阅读说明：本技术 一种大型喷漆房全新风恒温恒湿装置 (Full fresh air constant temperature and humidity device of large-scale spray booth ) 是由 居学文 赵敏建 于 2021-09-23 设计创作，主要内容包括：本发明公开了一种大型喷漆房全新风恒温恒湿装置,包括设置在喷漆间外的全新风空调箱组件和空气源热泵水机组件,所述喷漆间内包括多个干式喷漆室,所述干式喷漆室侧面通过风管连接空调箱,所述空调箱内设置有进风机构、初中效过滤机构、冷盘管、再热盘管、加湿器和风机组成的功能段,所述喷漆间外布置有通过钢平台安装的与空调箱通过管道连接的热水缓冲水箱和冷水缓冲水箱,所述空气源热泵水机组件由设置在钢架内的风冷热泵标准机及风冷热泵三合一机组组成。本发明各结构功能责任更简单,运行管理更科学合理,该温湿度管理系统,是可随着环境温湿度变化而变化,并随着室内符合变化而变化,是一套优秀的系统。(The invention discloses a full fresh air constant temperature and humidity device of a large-scale paint spraying room, which comprises a full fresh air conditioning box assembly and an air source heat pump water machine assembly, wherein the full fresh air conditioning box assembly and the air source heat pump water machine assembly are arranged outside a paint spraying room, the paint spraying room comprises a plurality of dry paint spraying rooms, the side surfaces of the dry paint spraying rooms are connected with the air conditioning box through air pipes, functional sections consisting of an air inlet mechanism, a primary-medium-effect filtering mechanism, a cold coil, a reheating coil, a humidifier and a fan are arranged in the air conditioning box, a hot water buffer water tank and a cold water buffer water tank which are installed through steel platforms and connected with the air conditioning box through pipelines are arranged outside the paint spraying room, and the air source heat pump water machine assembly consists of an air cooling heat pump standard machine and an air cooling heat pump three-in-one machine set which are arranged in a steel frame. The temperature and humidity management system has simpler responsibility of each structure function and more scientific and reasonable operation management, can change along with the change of environment temperature and humidity and change along with the change of indoor conformity, and is an excellent system.)

1. The utility model provides a whole fresh air constant temperature and humidity device of large-scale spray booth, is including setting up whole fresh air conditioning box subassembly and the air source heat pump water machine subassembly outside the room that sprays paint, its characterized in that: including a plurality of dry-type paint spray booth (1) in the spray booth, air-conditioning box (11) is connected through tuber pipe (12) to dry-type paint spray booth (1) side, be provided with air inlet mechanism (16), just well effect filtering mechanism (17), cold coil pipe (18), reheat coil pipe (19), humidifier (2) and functional section (15) that fan (21) are constituteed in air-conditioning box (11), the spray booth is arranged outward through hot water buffer tank (22) and cold water buffer tank (23) of steel platform (24) installation with air-conditioning box (11) through the pipe connection, air source heat pump water machine subassembly comprises air-cooled heat pump standard machine (26) and steelframe three-in-one (27) of air-cooled heat pump unit that set up in air-cooled heat pump (28).

2. The fresh air constant temperature and humidity device of the large paint spray booth according to claim 1, wherein: an air outlet of the air pipe (12) is provided with an electric air valve (13), and the other end of the air pipe (12) is provided with a manual air valve (14).

3. The fresh air constant temperature and humidity device of the large paint spray booth according to claim 1, wherein: the side of the steel platform (24) is provided with a ladder stand (25), and the top of the steel platform (24) is two to three meters higher than the air-conditioning box (11).

4. The fresh air constant temperature and humidity device of the large paint spray booth according to claim 1, wherein: the fresh air conditioning box assembly comprises two air conditioning boxes (11) which are arranged side by side.

5. The fresh air constant temperature and humidity device of the large paint spray booth according to claim 1, wherein: the steel frame (28) is arranged on a cement platform (29).

6. The fresh air constant temperature and humidity device of the large paint spray booth according to claim 1, wherein: the paint spraying system is characterized by further comprising an electric cabinet (3) arranged outside the paint spraying room, wherein a filter (31) is arranged on the side face of the electric cabinet (3), and the filter (31) is arranged on a connecting pipeline with a hot water buffer water tank (22) and a cold water buffer water tank (23).

