CN208750808U - A kind of low pressure steam boiler - Google Patents

A kind of low pressure steam boiler Download PDF

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Publication number
CN208750808U
CN208750808U CN201821119611.8U CN201821119611U CN208750808U CN 208750808 U CN208750808 U CN 208750808U CN 201821119611 U CN201821119611 U CN 201821119611U CN 208750808 U CN208750808 U CN 208750808U
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tank
water
pipe
heating
low pressure
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CN201821119611.8U
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吕玉明
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吕玉明
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

Abstract

The utility model discloses a kind of low pressure steam boilers, including recovery tank, preheating cabinet, heating feeding tank and pressurizing tank, the recovery tank to be equipped with exhaust pipe and filler pipe, and electronic float is equipped in the filler pipe in return water box cavity;The recovery tank is connected to preheating cabinet by return pipe, and the preheating cabinet is connected with heating feeding tank by water supply line, and water supply line is equipped with circulating pump;It heats feeding tank and is equipped with air supply pipe;The pressurizing tank is set to the top of heating feeding tank, the water tank surrounded by iron sheet is equipped in the bottom of pressurizing tank, the height of 1/2 pressurizing tank of height < of water tank, the top of water tank is equipped with overflow hole, it is equipped with venthole between pressurizing tank and heating feeding tank, which is connected to venthole.It warms oneself and designs exclusively for farmhouse, than the coal that traditional hot water space heating boiler saves one third, economize on resources, environmental protection.

