CN206545925U

CN206545925U - Condense steam boiler

Info

Publication number: CN206545925U
Application number: CN201720199666.3U
Authority: CN
Inventors: 袁金国
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-03
Filing date: 2017-03-03
Publication date: 2017-10-10
Anticipated expiration: 2027-03-03

Abstract

Condense steam boiler, including boiler body, steam pressure tank and water charging system；Boiler body includes casing, and casing internal upper part is provided with the first condenser, and the delivery port of the first condenser and the water heating chamber of boiler body are connected；Steam pressure pot bottom is connected by circulating hot water pipe with the first condenser, and steam pressure tank top is connected by steam outlet pipe with hot water outlet；The top of the replenisher tank of water charging system is connected by first circulation cold water pipe with the top delivery port of the second condenser, and the bottom of replenisher tank is connected by second circulation cold water pipe with the lower water inlet of the second condenser；Replenisher tank middle and upper part is connected by filling pipe with the bottom of steam pressure tank, and small pump and check valve are provided with filling pipe.Boiler body, the first condenser, the second design of condenser are structure as a whole by the utility model, and small volume, floor space is small, and supplement water is preheated, and carry out circulating-heating to heating water, heat exchanger effectiveness is greatly improved, more energy-conserving and environment-protective.

Description

Condense steam boiler

Technical field

The utility model is related to a kind of heat-exchange apparatus, more particularly to a kind of condensation steam boiler.

Background technology

The exhaust gas temperature of boiler is generally 150~250 DEG C, directly emits high-temperature flue gas, can cause heat energy wave Take.Typically handled by smoke condensing waste heat recovering device, using the relatively low water of temperature or air cooled flue gas, realize flue gas temperature Degree reduction, water vapour is condensed in heat-transfer surface region, flue gas, while realizing obvious heat of smoke release and water recovery latent heat Release, and the water or air in heat exchanger are heated, and realize heat energy recycle, improve boiler thermal output.Existing steam boiler There is following technical problem：1st, it is general that waste heat of condensation retracting device is connected with boiler using split pattern, i.e., by waste heat of condensation Retracting device is arranged in boiler tail exit flue path, but such installation area is big, complicated, makes to be manufactured into This increase, while flue also easily increases the flow resistance of flue gas, increases radiation loss, utilization efficiency of heat energy is low；2nd, Xiang Zheng In atmospheric pressure tank during supplement cold water, because cold water temperature is relatively low, the steam luminous efficiency of steam pressure tank is reduced.

Utility model content

The utility model is mended to solve weak point of the prior art there is provided a kind of compact conformation, small volume, raising Steam luminous efficiency when filling cold water, it can fully improve the high condensation steam boiler of utilization efficiency of heat energy.

In order to solve the above technical problems, the utility model is adopted the following technical scheme that：Condense steam boiler, including boiler sheet Body, steam pressure tank and water charging system；Boiler body includes casing, outer cylinder body and inner barrel, and casing top is open, outer cylinder body and Inner barrel has same center line and the center line is arranged in vertical, and outer cylinder body is located at outside inner barrel, outer cylinder body and interior Cylinder top closure bottom is open, and the sealing plate provided with annular between outer cylinder body lower end and inner barrel lower end seals plate level Casing top is fixed on, the water heating chamber formed between outer cylinder body and inner barrel, outer cylinder body top offers hot water outlet, inner cylinder Body inner space is that the burner installing pipe with burner hearth insertion is provided with front side of burner hearth, outer cylinder body and inner barrel；

Casing internal upper part is provided with the first condenser below inner barrel lower ending opening, and casing right side central is provided with The cooling water inlet being connected with the first condenser, casing left upper portion is provided with the preheating water being connected with the first condenser top Titting water outlet, outer cylinder body left lower is provided with the preheating water admitting pipe joint connected with water heating chamber, and preheating water outlet pipe connects Connected between head and preheating water admitting pipe joint by bend pipe；Casing left side is provided with the waste gas below the first condenser Outlet；

The bottom of steam pressure tank is connected by circulating hot water pipe with cooling water inlet, and first is provided with circulating hot water pipe and is followed Ring water pump, the top of steam pressure tank is connected by steam outlet pipe with hot water outlet, and control valve is provided with steam outlet pipe；

Water charging system includes replenisher tank and the second condenser being arranged in casing, and the second condenser is located at the first condenser Lower section and above the waste gas outlet, the top of replenisher tank passes through first circulation cold water pipe and the top delivery port of the second condenser Connection, the bottom of replenisher tank is connected by second circulation cold water pipe with the lower water inlet of the second condenser, second circulation cold water Second circulation water pump is installed on pipe；Replenisher tank middle and upper part is connected by filling pipe with the bottom of steam pressure tank, on filling pipe Small pump and check valve are installed.