Technical Field

The invention relates to the technical field of constant-temperature and constant-humidity equipment, in particular to a full-fresh-air constant-temperature and constant-humidity device for a large-scale paint spray booth.

Background

Aiming at a paint spray booth system with strict humidity and temperature requirements, only an ultra-large dehumidifier can be adopted to provide a solution in the prior art. However, due to the special working requirements of the paint spray booth, the adoption of return air is strictly forbidden, which means that any dehumidifier can not stably control the indoor relative humidity and temperature without depending on the return air in the face of the huge change of the environmental humidity in all seasons of the year or even in the morning to evening of a single day. Therefore, a rigid device cannot solve the stable function required by a dynamic environment, so that a brand-new dynamic and locally highly applicable solution is determined to be invented for a user. No single product on the market can solve the constant temperature and humidity functions of a large space in a fresh air mode. Therefore, a full fresh air constant temperature and humidity device for a large-scale paint spray booth is provided.

Disclosure of Invention

The invention aims to provide a full fresh air constant temperature and humidity device for a large paint spray booth, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a whole new wind constant temperature and humidity device of large-scale spray booth, is including setting up whole new wind air conditioning box subassembly and the air source heat pump water machine subassembly outside the spray booth, including a plurality of dry-type spray booths in the spray booth, the air conditioning cabinet is connected through the tuber pipe to the dry-type spray booth side, be provided with the functional section that air inlet mechanism, just well effect filter mechanism, cold coil pipe, reheat coil pipe, humidifier and fan are constituteed in the air conditioning cabinet, spray booth is outer to be arranged through steel platform installation with the hot water buffer tank and the cold water buffer tank that the air conditioning cabinet passes through the pipe connection, the air source heat pump water machine subassembly comprises air-cooled heat pump standard machine and the trinity unit of air-cooled heat pump that sets up in the steelframe.

Preferably, the air outlet of the air pipe is provided with an electric air valve, and the other end of the air pipe is provided with a manual air valve.

Preferably, the side face of the steel platform is provided with a crawling ladder, and the top of the steel platform is two to three meters higher than the air conditioning box.

Preferably, the fresh air conditioning box assembly comprises two air conditioning boxes arranged side by side.

Preferably, the steel frame is mounted on a cement platform.

Preferably, the paint spraying system further comprises an electric cabinet arranged outside the paint spraying room, wherein a filter is arranged on the side face of the electric cabinet, and the filter is arranged on a connecting pipeline with the hot water buffer water tank and the cold water buffer water tank.

Compared with the prior art, the invention has the beneficial effects that: the fresh air constant-temperature and constant-humidity device for the large-scale paint spray booth is simple and reasonable in structural design, selects an air source heat pump cold and hot water unit to provide a cold source and a heat source of a system, combines an air source heat pump triple supply unit to obtain heat during refrigeration, and the heat is obtained by heat recovery in an energy-saving mode, and respectively enters two buffer water tanks to store ice water and hot water by preparing the frozen water and the hot water, wherein the ice water enters a cold coil of an air processor, and the hot water enters a reheating coil of the air processor, so that an adiabatic drying process after condensation saturation and dehumidification of a dehumidifier is realized, and the temperature and the humidity which meet requirements are obtained by drying, a scheme of separating an air conditioning box from the heat source is selected, the water coil of the air conditioning box can adjust the water inflow of fixed water temperature according to the temperature and humidity conditions, and the maintenance of the water temperature is directly determined by a host machine, which means that if the air amount which can be exerted is larger than the actual requirement, the system can be adjusted by correcting a fan of the air-conditioning box, the matching degree between the cooling capacity (or the heating capacity) and the requirement is reflected by the water temperature of the system, and if the water temperature cannot meet the load requirement, a host with more cooling and heating sources is required; if the water temperature easily meets the change, the main machine of the cold and heat source is larger than the requirement, the main machine can be unloaded to reduce the energy consumption for use, in order to further strengthen and ensure that the deviation between the design and the actual requirement and the huge humidity difference of the outside fresh air in the morning and evening in one day can be corrected, and from the long-term perspective, the middle buffer water tank is arranged at the cold and heat source, so that whether the cold and heat source is excessive or needs to be expanded can be realized only according to the maintenance degree of the water temperature in the middle buffer water tank.