Description

A kind of low pressure steam boiler
Technical field
The utility model belongs to boiler technology field, more particularly to a kind of small low pressure steam boiler for rural area.
Background technique
Urban family warming is mostly used electric heater or air conditioner, and municipal administration heating uses coal-fired (gas) steam boiler to user Heating.Currently, rural area average family warming mode still quite falls behind original, and the heating mode in city, due to by condition Limitation, is difficult to promote in vast rural area.Winter, especially northern rural area, mostly by burning coal stove for heating, due to soil furnace Limitation, causing coal combustion insufficient, there are a large amount of smoke events, are both a kind of wasting of resources, also pollute the environment.
For this purpose, someone has invented a kind of farmers''s directly-heated heating installation, such as application No. is the China of CN201320728476.8 Utility model patent, it discloses a kind of farmers''s directly-heated heating installations, are mainly characterized by combustion furnace and use with agricultural object stalk matter Rolling piece is fuel, is provided with shutdown range hood with combustion furnace, is parallel at the top of combustion furnace by heating tube each towards farmers' The directly-heated in room, which is warmed oneself, manages, and is equipped with smoke evacuation chimney in the outlet that converges of each heating pipe, has structure simple, at low cost, environment protection clean, The advantages of being suitble to current rural economy current resources situation, solving some rural poverty family warming demands.
But this burning crop straws need particular production, and make there are a large amount of flue gas to environment after burning It is destroyed at great.
Someone has invented a kind of farmers''s soil gas burner again thus, and such as application No. is the middle promulgateds by the State Council of CN201710466594.9 Bright patent, it to include furnace body that it discloses a kind of farmers''s soil gas burners, and the furnace body includes chimney, fire grate;The coal storage Slot includes smoke guide pipe, upper and lower end cap.After the present invention, coal gas can be converted coal into and burnt again, both allow coal in this way Can full combustion, decrease the pollution to environment.
But the transformation efficiency of this soil gas burner is very low, but also there are coal can not full combustion the case where Occur, while can also generate flue gas, pollutes the environment.
Therefore, how to solve the problems of the above-mentioned prior art becomes the direction of field technical staff effort.
Utility model content
The purpose of this utility model is just to provide a kind of low pressure steam boiler, by automatic circulating system, can play section The about effect of the energy;It can be fully solved in place of above-mentioned the deficiencies in the prior art.
The purpose of this utility model is realized by following technical proposals: a kind of low pressure steam boiler, including recovery tank, pre- Hot tank, heating feeding tank and pressurizing tank, are equipped with preheater in preheating cabinet, and heating device, pressurization are equipped in heating feeding tank Booster is equipped in case, the recovery tank is equipped with exhaust pipe and filler pipe, and electricity is equipped in the filler pipe in return water box cavity Dynamic float;The recovery tank is connected to preheating cabinet by return pipe, and the preheating cabinet and heating feeding tank pass through water supply line phase Even, water supply line is equipped with circulating pump;It heats feeding tank and is equipped with air supply pipe;The pressurizing tank is set to the upper of heating feeding tank Side is equipped with the water tank surrounded by iron sheet, the height of 1/2 pressurizing tank of height < of water tank, the top of water tank in the bottom of pressurizing tank Equipped with overflow hole, it is equipped with venthole between pressurizing tank and heating feeding tank, which is connected to venthole.
One of it is preferred that, water level pipe, the distance at top of the water level pipe apart from preheating cabinet are equipped in the preheating cabinet Greater than 8cm.
One of it is preferred that, the air supply pipe is equipped with pressure gauge, thermometer, gas supply check valve and safety valve;Institute Air supply pipe is stated to be connected to external household steam line.
One of it is preferred that, return water check valve unidirectionally controlled from recovery tank to preheating cabinet is equipped on return pipe.
One of it is preferred that, it is equipped on exhaust pipe from recovery tank to extraneous unidirectionally controlled exhaust check valve.
One of it is preferred that, the air pressure relief hole of nozzle upward, the air pressure relief hole are equipped on heating feeding tank Height at the top of distance heating feeding tank is 8cm.
One of it is preferred that, the height of the iron sheet of water tank is 5cm.
One of it is preferred that, the heating device is electric heating tube or coal burner hearth.
Compared with prior art, the utility model has the beneficial effects that: low pressure steam boiler described in the utility model, It warms oneself and designs exclusively for farmhouse, the coal for saving one third than traditional hot water space heating boiler specifically has following Advantage:
1. hygienic and convenient, quick, heat is big, the normal temperature of heating can reach within about 2-3 hours after opening boiler, and compare water The higher 3-5 degree of the temperature of heating boiler, it is medium-sized with small-sized coal consumption as general common furnace;
2. convenient maintenance is not necessarily to special messenger's burning boiler;
3. automatic cycle is equipped with electronic float, the automatically controlled system such as outside installation water circulating pump and automatic switch in boiler internal System, powers on, according to the recycling of the flow velocity of steam and distilled water, generally in 2-3 hours circulation primaries, each circulation time is about Half a minute recycles 8-10 times for that is, every 24 hours, and daily electricity consumption is pump working five minutes of 100W, and electricity uses few, section The about energy;
It is on the whole family's power cost saving instead of electric heating bed 4. hot air heating bed can be installed on the bed of farmers'.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In attached drawing 1: recovery tank 1, preheating cabinet 2, heating feeding tank 3, pressurizing tank 4, return pipe 5, exhaust pipe 6, filler pipe 7, Electronic float 8, water level pipe 9, water channel 10, iron sheet 11, water tank 12, venthole 13, air supply pipe 14, pressure gauge 15, thermometer 16, supply check valve 17, safety valve 18, return water check valve 19, exhaust check valve 20, air pressure relief hole 21, circulating pump 22.
Specific embodiment
The utility model is further described with attached drawing combined with specific embodiments below.
Embodiment 1:
As shown in Figure 1, a kind of low pressure steam boiler, including recovery tank 1, preheating cabinet 2, heating feeding tank 3 and pressurizing tank 4, It is equipped with preheater in preheating cabinet 2, is equipped with heating device in heating feeding tank 3, the heating device can be electric heating tube Or coal burner hearth, in the present embodiment, heating device is the burner hearth of briquette boiler;It is equipped with booster in pressurizing tank 4, is used to Enhance the exhaust of air supply pipe.