Bottom half is set in left low right high dip.

First condenser and the second condenser include the heat exchanger tube of reciprocal bending, and the outside of heat exchanger tube is provided with some pieces Heat exchanger plates, heat exchanger tube and heat exchanger plates are made by stainless steel material.

Steam pressure tank deck is provided with vapor outlet port, and steam pressure tank sidepiece is connected with level detection pipe, level detection pipe On be provided with liquid level gauge.

Using above-mentioned technical proposal, the operation principle and process of boiler body and steam pressure tank are：Burner is arranged on In burner installing pipe, the flame that burner sprays is heated in burner hearth to the water in water heating chamber, and high-temperature flue gas is by interior Cylinder lower end is discharged, and in the presence of first circulation water pump, the relatively low water of steam pressure pot bottom temperature is entered by circulating hot water pipe Enter into the first condenser, high-temperature flue gas will be preheated by the cold water in the first condenser, high-temperature flue gas and condenser The flue-gas temperature that heat exchanger tube and heat exchanger plates are carried out after heat exchange drops to the waste gas outlet discharge on the left of lower box after normal temperature； Preheated water titting water outlet, bend pipe and preheating water admitting pipe joint are entered in water heating chamber water after preheating successively again, water The flame heating that the burner being installed in water heating chamber in burner installing pipe sprays, high-temperature vapor goes out by steam The top that pipe is entered in steam pressure tank, high-temperature vapor is discharged by vapor outlet port, can be the enterprise such as heating, industry, bathing thing Industry unit provides heat energy.

With the output of steam, at this moment the water level decreasing in steam pressure tank is accomplished by supplementing water into steam pressure tank, Moisturizing process is：Because the water of replenisher tank memory storage is cold water, second circulation water pump is opened, second circulation water pump is by replenisher tank Cold water is pumped into the second condenser by second circulation cold water pipe, also has higher temperatures to the waste gas after the first condenser heat exchange Degree, the waste gas of higher temperature is preheated to the hot water in the second condenser, and the water after preheating is again through first circulation cold water pipe stream Enter into replenisher tank.Small pump is opened, the water after being preheated in replenisher tank is transported in steam pressure tank by small pump through filling pipe, For moisturizing in steam pressure tank.

First condenser, the second condenser and boiler body are set and are integrated by the utility model, compact conformation, volume It is small；The principle gathered upwards according to hot gas, condenser is arranged on below burner hearth, so can fully lift the heat friendship of high-temperature flue gas Change efficiency.The high-temp waste gas produced in burner hearth is followed successively by the first condenser from top to bottom and the second condenser is preheated, high temperature The heat of waste gas makes full use of, and improves efficiency of utilization.Because temperature drops after the cold water heat exchange in high-temp waste gas and condenser It is low to produce condensate, therefore, bottom half is set to left low right high structure, is so easy to discharge condensate.In addition, being Avoid the hot water in water heating chamber from carrying out heat exchange with outside air, heat-insulation layer can be set in outer cylinder body outer wall.At casing bottom Portion and/or sidepiece set support.The liquid level in steam pressure tank, the water in steam pressure tank can be monitored the moment by liquid level gauge When position reaches highest order, small pump can be closed for a period of time, the aqueous reflux avoided in steam pressure tank is played in the effect of check valve Into replenisher tank.When the water level in steam pressure tank falls on lowest order, start small pump.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Embodiment

As shown in figure 1, condensation steam boiler of the present utility model, including boiler body, steam pressure tank 1 and moisturizing system System；Boiler body includes casing 3, outer cylinder body 4 and inner barrel 5, and the open top of casing 3, outer cylinder body 4 and inner barrel 5 have same The center line and center line is arranged in vertical, outer cylinder body 4 is located at outside inner barrel 5, outer cylinder body 4 and the top of inner barrel 5 Bottom opening is blocked, the sealing plate 6 provided with annular between the lower end of outer cylinder body 4 and the lower end of inner barrel 5, sealing plate 6 is horizontally fixed on The top of casing 3, the water heating chamber 7 formed between outer cylinder body 4 and inner barrel 5, the top of outer cylinder body 4 offers hot water outlet 8, inner cylinder The inner space of body 5 is burner hearth 9, and the front side of outer cylinder body 4 and inner barrel 5 is provided with the burner installing pipe 10 with the insertion of burner hearth 9.