Drawings

FIG. 1 is a schematic view of the structure of an air conditioning duct of a paint spray booth according to the present invention;

FIG. 2 is a sectional view of the structure of the air duct and the air conditioning case of the present invention;

FIG. 3 is a schematic plan view of the air conditioning apparatus of the painting booth of the present invention;

FIG. 4 is a schematic cross-sectional view of a steel frame construction of the present invention;

FIG. 5 is a schematic diagram of the circuit connection of the structures of the present invention.

In the figure: 1 dry-type paint spray booth, 11 air-conditioning cabinets, 12 tuber pipes, 13 electronic blast valves, 14 manual blast valves, 15 functional segments, 16 air inlet mechanisms, 17 just well effect filter mechanism, 18 cold coil pipe, 19 reheat coil pipe, 2 humidifiers, 21 fans, 22 hot water buffer tank, 23 cold water buffer tank, 24 steel platform, 25 cat ladder, 26 air-cooled heat pump standard machine, 27 three-in-one unit of air-cooled heat pump, 28 steelframe, 29 cement platform, 3 electric cabinets, 31 filters.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a whole fresh air constant temperature and humidity device of large-scale spray booth, including setting up whole fresh air conditioning box subassembly and the air source heat pump water machine subassembly outside the spray booth, including a plurality of dry-type spray booths 1 in the spray booth, air-conditioning box 11 is connected through tuber pipe 12 to 1 side of dry-type spray booth, the air outlet of tuber pipe 12 is provided with electronic blast gate 13, the tuber pipe 12 other end is provided with manual blast gate 14, based on cost consideration, electronic blast gate 13 of this scheme chooses the electronic three-way valve of on-off type for use, whole fresh air conditioning box subassembly includes two air-conditioning boxes 11 that set up side by side, be provided with air inlet mechanism 16 in the air-conditioning box 11, just, well effect filtering mechanism 17, cold coil 18, reheat coil 19, functional section 15 that humidifier 2 and fan 21 are constituteed, the parameter of single air-conditioning box 11 is as follows:

air volume: 27000m 3/h; external static pressure: 300 Pa;

and (3) filtering: primary effect G4+ intermediate effect F7;

refrigerating capacity: 312.4kw (cold and hot shared coil, summer inlet and outlet water: 7/12 deg.C);

heating quantity: 265kw (Cold-Hot shared coil, winter Water in and out: 45/40 ℃);

reheating: 58.3kw (used in summer, hot water recovered by the air cooling main machine, inlet and outlet water: 45/40 ℃);

and (3) humidifier 2: electrode type humidification (isothermal humidification), wherein the humidification quantity is 128kg/h, and the power is 90 kw;

the fan 21: the power of 11kw satisfies the air quantity and the external static pressure.

Summer treatment process of the air conditioning box:

fresh air enters from the air inlet mechanism (34.6 ℃, the relative humidity is 61.9 percent), is cooled by the cold coil (20.2 ℃, the relative humidity is 94.3 percent), and reaches (26.7 ℃, the relative humidity is 63.8 percent) after passing through the reheating coil 19 again;

winter treatment process of the air conditioning box:

fresh air enters the mechanism (-4 ℃, relative humidity 75%), passes through the hot coil pipe (23 ℃, 12.1%), and then passes through the humidifier to reach (23 ℃, 33%).

In summer, the temperature of water in the cold water tank is kept at about 7 ℃ through the refrigeration of a main machine of the air-conditioning box 11 and the work of a water pump of a primary cold water loop, the temperature of water in the hot water tank is kept at about 45 ℃ through the heat recovery during the refrigeration of the main machine and the work of a water pump of a primary hot water side, the water inlet of the cold coil 18 and the inlet of the reheating coil 19 are adjusted through the work of the water pump of a secondary cold water loop and the hot water loop according to an auxiliary probe of a temperature and humidity controller arranged in the dry type paint spraying chamber 1, the outside air is cooled and the absolute humidity is removed after passing through the cold coil 18 of the air-conditioning box 11, the relative humidity is increased, the temperature is increased to the indoor required temperature after passing through the reheating coil 19, and the relative humidity is reduced to the required value;

in winter, the cold water buffer tank 23, the cold water loop and the cold coil 18 all pass hot water, the reheating coil 19 and the hot water buffer tank 22 are stopped, the main machine of the air-conditioning box 11 heats and the cold water (hot water at this time) primary loop water pump works, the temperature of the water in the cold water buffer tank 23 (hot water is placed at this time) is kept at about 45 ℃, the water inlet of the cold coil 18 (hot water at this time) is adjusted through the work of the cold water (hot water at this time) secondary side water pump according to a probe of a temperature and humidity controller arranged in the dry paint spray booth, the outside air passes through the cold coil 18 and the reheating coil 19 of the air-conditioning box 11 in winter to be heated and the relative humidity is increased, the indoor required temperature is increased, and the electric humidifier 2 is started to properly increase the humidity if necessary.