The recovery tank 1 is equipped with exhaust pipe 6 and filler pipe 7, and in the present embodiment, exhaust pipe 6 and filler pipe 7 share one A pipeline is equipped with from recovery tank 1 to extraneous unidirectionally controlled exhaust check valve 20 on exhaust pipe 6.On return pipe 5 be equipped with from The return water check valve 19 unidirectionally controlled to preheating cabinet 2 of recovery tank 1.Electronic float is equipped in the filler pipe 7 in 1 inner cavity of recovery tank 8.The recovery tank 1 is connected to preheating cabinet 2 by return pipe 5, is equipped with water level pipe 9 in the preheating cabinet 2, water level pipe 9 is apart from pre- The distance at the top of hot tank 2 is greater than 8cm.The preheating cabinet 2 is connected with heating feeding tank 3 by water supply line 10, water supply line 10 are equipped with circulating pump 22.It heats feeding tank 3 and is equipped with air supply pipe 14;The air supply pipe 14 is equipped with pressure gauge 15, thermometer 16, check valve 17 and safety valve 18 are supplied;The air supply pipe 14 is connected to external household steam line.On heating feeding tank 3 Air pressure relief hole 21 equipped with nozzle upward, height of the air pressure relief hole 21 apart from 3 top of heating feeding tank is 8cm.It is described Pressurizing tank 4 is set to the top of heating feeding tank 3, and the water tank 12 surrounded by iron sheet is equipped in the bottom of pressurizing tank 4, water tank 12 The height of 1/2 pressurizing tank 4 of height <, in the present embodiment, the height of the iron sheet of water tank 12 are 5cm.The top of water tank 12 is equipped with Overflow hole is equipped with venthole 13 between pressurizing tank 4 and heating feeding tank 3, which is connected to venthole 13.
Low pressure steam boiler described in the utility model, workflow are as follows:
The course of work is: by burning in boiler, after being watered by filler pipe, electronic float is housed inside filler pipe, it is electronic Control switch is connect in the circuit of float, control switch and water pump connect, and the other end leads to power supply.The effect of electronic float is: when Steam in radiator sinks, and when distilled water flows to recovery tank by return pipe, the water level of recovery tank can be increased slowly, to centainly Float will sense when position, send signal to control switch, switch just automatically connects circulation pumping source, so that water pump Work feeds the water into preheating cabinet preheating, and when water level decreasing is to certain position, switch can be automatically closed, and water pump is made to stop working.
It is redirected back into recovery tank in order to control steam in preheating cabinet and water, so lead to the pipeline of preheating cabinet in circulating pump In be mounted with a preheating cabinet one-way cock, keep it positive logical, it is reversed closed, at this moment heat confession of the water due to steam of feeding tank It can slowly reduce out, the supply of preheated water slowly is heated feeding tank by preheating cabinet, so that steam normal supply, ensure that warm The normal heat of gas piece is free of discontinuities.
Water level in preheating cabinet and heating feeding tank is balance, in order to make the water level balance in two casees, so in Between the lower partition away from having got through the aperture of 8 millimeters of diameter at the 2cm of bottom as water channel, top open one with supply water The identical hole of channel sized is as air pressure flat hole.In addition, welding one square iron pipe, formed air pressure relief hole, nozzle to On leave 8cm it made only to cross cannot restrain one's anger water.
Pressurizing tank is arranged at the top of heater box and is communicated by venthole connection, and venthole is four.Welding four each The iron sheet of 5cm long forms the water tank of a 5cm high so that the water level in pressurizing tank is no more than 5cm, it is extra can be automatically from logical Stomata flows into heater box.It is 10cm that the purpose being arranged in this way, which is because of pressurizing tank difference height, and air supply pipe is also heating upper box part, The excessively high steam that can generate of water level is obscured, and steam flow rate is influenced, so being set to 5cm is optimum efficiency, heats the steam in feeding tank It is combined into one the steam of steam and pressurizing tank into pressurizing tank, it is fast that this creates the terminal steam flow rates, and the big effect of heat exists Enter radiator from air supply pipe outflow.In addition, being mounted on air supply pipe respectively to make user convenient for grasping pressure and temperature Pressure gauge and thermometer.
Easy to maintenance in order to make, the especially bursting problems such as radiator blocking are controlled, and are filled on air supply pipe Air supply pipe check valve, which is in normally opened, and the following and exhaust pipe in air supply pipe check valve is connected to, and in Between there are also installed valves as safety valve, safety valve often closes.In maintenance and failure, safety valve is opened and by air supply pipe Upper valve is closed so that steam does not enter radiator and is discharged from exhaust pipe, ensure that secure side maintenance.After maintenance Two valves are returned into original position, continue heating and do not extinguish the fire in boiler, there are also installed a 0.1- on exhaust pipe top The one-way cock of 0.15 pressure, the pressure at expulsion in maintenance is greater than 0.1-0.15 so exhaust is smooth.
The effect of the check valve on exhaust pipe top is when long-time increases pressure after firepower makes steam consumption in radiator Power be greater than 0.15 when, check valve can be opened and be discharged to outside room because exhaust pipe be through to outside, when firepower is small, radiator When interior steam pressure is less than 0.15, not valve opening door is pushed up, is just stored in heating in radiator, the dual work for playing safety and keeping the temperature With.
The nozzle of filler pipe is that a pipeline is shared with exhaust pipe, leads to recovery tank, therefore in the intermediate installation of filler pipe Opening when a valve adds water, closing when adding water, adding the process of water is that water is added from filler, enters return water by pipeline Case, so that the water level of recovery tank rises, electronic float induction forms cyclic process said before, feeds the water into preheating cabinet, water Position pipe is mounted on preheating cabinet side, until being added to always away from water level pipe top 2cm or so, when water level is consumed to away from water level pipe top 8cm or so is greater than one week or so time, can supplement until adding water to be added to away from water level pipe top 2cm.
In order to keep the waterproof when flushing type maintains convenient, therefore on water level pipe lower connector and at the threeway of water circulating pump lower part Respectively there is a waterproof screw, be also plug, it is unscrewed until water flow is complete, is then repeated several times if it is rinsing.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (8)

