water heater and pacify the hook that is connected on the chamber interior walls; When the needs capacity is big, during environment for use when temperature is high, and the quantity of profit heat exchanger set can be more than two groups, and the thread compound hydrothermal exchange tube in each group also can increase simultaneously; In addition, in order to improve heat absorption efficiency, in the endothermic tube group that is distributed with on the outer circumference surface of heat exchange tube more than two row, and the columns that distributes is many more; It is many more that endothermic tube in every row endothermic tube group is laid, and endothermic effect is just good more.So, the cold water that enters pipe from cold water just enters in the tube by the pipeline of each thread compound hydrothermal exchange tube bottom surface continuously, and it is upwards mobile along the screw thread water route in the tube, meanwhile, its flowing cold water constantly absorbs by the heat energy in the conduction oil of electric heater for heating, its temperature is raise gradually become the needed hot water of people, and the pipeline from each thread compound hydrothermal exchange tube end face enters the water temperature separator tube then, flow out from the hot water outlet pipe at last, for people to use.

Described threaded rod or trapezoidal thread or flat thread or semicircle screw thread or pointed screw thread.

Described shell is installed temperature indicator on its top anterolateral surface.Can conveniently control must hot water temperature, can see temperature displayed intuitively for again the user.

Described insulation top board is that the filled glass fiber silk is made in metal system housing.

The storage tank of described water jacket insulation, form by roof, the water jacket body that the insulation water layer is housed, insulation water inlet pipe, top seal at the water jacket body that the insulation water layer is housed connects the storage tank that roof is formed, and one side installing in storage tank top is communicated with the insulation water inlet pipe that joins with the water jacket body.Because storage tank is totally enclosed housing, on its end face pressure-reducing valve is housed, the raising of the pressure that both can prevent from the heating process to be produced, available again it come charge of oil and oil extraction.

Each that is installed in liquid medium in the utility model be part in addition, should bear pressure test respectively by related standards, and can install after qualified, to guarantee the utlity model has good sealing property and security.

Described electric heating tube, its quantity are more than two, and it can as required hot water temperature, capacity and watt level be selected for use, and can make plurality of specifications by watt level, select for use for people.

Principle of the present utility model is described below: well-known, the thermal capacity of oil is big, and its heat storage capacity is better, thus in the identical time, the cooling velocity of heating back oil than water slowly many, just more help cold water in the interchanger and absorb its heat; And conduction oil is non-conductive, and people are without fear of an attack from the rear.Therefore when using the utility model, as long as one connect power supply, water source, just can use hot water immediately, handling safety, use are very convenient.Therefore, it can be widely used in the water heater in the daily life, thermal source and other place that needs hot water of heating usefulness.Combine the above technical measures of being taked, realize the purpose of this utility model.

Compared with prior art, the utility model is not only reasonable in design, compact conformation, be convenient to make, both made heating tube, added deep fat and moisture from, its heat energy utilization rate height again, and use once start and to go out hot water immediately, use the hot water amount unrestricted, have advantages such as safe in utilization, easy to operate simultaneously.

Description of drawings

The utility model has four width of cloth accompanying drawings.Wherein:

Accompanying drawing 1 is the main TV structure schematic diagram of one of embodiment of the present utility model;

Accompanying drawing 2 is the A place enlarged drawings among Fig. 1;

Accompanying drawing 3 is Fig. 1 side views.

Accompanying drawing 4 is main TV structure schematic diagrames of two of embodiment of the present utility model.

Among the figure: 1, shell, 2, pressure-reducing valve, 3, the insulation top board, 4, the insulation water jacket, 5, storage tank, 6, electric heating tube, 7, top cover, 8, temperature indicator, 9, automatically controlled plate, 10, insulation water inlet pipe, 11, roof, 12, conduction oil, 13, the water temperature separator tube, 14, the hot water outlet pipe, 15, threaded rod, 16, endothermic tube, 17, the heat exchange tube, 18, cold water enters pipe, and 19, the transfer leg, 20, hook.