According to the requirement, the working condition of the paint spray booth needs to meet the lower limit of not less than 40% besides the upper limit of the relative humidity of 70%, the lower limit of the relative humidity mainly occurs under the weather condition in winter, and a humidifier 2 is additionally arranged for the working condition, so that the air supply quantity and the air supply temperature can be properly reduced in the actual use by aiming at the condition that the relative humidity parameter of the indoor air supply is closely related to the humidifying capacity, the actual air supply quantity, the outdoor air parameter and the like based on the actual objective requirement, and the energy saving performance in the use is improved and the requirement of the relative humidity is ensured.

The outer hot water buffer tank 22 and the cold water buffer tank 23 that pass through the pipe connection with air-conditioning box 11 that are arranged through 24 installation of steel platform, 24 sides of steel platform are provided with cat ladder 25, and 24 tops of steel platform are higher than 11 two to three meters of air-conditioning box, cold water buffer tank 23: taking one 5 ton container with heat preservation and hot water buffer tank 22: get one 1.5 tons, the area keeps warm, can directly select open water tank, air source heat pump water machine subassembly comprises air-cooled heat pump standard machine 26 and the trinity unit 27 of air-cooled heat pump that sets up in steelframe 28, steelframe 28 is installed on cement platform 29, still including setting up electric cabinet 3 outside the room that sprays paint, electric cabinet 3 connected power for the switching of each electrical component in the controlling means, electric cabinet 3 side is provided with filter 31, filter 31 sets up on the connecting tube with hot water buffer water tank 22 and cold water buffer water tank 23, filter 31 can carry out effective filtration to the water source, avoid the impurity in the water source to block the pipeline.

The air-cooled heat pump cold and hot water units are selected as heat sources, and the individual units are selected as units with the full heat recovery function, so that hot water can be provided when the units prepare chilled water, and the hot water is used by the reheating coil 19 in summer. And obtaining a cold and heat source scheme needing to be selected according to the type selection analysis of the air conditioning box, and temporarily according to the load data of the scheme A of the air conditioning box when determining the cold and heat source scheme.

The load requirements are as follows:

total refrigerating capacity: 624.8kw (312.4 kw/stand)

Total heat production: 530kw (265 kw/table)

Total reheat: 116.6kw (58.3 kw/stand)

When the air-cooled heat pump host is selected: eight total heat recovery air-cooled module heat pumps EKAC230BRSR + air-cooled module heat pumps EKAC230BR,

wherein: individual EKAC230BRSR (total heat recovery machine) parameters:

refrigerating capacity is 67.5kw (outdoor 35 ℃);

the heating capacity is 74kw (outdoor 7 ℃), and the heating capacity is 55.6kw (outdoor-5 ℃);

the heat recovery amount is 85kw (hot water outlet temperature is 45 ℃);

individual EKAC230BR parameters (standard machine):

refrigerating capacity 68kw (outdoor 35 ℃);

the heating capacity is 72kw (outdoor 7 ℃), and the heating capacity is 55.6kw (outdoor-5 ℃);

after verification:

the total refrigerating capacity is 67.5 multiplied by 2+68 multiplied by 8, 679kw is more than 624.8kw, which meets the refrigerating requirement;

the total heating quantity is 55.6 multiplied by 2+55.6 multiplied by 8, 556kw is more than 530kw, and the heating requirement is met (the working condition of-5 ℃ outdoors is adopted);

the total heat recovery amount is 85 multiplied by 2 which is 170kw more than 116.6kw, and the reheating requirement is satisfied.

And (4) conclusion: the above selection meets the requirements of set conditions.