1. a kind of low pressure steam boiler, including recovery tank, preheating cabinet, heating feeding tank and pressurizing tank, are equipped with pre- in preheating cabinet Hot device is equipped with heating device in heating feeding tank, is equipped with booster in pressurizing tank, it is characterised in that: set on the recovery tank There are exhaust pipe and filler pipe, electronic float is equipped in the filler pipe in return water box cavity;The recovery tank and preheating cabinet pass through Return pipe connection, the preheating cabinet and heating feeding tank are connected by water supply line, and water supply line is equipped with circulating pump;Heating supplies Gas tank is equipped with air supply pipe;The pressurizing tank is set to the top of heating feeding tank, is equipped in the bottom of pressurizing tank and is enclosed by iron sheet At water tank, the height of 1/2 pressurizing tank of height < of water tank, the top of water tank is equipped with overflow hole, in pressurizing tank and heating gas supply Venthole is equipped between case, which is connected to venthole.
2. low pressure steam boiler according to claim 1, it is characterised in that: be equipped with water level pipe, water level in the preheating cabinet The distance at top of the pipe apart from preheating cabinet is greater than 8cm.
3. low pressure steam boiler according to claim 1, it is characterised in that: the air supply pipe is equipped with pressure gauge, temperature Table, gas supply check valve and safety valve;The air supply pipe is connected to external household steam line.
4. low pressure steam boiler according to claim 1, it is characterised in that: be equipped with from recovery tank to preheating on return pipe The unidirectionally controlled return water check valve of case.
5. low pressure steam boiler according to claim 1, it is characterised in that: be equipped with from recovery tank to the external world on exhaust pipe Unidirectionally controlled exhaust check valve.
6. low pressure steam boiler according to claim 1, it is characterised in that: be equipped with nozzle upward on heating feeding tank Air pressure relief hole, it is 8cm which, which heats the height at the top of feeding tank,.
7. low pressure steam boiler according to claim 1, it is characterised in that: the height of the iron sheet of water tank is 5cm.
8. low pressure steam boiler according to claim 1, it is characterised in that: the heating device is electric heating tube or coal Charcoal burner hearth.
CN201821119611.8U 2018-07-16 2018-07-16 A kind of low pressure steam boiler Active CN208750808U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821119611.8U CN208750808U (en) 2018-07-16 2018-07-16 A kind of low pressure steam boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821119611.8U CN208750808U (en) 2018-07-16 2018-07-16 A kind of low pressure steam boiler

Publications (1)

Publication Number Publication Date
CN208750808U true CN208750808U (en) 2019-04-16

Family

ID=66057185

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821119611.8U Active CN208750808U (en) 2018-07-16 2018-07-16 A kind of low pressure steam boiler

Country Status (1)

Country Link
CN (1) CN208750808U (en)

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