The specific embodiment

Be one of embodiment of the present utility model shown in Fig. 1,2,3, it is mounted in the oil-water exchanging directly-heating type water heater on the chamber interior walls in the family, only installs five thread compound hydrothermal exchange tubes and be one group profit heat exchanger in storage tank 5; Its structure comprises shell 1, heat-insulation layer storage tank, the profit heat exchanger, electric heating tube 6, pressure-reducing valve 2, cold water enters pipe and the hot water outlet pipe forms, it is characterized in that: described shell 1 top is provided with top cover 7, be installed in the filled glass fiber silk is made in the steel shell insulation top board 3 at shell 1 top inner wall place and make that the bottom constitutes a closed inner chamber in its shell, installing is by the storage tank 5 of water jacket insulation in closed inner chamber, the storage tank 5 of described water jacket insulation, by roof 11, the water jacket body of insulation water layer 4 is housed, insulation water inlet 10 pipes are formed, and the installing of storage tank 5 top right side is communicated with the insulation water inlet pipe 10 that joins with the water jacket body; Five thread compound hydrothermal exchange tubes of installing are one group profit heat exchanger in storage tank 5, and described each thread compound hydrothermal exchange tube is made up of heat exchange tube 17, trapezoidal thread bar 15, endothermic tube 16; The bottom of each thread compound hydrothermal exchange tube all enters pipe 18 with cold water with pipeline and is communicated with and joins, the top of each thread compound hydrothermal exchange tube with pipeline all be in, the water temperature separator tube 13 of lower floor is communicated with and joins, and the water temperature separator tube 13 on upper strata is communicated with hot water outlet pipe 14 and joins, left side between storage tank 5 inwalls and profit heat exchanger, in the space on right side, two electric heating tubes 6 of installing distribute on the storage tank 5 top inwalls of water jacket insulation, on storage tank 5 end faces of water jacket insulation, pressure-reducing valve 2 is housed, be equipped with transfer leg 19 for four jiaos in shell 1 bottom surface, and on shell 1 back side outside, be provided with peace and be connected on the chamber interior walls, on, under hook 11.

Shown in Figure 4 is two of embodiment of the present utility model, it is that quantity is housed in storage tank 5 is two groups of profit heat exchangers, every group of profit heat exchanger is by five thread compound hydrothermal exchange tube oil-water exchanging directly-heating type water heaters that form, relatively large, wherein the cold water of two groups of profit heat exchangers in the storage tank 5 enters pipe 18 and hot water outlet pipe 14 is connected in series respectively, and being distributed with four electric heating tubes 6 in the space between storage tank 5 inwalls and profit heat exchanger, remaining structure is identical with one of embodiment.

The above; it only is the preferable specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; all are familiar with those skilled in the art in the disclosed technical scope of the utility model, are equal to replace or change according to the technical solution of the utility model and design of the present utility model thereof all should be encompassed within the protection domain of the present utility model.

Claims (6)

1, a kind of oil-water exchanging directly-heating type water heater, comprise shell (1), the storage tank of heat-insulation layer, the profit heat exchanger, electric heating tube (6), pressure-reducing valve (2), cold water enters pipe (18) and hot water outlet pipe (14) forms, it is characterized in that: described shell (1) top is provided with top cover (7), make at shell (1) top inner wall place dress insulation top board (3) that the bottom constitutes a closed inner chamber in its shell, installing is by the storage tank (5) of insulation water jacket in closed inner chamber, at least installing quantity in storage tank (5) is one group, and every group of profit heat exchanger of forming by plural thread compound hydrothermal exchange tube, the bottom of each thread compound hydrothermal exchange tube all enters pipe (18) with cold water with pipeline and is communicated with and joins, the top of each thread compound hydrothermal exchange tube all is communicated with water temperature separator tube (13) with pipeline and joins, and water temperature separator tube (13) is communicated with hot water outlet pipe (14) and joins, in the space between storage tank (5) inwall and profit heat exchanger, on storage tank (5) the top inwall of water jacket insulation, distribute and install electric heating tube (6), on storage tank (5) end face of water jacket insulation, pressure-reducing valve (2) is housed.

2, by the described oil-water exchanging directly-heating type water heater of claim 1, it is characterized in that: described each thread compound hydrothermal exchange tube, by heat exchange tube (17), threaded rod (15), endothermic tube (16) is formed, or with copper and alloy thereof or make the heat exchange tube (17) of sealing with aluminium and alloy thereof, in the endothermic tube group that is distributed with on the outer circumference surface of heat exchange tube (17) more than two row, every row endothermic tube group is made up of several endothermic tubes (16), one end of each endothermic tube (16) is communicated with the inner chamber of heat exchange tube (17) and joins, its other end is blind end and is tilted to down unsettled, the close-fitting threaded rod (15) of packing in heat exchange tube (17) makes and has formed the mobile screw thread water route of water supply in the tube naturally.

3, by the described oil-water exchanging directly-heating type water heater of claim 2, it is characterized in that: described threaded rod (15) or trapezoidal thread or flat thread or semicircle screw thread or pointed screw thread.

4, by the described oil-water exchanging directly-heating type water heater of claim 1, it is characterized in that: described shell (1), on its top anterolateral surface, install temperature indicator (8).

5, by the described oil-water exchanging directly-heating type water heater of claim 1, it is characterized in that: described insulation top board (3) is that the filled glass fiber silk is made in metal system housing.

6, by the described oil-water exchanging directly-heating type water heater of claim 1, it is characterized in that: the storage tank of described insulation water jacket (5), form by roof (11), the water jacket body that insulation water layer (4) is housed, insulation water inlet pipe (10), top seal at the water jacket body that insulation water layer (4) is housed connects the storage tank (5) that roof (11) is formed, and one side installing in storage tank (5) top is communicated with the insulation water inlet pipe (10) that joins with the water jacket body.

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