For the water pump, the primary pump of cold and hot side all can be unloaded or stop according to host computer quantity, and the secondary pump: for the hot water side of the reheat coil 19, this is normally on after the lowest load is unloaded to one, since the pump is small; the secondary pump on the side of the cooling coil 18 is large, frequency conversion can be considered, investment is increased, and a frequency conversion control point is difficult to determine, so that in order to simplify the system, the frequency conversion pump is not selected and is kept in a normally open state (or is stopped within a humidity bandwidth range) after being unloaded to one pump in operation.

Primary side water pump model selection:

cold water primary side water pump:

water flow on single machine load side of host: 11.7m3/h10 machines with a total of 117m3/h primary side cold water (hot water) pumps 60m3/h3 machines 2 and 1 machine; the group of water pumps work along with the main machine, and stop running after the temperature of the cold water tank reaches a set value (the control can be carried out by grouping the main machine)

Hot water primary side water pump:

single machine heat recovery side water flow: 14.1m3/h2 machines with the total number of 28.2m3/h select the primary side hot water pump 15m3/h3 machine 2 with 1 spare; the group of water pumps work along with the main machine, and stop running after the temperature of the hot water tank reaches a set value (the control can be carried out by grouping the main machine)

Secondary side water pump model selection:

a cold water secondary side water pump: air-conditioning box single machine cold coil water flow: 14.88L/S is converted into-53.57 m3/h, 2 air-conditioning boxes count 107m3/h, and 55m3/h3 secondary side cold water (hot water) pumps are used for 1; when the cold water coil of the air-conditioning box is bypassed, the group of water pumps are unloaded and work on a single machine;

a hot water secondary side water pump:

air-conditioning box single machine cold coil water flow: 2.78L/S is converted into-10 m3/h, and 2 air-conditioning boxes are used for 1 in total of 20m3/h secondary side-selection hot water pumps 11m3/h 3; when the reheating coil of the air-conditioning box is bypassed, one water pump is removed from the group of water pumps, and the single water pump works; because the system resistance is small, the water pump temporarily takes 15m of lift.

Note: in the actual model selection, a standby pump on the cold water 1/2 side is shared; the backup pump on the hot water 1/2 side is shared.

The fresh air constant temperature and humidity device for the large paint spray booth selects an air source heat pump cold and hot water unit to provide a cold source and a heat source of a system, combines an air source heat pump triple co-generation unit, obtains heat while refrigerating, and the heat is obtained by heat recovery in an energy-saving mode, and respectively enters two buffer water tanks, namely a hot water buffer water tank 22 and a cold water buffer water tank 23, to store ice water and hot water, wherein the ice water enters a cold coil 18 of an air processor in an air conditioner box 11 through a pipeline, the hot water enters a reheating coil 19 of the air processor, in summer, outside air is cooled, absolute humidity is removed, relative humidity is increased after passing through the cold coil 18 of the air conditioner box 11, the temperature is increased to indoor required temperature after passing through the reheating coil 19, and the relative humidity is reduced to a required value; in winter, the outside air is heated and the relative humidity is increased after passing through a coil pipe of the air conditioning box, the temperature is increased to the indoor required temperature, and the electric heating humidifier 2 is started to properly increase the humidity when necessary, so that the adiabatic drying process after the condensation saturation and humidity removal of the dehumidifier is realized, and the dried temperature and humidity which meet the requirements are obtained;

according to the invention, a scheme that the air-conditioning box 11 is separated from a heat source is selected, the cold coil 18 of the air-conditioning box 11 can adjust the water inflow of fixed water temperature according to the temperature and humidity conditions, and the maintenance of the water temperature is directly determined by the host of the air-conditioning box 11, which means that if the air quantity capable of outputting power is larger than the actual requirement, the adjustment can be carried out by correcting the fan 21 of the air-conditioning box 11, the water temperature of the system represents the matching degree between the cold quantity (or the heat supply capacity) and the requirement, and if the water temperature cannot meet the load requirement, the host of more cold and heat sources is needed; if the water temperature easily meets the change, the main machine of the cold and heat source is larger than the requirement, the main machine can be unloaded to reduce the energy consumption for use, in order to further strengthen and ensure that the deviation between the design and the actual requirement and the huge humidity difference of the outside fresh air in the morning and evening in one day can be corrected, and from the long-term perspective, the middle buffer water tank is arranged at the cold and heat source, so that whether the cold and heat source is excessive or needs to be expanded can be realized only according to the maintenance degree of the water temperature in the middle buffer water tank.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.