The internal upper part of casing 3 is provided with the first condenser 11 below the lower ending opening of inner barrel 5, the right side central of casing 3 Be provided with the cooling water inlet 12 being connected with the bottom of the first condenser 11, the left upper portion of casing 3 be provided with the first condenser 11 The preheating water titting water outlet 13 of portion's connection, the left lower of outer cylinder body 4 is provided with the preheating water water inlet pipe connected with water heating chamber 7 and connect First 14, connected between preheating water titting water outlet 13 and preheating water admitting pipe joint 14 by bend pipe 15；The left side of casing 3 is set There is the waste gas outlet 22 positioned at the lower section of the first condenser 11.

The bottom of steam pressure tank 1 is connected by circulating hot water pipe 16 with cooling water inlet 12, is installed on circulating hot water pipe 16 There is first circulation water pump 17, the top of steam pressure tank 1 is connected by steam outlet pipe 18 with hot water outlet 8, in steam outlet pipe 18 Control valve 19 is installed, control valve 19 is used to adjust steam output quantity.

Water charging system includes replenisher tank 20 and the second condenser 21 for being arranged in casing 3, and the second condenser 21 is located at the Below one condenser 11 and positioned at the top of waste gas outlet 22, the top of replenisher tank 20 is cold by first circulation cold water pipe 23 and second The top delivery port connection of condenser 21, the bottom that the bottom of replenisher tank 20 passes through the condenser 21 of second circulation cold water pipe 24 and second Water inlet is connected, and second circulation water pump 25 is provided with second circulation cold water pipe 24；The middle and upper part of replenisher tank 20 passes through filling pipe 26 It is connected with the bottom of steam pressure tank 1, small pump 27 and check valve 28 is installed on filling pipe 26.

The bottom of casing 3 is set in left low right high dip.

First condenser 11 and the second condenser 21 include the heat exchanger tube of reciprocal bending, if the outside of heat exchanger tube is provided with Dry block heat exchanger plates, heat exchanger tube and heat exchanger plates are made by stainless steel material.

The top of steam pressure tank 1 is provided with vapor outlet port 29, and the sidepiece of steam pressure tank 1 is connected with level detection pipe 30, liquid level Liquid level gauge 31 is provided with detection pipe 30.

The operation principle and process of boiler body and steam pressure tank 1 be：Burner is arranged in burner installing pipe 10, The flame that burner sprays is heated in burner hearth 9 to the water in water heating chamber 7, and high-temperature flue gas is discharged by the lower end of inner barrel 5, In the presence of first circulation water pump 17, the relatively low water of the bottom temp of steam pressure tank 1 enters first by circulating hot water pipe 16 In condenser 11, high-temperature flue gas will be preheated by the cold water in the first condenser 11, the heat exchange of high-temperature flue gas and condenser The flue-gas temperature that pipe and heat exchanger plates are carried out after heat exchange drops to after normal temperature is discharged by the waste gas outlet 22 of the lower left side of casing 3； Preheated water titting water outlet 13, bend pipe 15 and preheating water admitting pipe joint 14 enter water heating chamber to water after preheating successively again In 7, the flame heating that the burner that water is installed in water heating chamber 7 in burner installing pipe 10 sprays, high-temperature vapor The top entered by steam outlet pipe 18 in steam pressure tank 1, high-temperature vapor is discharged by vapor outlet port 29, can for heating, The enterprises and institutions such as industry, bathing provide heat energy.

With the output of steam, at this moment the water level decreasing in steam pressure tank 1 is accomplished by supplementing into steam pressure tank 1 Water, moisturizing process is：Because the water of the memory storage of replenisher tank 20 is cold water, second circulation water pump 25, second circulation water pump 25 are opened The inner cold water of replenisher tank 20 is pumped into the second condenser 21 by second circulation cold water pipe 24, after the heat exchange of the first condenser 11 Waste gas also there is higher temperature, the waste gas of higher temperature preheats to the hot water in the second condenser 21, the water after preheating It is flowed into again through first circulation cold water pipe 23 in replenisher tank 20.Small pump 27 is opened, after small pump 27 will be preheated in replenisher tank 20 Water be transported to through filling pipe 26 in steam pressure tank 1, be moisturizing in steam pressure tank 1.

First condenser 11, the second condenser 21 and boiler body are set and are integrated by the utility model, compact conformation, body Product is small；The principle gathered upwards according to hot gas, is arranged on the lower section of burner hearth 9 by condenser, so can fully lift high-temperature flue gas Heat exchanger effectiveness.The high-temp waste gas produced in burner hearth 9 is followed successively by the first condenser 11 from top to bottom and the second condenser 21 is carried out Preheating, the heat of high-temp waste gas makes full use of, and improves efficiency of utilization.Due to the cold water heat exchange in high-temp waste gas and condenser Temperature reduction afterwards can produce condensate, therefore, and the bottom of casing 3 is set into left low right high structure, is so easy to discharge to condense Water.In addition, in order to avoid the hot water in water heating chamber 7 and outside air carry out heat exchange, can set and be incubated in the outer wall of outer cylinder body 4 Layer.In the bottom of casing 3 and/or sidepiece, support is set.The liquid level in steam pressure tank 1 can be monitored the moment by liquid level gauge 31, when When water level in steam pressure tank 1 reaches highest order, a period of time of small pump 27 can be closed, the effect of check valve 28, which is played, to be avoided Aqueous reflux in steam pressure tank 1 is in replenisher tank 20.When the water level in steam pressure tank 1 falls on lowest order, start moisturizing Pump 27.

The present embodiment not makees any formal limitation, every foundation to shape of the present utility model, material, structure etc. Any simple modification, equivalent variations and modification that technical spirit of the present utility model is made to above example, belong to this reality With the protection domain of new technique scheme.

Claims

1. condense steam boiler, it is characterised in that：Including boiler body, steam pressure tank and water charging system；Boiler body includes Casing, outer cylinder body and inner barrel, casing top opening, outer cylinder body and inner barrel have same center line and the center line is along vertically Direction is set, and outer cylinder body is located at outside inner barrel, and outer cylinder body and inner barrel top closure bottom are open, outer cylinder body lower end and interior Sealing plate provided with annular between cylinder lower end, sealing plate is horizontally fixed on casing top, is formed between outer cylinder body and inner barrel Water heating chamber, hot water outlet is offered at the top of outer cylinder body, inner barrel inner space is the front side of burner hearth, outer cylinder body and inner barrel It is provided with the burner installing pipe with burner hearth insertion；

Casing internal upper part is provided with the first condenser below inner barrel lower ending opening, and casing right side central is provided with and the The cooling water inlet of one condenser connection, casing left upper portion is provided with the preheating water water outlet being connected with the first condenser top Pipe joint, outer cylinder body left lower is provided with the preheating water admitting pipe joint that connect with water heating chamber, preheating water titting water outlet with Connected between preheating water admitting pipe joint by bend pipe；The waste gas that casing left side is provided with below the first condenser goes out Mouthful；

The bottom of steam pressure tank is connected by circulating hot water pipe with cooling water inlet, and first circulation water is provided with circulating hot water pipe Pump, the top of steam pressure tank is connected by steam outlet pipe with hot water outlet, and control valve is provided with steam outlet pipe；

Water charging system includes replenisher tank and the second condenser being arranged in casing, and the second condenser is located at below the first condenser And above waste gas outlet, the top of replenisher tank is connected by the top delivery port of first circulation cold water pipe and the second condenser Connect, the bottom of replenisher tank is connected by second circulation cold water pipe with the lower water inlet of the second condenser, second circulation cold water pipe On second circulation water pump is installed；Replenisher tank middle and upper part is connected by filling pipe with the bottom of steam pressure tank, is pacified on filling pipe Equipped with small pump and check valve.

2. condensation steam boiler according to claim 1, it is characterised in that：Bottom half is set in left low right high dip.

3. condensation steam boiler according to claim 1 or 2, it is characterised in that：First condenser and the second condenser are equal Include the heat exchanger tube of reciprocal bending, the outside of heat exchanger tube is provided with some pieces of heat exchanger plates, and heat exchanger tube and heat exchanger plates are by stainless steel Material is made.

4. condensation steam boiler according to claim 1 or 2, it is characterised in that：Steam pressure tank deck is provided with steam and gone out Mouthful, steam pressure tank sidepiece is connected with level detection pipe, level detection pipe and is provided with liquid level gauge.